LinkIT - Valve Controller

8/12/2019 LinkIT - Valve Controller

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NAF 370991

NAF-LinkITIntelligent Valve Controller, NAF 370991

k 41.85(11)GB07.12

Primary characteristics- n , t e nte gent va ve contro er, s es gne to

operate pneumat c va ve actuators rom contro systemsn e ectr ca contro ers w t t e ana og contro s gna-20 mA, optionally superimposed by the HART-com-

munication signal. As an alternative, the digital operationby means of FoxCom, PROFIBUS-PA and FOUNDATION

e us s poss e.

NAF-LinkIT can also be integrated into system and app-lication that support FDT/DTM concept according to thespec cat on . . or t s purpose t e requ re :s or

, ro us an ox om are ava a e.

e pos t oner as t e o ow ng eatures:· Auto Start with self calibration

· Self diagnosis

· ommun cat on , ox om, -and FOUNDATION Fieldbus H1

· Configuration by means of local keys, hand-heldterm na , or system

· ery g a r output capac ty

· ow a r consumpt on

· art cu ar y ow v rat on n uence na rect ons

· Angular range up to 95°

· upp y a r pressure up to ar

· Single or double-acting

· o ust es gn w t transparent po ycar onatecover. um n um cover as opt ona

· ntegrate eacon sty e n cator

· Mounting on rotary actuators according to VDI/ or rect on actuators

· rotect on c ass

· Built-in independent inductive limit switchesopt ona

· utput or a r pressure sensors opt ona

· Option boards for 4-20 mA feedback, two binary

inputs or outputs (optional)

· ressure gauge oc opt ona

SpecificationType: NAF LinkIT, intelligent, electro-pneumatic, valvecontro er, pro uct co e no. - see page .

unc on - n converts an ana og or g ta e ec-trical signal to a predetermined position for a pneumaticactuator.Control parameters and alarm limits can be configuredy means o oca eys, or on vers ons w t commun ca-

t on , ox om, - ane us remote, w t an - e term na , , orsystem.With applicable software, NAF-LinkIT can also be used toprov e agnost cs o va ve con t on.

pp ca on: an e mounte rect y on a actuator,or with a mounting kit on other pneumatic rotary actua-tors.

e sp n e s eeve o t e actuator as a s ot torece ve t e pos t oner sp n e. r ver p n t en trans erst e rotary mot on rom t e actuator to t e va ve pos -tioner. The driver pin is spring-loaded for transmissionwithout backlash.

es gn: - n as a very ro ust an rugge es gnma e or severe app cat ons n t e process n ustry.

e va ve contro er as a very g a r output capac ty tofit on large size actuators and valves.NAF-LinkIT is equipped with an integrated beacon indica-tor v s e t roug t e transparent cover. e eacon asre n cator mar ngs or rotat on ang e.



Functional specificationsnpuwo-w re systemeverse po ar ty

protection. . . . . . . . . . . . . . standard feature

- ou commun ca ongna range . . . . . . . . . . . . - mperat ng range. . . . . . . . . . - . m

Voltage. . . . . . . . . . . . . . . . DC 8 - 48VMax load. . . . . . . . . . . . . . .320 Ω @ 20mA

- commun ca ongna range . . . . . . . . . . . . - mperat ng range . . . . . . . . . . - m

Voltage range of unloaded input signal. . . . . . . . . . . . DC12 to 48V

ax. oa . . . . . . . . . . . . . . Ω , . at mommun cat on s gna . . . , au ,

mo u ate on - m 0.5 Vpp at 1kW loadnput impedance Zi . . . . . Z =320Ω

for AC voltage 0.5 to 10kHz with <3 dB non-linearity. Cablecapac ty an n uctance see stan ar spec cat onse.g. < n .ote . . . . . . . . . . . . . . . . . ow vo tage contro

systems might havepro ems r v ng t e contros gna , use amp eropt ona

-F) With communication FoxCom/digitalnput signal . . . . . . . . . . . . digital

Supply voltage . . . . . . . . . .DC 13 - 48Vupp y current . . . . . . . . . .~ mommun cat on s gna . . ox om g., au

FSK modulated on supplyvoltage

nput mpe ance . . . . . . . . ~ Ω , - z

- commun ca on ox om ana oggna range . . . . . . . . . . . . - m

Operating range. . . . . . . . . 3.6 - 21,5 mAVoltage. . . . . . . . . . . . . . . . DC 13 - 48 Voa . . . . . . . . . . . . . . . . . Ω

ommun cat on s gna . . . ox om, au 1) mo u ate on - m

nput impedance . . . . . . . . ~500 Ω (0,5 - 20 kHz)

-P) With communication PROFIBUS-PAnput s gna . . . . . . . . . . . . g taupp y vo tage . . . . . . . . . . -perat ng current . . . . . . . . . m +- . m

(Base current)

Current amplitude. . . . . . . .+-8 mAau t current . . . . . .. . . . . ase current + m ymeans o n epen ent -sa ety c rcu t

Data transfer . . . . .. . . . . Acc. to PROFIBUS-PA profileclass B, based on EN 50170an part

- comun ca on e us-Input signal . . . . . . . . . . . . digitalSupply voltage . . . . . . . . . .DC 9 - 32VOperating current . . . . . . . .10.5 mA +-0.5 mA ase current

urrent amp tu e. . . . . . . .+- mFault current . . . . . .. . . . . Base current +4 mA by

measns of independent FDE-sa ety c rcu t

ata trans er . . . . .. . . . . pec cat on ev. .n - aster

Function blocks . . . .. . . . . AO, Transdeucer, Resource,PID (in preparation)

Configuration- ou commun ca on

on gurat on. . . . . . . . . . . w t oca eys an s

-H) With communication HARTSoftware . . . . . . . . . . . . . . IFDC / PC20 / FDT software

ar ware . . . . . . . . . . . . . . o em orso poss e w t oca eys an s

-E/F) With communication FoxComSoftware . . . . . . . . . . . . . . IFDC / PC20Hardware . . . . . . . . . . . . . . Modem PC10

er es ystem . . . . . . . or co eor co e

Also possible with local keys and LEDs

-P) With communication PROFIBUS-PAo tware . . . . . . . . . . . . . . so twarear ware . . . . . . . . . . . . . . ro ar or

Also possible with local keys and LEDs

-Q) With communication Fieldbus-FOUNDATION H1o tware . . . . . . . . . . . . . . ontact or urt er

n ormat onar ware . . . . . . . . . . . . . . ontact or urt er

information for PCAlso possible with local keys and LEDs

rave rangeotat on ang e range . . . . . up to

Characteristicsct ng . . . . . . . . . . . . . . . . con gura e: rect nversep t range . . . . . . . . . . . . . pract ca earacter st c curve . . . . . .con gura e: near equa

percentage qu c open ngfreely defined with 22 pointsmax. (not version -A and -D)

ng e m tat on . . . . . . . . . con gura eg t c ose range

w t ysteres s . . . . . . . . . .con gura e1) FSK = Frequency Shift Key





Optional equipment specificationsAdditional Inputs/Outputs (not for version -A)- nary npu swo n epen ent nary nputs w t nterna supp y or

connection of sensors, e.g. pressure switches. A con-nec-

ted switch is loaded with 3,5 V, 150 mA.ot nary nputs can e use or agnost cs or a so or

t e contro unct ons- c ose va ve- open valve (100%)- hold last value (configurable)

-P) Two Binary Outputs (not version -A)nput . . . . . . . . . . . . . . . . . ang e er vate rom va ve

contro er ee acOutput binary . . . . . . . . . . .galvanic separated 2 limit

signals open collector

Supply voltage . . . . . . . . . external max 16 VDCog c . . . . . . . . . . . . . . . . . < m , m t va ue not

excee e > 2,2 mA, limit value

exceeded ev ce au t < m-Q) Position feedback 4 - 20 mA

ng e er vate rom va ve contro er ee ac ,utput ana og, ga van ca y separate , two-w re systemcc. to DIN 19234

Supply voltage . . . . . . . . . .8 - 48 V DC an con gura e

ev ce au t . . . . . . . . . . . . < m

One binary output alarm, galvanically separated,failure source configurabletwo-w re system acc. to

upp y vo tage . . . . . . . . . -gna range . . . . . . . . . . . - m

Logic . . . . . . . . . . . . . . . . . < 1 mA, no alarm> 2,2 mA, alarm

device fault < 50 mABuilt-in Limit Switch- n uc ve m w cwo-w re system

nput . . . . . . . . . . . . . . . . position measuredmechanically

Output . . . . . . . . . . . . . . . 2 inductive proximitysensors acc. to orconnect on to a sw tc ngamplifier with an intrinsicallysafe control circuit

Current consumptionane c ear . . . . . . . . . . . . > , mane nterpose . . . . . . . . < m

or contro c rcu t w t t e o ow ng e ectr ca va uesSupply voltage . . . . . . . . . .DC 8V, Ri approx. 1 ohm

Residual . . . . . . . . . . . . . . < 10% p.p.erm ss e neres stance . . . . . . . . . . . . . < o m

esponse c aracter st cSwitching differential . . . . .< 1%Switching pointrepeata ty. . . . . . . . . . . . < .

- n uc ve m w cThree-wire systemInput . . . . . . . . . . . . . . . . . position measured

mec an ca yutput . . . . . . . . . . . . . . . . n uct ve prox m ty

Current consumptionVane clear . . . . . . . . . . . . . > 2,2 mA

ane nterpose . . . . . . . . < m

p ona ea ure-B) Built-in Pressure SensorsFor output air pressures to actuatorn cat ng range . . . . . . . . — arccuracy . . . . . . . . . . . . . . ,emperature n uence . . . , - -

Connection manifold with Gauges-M (Manifold with manometer-LEXG)atera attac ment to va ve contro er w t gaugesn cat ng range . . . . . . . . - arrror m t . . . . . . . . . . . . . ass .

ys ca spec cat onsMaterialsHousing . . . . . . . . . . . . . . . Aluminium (Alloy No. 230)

finished with DD-varnish whiteCover . . . . . . . . . . . . . . . . . Transparent polycarbonate, -sta seee ac s a t mater a ..... .

Weightou e act ng . . . . . . . . . . appr. . g . s

ec r c onnec onLine entry . . . . . . . . . . . . . 1 or 2 cable glands M20x1,5 for cables of diam. 6-12mmScrew terminals . . . . . . . . 2 terminals for input,

opt ona a t onaterm na s or pos t on

transm tter an sensor orfor 2 sensors, another 4

additional terminals for limitsw tc es, w re crosssect on up to . mm

MountingNAF actuator . . . . . . . . . . . NAF standardConnection to rotaryactuators . . . . . . . . . . . . . . w t mount ng

t - -



NAF-LinkIT

Safety requirements

a eectromagnet c

compatibility2) . . . . . . . . . . 89/336/EWG

Low-voltage regulation . . . 73/23EWG not applicable

a e yon y w t opt ona eature - , meta c cover

According to EN 61010-1(or IEC 1010-1) . . . . . . . . safety class III Overvoltage Category Interna uses. . . . . . . . . . not rep acea externa uses . . . . . . . . . m tat on o power supp es

or re protect on must eobserved acc. to

EN 61010-1, appendix F

(or IEC 1010-1).

k 41.85(11)GB





19

13

3

1

0

1

18

10

11

NAF-LinkIT

Overview

os on1 Cable gland2 Plug, interchangable with Pos. 1

Screw terminals (+/-) for input (w) roun connect on ema e t rea - or a r supp y

6 Female thread 1/4-18 NPT for output y27 Female thread 1/4-18 NPT for output y1 eacon n cator ey

eyey

tatus sp ay re , green s13 Polycarbonate cover

14 Data label15 LCD

neumat c un t w t spoo va ve os t on potent ometer r nte c rcu t oar w t -cover

21 Connection for pressure sensors (optional)

k 41.85(11)GB



NAF ABSE-581 87 LinköpingSweden

Telephone +46 13 31 61 00Facsimile +46 13 13 60 54e-ma n o na .se

e s te: www.na .se

e reserve t e r g t to es gnmodifications without prior notice

ISO 9001 Certified

Product codeExample 70991 -C H N S 7 ZZZ -BV08

1 2 3 4 5 6 7 8NAF-LinkIT, Intelligent Valve Controller for NAF

ou e act ng actuator, -com. an two u t- npressure sensors w t - sp ay.

. ypente gent a ve ontro er or otary ctuators. .. Version

Double acting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -C3. Input/Communication

g ta , w o commun cat on - m . . . . . . . . . . . . . . . . . . . . . .ox om - m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ox om g ta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HART (4-20mA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HPROFIBUS-PA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P

FOUNDATION Fieldbus H1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Q4. ona npu s u pu swo nary nputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Potentiometer Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DPrepared for additional In-/Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nwo nary outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .os t on ee ac - m . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. u - n m sw c

t out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .nductive limit switch expl. prot. EEx ia IIC T6 (NJ2-V3-N) ) . . . . . . . . . . . . Tn uct ve m t sw tc - - . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Cable Entry

x , w t p ast c ca e g an . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ec r ca c ass ca on

Without . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ZZZEEx ia IIC T4 (cenelec) 2) 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EA4I2G EEx ia IIC T6/T4 (ATEX) 2) 3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. p ona ea ureswo u t- n pressure sensors or output to actuator p an p

. . . . . . . . . . . . . . . . . . . . . -

Metallic cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -DTag.No. Labeling Stamped with weather resistant color . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -GTag.No. Labeling Stainless steel label fixed with wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -LCustom Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -T

- sp ay w t anguage ng s erman we s nc u e , or ot er anguages,contact sp ay s nc u e as stan ar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -

ux aryan o , gauges man o connec on 4 -

With three gauges for version double acting LEX 424744078 -M

Mounting kit for:- urnex, w en e vere toget er w t actuator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . nc u e- urnex, w en e vere separate y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

otary actuator acc. to w t mm s a t eg t - ,- . . . . . . . . . . . . . . . . .otary actuator acc. to w t mm s a t eg t - ,- . . . . . . . . . . . . . . . .

Rotary actuator acc. to VDI/VDE 3845 with 30 mm shaft height (79127X-270,-280) . . . . . . . . . . . . . . . . 34920652

ootnotesxposon protect on ony wt ectrca c ass caton

(2) Only with Optional Feature -D, metallic cover(3) Only with input /communication F, H, P and Q

(4) Not with inputs/communication E, F(5) Only with input/communication D, E(6) Only with electrical classification EAA.

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LinkIT - Valve Controller