Valtek Logix 1400 Digital Positioner - Flowservewater.flowserve.com/files/Files/Literature/Products/Flowcontrol/... · to valve parts, users must strictly ... Available Spare Parts

Valtek Part No. 164713 46-1

WARNING: Standard industry safety practices mustbe adhered to when working on this or any otherprocess control product. Specifically, personalprotective and lifting devices must be used aswarranted.

Unpacking1. While unpacking the Logix 1400 positioner, check

the packing list against the materials received. Listsdescribing the system and accessories are includedin each shipping container.

2. When lifting the system from the shipping container,position lifting straps in a way that avoids damagingmounted accessories. Systems with valves up tosix inches may be lifted by actuator lifting ring. Onlarger systems, lift unit using lifting straps or hooksthrough the yoke legs and outer end of body.

WARNING: When lifting a valve/actuator assem-bly with lifting straps, be aware the center ofgravity may be above the lifting point. Therefore,support must be given to prevent the valve/actuator from rotating. Failure to do so can causeserious injury to personnel or damage to nearbyequipment.

3. In the event of shipping damage, contact the shipperimmediately.

4. Should any problem arise, contact a Flowserverepresentative.

GENERAL INFORMATIONThe following instructions are designed to assist inunpacking, installing and performing maintenance asrequired on Valtek® Logix™ 1400 digital positioners.Series 1000 is the term used for all the positioners herein;however, specific numbers indicate features specific toa model (i.e. Logix 1400 digital positioner indicates thatthe positioner uses FOUNDATION™ fieldbus protocol). Prod-uct users and maintenance personnel should thoroughlyreview this bulletin prior to installing, operating, or per-forming any maintenance on the valve.

More detailed operation instructions are included in othermanuals in the owner’s manual binder; refer to themwhen more information is needed.

Separate Flowserve Installation, Operation, Maintenanceinstructions cover the valve (IOM 1 or IOM 27) andactuator (IOM 2 or IOM 31) portions of the system andother accessories. Refer to Logix 1400 Digital PositionerInstallation & Reference Guide for details on fieldbusimplementation. Refer to the appropriate instructionswhen this information is needed.

To avoid possible injury to personnel or damageto valve parts, users must strictly adhere toWARNING and CAUTION notes. Modifying thisproduct, substituting non-factory or inferior parts,or using maintenance procedures other thanoutlined could drastically affect performance orbe hazardous to personnel and equipment andmay void existing warranties.

Digital PositionerValtek Logix 1400

46-2 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611

General Information .................................................... 1Unpacking .................................................................. 1

Logix 1400 Digital Positioner Overview ...................... 2Specifications ............................................................. 3Positioner Operation ................................................... 3Tubing Positioner to Actuator ..................................... 4

Wiring and Grounding Guidelines ................................ 4Driver Module Assembly ............................................. 5Spool Valve Cover ...................................................... 6

Regulator .................................................................... 7Internal Coalescing Filter ............................................ 7Main PCB Assembly .................................................. 7

Collector Board ........................................................... 7Field Terminations ...................................................... 8Stem Position Sensor................................................. 8LED Indicators ............................................................ 9

Re-Cal Button ............................................................. 9Checking or Setting Internal Regulator Pressure ...... 10Checking or Setting the Driver Module Minimum Pressure ............................................... 10

Linear Mark I Valve Mounting ................................... 11Standard Rotary Mounting Procedure ....................... 12Optional Rotary Mounting Procedure ........................ 13

Troubleshooting the Logix 1400 Digital Positioner .... 13 Theory of Operation.............................................. 13Mounting and Installation ......................................... 15Calibration ................................................................ 16

Control and Tuning ................................................... 16Alarms ...................................................................... 18Alerts ........................................................................ 19Travel Accumulator .................................................. 20

Cycle Counter ........................................................... 20Position Deviation..................................................... 20Advanced Features .................................................. 20

Glossary and Definitions ........................................... 23Transducer Block Signature Parameters .................. 24Exploded View of Positioner ..................................... 27

Available Spare Parts Kits ....................................... 28Troubleshooting Tables ............................................ 29Positioner Mounting Kits ........................................... 32

Table of Contents

Logix 1400 Digital Positioner OverviewThe Logix 1400 digital positioner is a two-wire, FOUNDATION

fieldbus compliant, digital valve positioner. The Logix1400 digital positioner also utilizes the fieldbus protocolto allow two-way remote communications with the posi-tioner. The Logix 1400 digital positioner can control bothdouble- and single-acting actuators with linear and rotarymountings.

Since the positioner is insensitive to supply pressurechanges and can handle supply pressures from 35 to 150psig, a supply regulator is usually not required; however,an air filter is required due to the close clearances in thespool assembly.

NOTE: The air supply should conform to ISA StandardS7.3 (a dew point at least 18° Fahrenheit less thanambient temperature, particle size below one micron, andoil content not to exceed one part per million).

Logix 1400 Digital Positioner

46-3Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611

Specifications

Electrical Specifications

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NI Configurator Software Specifications

Positioner Specifications

Physical Specifications

Hazardous Area Certifications

CE Mark Qualifications

Positioner OperationThe Logix 1400 positioner is an electric feedback instru-ment. Figure 1 shows a Logix 1400 positioner installed ona double-acting actuator for air-to-open action. Position-ing is based on a balance of two signals: one proportionalto the command input signal and the other proportional tothe valve stem position.

The supply pressure for the positioner pressure modula-tor is tapped off the main supply and is filtered as itpasses through a field-replaceable, coalescing filterelement in the module. This air passes through aninternal pressure regulator that regulates it to approxi-mately 22 psig. The air then passes through an orificethat restricts the flow and air consumption.

The pressure modulator further controls the air from 6-12psig, using a spring-diaphragm flapper that is attractedby an electromagnet to a nozzle. A temperature compen-

sated hall effect sensor mounted on a circuit boardsenses the spool valve position. The hall effect sensorand circuitry create an inner feedback loop, which deter-mines how much current to send to the electromagnet fora desired spool valve position. The electromagnet in thefeedback loop varies the nozzle-flapper spacing, whichregulates the output pressure between 6 and 12 psig,proportional to the digital positioning algorithm.When the command and stem position signals are equal,the system will be in equilibrium and the valve stem willbe in the position called for by the command signal. Ifthese opposing signals are not equal, the spool valve willmove up (or down) and, by means of the pressuremodulator, change the output pressures and flow rate.This will cause the actuator piston to move until thesignal of the position sensor equalizes with thecommand signal.


Figure 1: Logix 1000 Digital Positioner Schematic

Detailed Sequence of Positioner OperationsThe positioner operates on a pressure equilibrium prin-ciple with a spool valve apportioning supply to theactuator. An increase in the command signal causes themodulator pressure to increase, pushing the spool as-sembly upward from its equilibrium position. This opensthe spool valve ports, supplying air to output 1 andexhausting air from output 2. This causes the actuatorpiston to move upward.

The upward motion of the piston is transmitted back tothe positioner through the stem-position feedback link-age. The piston continues to stroke upward until thestem-position signal of the sensor increases sufficientlyto counter the command signal being sent to the controlalgorithm. At this point, the spool is at its equilibriumposition as the pressures in the cylinder stabilize and theair flow to the actuator decreases. The computer will thenmake small adjustments to fine-tune the desired positionand compensate for changes in dynamic loading.

A decrease in the command signal reverses thedescribed actions, causing a proportional downwardmovement of the actuator piston and stem.

Tubing Positioner to ActuatorProper tubing orientation is critical for the positioner tofunction correctly and have the proper failure mode.Referring to Figure 1 note that for air-to-open valves, theoutput 1 port of the positioner manifold is tubed to thebottom side of the actuator. The output 2 port of the

OO

Hall Effect Sensor

Electromagnetic Coil

Nozzle Flapper

Digital Position Algorithm

Spool Valve

Flame Arrestors

Collector BoardPressure Sensor

Air Supply

LEDDis-play

Orifice

ExhaustOUTPUT 1

OUTPUT 2

Exhaust

FlameArrestor

Stem Position Sensor

Air-to-OpenConfiguration

Main PCB Tray

Ribbon Cable

Flame Arrestor

Filter

Regulator

positioner manifold is tubed to the top side of theactuator. For air-to-close valves the above configurationis reversed.

Wiring and Grounding Guidelines

Input Cable Shielding (Figure 2)

The fieldbus signal to the Logix 1400 digital positionershould be in shielded cable. Shields must be tied to aground at only one end of the cable to provide a place forenvironmental electrical noise to be removed from thecable. In general, shield wire should be connected at thesource.

Cable RequirementsThe Logix 1400 digital positioner utilizes the fieldbuscommunication protocol. Refer to Fieldbus Foundationdocument AG-140, Wiring and Installation 31.25 kbit/s,Voltage Mode, Wire Medium Application Guide for fullinformation on wiring and building fieldbus networks.

Grounding ScrewThe green grounding screw, located inside the termina-tion cap, should be used to provide the unit with anadequate and reliable earth ground reference.

This ground should be tied to the same ground as theelectrical conduit. Additionally, the electrical conduitshould be earth grounded at both ends of its run. Thegreen grounding screw must not be used to terminatesignal shield wires.


Field Terminations

FB ConnectionTerminals

Housing EARTHTerminal

ShieldedCable

Figure 2: Field Termination

Driver Module AssemblyThe driver module assembly moves the spool valve bymeans of differential pressures on its diaphragm. Air isrouted to the module from the interface plate through ahose that connects to the assembly through a hose barbwith an integral orifice. Wires from the module connectthe hall effect sensor and the pressure modulator coil tothe collector board.

Driver Module Assembly ReplacementTo replace the driver module assembly, refer to Figures3 - 5, 7 and 19 then proceed as outlined below. Thefollowing tools are required:

1/4-inch open-end wrench1/2-inch hex wrenchPhillips screwdriver

Driver Module removal tool

1. Make sure valve is bypassed or in a safe condition.

2. Disconnect the power and air supply to the unit.

3. Remove the driver module cover, using a 1/2-inch hexwrench (Figure 4). Do not force the cover. If undueresistance is encountered, use the slots to loosencover.

4. Remove the spool valve cover by removing thescrew and sliding the cover assembly backwardsuntil the tab is clear of the slot. It is not necessaryto remove the sheet metal cap from this assembly(Figure 7).

5. Being careful not to lose the nylon washers, removethe two phillips-head screws that attach the drivermodule to the main housing (Figure 5).

6. Remove the spool valve block by removing the twophillips-head screws and carefully sliding the blockoff the spool (Figure 5).

Ground

Fieldbusconnection

CAUTION: The spool (extending from the driverassembly) is easily damaged. Use extreme cau-tion when handling driver assembly.

7. Remove the tubing from the orifice in the drivermodule assembly. Using a 1/4-inch open-end wrench,remove the orifice from the driver module (Figure 4).

8. Remove the two wiring connections that link thedriver module assembly to the collector board.(Figure 4).

9. Feed the wires back through the housing so theyextend backward toward the driver module opening.This will allow the driver module to thread out withouttangling the wires.

10. Grasp the driver module cap with the driver moduleremoval tool and rotate the entire driver modulecounter clockwise to remove. After it is threaded out,carefully retract the driver module from the housingto avoid damaging the spool.

11. Take the new driver module and verify that the O-ringand boot are in place. Lay the wires back along themodulators as shown in Figure 3 and hold in place.

12. Gently direct the driver module into the housing bore,making sure the spool does not hit the housing. Turndriver module clockwise to thread it into the housing.Continue rotating the module until it bottoms out.

13. Once the threads are fully engaged, rotate the drivermodule counter clockwise until the flat on the drivermodule and the flat on the housing are aligned. Thiswill align the screw holes for the next step (Figure 3).

14. Verify that nylon gaskets are in the counter bores inthe driver module retaining screw holes as shown inFigure 5.

15. Insert two driver-to-housing screws into the driverhousing through the counter-bored holes in thepositioner main housing. Tighten evenly with a phillipsscrewdriver.

Figure 3: Driver Module Assembly

Collector Board

Pressure ModulatorConnection

Hall SensorConnection

Flat in Housing

ProtectiveBoot

O-ring

Minimum Pressure Set Screw (factory calibrated)

Driver Module Assembly

Install orifice after drivermodule is in housing

Orient this flat parallelto flat in housing


16. Feed the driver module wires into the main chamberof the housing and connect them to collector board.

17. Verify that the three O-rings are in the counter-boreson the machined platform where the spool valveblock is to be placed (Figure 19)

18. Carefully slide the block over the spool, using themachined surface of the housing base as a register(Figure 5). Slide the block toward the driver moduleuntil the two retaining holes line up with the threadedholes in the base.

19. Install two spool-valve screws and tighten securelywith a phillips screwdriver.

20. Insert the orifice into the threaded hole in the drivermodule assembly. Tighten with a 1/4-inch open-endwrench (Figure 4). Attach the flexible tubing from theinterface plate to this fitting.

21. Set the minimum pressure as described on page 10.22. Thread driver module cover into driver module bore

in the main housing.

Spool Valve CoverThe spool valve cover incorporates a coalescing filterelement in a two-piece cover. This protects the spoolvalve chamber from moisture and provides a low backpressure vent for exhaust air from the spool valve.

Replacing Filter in Spool Valve Cover1. Make sure valve is bypassed or in a safe condition.

2. Disconnect the power and air supply to the unit.3. Remove the spool cover by removing the screw and

sliding the cover assembly backward until the tab isclear of the slot. The sheet metal cover may beremoved and cleaned with a brush or by blowing outwith compressed air (Figure 7).

4. Remove the O-ring from around hydrophobic filterelement and set aside (Figure 6).

5. Remove the molded filter element by pulling itstraight out of chamber cover vent piece.

6. Install O-ring into base of chamber cover vent pieceas shown in Figure 6.

7. Place new molded filter element into the chambercover vent piece. This element provides part of thetrack to secure the O-ring installed in the last step.

8. Place spool valve shroud onto spool valve cover.

9. Place the spool valve cover assembly in place bysetting it on the ramp and sliding it until the tab seatsin the slot (Figure 7) and secure with No. 8-32 screw.

Figure 4: Driver Module Orifice

Orifice

DriverModuleCover

Figure 5: Spool and Block

Housing

Nylon Gaskets

Driver toHousing Screws

Spool

SpoolValveScrews

SpoolValveBlock

Figure 6: Spool Valve Cover Assembly

O-ring

HydrophobicFilter

SpoolValveCover

SpoolValveShroud


6. Insert new coalescing filter into the bore on interfaceplate.

7. Verify that the O-ring is in place in filter housing.

8. Set filter housing over coalescing filter and securewith four No. 6-32 screws.

9. Replace collector board and reconnect wiring.

Main PCB Assembly

The main PCB assembly contains the circuit boards andprocessor that perform the control functions of thepositioner. The boards are conformal-coated with aprotective silicon coating. This module can be easilyreplaced if positioner upgrades are desired. None of thecomponents are user-serviceable. This module is to bereplaced as an entire unit.

Replacing Main PCB Assembly (Figure 8)



3. Remove the main cover and disconnect the ribboncable from the collector board.

CAUTION: To avoid damaging any components,exercise caution by gently raising the locking tabto release the ribbon cable.

4. Remove the PCB assembly by removing the threeNo. 6-32 screws and lifting out of housing.

5. Place the new PCB assembly on bosses inside thepositioner housing.

6. Insert three No. 6-32 screws through the boards, withthe nylon washers on the bottom into the threadedbosses and tighten evenly, using a phillips screw-driver. Do not overtighten.

7. Reconnect the ribbon cable to the collector board.

RegulatorThe regulator reduces the pressure of the incomingsupply air to a level that the driver module can use.

Replacing Regulator



3. Remove the main cover and unscrew the regulatorfrom the interface plate, exercising caution not todamage the collector board (Figure 19).

4. Verify that the O-rings are in place on the base of thenew regulator

5. Replace the regulator by threading into the port onthe interface plate.

6. Check regulating pressure to ensure that it is set at22 psi.

Internal Coalescing Filter

The internal coalescing filter ensures that supply air isclean and dry before it gets to the regulator. Because theair has already been filtered before this point, the elementshould not require extended maintenance.

Replacing Input Filter Element (Figure 19)



3. Remove the main cover and remove collector boardby disconnecting the wiring and removing threescrews that attach it to the housing. Each cable hasits own unique connector to prevent improperconnections.

4. Remove the four No. 6-32 hex screws from the filterhousing and remove filter housing.

5. Remove the old coalescing filter from the bore in theinterface plate.

Figure 7: Spool Valve Cover Assembly

Spool ValveCover

Screw

Figure 8: Main PCB Assembly

Ribbon Cable

Main PCB Assembly

Screws (3)


Collector BoardThe collector board assembly provides a central routingfor all electronic connections in the positioner, linking thepressure modulator coil, hall effect sensor and fieldinputs to the main electronics. The collector boardassembly also serves as a mounting for the pressuresensors used on the advanced model of the positioner.

Removing Collector Board (Figure 19)



3. Remove the main cover and disconnect the wiring tothe collector board. Each cable has its own uniqueconnector to prevent mistakes in reconnecting.

4. Remove the three No. 8-32 screws holding thecollector board to the housing.

5. Remove the collector board.

Replacing/Upgrading Collector Board1. For the advanced collector board (Logix 1x1x),

check that pressures sensors are in place on backof collector board. For the standard model (Logix1x0x), make sure the adapter block is securelyfastened to the collector board.

2. Make sure the O-rings are in place in the counterboresof the pressure ports.

3. Set collector board assembly in place.

4. Insert three No. 8-32 screws through collector boardsinto the threaded holes on sensor shelf and standoff.

5. Tighten all three screws.

6. Connect the main ribbon from electronics tray.

7. Reconnect wiring to the collector board.

Field TerminationsThe field terminations board provides a connection pointinside the explosion-proof housing for all hookups to thepositioner. While the board is not likely to experience afailure, it can easily be replaced to upgrade the positioner.

Replacing Field Terminations Board(Figure 19)

1. Make sure valve is bypassed or in a safe condition.2. Disconnect the power and air supply to the unit.

3. Remove the main cover and disconnect the fieldtermination cable from collector board.

4. Remove the field terminations cover and the threeNo. 8-32 screws.

5. Remove field terminations board, carefully pullingwiring through bore.

6. Verify that the O-ring is in place in the counter borein the positioner housing.

7. Feed wiring through passageway into main chamberof housing.

8. Set the circuit board in place and secure with threeNo. 8-32 screws.

9. Connect field termination cable to collector board.

Stem Position SensorThe position feedback assembly transmits valve posi-tion information to the processor by means of a rotaryposition sensor that connects to the valve stem througha feedback linkage. The follower arm is biased againstone side of the slot with a rotary spring to provideaccurate tracking of the pin in the slot. This spring alsoautomatically moves the position feedback assembly toits limit in the unlikely event of failure of any componentin the linkage.

Stem Position Sensor Replacement(Figure 9)

1. Make sure valve is bypassed or in a safe condition.2. Disconnect the power and air supply to the unit.

3. Remove the main cover and disconnect rotary posi-tion sensor wires from collector board.

4. Remove the two screws from the rotary positionsensor, taking care not to lose the washers, andremove the sensor from the housing.

5. Turn position sensor shaft until the dot on the slot isaligned with the wires on the pot (Figure 9).

6. Insert the position sensor into the shaft with thewires pointing toward the main PCB assembly. Turnposition sensor clockwise until the bolting slots alignwith the housing screw holes and the wires on thesensor protrude over the main PCB assembly tray.

7. Carefully center the position sensor on the shaftbore, insert and tighten the screws. Do not overtighten.

8. Route wires along the position sensor and reconnectto collector board.

Stem Position Sensor

Housing

Sensor Cable

Feedback Shaft

Figure 9:Stem Position Sensor Orientation

Rotate Stem PositionSensorslowly

Bearing

Stem Position Sensor Dot


LED IndicatorsThe Logix 1400 digital positioner has three LED indica-tors that are visible through a window in the main cover.Only one LED will blink at any given time. Each LED hasa different color to convey basic information about thepositioner status. Green indicates that the positioner isoperating normally. Yellow indicates that a ‘customerdefined limit’ or ‘alert’ has been reached. Red indicatesthat an error condition exists. A fieldbus configuratormust be used to determine the specific reason for ayellow or red LED status.During stroke and actuator calibration, no LED will blink.After calibration is complete, the green LED indicatesthat the calibration was completed successfully. If theyellow or red LED blinks after a calibration process, awarning or error was detected and the configurator mustbe used to identify the specific calibration error.

NOTE: If the LED indicator changes from green to yellowafter a calibration process, the user may have set awarning limit (position alert, cycle counter alert, etc.).Use a fieldbus configurator to monitor status.

Re-Cal ButtonIf the fieldbus configurator is not available, Logix 1400digital positioner has a Re-Cal feature that performs astroke calibration and allows basic operation of the positioner.

NOTE:The Re-Cal operation retains all previously config-ured information. All settings remain unchanged exceptstroke calibration parameters. If the device is beinginstalled for the first time, factory default parameters areused. The FB Configurator must be used the first time toconfigure the Logix 1400 digital positioner. The trans-ducer block must be out of service for Re-cal to work.

The Re-Cal button is located on the collector board insidethe main housing chamber as shown in Figure 10.

Warning: Accessing this function requires removalof the main cover. The user must take all necessaryprecautions if this operation is performed in explo-sion-proof areas.

Make the appropriate configuration settings, using FBConfigurator and CONTROL_FLAGS variable. ATO/ATCselects air-to-open or air-to-close (this is determined bythe mechanical tubing of the actuator). The ActuatorStyle check box allows the user to select linear or rotaryfeedback linkage. If Custom is selected, the positioneractivates custom characterization.Press Re-Cal button and hold for five seconds. If the buttonis released before five seconds have elapsed, no actionwill be taken. After five seconds, the positioner will begina stroke calibration. Release the Re-Cal button oncecalibration has started. The positioner will automaticallystroke the valve. No LED will blink during this process.

Upon completion of calibration:• A blinking green LED indicates the valve is in control

mode and calibration was successful.• A blinking yellow LED immediately after a stroke

calibration usually indicates that the valve did notstroke. Check the air supply and cable connections.

• The red LED will blink if a calibration error occurred.The cause of a red LED is generally a stem positionlinkage/feedback sensor alignment problem. Forlinear linkage, the active electrical feedback angle is65 degrees. For rotary linkage, the active electricalfeedback angle is 95 degrees. The red LED indicatesthat the mechanical travel is not centered within theelectrical sensor travel. If a red LED is blinking aftera stroke calibration, loosen the feedback sensormounting screws as shown in Figure 9. Turn the stemposition sensor slowly while watching the LED indica-tors. Try small movements, both clockwise and counter-clockwise. If the yellow LED begins to blink, thefeedback sensor has been correctly moved into range.Tighten the feedback sensor mounting screws andrepeat the Re-Cal procedure. If the LED remains redeven after moving the full length of the sensor slot,verify the following items: Rotary check box settingunder the CONTROL_FLAGS parameter ‘ActuatorStyle’ (checked is rotary, unchecked is linear), stemclamp and take-off arm height.

NOTE: If the stroke stops in the closed position, the erroroccurred when the position sensor/linkage was at closedposition. If the stroke stops in the open position, the erroroccurred when position sensor/linkage was at the openposition. No calibration parameters are saved if an erroroccurs. If the power to the positioner is removed, the unitwill power-up with the previous configuration parameters.A successful calibration will save parameters.If the valve does not stroke after pressing the Re-Calbutton, this may be an indication that the internal regu-lator pressure and/or the driver module minimum pres-sure is low. Refer to the following instructions to checkand set the internal regulator and minimum pressuresettings.Note that the tools and equipment used in the next twoprocedures are from indicated vendors.Figure 10: Re-Cal Button

Re-Cal Button

NOTE: DIP switches notused on Logix 1400positioner


4. Obtain a No. 10-32 x swivel elbow (Pneumadyne partNo. SFL-10 or equivalent).

5. Remove No. 10-32 x .016 orifice (Figure 4) from thedriver module, and screw in No. 10-32 x swivel elbow.

6. Direct the swivel elbow so the minimum pressuretest port is accessible.

7. Screw a No. 10-32 x 1/16-inch barb fitting into the testport, and screw the No. 10-32 x .016 orifice into theend of the elbow as shown.

8. Connect the tubing from the internal regulator outputport to the orifice.

9. Using some 1/16-inch flexible tubing, connect a 0 to30 gauge to the minimum pressure set port.

10. Once the gauge is connected, reapply the positionerair supply. The minimum pressure should now beregistering on the gauge and must be 3.8 to 4.2 psi.If the minimum pressure is not correct, use a9/64-inch Allen wrench to turn the minimum pressureset screw located at the bottom of the driver module(Figure 3) until the pressure is in the range indicated.Cycle the positioner air supply several times andrecheck the minimum pressure and readjust, ifnecessary, to ensure that the pressure has settledwithin the range specified.

11. When the pressure is set, remove the air supply.

12. Remove the No. 10-32 x 1/16-inch barb and orifice fromthe swivel elbow and then remove the swivel elbow.

13. Replace the orifice as shown in Figure 4 andreconnect the 1/16-inch tubing from the internal regu-lator output port to the orifice. Reconnect the posi-tioner air supply and power. The positioner shouldnow be ready to calibrate.

Checking or Setting Internal RegulatorPressure1. Disconnect the air supply from the positioner.

2. Remove the main cover. The regulator pressure setport is factory plugged with a No. 10-32 hex plug(Figure 11). Replace hex plug with a No. 10-32 x1/16-inch barb fitting.

3. Attach a 0 to 30 psi pressure gauge (with some1/16-inch flexible tubing) to the barb fitting shown inFigure 11.

4. Reconnect the air supply to the positioner and readthe internal regulator pressure on the 0 to 30 gauge(the internal regulator should be set to 22.0 psi).Adjust the regulator pressure by turning the setscrew with a small flat screwdriver.

5. Once the regulator pressure is set, remove the airsupply to the positioner, and replace the No. 10-32 x1/16-inch barb fitting with the No. 10-32 hex plug.

Checking or Setting the Driver ModuleMinimum PressureOnce the internal regulator pressure is set to 22.0 psi, thedriver module minimum pressure can be checked. To dothis, refer to Figure 12, and proceed as follows:


2. Disconnect power from the positioner.

3. Remove the main cover and remove the 1/16-inchflexible tubing from the orifice.

Figure 11: Internal Regulator

This port is Internal Regulator Output. Thisshould be tubed to orifice on Driver Module.

Check pressure through No. 10-32 x 1/16 Barb fitting

Regulator Pressure Test Port

InternalRegulatorSet Screw

Figure 12: Driver Module

Minimum PressureTest Port

No.10-32 x 1/16-inchbarb

No.10-32 x SwivelELL Pneumadyne

Part No. SFL-10

No.10-32 x .016Orifice

Pressure fromInternal Regulatorto be tubed to thisorifice


Linear Mark I Valve Mounting (Figure 13)

The tools required for the following procedure are:9/16-inch open-end wrench7/16-inch box wrench3/8-inch open-end wrench

1. Remove washer and first nut from follower pinassembly. Insert pin into the appropriate hole in thefollower arm, based on stroke length. The strokelengths are stamped next to their correspondingholes in the follower arms. Make sure the unthreadedend of the pin is on the stamped side of the arm.Reinsert lock washer and tighten nut to completefollower arm assembly.

2. Slide the double-D slot in the follower arm assemblyover the flats on the position feedback shaft in theback of the positioner. Make sure the arm is pointingtoward the field terminations side of the positioner.Slide lock washer over the threads on the shaft andtighten down the nut.

3. Align the bracket with the three outer mounting holeson the positioner. Fasten with 1/4-inch bolts.

4. Screw mounting bolt into the hole on the yokemounting pad nearest the cylinder. Stop when thebolt is approximately 3/16-inch from being flush withmounting pad.

5. Slip the large end of the teardrop-shaped mountinghole in the back of the positioner/bracket assemblyover the mounting bolt. Slide the small end of theteardrop under the mounting bolt and align the lowermounting holes.

6. Insert lower mounting bolt and tighten the bolting.

7. Slide the appropriate pin slot on the take-off arm,based on stroke length, over the follower arm pin.The appropriate stroke lengths are stamped neareach pin slot.

8. Position the take-off arm mounting slot against thestem clamp mounting pad and insert take off armbolting.

9. Center the take-off arm on the rolling sleeve of thefollower pin.

10. Align take-off arm with top plane of the stem clampand tighten bolting.

Figure 13: Linear Mark I Control Valve Mounting

Logix 1400 Positioner

PositionerBolts

Nut Lock Washer Nut Follower Pin

Take-off Arm

Bolts

Stem Clamp

Bracket Bolts

BracketLocknutWasher

FollowerArm

Nut

MetalWashers


Standard Rotary Mounting Procedure(Figure 14)

The standard rotary mounting applies to valve/actuatorassemblies that do not have mounted volume tanks orhandwheels. The standard mounting uses a linkagedirectly coupled to the valve shaft. This linkage is notaffected by misalignment between the positioner and theactuator.The tools required for the following procedure are:

two 5/16-inch open-end wrenches 3/16-inch box-end wrench1/2-inch end wrench phillips driver

1. Fasten spline lever adapter to splined lever using twoNo. 6 x 1/2-inch long self tapping screws.

2. Slide take-off arm assembly onto spline lever adaptershaft and tighten nut with 5/16-inch end wrenches soarm is snug on shaft but still able to rotate. This will

Figure 14: Standard Rotary Mounting

Positioner Bolts 1/4-20 (4)*

Bracket Bolts 5/16-18 (2)

* Located in appropriatehole pattern as indicated onbracket. (25, 50, 100/200)

Follower Arm,RotaryLock Washer (2)Bolt No.10-32Nut No.10-32

Self TappingScrews (2)

Spline LeverAdapter

Nut No.10-32 Lock Washer

Follower Arm

Logix 1400 Positioner

be tightened after the linkage is correctly oriented.3. Attach follower arm to positioner feedback shaft

using the star washer and No. 10-32 nut.4. Using four 1/4-20 x .50 L. bolts and 7/16-inch box

wrench, fasten positioner to universal bracket usingappropriate hole pattern (stamped on bracket).

5. Using a 1/2-inch box wrench and two 5/16 -18 x .50 L.bolts, attach bracket to actuator transfer case pad,noting that the take-off arm pin must slide into slot onfollower arm. Leave these bolts slightly loose untilfinal adjustments are made.

6. Adjust bracket position noting the engagement of thetake-off arm pin and the follower arm slot. The pinshould extend approximately 3/16-inch past followerarm. When properly adjusted, securely tighten thebracket bolting.


Third-party Actuator MountingContact the factory for information on mounting the Logix1400 digital positioner on actuators not manufactured byFlowserve.

Troubleshooting the Logix 1400 DigitalPositionerThis section provides troubleshooting information for thetwo-wire, FOUNDATION fieldbus communication based, Logix14xx series digital positioner. In addition, pointers onoperation and configuration will also be covered.

Theory of OperationFigure 16 shows the basic positioning block diagram forthe Logix 1400 digital positioner.

Orient the Take-off Arm for Final Lock Down

Tube positioner to valve in the following manner:

1. Output 1 port of the manifold to bottom side of actuator.

2. Output 2 port of the manifold to the top side of theactuator.

3. Connect the fieldbus to the field termination screwsunder cover.

4. Connect regulated (70 psi) air supply to appropriateport in manifold.

5. If setup was successful the green LED will blink andthe valve will be in control mode.

Use the NI Configurator to complete and monitor thefollowing steps:

1. Start the configurator.

2. Monitor the FVPTB block

3. In the transducer block, variable AD_RAW_FBnumber is the digital representation of shaft position.

NOTE: To update the AD_RAW_FB variable, the‘Enable Diagnostic Variable Access’ selection mustbe enabled in TEST_MODE of the transducer block.

4. With supply pressure cut, rotate follower arm in thesame direction the shaft would rotate upon a loss ofsupply pressure. When the mechanical stop of followerarm is reached, tighten bolt on the take-off arm.

NOTE: The nut should be snug enough to hold thefollower arm in place but allow movement whenpushed.

The AD_RAW_FB number should now read 3600 or500 (± 50).

5. Back the follower arm away from the mechanicalstop, watching the AD_RAW_FB number, until thenumber changes 50-150 counts.

6. Tighten the nut on the take-off arm. NOTE: Thesocket head bolt on the take-off arm needs to be astight as possible. If the take-off arm slips the positionerwill need to be re-calibrated.

7. Recalibrate using the Re-Cal button.

8. Set the FINAL_VALUE to 100. Using a screwdriverpress down on the follower arm’s pin so the pintouches the other side of the slot. The AD_RAW_FBnumber should change about 20 counts and thevalve should move a small amount. If no change inthe AD_RAW_FB number or movement in the valveoccurs repeat steps 4-8 but limit the change inAD_RAW_FB in step 5 to 30-75 counts.

WARNING: Failure to follow this procedure willresult in positioner and/or linkage damage. Checkair-action and stroke carefully before lockdownof take-off arm to spline lever adapter.

Optional Rotary Mounting Procedure(Figure 15)

The optional rotary mounting applies to valve/actuatorassemblies that are equipped with mounted volumetanks or handwheels. The optional mounting uses a four-bar linkage coupled to the valve shaft. The following toolsare required:

3/8-inch box wrench7/16-inch box wrench1/2-inch box wrench

1. Using a 1/2-inch box end wrench and two 5/16-18 x .50L. bolts, attach bracket to actuator transfer casepads. Leave bracket loose to allow for adjustment.

2. Using four 1/4-20 x .50 L. bolts and a 1/16-inch boxwrench, fasten positioner to universal bracket, usingthe four-hole pattern that locates the positioner thefarthest from the valve. Rotate positioner 90 degreesfrom normal so gauges are facing upward.

3. Attach follower arm to positioner feedback shaft,using the star washer and No. 10-32 nut.

4. Attach tripper and tripper clamp to shaft, using two1/4-20 L. bolts and two 1/4-20 locknuts. Leave tripperloose on shaft until final adjustment.

5. Thread ball joint linkage end to tripper and tighten(Thread locking compound such as Loctite is recom-mended to prevent back threading). Adjust length oftie rod so follower arm and tripper rotate parallel toeach other (the rod must be cut to the desiredlength). Connect other ball joint end to follower armusing a star washer and a No. 10-32 nut.

6. Tighten bracket and tripper bolting.

7. Check for proper operation, note direction of rotation.

WARNING: Rotating in the wrong direction willresult in serious damage to the positioner and/orlinkage. Check air action and stroke directioncarefully.


Bolts (2)

Locknuts (2)

Tripper

Tripper Clamp

*Tie Rod

Bracket Bolts 5/16-18 (2)

Ball Joint Ends

Follower Arm

Rotate Positioner 90°

* Tie Rod must be cut to desired length

Nut No. 10-32Lock Washer

Mounting Bolts 1/4-20 (4)

Figure 15: Optional Rotary Mounting

NOTE: Variable names in Figure 16 are for internal posi-tioner use and are not directly accessible via fieldbus.The Logix 1400 digital positioner receives power from thetwo-wire, fieldbus input signal. A digital signal, sent viafieldbus, is used as the command source.Zero percent is always defined as the valve closedposition and 100 percent is always defined as the valveopen position.Next, the command value is passed through a charac-terization/limits algorithm. The positioner no longeruses CAMs or other mechanical means to character-ize the output of the positioner. This function is donein software, which allows for in-the-field customeradjustment. The positioner has two basic modes:linear and custom characterization. In linear mode, thecommand signal is passed straight through to the controlalgorithm in a 1:1 transfer. In addition the user-defined

features, Soft Limits, FINAL_VALUE_CUTOFF_HI,and FINAL_VALUE_CUTOFF_LO may affect the finalcommand signal. The actual command being used toposition the stem is called CMD_USED. TheCMD_USED is the actual positioning command after anycharacterization or user limits have been evaluated.

The Logix 1400 digital positioner uses a two-stage stempositioning algorithm. The two stages are comprised ofan inner-loop, spool control and an outer-loop, stemposition control. Referring again to Figure 16, a stemposition sensor provides a measurement of the stemmovement. The FINAL_VALUE command is comparedagainst the FINAL_VALUE_POSITION. If any deviationexists, the control algorithm sends a signal to the inner-loop control to move the spool, up or down, dependingupon the deviation. The inner-loop then quickly adjuststhe spool position. The actuator pressures change and


Mounting and Installation

Electrical WiringVerify polarity when making field termination connection.With a fieldbus power supply connected, verify that anLED is blinking to determine if the electronics arerunning. Only one LED will blink at any given time.

Compatibility with DCSs using 24VDCFB specifies a 9-32V operation range. A fieldbus com-patible power supply with terminators should be used topower a Logix 14xx digital positioner with a DCS using9 - 32 VDC.

Reverse polarity protectionThe Logix 14xx digital positioner is reverse polarityprotected. Inadvertent reversing of the voltage supplyacross the Logix 1400 digital positioner should notdamage the device, if current is limited.

Air ActionAir-to-open and air-to-close are determined by the actua-tor tubing, not the software. When air action selection ismade during configuration, the selection is telling thecontrol which way the actuator is tubed. Verify that tubingis correct prior to a stroke calibration. The top output porton the positioner is called output 1. It should be tubed tothe increase open side of the actuator. That is, for an air-to-open actuator, output 1 should go to the bottom of theactuator.

Linear vs. RotaryThe positioner has two configuration settings: Linear androtary. To achieve better resolution, stem position sen-sor gains are adjusted based on the angle of rotation ofthe linkage. The linear setting allows for linkage rotationup to 65 degrees. The rotary setting allows for linkagerotation up to 95 degrees. These settings only determinethe angle of sensor rotation and do not affect controlparameters. If a positioner is set to linear linkage and ared LED blinks after calibration, the most common causeis that the sensor movement was greater than 65 de-grees. This can occur if the roller pin was placed in thewrong hole on the follower arm or the stem clamp isplaced too high. The take-off arm should always be levelwith the stem clamp on linear mountings.

The Logix 14xx positioner has an electrical measure-ment range of 95 degrees. That is, the electronics willsense stem position over a 100 degrees range of travelof the follower arm. On a rotary valve, the typical rotationis 90 degrees. When installing a Logix 14xx positioner ona rotary valve, it is important that the 90 degrees valverotation is centered within the 95 degrees electricalrange. If mechanical movement falls outside the electri-cal measurement range, the positioner can have a dead-band at one end of travel in which valve movementcannot be sensed.

the stem begins to move. The stem movement reducesthe deviation between control command and stem posi-tion. This process continues until the deviation goes tozero. The control algorithm is both proportional andintegral. This algorithm will be further explained later inthis document.

A more detailed example to explain the control functionfollows. The following configuration exists.

• Unit will receive its command from the FB.

• Custom characterization is disabled (therefore char-acterization is linear).

• Soft limits or FINAL_VALUE_CUTOFF are disabled.

• Valve has zero deviation with a present input com-mand of 50 percent.

Actuator is tubed Air-to-OpenGiven these conditions, 50 percent represents a com-mand of 50 percent. Custom characterization is disabledso the command is passed 1:1 to the CMD_USED. Sincezero deviation exists, the stem position is also at 50percent. With the stem at the desired position, the spoolvalve will be at a position in which no air flow is allowedto either side of the actuator. This is commonly called thenull or balanced spool position. Now, change the com-mand from 50 percent to 75 percent. The positioner seesthis as a FINAL_VALUE command of 75 percent. Withlinear characterization, the CMD_USED becomes 75percent. Deviation is the difference between the controlcommand (CMD_USED) and Stem Position: Deviation =75 percent - 50 percent = +25 percent, where 50 percentis the present stem position. With positive deviation, thecontrol algorithm sends a signal to move the spool upfrom its present position. As the spool moves up, thesupply air is applied to the bottom of the actuator and airis exhausted from the top of the actuator. This newpressure differential causes the stem to start movingtowards the desired position of 75 percent. As the stemmoves, the deviation begins to decrease. The controlalgorithm begins to reduce the spool opening. Thisprocess continues until the deviation goes to zero. Atthis point, the spool will be back in its null or balancedposition. Stem movement will stop. Desired stem posi-tion has now been achieved.

One important parameter should now be discussed point:Inner-loop offset. A number called inner-loop offset(IL_OFFSET) is added to the output of the controlalgorithm. (Refer to Figure 16.) For the spool to remain inits null or balanced position, the control algorithm mustoutput a non-zero spool command. This is the purpose ofthe inner-loop offset. The value of this number is equiva-lent to the signal that must be sent to spool positioncontrol to bring it to a null position with zero stemdeviation. This parameter is important for proper controland will be discussed further in the Control and Tuningsection.


Figure 16: Gain Effect Diagram

Centering the rotary linkage

To determine whether the rotary linkage is centered in the100 degrees range move the valve to the fully closedposition. The slot in the take-off arm has enough clear-ance around the roller pin to move the follower armslightly. At this position, move the follower arm within theslot clearance. If the valve does not respond, linkageadjustment is necessary. Repeat this test at the fullyopen position.

To adjust the stem position linkage, use the AD_RAW_FBvariable. With the valve in its mechanical fail position(i.e. no pressure applied), slightly move the follower armwhile watching the A/D feedback. If the number does notchange, the arm is not centered in the electrical range.(The number will bounce 1 or 2 counts due to noise at afixed position and should not be considered a change, itshould move greater than 10 to 20 counts if the linkageis centered correctly). Rotate the take-off arm, if neces-sary, to bring the linkage in range. This procedure is onlynecessary on a rotary mounting. For linear mountings,the red LED will blink if you exceed 65 degrees travel.Refer to the Calibration section for further information onstroke calibration errors.

To view the feedback variable use the FB configurator ofview the AD_RAW_FB in the transducer function block.

NOTE:To update the AD_RAW_FB variable, the ‘EnableDiagnostic Variable Access’ selection must be enabled inTEST_MODE of the transducer block.

Calibration

Re-Cal

Re-Cal is a method by which the valve can be strokecalibrated without using the fieldbus configurator.

NOTE:The transducer function block must be in OOS (outof service) mode for the Re-Cal button to be operational.

Re-Cal only affects position calibration. Any previousconfiguration or stored information is not affected.

Position 0% Calibration Flag inCALIBRATE_FLAGS

During stroke calibration, the Logix 1400 digital posi-tioner checks to see if the linkage is placing the stemposition sensor in range. If the valve stroke causes stemposition measurement to go out of range in the closedposition, a Position 0% Flag will be generated. The valvestem will stop in the closed position and the red LED willblink. Linkage must be adjusted to bring the sensor inrange. Special LED indication: If the linkage is out ofrange, the LEDs can be used as an adjustment guide. TheLED will change from a red to yellow when the linkage isbrought into range.

Position 100% Calibration Flag inCALIBRATE_FLAGSDuring stroke calibration, the Logix 1400 digital posi-tioner checks to see if the linkage is placing the stemposition sensor in range. If the valve stroke causes stemposition measurement to go out of range in the openposition, a Position 100% Flag will be generated. Thevalve stem will stop in the open position and the red LEDwill blink. Linkage must be adjusted to bring the sensorin range. Special LED indication: If the linkage is out ofrange, the LEDs can be used as an adjustment guide. TheLED will change from a red to yellow when the linkage isbrought into range.

Position Span Flag inCALIBRATE_FLAGSPosition span is a check during stroke calibration toverify that the valve stem moved. The algorithm waits tosee if no movement is detected when the valve isautomatically stroked open. Anything which could pre-vent the valve from stroking will generate a Position Spanerror (no supply pressure, malfunctioning spool valve).

Control and Tuning

Setting P + I ParametersUsing the configurator, you can set individual tuningparameters. A few key points are mentioned below. (SeeFigure 17.)

GAIN_UPPER, GAIN_LOWER, and GAIN_MULT: Thesethree parameters are related by the following formula.

Proportional Gain =

Maximum Gain - Ideviation| x Gain Multiplier

If Proportional Gain < Minimum Gain,

then Proportional Gain = Minimum Gain

This algorithm allows for quicker response to smallersteps yet stable control for large steps. Setting the gainmultiplier to zero and max gain = min gain results in atypical fixed proportional gain.

The higher the gain multiplier, the larger the requireddeviation before the gain increases. Default valuesupon initiating a RESET to factory defaults (under


LOAD_EE_DEFAULTS) are maximum gain = 2.0, mini-mum gain= 1.0, and gain multiplier= 0.05. These valueswill allow stable control on all Valtek control productactuator sizes.

Integral Gain (IGAIN): The integral gain is primarily fordeviations due to temperature drift within the inner loopspool control. The factory default value is 10. Althoughhigher numbers can speed the time it takes to reach zerodeviation, it can add overshoot if too large. It is recom-mended that maximum and minimum gains be adjustedwhile leaving integral gain fixed at 10. Integration isdisabled below a stem position of 3 percent and above astem position of 97 percent. This is to prevent integrationwindup from calibration shifts due to lower pressure or adamaged seat which may prevent fully closing the valve.

Integration Summer: The integral summer within theLogix 1400 digital positioner is clamped at +20 percentand -20 percent. If the integration summer is fixed at +20percent or -20 percent, it usually indicates a controlproblem. Some reasons for a clamped integration sum-mer are listed below:• Stroke calibration incorrect.

• Any failure which prevents stem position movement:stuck spool, handwheel override, low pressure.

• Incorrect inner loop offset.• Loss of air supply on a fail in place actuator.

Writing a zero to integral gain (IGAIN) will clear theintegral summer. The integral gain can then be returnedto its original value.

Inner loop offset (IL_OFFSET): Three control numbersare summed to drive the inner loop spool position control:proportional gain, integral summer, and inner-loop offset.Inner-loop offset is the parameter which holds the spoolin the ‘null’ or ‘balance’ position with a control deviationof zero. This value is written by the positioner during

stroke calibration and is a function of the mechanical andelectrical spool sensing tolerances. However, if it be-comes necessary to replace the driver module assemblyor the software RESET calibration constants has beenperformed, it may be necessary to adjust this value. Themethod below should be used to adjust inner-loop offset.Or simply perform a new stroke calibration.

From the fieldbus configurator:

• Send a 50 percent command.

• Set integral to zero.

• Locate the DAC_PERCENT

• Write this percentage value to IL_OFFSET

• Write original value to Integral

These tuning sets can be used to obtain initial values forFlowserve products and comparable actuator sizes. Theuser may need to adjust this tuning to achieve optimalperformance for a particular application.

Figure 17: Logix 1400 Digital Positioner Block Diagram

Table I: Factory Tuning Sets.gfM gninuT

teS_NIAGREWOL

_NIAGREPPU

_NIAGTLUM niagl elbarapmoC

).ni.qs(eziSketlaV A_yrotcaFV 0.1 0.2 50.0 01 52

B_yrotcaFV 0.1 5.2 50.0 01 05

C_yrotcaFV 0.2 0.3 50.0 01 001

D_yrotcaFV 0.4 0.5 50.0 01 002

E_yrotcaFV 0.4 0.7 50.0 01 003

84repoorT 4.0 5.0 50.0 52 13

94repoorT 0.3 0.4 50.0 01 5.77

remmaK 84repoorT 4.0 5.0 50.0 52 13

94repoorT 0.3 0.4 50.0 01 5.77

xamotuA 1R 3.0 5.0 50.0 01 5ot3

2R 0.1 5.1 50.0 01 21ot9

3R 3.1 0.2 50.0 01 91ot61

4R 0.2 5.2 50.0 01 73ot72

5R 5.2 6.3 50.0 01 57ot846R 0.4 0.5 50.0 01 901

StemPositionSensor

Tubed ATO

Sensor

Air Supply

ModulatorCoil Current

Inner LoopSpool Control

Inner-LoopHall Sensor

Output

D/A OutputPercentage

ControlAlgorithm

Deviation

Position

Pmax

Pmin

Gmult

Integration Summer

Inner Loop Offset

XDAO +Control

Command(CMD_USED)

(GAIN_UPPER)(HALL_SENSOR)

(GAIN_LOWER)

(GAIN_MULTI)

(IL_OFFSET)

Linear ModeCharacterizationSoft LimitsMPC


Spool ValveThe spool valve is a four-way directional valve withprecision features to provide optimal control and low airconsumption. To help prevent spool valve malfunction,the positioner supply air must conform to ISA StandardS7.3 (a dew point at least 18 degrees below ambienttemperature, particle size below 1 microns, oil contentnot to exceed 1 part per million). Flowserve’s standardcoalescing filter is highly recommended to help meetthese requirements.

Small particles, oil that has varnished, corrosion, ice,burrs and extreme wear could cause the spool valve toact abnormally. If the spool valve is suspected ofsticking, it can be inspected by performing the following.

1. Make sure the valve is bypassed or in a safe condition.


3. Remove the spool valve cover by removing thescrew and sliding the cover assembly backwardsuntil the tab is clear of the slot.

4. Inspect the coalescing filter element in the spoolvalve cover for signs of oil, water and debris that mayhave come from the air supply. A clean filter is white.

5. Remove the two phillips-head screws holding thespool valve to the housing. Inspect the free move-ment of the spool by carefully sliding the block upand down on the spool about 1/4 inch. The blockshould slide on the spool with no resistance. Care-fully remove the block ensuring it is removed con-centric with the spool.

6. Inspect the block and spool for oil, water, debris andwear. If oil, water and/or debris are found, the spooland block can be cleaned with a non-residue cleaner,lint free cloth and soft bristle brush. If wear is found,replace the driver module assembly as instructed inthis document.

7. Before reassembly, verify that the three O-rings arein the counter-bores on the machined platform wherethe spool valve block is to be placed.

8. Carefully slide the block over the spool, using themachined surface of the housing base as a register.Slide the block toward the driver module until the tworetaining holes line up with the threaded holes in thebase. If resistance is still encountered re-clean bothparts or replace the driver module assembly. Referto the Spare Part Kits section.

AlarmsThe Logix 1400 digital positioner has several internalalarms which monitor electronics operation. An internalalarm causes the red LED to blink. Alarms differ fromalerts because the action of the positioner may be erraticduring the alarm conditions. Alert warns operations thata predefined, user configured, condition has occurred

that may require service in the near future. Alarms causethe red LED to blink, while alerts cause the yellow LEDto blink. Refer to the FOUNDATION fieldbus documentationfor the handling of FB alerts and alarms.

12-bit A/D Reference AlarmThe Logix 1400 digital positioner utilizes a 12-bit analog-to-digital converter to acquire stem position readings. Ifthe precision reference used by the A/D drifts outsiderated tolerances, the 12-bit A/D reference alarm willbecome active. A reference error will cause change incalibration and control readings. If a continuous 12-bitA/D reference alarm exists, the main PCB assemblymust be replaced. Refer to the Spare Part Kits section.

1.23 V Reference AlarmThe 1.23 V reference is used by the inner-loop spoolposition control. If it drifts outside normal tolerances, the1.23 V reference alarm will become active. If a continu-ous 1.23 V reference alarm exists, the main PCBassembly must be replaced. Refer to the Spare Part Kitssection.

12-bit D/A AlarmThe Logix 1400 digital positioner utilizes a 12-bit digital-to-analog converter to send a control signal from themicrocontroller to the inner loop spool positioning circuit.The output of the D/A converter is independently mea-sured to verify correct operation. A 12-bit D/A alarmindicates that the D/A may be malfunctioning. If acontinuous 12-bit D/A Alarm exists, the main PCBassembly must be replaced. Refer to the Spare Part Kitssection.

Temperature AlarmThe main PCB assembly contains an ambient tempera-ture sensor. If the ambient temperature readings goesoutside the operating range, -40° F to +185° F (-40° C to+85° C), the temperature alarm will become active. Thered LED will also blink. If this alarm is present and theambient temperature reading is incorrect, the main PCBassembly must be replaced. Refer to the Spare Part Kitssection.

Hall Sensor AlarmThe Logix 1400 digital positioner uses an inner-loop,spool-positioning stage. A hall sensor is used for spoolcontrol. If the electronics senses a problem with thesensor, the hall sensor alarm will activate. Some com-mon reasons for a hall sensor alarm are loose or missingcable connection to the collector board assembly or abroken wire. In the event that the actual hall sensor isdefective, the driver module assembly must be replaced.Refer to the Spare Part Kits section.


Modulator Current AlarmThe pressure modulator is an electro-pnuematic devicewhich takes a current signal from the electronics controland generates a pressure which moves the spool. TheLogix 1400 digital positioner is a FB powered devicewhich must run on very low power. During operation, thepressure modulator current is monitored. If the currentdraw exceeds 0.9mA under normal control, the modula-tor current alarm will become active and the red LED willblink. Sometimes, the current level may be right at thethreshold of 0.9mA causing the LED to alternate betweenred and green. Listed below are some reasons for amodulator current alarm. The magnitude of modulatorcoil current can be viewed from the configurator.• Modulator minimum pressure too low• Clogged or restricted orifice• Bad or missing cable connection to collector board

assembly• Stuck or sticky spool• Internal air leaks: tubing, orifice gasket, pressure

modulator

EEPROM Checksum AlarmConfiguration data is stored in EEPROM. When power islost, configuration information is retrieved from EEPROMand operation resumes. A check is done by the micro-controller after a power-up to make sure data saved inEEPROM has not been corrupted. The checksum is anumber which is calculated based on configuration data.It is also saved in EEPROM every time data is stored. Ifafter a power-up, this number does not match the data inmemory, an EEPROM checksum alarm is generated andthe red LED will blink. If this occurs, try powering theLogix 1400 digital positioner off and then back on. If theerror does not clear, try saving configuration data againusing FB Configurator. If previous configuration has notbeen saved, you must reset the device and re-configure.If these steps still do not clear the error, the main PCBassembly must be replaced. Refer to the Spare Part Kitssection.

Pressure AlarmsNote: Pressure alarms are only available on models withadvanced diagnostics (Logix 141x).

Advanced diagnostic models add ouput port 1, output port2 and supply pressure sensors. These sensor readingsand alarms are only accessible from the communicatorwhen the configuration has been set to advanced.

Loss of Pressure: The loss of pressure alarm becomesactive when the supply pressure is near the minimumpositioner operating pressure of 30 psig. If the LEDsalternate between red and green, the supply pressuremay be at the limit threshold. This alarm is meant to alertthe user to low supply pressure as well as complete lossof pressure.

Output Port 1 Sensor, Output Port 2 Sensor, SupplySensor: Each sensor is checked during actuator calibra-tion. If a calibration reading appears to be out of range,the appropriate alarm will become active. The pressuresensors are located on the collector board assembly.

AlertsFINAL_VALUE_CUTOFF

The FINAL_VALUE_CUTOFF or tight shutoff featureof the Logix 1400 digital positioner allows the user tocontrol the level at which the command signal causesfull actuator saturation in the closed or open position.This feature can be used to guarantee actuator satura-tion in the closed or open position or prevent throttlingaround the seat at small command signal levels. Toenable, use configuration to apply the desiredFINAL_VALUE_CUTOFF threshold.

Note: The positioner automatically adds a 1 percenthysteresis value to the FINAL_VALUE_CUTOFF_LOsetting to prevent jumping in and out of saturation whenthe command is close to the setting.

Effects of FINAL_VALUE_CUTOFF on Operation

With the FINAL_VALUE_CUTOFF_LO set at 5 percentthe positioner will operate as follows:

Assume that the present command signal is at 50percent. If the command signal is decreased, the posi-tioner will follow the command until it reaches 5 percent.At 5 percent, full actuator saturation will occur. Theactuator will maintain full saturation below 5 percentcommand signal. Now, as the command increases, thepositioner will remain saturated until the commandreaches 6 percent (remember the 1 percent hysteresisvalue added by the positioner). At this point, the stemposition will follow the command signal.

If the FINAL_VALUE_CUTOFF_LO is set to 3 percentbut the valve will not go below 10 percent,SOFTSTOP_LOW may be enabled. The lower softlimit must be less than or equal to 0 percent in orderfor the FINAL_VALUE_CUTOFF_LO to become ac-tive. If soft stops are active (ie: SOFTSTOP_LOW =0 or SOFTSTOP_HIGH = 100) FINAL_VALUE_CUTOFFis disabled.

Soft LimitsUnlike position alerts, soft limits prevent the stem posi-tion from going below or above the configured limits. Ifthe command signal is trying to drive the position pastone of the limits, the yellow LED will blink but the stemposition will remain at the set limit.

Travel AccumulatorThe travel accumulator is equivalent to a car odometerand sums the total valve movement. Using the userdefined stroke length and travel dead-band, the Logix


1400 digital positioner keeps a running total of valvemovement. When the positioner first powers up, high andlow dead-band limits are calculated around the presentposition. When the stem position exceeds the traveldead-band, the movement from the center of the dead-band region to the new position is calculated and addedto the travel accumulator. From this new position, dead-band high and low limits are again calculated.

Example: The Logix 1400 digital positioner has a defaultdead-band configuration of 20 percent. The valve has a4 inch linear stroke. When the valve first powers up, thecommand signal is 50 percent. The unit will calculate ahigh travel threshold of 70 percent (50 percent presentposition plus 20 percent dead-band) and a low travelthreshold of 30 percent (50 percent present positionminus 20 percent dead-band). As long as the stemposition remains greater than 30 percent and less than 70percent, no additions are made to the travel accumulator.Now, assume the stem position moves to 80 percentwhich is outside the present dead-band. The Logix 1400digital positioner calculates the stem movement andadds this number to the travel accumulator.

80 percent (present position) - 50 percent (previous) =30 percent movement x 4-inch stroke = 1.2 inches

So, 1.2 inches is added to the travel accumulator. Newdead-band thresholds of 100 percent (80 percent presentposition plus 20 percent dead-band) and 60 percent (80percent present position minus 20 percent dead-band)are calculated. This process continues as the stemposition moves throughout its stroke range.

Cycle CounterThe cycle counter is another means of monitoring valvetravel. Unlike the travel accumulator, the stem positionmust do two things to count as a cycle: exceed the cyclecounter dead-band and change direction. A cycle counterlimit can also be written into the positioner. If this limit isexceeded, the yellow LED will blink.

Position DeviationIf the stem position differs from the control command bya certain amount for a given length of time, the yellowLED will blink to signify excess deviation. The trip pointand settling times are set from the transducer functionblock.

Advanced FeaturesNote: These features are contained in the transducerfunction block.

Standard vs. Advanced DiagnosticsAdvanced diagnostics models add top, bottom, andsupply pressure sensors. This allows for more diagnos-tic calculations such as loss of pressure, advancedsignatures, and troubleshooting.

Temperature and Pressure UnitsThe desired temperature and pressure units can be setduring configuration. Once set, all readings will be dis-played in the desired units.

Stroke LengthStroke length is used by the travel accumulator. Whenthe stroke length and units are set, the length is used todetermine the total travel accumulated. The travel accu-mulator will have the units associated with stroke.

Example: Stroke length is set to four inches. If the valveis moved from 0 percent to 100 percent, four inches willbe added to the travel accumulator. The travel accumu-lator units will be inches. If Stroke length is 90 degreesfor a rotary, the travel accumulator will now have units ofdegree. A 0 percent to 100 percent stroke will add 90 tothe travel accumulator.

Note: Stroke length is for information only and is not usedduring calibration.

Custom CharacterizationCustom characterization can be thought of as a ‘softCAM.’ The user can choose between a linear, equalpercent, quick-open, or custom user-defined character-ization curve using 21-points. The control will linearlyinterpolate between points. Points do not have to beequally spaced in order to allow more definition at criticalcurve areas.The Logix 1400 digital positioner has two modes: linearand custom characterization. Linear is a straight 1:1mapping of command to control command. It does notuse the 21-point curve definition. When custom charac-terization is disabled, the positioner is automatically inLinear mode. If custom characterization is enabled, theLogix 1400 digital positioner uses a 21-point definedcurve.The Logix 1400 digital positioner comes with a factory-default equal-percent and quick-open curve as shown inFigure 18.

Stroke CharacterizationIn addition to two pre-defined and embedded character-ization curves, the Logix 1400 digital positioner has a 21-point custom stroke characterization feature. This al-lows the user to define a unique set of operating param-eters customizable to his process conditions.

Characterization ProcedureThe following procedure outlines the basic way setting upa custom stroke characterization takes place.1. Verify the process is in a safe condition and that the

valve may be taken out of service.2. Put the Transducer block MODE_BLK in OOS (Out

Of Service)


FINAL_VALUE (% FS)

CM

D_U

SE

D (

% F

S)

0 20 40 60 80 100

100

90

80

70

60

50

40

30

20

10

0

Quick Open

Equal Percent

Linear

3. Make sure that Quick Opening Curve,Equal PercentCurve, nor Custom Characterization Active are se-lected in CONTROL_FLAGS.

4. Enter the values for CURVEX and CURVEY todefine the desired response. Care must be taken toassure that each CURVEX value has the correctcorresponding CURVEY value. The user may chooseany number in the range to define the curve. The 21CURVEX points do not need to be evenly spaced, ifso desired. However, the CURVEX values must bein ascending (or equal) order. The CURVEY pointsmay be any value in the range, ascending or de-scending. The response is a linear interpolation, orstraight-line, response between points. All 21-pointsmust be defined. (i.e. If only five point sets wereneeded to define the desired operation, the remain-ing 16 points would need to be set to 110.).

5. Write changes to the Logix 1400 digital positioner.

6. Activate the custom curve by selecting CustomCharacterization Active in CONTROL_FLAGS. NOTE:Make sure that neither Quick Opening Curve norEqual Percent Curve has been selected.

7. Write the changes to the Logix 1400 digital posi-tioner.

8. Verify the proper operation of the stroke response byincrementally writing values to FINAL_VALUE. (TheAO block must also be OOS first.) CMD_USED,FINAL_POSITION_VALUE, and the valve responseshould track the desired curve.

9. Return the valve to service by returning both the AOand FVPTB blocks to auto mode.

Characterization Retention

Once a custom curve has been loaded into the Logix1400 digital positioner’s memory it is retained in theEPROM until it is either edited or replaced. Turning

Custom Characterization Active on or off now selectsbetween a linear response (off), or the new custom curve(on). If either of the other two factory curves is selectedit will overwrite the custom curve in RAM only. Thecustom user-defined curve will automatically be acti-vated again when the factory curve is deselected.

Initiating a Valve Signature

A feature of the Logix 1400 positioner is the ability tocapture and store a valve diagnostic signature. A signa-ture is the collected data response of the valve to apredefined set of operating conditions. This stored datacan later be uploaded to the host system for analysis ofpotential problems. By comparing a baseline signature,when the valve is new, to subsequent signatures at latertimes, a rate of change can be tracked which can helppredict possible faults in the valve before they happen.This is called ‘predictive maintenance’. It is important tonote that the purpose of the positioner is to act as thedata acquisition device for the signature. Analysis of thedata is not done on the device, but in the supervisorysystem.

Note: Signature data is lost if the positioner is reset or ifthe power is cycled.

Table II: Logix 1400 Digital PositionerCharacteristic Curves

Figure 18: Characterization Curve

_LANIFEULAV)SF%(XEVRUC

YEVRUC)SF%(DESU_DMC

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0 0.0 00.0 0

5 8.81 00.1 5

01 6.73 00.2 01

51 4.65 00.3 51

02 0.47 00.4 02

52 3.48 42.5 52

03 0.09 74.6 03

53 0.29 20.8 53

04 4.39 75.9 04

54 2.49 68.11 54

05 8.49 51.41 05

55 5.59 45.71 55

06 0.69 39.02 06

56 5.69 49.52 56

07 0.79 59.03 07

57 5.79 63.83 57

08 0.89 77.54 08

58 5.89 66.55 58

09 0.99 86.76 09

59 5.99 13.28 59

001 001 001 001


System PreparationWARNING: By definition, the collection of the signa-ture requires the unmanaged operation of the posi-tioner. Therefore, the process must be in a safeoperating mode where unexpected movement of thevalve will not cause a hazardous condition.

Before a valve signature can be run, the TransducerBlock must out of service (OOS).

Signature ProcedureThe following steps are an example of how to initiate aramp signature capture. (Refer to Table IV.)

1. Make sure the process is in safe condition and notifythe control room that the valve will temporarily betaken off-line.

2. Verify preparedness to proceed.

3. Put the Transducer block MODE_BLK OOS

4. Set SIG_START to desired value.

5. Set SIG_STOP to desired value.

6. Set SAMPLE_TIME to desired value (typically 0.1).

7. In SIG_FLAGS, select; STEP_RAMP,PRESS_MEAS.

8. Write values to the Logix 1400 digital positioner.

9. Set RAMP_RATE to desired value (typically 100).

10. Write value to the Logix 1400 digital positioner.

11. In SIG_FLAGS, select BEGIN_SIG.

12. Write value to the Logix 1400 digital positioner.

*NOTE: Must not be selected if a custom curve is to be created or edited.

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13. The valve will stroke to the beginning position, asdefined by SIG_START ,and will begin ramping tothe desired ending position, as defined by SIG_STOP.Notice that SIG_COUNTER will increment while thistakes place. (Typically approximately 670 data setswill be collected with the above settings and fullstroke of the valve. Exact numbers will vary.)

14. SIG_FLAGS indicates SIG COMPLETE.

15. Return the MODE_BLK to auto.

16. Notify control room the valve is back on-line. Thestored signature will remain in the Logix 1400 digitalpositioner RAM until the either the unit is powereddown, or another signature is taken which overwritesthe previous one.

STEP SIGNATUREIf a step signature was desired, simply do not selectSTEP_RAMP in SIG_FLAGS, and then set theSTEP_TIME prior to selecting BEGIN_SIG.

Collection of Stored SignatureThe collection of the stored signature is accomplished bythe host system. It is not part of the device. See hostsystem programming.

A simple utility using National Instruments NI-FBUS isavailable from Flowserve for retrieving a signature file.The retrieved file is stored in a text format that can beimported into other programs for plotting and analysis.

Contact Flowserve for more details.


GLOSSARYA/D: Also called ADC. Analog-to-digital converter. AnA/D converts an analog signal into an integer count.This integer count is then used by the microcontrollerto process sensor information such as position,pressure, and temperature.

D/A: Also called DAC. Digital-to-analog converter. AD/A converts an integer count into an analog outputsignal. The D/A is used to take a number from themicrocontroller and command an external device suchas a pressure modulator.

EEPROM (Electrically Erasable Programmable ReadOnly Memory): A device which retains data even whenpower is lost. Electrically erasable means that datacan be changed. EEPROM have a limited number oftimes data can be rewritten (typically 100,000 to1,000,000 writes).

Micro-controller: In addition to an integral CPU(microprocessor), the micro-controller has built inmemory and I/O functions such as A/D and D/A.

Microprocessor: Semiconductor device capable ofperforming calculations, data transfer, and logicdecisions. Also referred to as CPU (Central Process-ing Unit).

Protocol: A set of rules governing how communica-tions messages are sent and received.

Resolution: Resolution is a number which indicatesthe smallest measurement which can be made. Youwill often see analog-to-digital (A/D) convertersreferred to as a 10-bit A/D or a 12-bit A/D. 10-bit and12-bit are terms which indicate the total number ofinteger counts which can be used to measure asensor or other input. To determine the total integercount, raise 2 to the power of the number of bits.Example: 12-bit A/D

Total integer number = 2Number of Bits = 212= 4096

Resolution is the measurement range divided by themaximum integer number.

Example: A valve has a 2 inch stroke and a 12-bit A/Dis used to measure position.

Resolution = Stroke/(Maximum Integer for 12-bit) =2 inch/4096 = 0.000488 inches

Sampling: Taking readings at periodic time intervals.

Serial Channel: Channel which carries serial trans-mission. Serial transmission is a method of sendinginformation from one device to another. One bit issent after another in a single stream.


Table IV: Transducer Block Signature Parameters (1 of 3)

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641 SSERP_TELNI taolf oN taolf W/R evlavfoerusserpmaertspU741 SSERP_TELTUO taolf oN taolf W/R evlavfoerusserpmaertsnwoD841 SGALF_EVLAV rahcdengisnu oN 8dengisnU W/R )noitceridwolF.xE(noitamrofnievlaV941 VART_DETAR taolf oN taolf W/R ecivressdeenerofeblevartevlavdetaR051 DI_NAM_TCA rahcdengisnu oN 23dengisnU W/R rerutcafunamrotautcA151 EPYT_TCA rahcdengisnu oN 8dengisnU W/R epytrotautcA251 EZIS_TCA rahcdengisnu oN 8dengisnU W/R ezisrotautcA351 EPYT_GNIRPS rahcdengisnu oN 8dengisnU W/R .cte,laud,elgnis:epytgnirpS451 DI_LOOPS rahcdengisnu oN 8dengisnU W/R noitacifitnediloopS551 NS_SCINORTCELE rahcdengisnu oN gnirtSelbisiV *W/R rebmunlairesscinortcelE651 REV_ERAWTFOS tnidengisnu oN 61dengisnU W/R noisrevedocdeddebmerenoitisoP751 NS_EVLAV rahcdengisnu oN gnirtSelbisiV W/R rebmunlairesevlaV851 ETAD_OP rahcdengisnu oN gnirtSelbisiV W/R etadOP851 ETAD_LLATSNI rahcdengisnu oN gnirtSelbisiV W/R etadnoitallatsnI

SDNAMMOCSUOENALLECSIM171 STLUAFED_EE_DAOL rahcdengisnu oN 8dengisnU *W/R edometirwMORPEE

271 MUN_ESAELER_GNE tnidengisnu oN 8dengisnU R rebmunesaelergnireenignededdebmE

371 _CSIM SGALF rahcdengisnu oN 8dengisnU *W/RlaC-kciuQ,sgalFsuoenallecsiM

elbasiD/elbanE

TAMROFATADsretcarahcdengisnu/dengis etyb1 decnavdAdnadradnatShtobnoelbaliavA

sregretnidengisnu/dengis setyb2 ylnosledomdecnavdAsregretnignoldengisnu/dengis setyb4

)setyb4(taolf 457-EEEI

ETIRW/DAERylnodaeR=R

sseccaetirW/daeR=W/RtsumkcolbrecudsnarT=*W/R

etirwotecivresfotuoeb

*Special Note: Because of the internal Database size limit of 10K within the Fieldbus device, the values for RAMP_RATE or STEP_TIME may be recalculated to the most reasonable value toallow using the database. The new value will appear in the parameter after the desired one is written. This is done to prevent accidental overflow of the database.It is still possible that the database may overflow, because of timing constraints. If this should happen, SIG_COMPLETE will not appear, but BEGIN_SIG will be turned off. BLOCK_TESTelement 6 will be set to 10 (0x0a) as an error indication. Since this does not affect operation of the positioner itself, no actual error will be reported over Fieldbus.


Figure 19: Exploded View

1. Housing Logix 1000 Positioner* 2. Main Housing Cover* 3. O-ring, Main Housing Cover 4. LED Display Window 5. O-ring, Window 6. Washer, Seal ring 7. Retaining Ring 8. Screw, Anti-Rotation 9. Spool Valve Cover*10. Spool Valve Shroud*11. Hydrophobic Filter,

Spool Valve Chamber12. O-ring, Spool Valve Cover13. Screw, Spool Valve Cover14. Driver Module Cover*15. O-ring, Driver Module Cover16. Regulator, 5 to 30 psi

(Includes O-ring)17. Internal Coalescing Filter18. Housing, Internal Coalescent Filter19. O-ring, Coalescing Filter Housing to

Interface Plate Seal20. Screw, Filter Housing (4)21. Interface Plate22. Gasket, Interface Plate23. Screw, Interface Plate to

Housing (2)24. Orifice, Barbed Fitting25. Flexible Tubing26. Hex Barbed Fitting W/

Captive O-ring27. Hex Plug W/Captive O-ring28. Hydrophobic Filter29. Hydrophobic Filter Cover30. Screw, Hydrophobic

Filter Cover

ItemNo. Part 31. Field Termination Cover*

32. O-ring, Field Termination Cover33. Screw, Anti-Rotation34. Manifold, Supply and Output*35. Gasket, Manifold36. Screw, Manifold (3)37. Pressure Guage, 0-160 psi (2)38. Field Termination Board39. Screw, Field Termination Board (3)40. O-ring, Field Termination Board41. Grounding Screw (2)42. Main PCB Assembly43. Screw, Main PCB Assembly (3)44. Collector Board Assembly (Standard / Advanced Model)45. Standoff46. O-ring, Sensor to Housing (3)47. Collector Board Stiffener48. Screw (2) (Standard Model Only)49. Adapter, Pressure Sensor Seal (Standard Model Only)

50. Screw, Collector Board to Housing (2)51. Screw, Collector Board to Standoff52. Spool Valve Block53. Screw, Spool Valve to Housing (2)54. O-ring, Spool Valve (3)55. Driver Module Assembly56. Nylon Washer (2)57. Screw, Driver to Housing (2)58. Stem Position Sensor59. Screw, Potentiometer to Housing (2)60. Metal washers (2)61. Screw, Spring to Feedback Shaft62. Feedback Shaft63. O-ring, Feedback Shaft64. Bearing65. Torsion Spring66. E-ring67. Nylon Washers

*Aluminum or Stainless Steel


Available Spare Part Kits For Logix 1400 Digital Positioner

Kit 1 - Driver Module AssemblyPart No. 10070864

Item No. Description Quantity55 Driver module 152 Spool valve block 153 Screw, spool valve to housing 254 O-ring, spool valve 357 Screw, driver to housing 256 Nylon washer 2

Kit 2 - Soft Goods KitPart No. 10070866

Item No. Description Quantity3 O-ring, main housing cover 1

15 O-ring, driver module cover 132 O-ring, customer interface cover 140 O-ring, customer interface

terminal block 146 O-ring, sensor to housing 354 O-ring, spool valve 362 O-ring, feedback shaft 15 O-ring, main cover window 1

19 O-ring, coalescing filter housingto interface plate seal 1

12 O-ring, spool valve cover 122 Gasket, interface plate 135 Gasket, manifold 117 Internal coalescing filter 128 Hydrophobic filter 1

Kit 3 - Standard Collector Board AssemblyPart No. 10116059

Item No. Description Quantity44 Collector board 145 Standoff 146 O-ring, sensor to housing 349 Adapter, pressure sensor seal 148 Screw 247 Collector board stiffener 150 Screw, collector board to

housing 251 Screw, collector board to

standoff 1

Kit 4 - Advanced Collector Board AssemblyPart No. 10116058

Item No. Description Quantity44 Collector board 145 Standoff 146 O-ring, sensor to housing 347 Collector board stiffener 150 Screw, collector board to

housing 251 Screw, collector board to

standoff 1

Kit 5 - Customer Interface AssemblyPart No. 10116061

Item No. Description Quantity38 Field termination board 139 Screw, field termination board 340 O-ring, field termination board 141 Grounding screw 1

Kit 6 - Main PCB AssemblyPart No. 10116434

Item No. Description Quantity42 Main PCB assembly 143 Screw, main PCB assembly 367 Washers, Nylon 3

Kit 7 - RegulatorPart No. 10070875

Item No. Description Quantity16 Regulator and captive O-rings 1

Kit 8 - Orifice AssemblyPart No. 10070876

Item No. Description Quantity24 Orifice barbed fitting and gasket 125 Flexible tubing 126 Hex barbed fitting with captive

O-ring 127 Hex plug with captive O-ring 1

Kit 9 - Stem Position SensorPart No. 10061643

Item No. Description Quantity58 Stem position sensor 1


*FINAL_VALUE_CUTOFF_LO

Table V: Troubleshooting Logix 1400 Digital Positioners (1 of 3)

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poolehtnosecivedrehtofotahtdna

snoitacinummoccitarrE elbacrohtgnelelbacmumixaM.1dedeecxeecnadepmi

rewophguonegniviecertoneciveD.2roderugifnoctondracBF.3

yltcerrocdetcennocreirrab.S.IhtiwecnerefretnI.4

dnahtgnel,ezisrotcudnocelbackcehC.1ecnaticapac

agnisufiwoltonsiyrettabyfireV.2CPpotpal

snoitarugifnocdnasnoitcennockcehC.3dracfo

esU.4 FOUNDATION MT elbitapmocsubdleifreirrab.S.I

signidaernoitisopevlaVtcerrocton

gnitnuomrosnesnoitisopmetS.1seerged081ffosi

detarbilactonekortS.2evitcasi*ffotuhsthgiT.3

tfosronoitaziretcarahcmotsuC.4evitcaspots

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ekortsevlavetarbilaC.2ffotuhsthgityfireV.3 _EULAV_LANIF

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detarbilactonekortS.1detcennoctonrosnesllahpool-rennI.2erawtfosnideretnenoitcariagnorW.3

drawkcabgnibutrotautcA.4muminimrotaludomerusserP.5

hgihooterusserppool-renniretemaraplortnoC.6

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tcerroctonsretemarapgninutlortnoC.2

dnagniretlifreporprofylppusriakcehC.13.7SnoitacificepsASIgniteemsgnittesniaglanoitroporprewoL.2

tonrenoitisoPlaC-eRnehwgnidnopser

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61.p,laC-eReeS.1 61.p,laC-eR.1

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51.p,noitcariA.181.p,evlavloopS.2




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61.p,laC-eR.1

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51.p,yratoR.svraeniL.1

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*ffotuhsthgitelbaneotdeenyaM.1 91.p,FFOTUC_EULAV_LANIF.1

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locotorptcelesdnasnoitpootoG.3

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81.p,mralArosneSllaH.1

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ecifirodeggolC.2noitcennocelbacdaB.3

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,mralAtnerruCrotaludoM.191.p

91.p,smralAerusserP.2

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evlavtubgniknilbsiDELwolleYenifsinoitisop

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Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intendedfunction safely during its useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide variety ofindustrial service conditions. Although Flowserve can (and often does) provide general guidelines, it cannot provide specific data and warnings for all possible applications. The purchaser/usermust therefore assume the ultimate responsibility for the proper sizing and selection, installation, operation and maintenance of Flowserve products. The purchaser/user should read and understandthe Installation Operation Maintenance (IOM) instructions included with the product, and train its employees and contractors in the safe use of Flowserve products in connection with the specificapplication.While the information and specifications presented in this literature are believed to be accurate, they are supplied for informative purposes only and should not be considered certified or as aguarantee of satisfactory results by reliance thereon. Nothing contained herein is to be construed as a warranty or guarantee, express or implied, regarding any matter with respect to this product.Because Flowserve is continually improving and upgrading its product design, the specifications, dimensions and information contained herein are subject to change without notice. Should anyquestion arise concerning these provisions, the purchaser/user should contact Flowserve Corporation at any of its worldwide operations or offices.

For more information, contact:For more information about Flowserve, contact www.flowserve.com or call USA 972 443 6500

Regional Headquarters

1350 N. Mt. Springs Prkwy.Springville, UT 84663Phone 801 489 8611Facsimile 801 489 3719

12 Tuas Avenue 20Republic of Singapore 638824Phone (65) 862 3332Facsimile (65) 862 4940

Flowserve and Valtek are registered trademarks of Flowserve Corporation.

12, av. du Québec, B.P. 64591965, Courtaboeuf Cedex,FrancePhone (33 1) 60 92 32 51Facsimile (33 1) 60 92 32 99

Quick Response Centers

5114 Railroad StreetDeer Park, TX 77536 USAPhone 281 479 9500

Facsimile 281 479 8511104 Chelsea ParkwayBoothwyn, PA 19061 USAPhone 610 497 8600Facsimile 610 497 6680

1300 Parkway View DrivePittsburgh, PA 15205 USAPhone 412 787 8803Facsimile 412 787 1944

PRELIMINARY FCD VLAIM046-01 ©2000 Flowserve Corporation. Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611

Table VI: Linear Mounting Kits

25 Square-inch 50 Square-inch 100-200 Square-inch

Spud Standard Handwheel Standard Handwheel Standard Handwheel

2.00 10067289 10067368 10091897 10067368

2.62 10067316 10067384 10067329** 10067384

2.88 10067329 10067386

3.38 10067351 10067389

4.75 10067351 10067389

* A 50 square-inch, 2.00 spud with live loading requires kit number 10067301.** Live loading is not available on a 100 square-inch, 2.62 spud.

Table VII: Valtork Rotary Mounting Kits

25 Square-inch 50 Square-inch 100-200 Square-inch

Shaft Diameter Standard Optional Standard Optional Standard Optional

0.44 10067418 10067527 1006790 10067502

0.63 10067418 10067565 1006790 10067573 10067502

0.75 10067418 10067569 10067490 10067574 10067502

0.88 10067418 10067572 10067490 10067575 10067502 10067615

1.12 10067418 10067490 10067580 10067502 10067618

1.50 10067418 10067490 10067502 10067617

1.75 10067418 10067490 10067502 10067618

Standard: All Rotary Valves with Standard Accessories (End of Shaft Mount)

Optional: All Rotary Valves with Handwheels or Volume Tanks (Linkage Design)

Table VIII: Additional Mounting Kits

.oNtraPtiK tuoyaL

04,43,03ezis766ledoMrehsiF 08700101 804141

04,43,03ezis756ledoMrehsiF 08700101 804141

sekortshcni-5.1dnahcni-57.ezisrepoorT 98291101 236661

.D.H413R,xamotuA 68700101 695131

Documents

Valtek Logix 1400 Digital Positioner - Flowservewater.flowserve.com/files/Files/Literature/Products/Flowcontrol/... · to valve parts, users must strictly ... Available Spare Parts