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Operating instructions forAerzen control system
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AS-002 C ENTranslation of the original instructions 1
ENG
LISH
A E R Z E N E R M A S C H I N E N F A B R I K
G M B H
AS-002 C EN182 033 000 11-2011
Aerzen - one step ahead
www.aerzen.com
Operating instructions forAerzen control system
AS-002 C ENTranslation of the original instructions2
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The INFO page is to be read before commissioning. Any noted instructions and changes are to be implemented.
We reserve the right to correct typographical errors and content errors and make revisions related to technical changes.
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Table of contents
Front page ..................................................................................1Instructions on info page ............................................................2Table of contents ........................................................................3Installation position .....................................................................4
1. Aerzen control system ................................................52. Overviewofoperatingfields ................................. 6 - 73. STARTING and STOPPING the machine ............ 8 - 104. Warning, alarm and cut-off, malfunction .................115. Fault registry ...................................................... 12 - 136. Opening Main menu ........................................... 14 - 157. Switching AERtronic from LOCAL to REMOTE ............................................ 16 - 178. Service and maintenance ..................................18 - 199. Maintenance / service resetting................................2010. Regulation with PID controller ..........................21 - 2511. Units conversion from C to F and bar to psi ......................................2612. Screen saver and cleaning................................27 - 2813. Module status .............................................................2914. Timer ...........................................................................3015. Parameter ...........................................................31 - 5916. Connection of the control system ....................60 - 6417. Fault / malfunction messages...........................65 - 6718. Alarm and warning messages ..................................6819. Maintenance messages .............................................6920. Status messages........................................................7021. Connection of the Modbus ........................................7122. ConnectionoftheProfibus .......................................7223. Battery change ...................................................73 - 7424. Technical data ............................................................7525. INFO page ........................................................... 76 - 77
AS-002 C ENTranslation of the original instructions4
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Beisp
iel / e
xamp
le
Modular installation of the control system
Operating unit with Touch Panel
Installation position / AERtronic AS 300
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Aerzen control system AERtronic AS 300 Safety information Commissioning, operation, parametrisation and maintenance of the control system must only be performed by trained personnel. Improper operation may result in property damage and personal injury!
Generalspecifications The AERtronic AS 300 is used as a control system for rotary piston machines. The AERtronic is equipped with a color graphic display with a touch screen. At least one basic compact module and additional I/O modules are needed for the
overall system. The AERtronic AS 300 is set according to order and includes all operating
parameters, such as pressures, temperatures, ... During the initial commissioning, deviations from these settings can be carried out The additional handling and operation of the control system is predefined in the
display and guides the operator through the menu in a structured manner. The AERtronic AS 300 includes all functions for the starting and shutdown
procedure as well as the display and querying of the operating parameters. The AERtronic AS 300 can be used as a display and monitoring unit as well as
control of a rotary piston machine.
Aerzener Maschinenfabrik reserves the right to make changes, expansions or improvements to this product, hardware and software, as needed. This implies no obligation to update equipment that has already been delivered.
AS-002 C ENTranslation of the original instructions6
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6.) TabTemperature ranges
7.) Tabadditional operating pa-
rameters8.) Tab
Service and Setup1.) Information
menu
3.) START
4.) STOP
13.) Measured value display 12.) Range indicator of the respective operating
parameter
11.) Numerical value display
10.) Graphical representation
9.) Selection keys of the particular display menu
within a tab(discharge pressure, intake pressure,
discharge temperature, oil temperature, etc.)
2.) Service mes-sage
optical message for pending service
work
2.Overviewofoperatingfields
AS-002 C ENTranslation of the original instructions 7
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C
Overviewofadditionaloperatingfields
Previous screen
RESET
ENTER
Deletes last entry
Increase value / scroll up
Decrease value / scroll down
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3. STARTING and STOPPING the machine
3.1 Ready-to-start condition
The machine is ready to start if the following items are satisified.- no warning is active- no shut-down is active- the restart delay has expired.- the starting block is not blocked by many starts/hours
If only one condition is not satisified, the machine is not ready to start. Conditions that are not met are displayed in the information menu as an message, warning or shutdown. In order to create the ready-to-start condition, there must be an acknowledgement.
Messages
M02 Switching cycles exceeded
M02 Switching cycles exceeded
AS-002 C ENTranslation of the original instructions 9
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0.00
1.80
3.2 Maschinen START
The machine can be started either locally or remotely, if no warning and / or shut-down and starting block (restart interlock or starts/hour) are active. Pressing the green button in the display starts the machine in the operation mode "local".
The starting of the machine is complete if the compressor symbol in the green area no longer flashes.
Discharge pressure
Discharge pressure
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3.3 STOPPING the machine
Pressing the red button in the display stops the machine.
Switching off the machine is completed if the compressor symbol in the green area no longer flashes and the symbol Stoppage / OFF is displayed in the green button.
0.00
1.80
Discharge pressure
Discharge pressure
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4. Warning, alarm and cut-off
The screen flashes yellow if a warning or an alarm has
expired. Alarms and warnings do not cause a shutdown of the
machine, but prevent restart when the machine is stopped. After the acknowledgement or reset, the screen shows
continuous yellow illumination if their is still a malfunction
The screen flashes red if a shutdown has occurred. After acknowledgement
or Reset, the screen continuously flashes red if a malfunction is still present.A shutdown always causes
the main motor to be switched off.
Date and time of the event
The flashing information button provides detailed information about the malfunction message.
Note: The cause of the fault needs to be checked and eliminated. Only after that is a restart of the machine advisable.
Discharge pressure
A 005 Discharge pressure
Discharge pressure
E 019 Discharge pressure
Messages
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5. Fault registry
All events with data and time are stored in the fault registry. An overview of all alarms, warnings and shutdowns is given in the appendix.
Control system
Main menu
Service menu
Timer
Machine parameters
Service Configuration
Limit values
Display
Base load change
Save factory setting
Hours counter
Fault registry
Load factory setting
Parameter history
Acknowledge maintenance
Maintenance intervals
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Indicates all available measured values at the time of the event.
Appearance of an alarm or warning.
Triggered and acknowledged shutdown
Triggered and acknowledged alarm or warning
Appearance of a shutdown
A 018 Pressure ratio
A 005 Discharge pressure
E 019 Discharge pressure
E 019 Discharge pressure
A 005 Discharge pressure
Fault registry menu
E019 Discharge pressure
AS-002 C ENTranslation of the original instructions14
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6. Opening Main menu
User
Admin
Superadmin
Setup
Operating times
Service
Airfilter
Operating hours:
On-load hours:
Idle run. hours:
Pressure intake filterBreather holes
Log in under one of the
selections.
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User Logon Enter code 12345
confirm Enter
Control system
Timer
Machine parameters
Service
Base load change
Display
Limit values
Configuration
User
Admin
Superadmin
User login
Main menu
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7. Switch AERtronic from LOCAL to REMOTE
Depending on the access code, the display of the menu items may vary.
Control system
Timer
Machine parameters
Service Configuration
Limit values
Display
Base load change
Main menu
Control system menu
Regulation
Communication
Miscellaneous
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Selection of operating location for Start-/ StopOff Control panelDigital Corresponding Digital input "Remote On/Off"Modbus/ProfibusCorresponding bits via the communication
The lock signifies that remote operation has been selected. Starting and stopping the machine using these keys is NOT possible.
Comment:In the "Modbus / Profibus" selection, the location lock (locks) appears only after the "Remote ON / OFF" enable bit is set (byte 2, bit 7)
General control menu
Operation mode:
Remote load / idle:
Remote on / off :
Automatic restart:
Cont. operation
Off
Digital
No
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8. Service and maintenance
The operator is informed about maintenance to be performed or a service.The information is displayed with a flashing background screen and occurs 100 hours before the actual service interval.Pressing the information button yields the exact information about the pending maintenance or the service.
Note: The maintenance and service information is to be regarded as a supplementary assistance. What is binding for any maintenance or service is the information in the operating manual of the assembly or machine stage in question.
Discharge pressure
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After the acknowledgment of the maintenance or service, the background is continuously yellow. The actual resetting of a maintenance interval occurs in the service menu under the menu item "Acknowlege maintenance", as long as the message remains active and the information button is flashing.
On the Service tab, the times until the next maintenance are displayed on the first page. Obtain additional information by pressing on the interval with the blue background.
Service
V-belt
Coupling 1000hPressure valve 1500h
Service in 500h
Check condition of V-belt, replace if necessary
Check orientation of pulleys, correct as needed
W0 1 Maintenance interval Air filter:
V-belt 500h
Messages
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9. Reset maintenance or service
After conducting the maintenance, it must be reset in the "Acknowledge Maintenance Interval" menu and thereby cause the service counter to be restarted.
Maintenance operations that must be reset have a yellow background. When "Reset" is pressed, the service counter is restarted.
Caution: Also maintenance that is not yet pending can be reset by pressing the "Reset" key.
Note: The appearance and resetting of the maintenance and service intervals are stored in the history memory along with the date and time and can be viewed at any time by Aerzen service personnel.
Only visible for Aerzen technical
personnel!
Control system
Timer
Machine parameters
Base load change
Display
Limit values
ConfigurationService
Main menu
Service menu
Maintenance acknowledgment menu
Maintenance interval
Acknowledge
Load factory setting
Parameters history
Save factory setting
Hours counter
Fault registry
Reset
Reset
Reset
Reset
Maintenance counterpr. filter cartridge:
Maintenance counter for coupling:
Maintenance counter for pressure valve:
Maintenance counterair filter:
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10. Regulation with PID controller
Basic information:The AERtronic AS 300 is equipped with a software PID controller. It is used to control the suction pressure or discharge pressure. The actual value is read in at the analog input for the system pressure. The set value for the pressure can either be predefined over the operation panel or the communication Modbus/Profibus. A corresponding analog output (for example pressure control) then predefines the rotational speed for a frequency converter. An external speed pre-set is also possible with an analog input (ext. predefinition) or over the communication Modbus/Profibus, if available and configured.
Opening the control parameters
Set value for the PID controller. The control output attempts to keep the system pressure at this value.
If the system pressure exceeds this value, the machine is switched into idling mode if there is a load/idle control. If the pressure falls below the set pressure, the system switches back into operation under load. (Refer also to Run/Shutdown mode)
Switching between Automatic and Manual mode and external speed preset
Selection of the control system on the intake and discharge side
Control system menu
Regulation menu
Regulation
Communication
Miscellaneous
Discharge side
Auto
Set pressure:
Idling pressure/max. pressure:
Speed setting:
Pressure regulation:
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Limits the controller output to this set value. Normally is not needed because the minimum rotational speed on the FU must be limited
Control parameters:P-portion = Controller faster I-portion = Controller slowerD-portion = Controller faster with pressure regulations usually 0%
Minimum regulation limit
P-portion:
I-portion:
D-portion:
Regulation menu
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Controller in manual mode
If the PID controller is set to manual mode in the controller parameters, the selected value can be changed by using the shown cursor buttons.
Load/idle and cut-off/continuous mode
If the machine is equipped with load/idle valves, these can be controlled by the AERtronic AS 300. The configured digital output (load valve) takes over the control of the interphase transformer and discharge magnet valve. In idle mode the volume flow on the input side of the compressor is reduced by a suction valve and the pressure side is balanced by a discharge valve.
The machine always switches to idle mode while starting and stopping and during stoppages.
Change of the selected value or the speed in manual mode.Cursor keys appear only after the engine starts up.
Selected value
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After the start command and expiration of the set run-up time, the machine switches into operation under load.
The system pressure is used as the actual value for the load/idle control. If it exceeds the limit value for Idle pressure the machine automatically switches to idle mode. If the system pressure falls below the Set pressure it switches back to load mode. The parameter minimum idle time in the machine parameter menu causes a delay switching between load and idle and prevents quick switches between loads.
Machine parameters menu
Maximum machine pressure:
Restart interlock:
Run-up time:
Star/delta switchover time:
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The load/idle mode can also be controlled externally by a configured digital input (remote load/idle) or the communication Modbus-/Profibus.
Cut-off modeIf the cut-off operation mode is active the machine additionally switches to standby. It also switches off the main motor and the AERtronic AS 300 remains keyed.
This is indicidated by the standby symbol .
To prevent the main motor from being switched on and off all the time there is a Run-on time in the machine parameter menu. Only after the run-on time is expired and the machine switches to idle mode it is switched to standby. If the system pressure falls below the set pressure the machine is restarted from standby mode and takes over the load mode.
Ctinuous modeIf the continuous operation mode is active, the machine switches to idle mode but does not enter standby mode.
Load/idle mode depends on:From system pressureDigital Digital input (Signal 1 load mode)Modbus-/Profibus bit in the communication
Operating mode:
Remote load / idle
Remote On / Off
Automatic restart: No
Off
Digital
Power on operating mode
General control menu
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11. Conversion of the units C to F and bar to psi
Conversion from bar to psi
Conversion from C to F
Control system
Timer
Machine parameters
Service
Base load change
Display
Limit values
Configuration
Limits trend graph
Units
Cleaning display
Screen saver
BAR
C
Main menu
Display menu
Units menu
Pressure unit:
Temperature unit:
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12. Screen saver and cleaning
Cleaning of the screen
The cleaning is only possible when the machine is switched off. The menu item "Cleaning display" is suppressed when the machine is running.
Main menu
Display menu
Control system
Timer
Machine parameters
Service
Base load change
Display
Limit values
Configuration
Limits trend graph
Units Screen saver
Cleaning display
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After pressing Start, the screen is blocked for one minute and cleaning can be started. The time remaining is displayed on the screen. The cleaning should be done with a soft cloth. Aggressive and abrasive polishing compounds must not be used, because in this case the display can sustain damage.
Screensaver
With the selected screensaver, the display goes into screensaver mode after the expiration of the set time.
Brightness in normal mode
Brightness when the screensaver is active
Cleaning display menu
Attention: After starting this function, the control system cannot be operated further for 1 minute.
Start
Yes
Screen saver menu
Screen saver:
Screen saver delay:
Brightness standard:
Brightness screen saver:
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13. Module status
The Basic Compact and Smart (EMO) modules do not have LEDs and therefore also have no status message of the digital inputs and outputs.For this reason, the "Module status" screen indicates the current status of the digital inputs and outputs.
Controlled inputs and activated, controlled outputs are shown in green.
3 x
Comment:The assignments of the digital inputs/outputs listed above relate to the standard version. The specific version can be taken from the respective circuit diagram.
EMERGENCY OFF Remote
On / OffMalfunction(Motor Off)
Ready to start
Motor protectionMain motor
Start main motorLine protection or frequency converter
Motor protectionOil mist separator
Warning /Alarm
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14. Timer
Eight time-switch channels are available.The control system evaluates the channels of the series.On a weekday activated in the time-switch channel, the system is switched on or off corresponding to the set activation and cut-off time.The activation time must always be before the cut-off time. If the system is to run round the clock, activation and cut-off times must be set to 0:00 or to the times 0:00 and 24:00 and the desired weekdays must be activated.
Timer menu
Timer menu
Main menu
Timer:
Date:
Time:
Channel 1:
Switch-on time:
Switch-off time:
Control
Timer
Machine parameters
Service
Base load change
Display
Limit values
Configuration
Off
Off
Mon off
Tue off
Wed off
Thu off
Fri off
Sat off
Sun off
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Parameter Range of values / basic settings / notes Password
Max. machine pressure default : --,-- bar Limits the set value and discharge pressure to this value Admin
Restart interlock10 -- 600 s / default: 10 s After the main motor stops, the machine is ready to start again only after this time expires
Admin
Run-up time
3 - 30 s / default: 6 s After expiration of the run up time, the "Delta" output is activated if it is configured. In this time, the regulation is deactivated and the machine is in the unloaded state. Activatio of the run up time when main motor is started.
User
Star/delta switching time10 -- 100 msec / default: 40 msec Equalizes the actuation and cut-out times of the star/delta contactors
Superadmin
Acceleration time
1 -- 60 s / default: 1 s The startup time + acceleration time yield the release for the regulation. The machine switches into operation under load or regulates the system pressure using the speed. However, the machine requirements must be met for this. Refer also to PID Regulation chapter
Admin
Min. motor run time
0 -- 60 min / default: 2 min After the main motor is started and cut-off mode is activated (Control system --> Miscellaneous), the machine does not switch into Standby mode until the min. motor run time is expired.Requirement: Idling mode and expired run-on time.
Admin
Min. idling time
0 -- 120 s / default: 2 s Prevents the switching between idling mode and operating under load from occurring too quickly. Only after this time expires can the machine be switched back into operation under load.
Admin
Min. run-on time
30 -- 1200 s / default: 30 s When cut-off mode is activated (Control system --> Miscellaneous), the machine switches into Standby mode after this time expires (main motor off).Comment: After main motor start, the "min motor run time" must first have expired.
Admin
15. Parameter
15.1 Machine parameter menu
Menu path: Main menu --> Machine parameters
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Cut-off time
1 -- 60 s / default: 5 s After a Stop command, the main motor is switched off only after expiration of this time. During this time, the machine is in the unloaded state if there is Idling/Full load regulation.
Admin
Oil pressure delay
10 -- 60 s / default: 10 s After machine start, the monitoring of the oil pressure is activated only after this time expires. Precisely during frequency inverter operation is an adjustment possibly necessary here
User
Oil pressure 2 delay10 -- 60 s / default: 10 s Oil pressure delay of the 2nd stage. Same function as parameter "Oil pressure delay"
User
Switching cycles2 -- 60 switching cycles / hour / default: 6 / h The main motor starts per hour are counted and prevent the machine from starting when the limit is exceeded.
Admin
Pressure rate monitoring:
Yes / No / default NoWhen "Yes" is selected, the pressure rate of the machine will also be monitored. A corresponding screen is shown under the pressure measurement values.
Superadmin
Average ambient pressure
50 1500mbar / default 1000mbarThe placement height of the machine can be adjusted here
Superadmin
FanRun-on time
0 -60 min / default 0 minRun-on time of the fan after system stoppage. The assigned digital output is "Fan".
Admin
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15.2 Control menu
The control system menu comprises the following submenus:- Control- Communication- Miscellaneous
15.2.1 Regulation menuMenu path: Main menu Control Regulation
Parameter Range of values / basic settings / notes Parameter
Set pressure
-1.0 16.0 bar default : 0.5 bar
- Set value for PID regulator- If the system pressure falls below this value, the machine
switches into operation under load, the contact of the digital output "On-load" closes, and the solenoid valves are triggered.
- If the system pressure falls below this value, the machine starts from Standby mode. The parameter "Cut-off mode" must be selected under "Control system Miscellaneous".
User
Idling pressure/Max. pressure
-1.0 Maximum machine pressure (machine parameters)default : 0.7 bar
- If the system pressure exceeds this value, the machine switches into idling mode when there is load/idling regulation. The contact of the digital output On-load opens.
- If the system pressure exceeds this value, the analog speed output Pressure regulation is set to 0.
User
Speed setpoint
Auto / Manual / External default : Auto
- Auto: The internal PID controller is in Automatic mode and with the aid of the analog speed output Pressure regulation attempts to keep the system pressure constant. See also parameter Set pressure
- Manual: The internal PID controller is in Manual mode. After the start and run up of the machine, the speed can be changed using the cursor keys in the Selected value screen.
- External: The speed can be preset via an externally active 4-20mA signal. To do this, an analog input must be configured as Ext. allocation. In this context, 4mA=0%=min. speed and 20mA=100%= max. speed.
User
Pressure regulation
None / discharge side / intake sidedefault : None
- None: The PID controller is inactive- Discharge side: The internal PID controller regulates
the discharge side of the machine.- Intake side: The internal PID controller regulates the
intake side of the machine. The setting is used with vacuum machines.
User
Minimum Minimum regulation limits
Minimum regulation limitsdefault : 0%This value limits the speed at the bottom end. As a rule, this function does not have a use, because a limitation is forced on the minimum speed in the frequency converter.
User
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P-portion
0 100%default:50%The P-portion represents the proportional part of the PID controller. If this parameter is increased, then the step response (controller output or speed) with an actual value change (system pressure) is accordingly higher. The P-portion is thus only proportional to the actual value signal. P-portion = Controller response = Controller faster
User
I-portion
0 100%default:20%The I-portion represents the integral portion of the PID controller. If this parameter is increased, then the control speed of the controller output (speed) also increases when there is a regulation variance (fference between set pressure and system pressure). The I-portion is thus integrated in terms of timing with the controller output as long as there is a regulation variance.
I-portion = regulation speed = controller faster
User
D-portion
0 100%default:0%The D-portion represents the differential portion of the PID controller. The D-portion does not react to a regulation variance (difference between set pressure and system pressure), rather, only to its rate of change. Thus, the faster the system pressure changes, the higher is the controller output (speed).With normal pressure controllers, this D-portion is usually zero.D-portion = Controller response to changes in actual value = Controller faster
User
Switch-on temperatureHeating
-20 120Cdefault : 0CIf the Ambient temperature drops below this set value, the contact of the digital output Heat is closed and the heat is thereby switched on. This function is active both the when the machine is stopped and during operaiton. The following parameters absolutely must be set:
- An analog input must be parameterized to "ambient temperature".
- A digital output must be parameterized to Heat.
User
Cutoff temperatureHeating
-20 120Cdefault : 10CIf the ambient temperature increases above this set value, the contact of the digital output Heat is opened, and the heat is thereby switched off. Refer also to Heat switch-on temperature
User
Switch-on temperatureFan
-20 120Cdefault : 40CIf the ambient temperature increases above this set value, the contact of the digital output fan is closed, and the fan is thereby switched on. This function is active both the when the machine is stopped and during operaiton. The following parameters absolutely must be set:
- An analog input must be parameterized to "ambient temperature".
- A digital output must be parameterized to Fan.
User
Cutoff temperatureFan
-20 120Cdefault : 30CIf the ambient temperature drops below this set value, the contact of the digital output Fan is open and the ventilation is thus switched off. Refer also to Fan switch-on temperature
User
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15.2.2 Communication menuMenu path: Main menu Control Communication
Parameter Range of values / basic settings / notes Parameter
Address 0 31 default : 1 User
Record
Standard / Modbusdefault : Standard
- Standard: Protocol for the transfer of the firmware - Modbus: Modbus-slave-RTU protocol with RS485
interface.
User
Speed setpoint 4800 / 9600 / 19200 / 57600 / 115200 default : 19200 User
15.2.3 Miscellaneous menuMenu path: Main menu Control Miscellaneous (General control)
Parameter Range of values / basic settings / notes Parameter
Operating mode
Cut-off mode / continuous mode default : Cut-off mode
- Continuous mode: Machine switches just into operation under load and idling and not into standby mode
- Cut-off mode: In idling mode, the machine switches into standby mode after the expiration of a the after-run time (main motor off)
User
Remote load / idling
Off/Digital/ModbusProfibus/RS485Interndefault : Off
- Off: The on-load / idling regulation is determined by the system pressure and the limit values Set pressure and Idling pressure.
- Digital: The operation under load is determined as a function of the digital input Remote on-load/idling. With the logic NO, the operation under load is executed with signal value 1.
- Modbus/Profibus: The on-load/idling operation depends on the communication. Two bits are needed for this purpose. One bit as basic enabling 1 and the other bit for on-load operation 1 and idling 0. See additional Modbus or Profibus list
- RS485/internal: Only for integrated control
User
Remote On / Off
Off/Digital/RS485Profibusdefault : Off
- Off: The starting and stopping of the machine is done locally with the keys on the control module
- Digital: The machine is started and stopped as a function of a digital input Remote On/Off. With the NO logic, the machine is started with a 1 signal
- Modbus/Profibus: Starting and stopping is done via the communication. Two bits are required for this. One bit as basic enabling 1 and the other bit for starting 1 and stopping 0. See additional Modbus or Profibus list
User
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Automatic Restart
No / yes default : No
- Yes: When there is a control voltage outage, the machine is automatically started after power is restored and the expiration of the restart delay.
User
Restart delay
10 600 s default : 60s After expiration of the set time, the machine is automatically restarted if the parameter Automatic Restart is set to Yes.
User
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15.3 Service menu
The control system menu comprises the following submenus:- Maintenance intervals (visible as User)- Acknowledge maintenance (visible as User)- Fault registry (visible as User)- Hours counter (visible as Admin)- Load factory setting (visible as Admin)- Parameter history (visible as Admin)- Save factory setting (visible as Superadmin)
15.3.1 Maintenance intervals menuMenu path: Main menu Service Maintenance intervals
Parameter Range of values / basic settings / notes Parameter
Maintenance intervalIntakefilter
0 30000 h default : 0 hCheck filter soiling and replace filter element as needed.
Admin
Maintenance intervalpress. Filter element
0 30000 h default : 0 hEarlier when the pressure loss is increasing.
Admin
Maintenance intervalSupply/exhaust air
0 30000 h default : 0 hCheck intake/exhaust openings of the sound enclosure and clean as required
Admin
Maintenance intervalV-belt
0 30000 h default : 0 hCheck condition of V-belt and replace if necessary.Check alignment of V-belt. Correct as needed.
Admin
Maintenance intervalCoupling
0 30000 h default : 0 hCheck coupling pins, compression sleeves and replace if necessary.Check coupling alignment and correct as required.
Admin
Maintenance intervalPressure valve
0 30000 h default : 0 hCheck operation of pressure valve.
Admin
Maintenance intervalLubricating oil
0 30000 h default : 0 hChange lubricating oil
Admin
Maintenance intervalOilfilter
0 30000 h default : 0 hReplace oil filter
Admin
Maintenance intervalCheck valve
0 30000 h default : 0 hCheck the check valve for wear and leaks.
Admin
Maintenance intervalOil separator
0 30000 h default : 0 hClean cooling fins, wire mesh and oil mist separator.
Admin
Maintenance intervalWater cooling
0 30000 h default : 0 hClean heat exchanger / water cooling pipe bundle
Admin
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Maintenance intervalSteam trap
0 30000 h default : 0 hCheck and clean steam trap.
Admin
Maintenance interval1. Maintenance
0 30000 h default : 0 hSee operating and installation manual of the stage or assembly.
Admin
Maintenance intervalMain inspection
0 30000 h default : 0 hMain inspection / Maintenance check / Replacement of spare parts and wear parts. Review of the complete machine.
Admin
Maintenance intervalMotor
0 30000 h default : 0 hBearing, relubrication (grease types), condensate drain
Admin
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15.3.2 Acknowledge maintenance menuMenu path: Main menu Service Acknowledge maintenance (maintenance acknowledgement)
Parameter Range of values / basic settings / notes Parameter
Maintenance counterIntakefilter
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterpress. Filter element
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterSupply/exhaust air
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterV-belt
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterCoupling
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterPressure valve
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterLubricating oil
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterOilfilter
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterCheck valve
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterOil separator
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterWater cooling
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterSteam trap
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
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Maintenance counter1. Maintenance
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to zero and
does not start over. The first maintenance is performed only once.
User
Maintenance counterMain inspection
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
Maintenance counterMotor
ResetBlue Resetting the maintenance counter is not requiredYellow The maintenance counter is reset to the specified value under
"Maintenenance interval" reset and starts over.
User
15.3.3 Fault registry menuMenu path: Main menu Service Fault registry
Up to 100 malfunction and maintenance messages can be stored in the fault registry.For each message are stored the message number, the message text, the time stamp and a yellow warning or red malfunction symbol. Pressing on the corresponding symbol opens an additional information page in which all values at the time of the occurrence are stored.Detailed information is available in the fault registry chapter.
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15.3.4 Hours counter menuMenu path: Main menu Service Hours counter
Parameter Range of values / basic settings / notes Parameter
Operating hoursCurrent status of the operating hoursIndicates the current operating hours. Pressing on the hours opens an input window and the value can be changed.
Admin
Load hoursCurrent status of the operating hoursIndicates the current on-load hours. Pressing on the hours opens an input window and the value can be changed.
Admin
Rental machine
No / yesdefault : No
- No: No additional operating hours counter for rental machines
- Yes: An additional operating hours counter is activated and displayed in the Operating times screen.
Admin
Rental hours ResetPressing it makes the rental hours counter reset to zero. Admin
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15.3.5 Load factory setting menuMenu path: Main menu Service Load factory setting
The configuration stored under Save factory setting can be reloaded via this function.The menu item is shown if the user has logged on as Admin and previously the configuration also had actually been saved.After printing the menu item, the following warning appears:
Attention: All previous settings are thereby overwritten
The loading of the factory setting can be interrupted by leaving the page or started via the Load button. In this case, the Load factory setting message appears after the loading
15.3.6 Parameter history menuMenu path: Main menu Service Parameter history
In the Parameter history, all changes of the setting are documented and saved. In addition to the date and time, the designation of the parameter, the original value and new one are saved.
15.3.7 Save factory setting menuMenu path: Main menu Service Save factory setting
This menu item appears only if the user has logged on as Superadmin.After this menu item is pressed, the following warning appears:
Save factory setting?
The saving of the factory setting can be interrupted by leaving the page or started via the Save button. In this case, the Save factory setting message appears after the saving operation.After the initial save, the button Load factory setting appears in the Service menu
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15.4 Limit values menu
Menu path: Main menu Limit values
Parameter Range of values / basic settings / notes Parameter
Suction pressure warning -0.05 0.50 bar / -0.99 1.00 bar / -0.99 5.00default : -0.04 bar Admin
Suction pressure warningdelay
0 15 s default : 1 s Admin
Suction pressure fault -0.05 0.50 bar / -0.99 1.00 bar / -0.99 5.00default : -0.04 bar Admin
Suction pressure faultdelay
0 15 s default : 1 s Admin
Warning ambient temperature Lo
-20 60 C default : -10 C Admin
Warning ambient temperature Lo delay
0 15 s default : 1 s Admin
Warning ambient temperature Hi
-0 300 C default : 40 C. Admin
Warning ambient temperature Hi
0 15 s default : 1 s Admin
Warning discharge pressure -0.40 1.60 bar / -1.00 5.00 bar / -1.00 16.00 bardefault : 1.0 bar Admin
Warning discharge pressuredelay
0 15 s default : 1 s Admin
Discharge pressure fault -0.40 1.60 bar / -1.00 5.00 bar / -1.00 16.00 bardefault : 1.2 bar Admin
Discharge pressure faultdelay
0 15 s default : 1 s Admin
Warning discharge temperature
0 300 C default : 200 C Admin
Warning discharge temperaturedelay
0 15 s default : 1 s Admin
Malfunction discharge temperature
0 300 C default : 210 C Admin
Malfunction discharge temperaturedelay
0 15 s default : 1 s Admin
Oil pressure warning -1.0 5.0 bar default : 2.5 bar Admin
Oil pressure warningdelay
0 15 s default : 1 s Admin
Malfunction oil pressure -1.0 5.0 bar default : 2.0 bar Admin
Malfunction oil pressuredelay
0 15 s default : 1 s Admin
Warning oil temperature 0 300 C default : 50 C Admin
Warning oil temperaturedelay
0 15 s default : 1 s Admin
Malfunction oil temperature 0 300 C default : 60 C Admin
Malfunction oil temperaturedelay
0 15 s default : 1 s Admin
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Warning system temperature 0 300 C default : 0 C Admin
Warning system temperaturedelay
0 15 s default : 1 s Admin
Malfunction system temperature
0 300 C default : 0 C Admin
Malfunction system temperaturedelay
0 15 s default : 1 s Admin
Suction temperature warning 2
0 300 C default : 0 C Admin
Suction temperature warning 2delay
0 15 s default : 1 s Admin
Malfunction intake temp. 2 0 300 Cdefault : 0 C Admin
Malfunction intake temp. 2delay
0 15 s default : 1 s Admin
Warning discharge pressure 2
-1.0 5.0 bar default : 0 bar Admin
Warning discharge pressure 2delay
0 15 s default : 1 s Admin
Malfunction discharge pressure 2
-1.0 5.0 bar default : 0 bar Admin
Malfunction discharge pressure 2delay
0 15 s default : 1 s Admin
Warning discharge temperature 2
0 300 C default : 0 C Admin
Warning discharge temperature 2delay
0 15 s default : 1 s Admin
Malfunction discharge temperature 2
0 300 C default : 0 C Admin
Malfunction discharge temperature 2delay
0 15 s default : 1 s Admin
Oil pressure 2 warning -1.0 5.0 bar default : 0.0 bar Admin
Oil pressure 2 warningdelay
0 15 s default : 1 s Admin
Oil pressure 2 fault -1.0 5.0 bar default : 0.0 bar Admin
Oil pressure 2 faultdelay
0 15 s default : 1 s Admin
Warning oil temperature 2 0 300 C default : 0 C Admin
Warning oil temperature 2delay
0 15 s default : 1 s Admin
Malfunction oil temperature 2 0 300 C default : 0 C Admin
Malfunction oil temperature 2delay
0 15 s default : 1 s Admin
Speed warning 0 12000 rpm default : 0 rpm Admin
Speed warningdelay
0 15 s default : 1 s Admin
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Malfunction speed 0 12000 rpm default : 0 rpm Admin
Malfunction speeddelay
0 15 s default : 1 s Admin
Warning oil level Lo 0 100 % default : 0 % Admin
Warning oil level Lodelay
0 15 s default : 1 s Admin
Malfunction oil level Lo 0 100 % default : 0 % Admin
Malfunction oil level Lodelay
0 15 s default : 1 s Admin
Warning Oil level Hi 0 100 % default : 0 % Admin
Warning Oil level Hidelay
0 15 s default : 1 s Admin
Malfunction oil level Hi 0 100 % default : 0 % Admin
Malfunction oil level Hidelay
0 15 s default : 1 s Admin
Warning pressure rate 1,00 5,00default : 0,00 Admin
Warning pressure ratedelay
0 15 s default : 1 s Admin
Malfunction pressure rate 1,00 5,00default : 0,00 Admin
Malfunction pressure ratedelay
0 15 s default : 1 s Admin
Warning vibration 1S1 0 100 %default : 0,00 Admin
Warning vibration 1S1delay
0 15 s default : 1 s Admin
Fault vibration 1S1 0 100 %default : 0,00 Admin
Fault vibration 1S1delay
0 15 s default : 1 s Admin
Warning vibration 1S2 0 100 %default : 0,00 Admin
Warning vibration 1S2delay
0 15 s default : 1 s Admin
Malfunction vibration 1S2 0 100 %default : 0,00 Admin
Malfunction vibration 1S2delay
0 15 s default : 1 s Admin
Warning vibration G1 0 100 %default : 0,00 Admin
Warning vibration G1delay
0 15 s default : 1 s Admin
Malfunction vibration G1 0 100 %default : 0,00 Admin
Malfunction vibration G1delay
0 15 s default : 1 s Admin
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Warning vibration G2 0 100 %default : 0,00 Admin
Warning vibration G2delay
0 15 s default : 1 s Admin
Malfunction vibration G2 0 100 %default : 0,00 Admin
Malfunction vibration G2delay
0 15 s default : 1 s Admin
Warning vibration 3S1 0 100 %default : 0,00 Admin
Warning vibration 3S1delay
0 15 s default : 1 s Admin
Malfunction vibration 3S1 0 100 %default : 0,00 Admin
Malfunction vibration 3S1delay
0 15 s default : 1 s Admin
Warning vibration 3S2 0 100 %default : 0,00 Admin
Warning vibration 3S2delay
0 15 s default : 1 s Admin
Malfunction vibration 3S2 0 100 %default : 0,00 Admin
Malfunction vibration 3S2delay
0 15 s default : 1 s Admin
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15.5 Display menu
The menu comprises the following submenus:- Limits trend graph - Units - Cleaning display - Screensaver
15.5.1 Trend graphs menuMenu path: Main menu Display Limits trend graph
All measured values that are displayed on the AERtronic AS 300 can also be graphically displayed over a period of time (trend graph). The upper and lower limits of the trend graphs are set in this menu.
Parameter Range of values / basic settings / notes Parameter
System pressure graphlower value
-0.50 16.00 bar default : 0.00 bar User
System pressure graphupper value
-0.50 16.00 bar default : 16.00 bar User
Discharge pressure (1) graphlower value
-0.00 5.00 bar default : 0.00 bar User
Discharge pressure (1) graphupper value
-0.00 5.00 bar default : 5.00 bar User
Graph discharge pressure 2lower value
-0.50 16.00 bar default : 0.00 bar User
Graph discharge pressure 2upper value
-0.50 16.00 bar default : 16.00 bar User
Oil pressure graph (1)lower value
-0.00 5.00 bar default : 0.00 bar User
Oil pressure graph (1)upper value
-0.00 5.00 bar default : 5.00 bar User
Oil pressure graph 2lower value
-0.00 5.00 bar default : 0.00 bar User
Oil pressure graph 2upper value
-0.00 5.00 bar default : 5.00 bar User
Suction pressure graphlower value
-0.50 1.00 bar default : -0.50 bar User
Suction pressure graphupper value
-0.50 1.00 bar default : 1.00 bar User
Graph ambient temp.lower value
-50 300 Cdefault : -50 C User
Graph ambient temp.upper value
-50 300 Cdefault : 300 C User
Graph discharge temperature (1)lower value
-50 300 Cdefault : -50 C User
Graph discharge temperature (1)upper value
-50 300 Cdefault : 300 C User
Graph end temperature 2lower value
-50 300 Cdefault : -50 C User
Graph end temperature 2upper value
-50 300 Cdefault : 300 C User
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Graph oil temperature (1)lower value
-50 300 Cdefault : -50 C User
Graph oil temperature (1)upper value
-50 300 Cdefault : 300 C User
Graph oil temperature 2lower value
-50 300 Cdefault : -50 C User
Graph oil temperature 2upper value
-50 300 Cdefault : 300 C User
Graph intake temperature 2lower value
-50 300 Cdefault : -50 C User
Graph intake temperature 2upper value
-50 300 Cdefault : 300 C User
Graph system temperaturelower value
-50 300 Cdefault : -50 C User
Graph system temperatureupper value
-50 300 Cdefault : 300 C User
Rotary speed graphlower value
0 12000 rpmdefault : 0 rpm User
Rotary speed graphupper value
0 100 %default : 0 % User
Vibration graphlower value
0 100 %default : 100 % User
Selected value graphupper value
0 100 %default : 0 % User
Selected value graphlower value
0 100 %default : 100 % User
Oil level graphupper value
0 100 %default : 0 % User
Oil level graphlower value
0 100 %default : 100 % User
Graph pressure rateupper value
1,0 5,0default : 1,0 User
Graph pressure ratelower value
1,0 5,0default : 5,0 User
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15.5.2 Units menuMenu path: Main menu Display Units
Parameter Range of values / basic settings / notes Parameter
Pressure unit Bar / PSIdefault : Bar User
Temperature unit C / Fdefault : C User
15.5.3 Cleaning display menuMenu path: Main menu Display Cleaning display
Screen block for cleaning the display.After pressing this menu item, the following message appears on the screen
"Attention: After starting this function the control system can no longer
be operated for 1 minute.
Pressing the Start button starts the timer, and the display can then be cleaned with a soft cloth.
15.5.4 Screen saver menuMenu path: Main menu Display Screen saver
Parameter Range of values / basic settings / notes Parameter
Screensaver Yes / Nodefault : yes User
Screensaverdelay
0 99 mindefault : 5 minIf there is no activity on the display in this period, the screen saver is activated.
User
Default brightness20 100 %default : 80 %Brightness of the display during use.
User
Brightness scr. saver
0 100 %default : 20 %Brightness of the display when the screen saver is activated.
User
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15.6 Configurationmenu
The Configuration menu contains the following submenu:- Function selection- Module selection- Digital inputs- Digital outputs- Analog inputs- Analog outputs
.6.1 Men FunktionsauswahlMenu path: Main menu Configuration Function selection
Parameter Range of values / basic settings / notes Parameter
Machine type
Blower / compr. 1-stage / compr. 2-stage default : BlowerThe AERtronic AS 300 control system can control both blowers and 1- to 2-stage compressors. This function selection is used to make a basic selection of the modules and the configurable inputs and outputs.
Superadmin
Motor activation
None / Line / Star/Deltadefault : None
- None: The motor activation (star/stop) is not assigned to any digital outputs. This must then be configured under the menu item "Configuration digital outputs".
- Net: The motor activation (start/stop) is permanently assigned to the digital output A01-DO1. The parameter "Net" in the "Configuration digital outputs" menu can then no longer be modified.
- Star/delta: The activation of system protection is permanently assigned to the digital output A01-DO1. A permanent assignment to the digital outputs on the additional module EM0 is also made. In this context, the output A02-DO1 takes over activation of the star contact and A02-DO2 the activation of the delta contact. The parameters "Net", Star", Delta" can no longer be modified in the "Configuration digital outputs" menu.
Superadmin
Speed measurement
No / yes default : No
- No: The speed measurement is deactivated.- Yes: The Namur input on the base module is
activated for rotational speed measurement.
Superadmin
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15.6.2 Module selection menuMenu path: Main menu Configuration Module selection
The installed modules of the control system are assigned in this menu.In principle, 5 different modules can be selected.
- EMO = 3 x Digital Input3 x Digital Output (relay)1 x Analog Input (4-20mAl)2 x Analog Input (PT1000, -50300C)
- EM1 = 8 x Digital Input4 x Digital Output (relay)
- EM2 = 4 x Digital Output (relay)2 x Analog Input (PT1000, -50300C)2 x Analog Input (4-20mA)
- EM3 = 4 x Digital Input2 x Analog Input (PT1000, -50300C)2 x Analog Input (4-20mA)
- EM4 = 4 x Analog Output (4-20mA, 0-5V, 0-10V)
- EM5 = Profibus module
Attention: The DIP switches located on the side of the module must correspond to the module type addresses. To do this, the first five DIP switches are used.Example: Module EM3 is configured for module type address 5. The DIP switches must be set as follows:
1 2 4 8 16 Value DIP switch / 1 + 4 = 5onoff
1 2 3 4 5 6 7 8 9 10 DIP switch sequence
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Parameter Range of values / basic settings / notes Parameter
I/O module address 1Base moduledefault : Module is permanently assigned, change is not possible
User
I/O module address 2 No module / module EM0default : no module Superadmin
I/O module address 3 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 4 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 5 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 6 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 7 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 8 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 9 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 10 No module / module EM1 / module EM2 / module EM3default : no module Superadmin
I/O module address 11 No module / module EM4default : no module Superadmin
I/O module address 12 No module / module EM4default : no module Superadmin
ModuletypeProfibus Nomodule/ProfibusG2default : no module Superadmin
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15.6.3 Digital inputs menuMenu path: Main menu Configuration Digital inputs
Parameter Range of values / basic settings / notes Parameter
Base moduleA01-DI1 (not shown, because permanently reserved for Emergency Stop)A01-DI2A01-DI3
Module EM0A02-DI1A02-DI2A03-DI3
Module EM1Possible addresses A03 to A10DI1DI2DI3DI4
Module EM3Possible addresses A03 to A10DI1DI2DI3DI4
- Free: No function selected- Remote On/Off: External start command for
starting the machine. This function is only active if the parameter Remote On/Off" in the "Main menu Control system Various" is set to "Digital". With a 1 on this input and the logic function NO, the start command for the main motor would be output at the digital output Net (closed contact). However, the requirement is that the machine signals that it is ready to turn on. (No alarms, no malfunctions, no start block and no blocking due to too many starts/hours may be active). When there is a 0, the start command for the main motor is reset accordingly.
- Remote load/idling: When there is load/idling regulation, the machine is switched into operation under load via this digital input. This function is only active if the parameter Remote load/idle" in the "Main menu Control system Various" is set to "Digital". With a 1 on this input and the logic function NO, the machine would switch into operation under load. When there is a 0 there is a switch accordingly into idling mode.
- BLC ready: The input is used in BLC=Base Load Change switching and is configured for the slave machine. This input must be associated with the output Malfunction from the master machine. The BLC ready input causes the slave machine to engage without delay when there is a malfunction in the master machine. The function of the input with the logic NO is as follows:
- Input "1" No switch-on in BLC- - Input "0" Starting the machine in BLC- Motor current: This input outputs a malfunction
message "E003 Main motor overload" and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Fanflow: This input outputs a malfunction message "E005 Fan, and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message Oil mist separator: This input outputs a
malfunction message "E006 Separator, and switches off the running machine.
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Parameter Range of values / basic settings / notes Parameter
In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Oil mist separator 2: This input outputs a malfunction message "E007 Separator 2, and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Oil pump: This input outputs a malfunction message "E008 Oil pump, and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Vibration: This input outputs a malfunction message "E009 Vibration, and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Diagnosis: This input outputs a malfunction message "E010 Machine diagnosis, and switches off the running machine. In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No fault message - Input "0" Fault message
- Coolingwaterflow: This input outputs a warning message "A019Coolingwaterflow". In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No warning message - Input "0" Warning message
- Steam trap 1: This input outputs a warning message "A020 Condensation drain 1". The activation of the monitoring is delayed for 15 seconds, after which time the machine has switched into Load mode. During a stoppage and in idling mode, the monitoring is suppressed. If the input is configured, but not used, a fixed wire jumper must be installed if necessary (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No warning message - Input "0" Warning message under load
Steam trap 2: This input outputs a warning message "A021 Condensation drain 2". The activation of the monitoring is delayed for 15 seconds, after which time the machine has switched into Load mode. During a stoppage and in idling mode, the monitoring is suppressed.
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Parameter Range of values / basic settings / notes Parameter
- If the input is configured:- configured, but not used, a fixed wire jumper must be
installed if necessary (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No warning message - Input "0" Warning message under load
- Aftercooler 1: This input outputs a warning message "A022 Aftercooler 1". In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No warning message - Input "0" Warning message
- Aftercooler 2: This input outputs a warning message "A023 Aftercooler 2". In the stopped state, the start readiness is blocked If the input is not being used, a fixed wire jumper must be set in place (see circuit diagram). The function of the input with the logic "NC" is as follows:
- Input "1" No warning message - Input "0" Warning message
- Priority idle When there is load/idling regulation, the machine is compelled to switch into idling mode via this digital input. This input has priority over the internal load/idling regulation The function when NO logic is used, is as follows:
- Input "1" Operation under load possible - Input "0" Idling
default : Open
Logic of the digital inputs
NC / NOdefault : NCBy pressing the button, the logic of the digital inputs are switched.
User
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15.6.4 Digital outputs menuMenu path: Main menu Configuration Digital outputs
The digital outputs are relay contacts and can be loaded with a maximum of 250V AC and 4A.
Parameter Range of values / basic settings / notes Parameter
Base moduleA01-DO1
Module EM0A02-DO1A02-DO2A03-DO3
Module EM1Possible addresses A03 to A10DO1DO2DO3DO4
Module EM2Possible addresses A03 to A10DO1DO2DO3DO4
- Free: No function selected- Motor On: This function of the output is the same
as the function of the permanenly assigned output Net. With this relay contact, the main motor must be switched on and off.
- Contact closed Main motor start - Contact opened Main motor stop
- Load valve: The output switches the machine into operation under load.
- - Contact closed Operation under load- - Contact open Idling mode- Oil pump: The output switches an electric oil
pump on and off. With the Start/Stop Main Motor, the oil pump is also started and stopped.
- - Contact closed Oil pump start- - Contact opened Oil pump stop- Heating: An electrical heater switches on and
off as a function of the control parameters Heat switch-on temperature and Heat cut-off temperature. The parameter can be found in the "Main menu" Control system" Regulation" .
- - Contact closed Heat on- - Contact open Heat off- Maintenance: The output gives information about
maintenance to be performed.- - Contact closed Maintenance required
- Contact open No maintenance active- Warning: The output gives information about
the pending warning. Warnings do not cause a shutdown of a running machine, but block restart when the machine is stopped.
- - Contact closed Warning active - Contact open No warning active
- Malfunction: The output gives information about the pending malfunction. Malfunctions do not cause a shutdown of a running machine or of the main motor and block restart when the machine is stopped.
- - Contact closed Malfunction active - Contact open No malfunction active
- Ready: The output gives information about the readiness of the machine to start. The machine is ready to start if no warning is active, no shutdown is active, the restart delay time has expired and no starting block due to too many starts/hours is pending. The machine may only be started if the contact of the Ready output is closed. During operation of the machine, the contact remains closed and opens only after a machine stop (normal cut-off or malfunction active).
- - Contact closed Ready to start - Contact open Not ready to start
- Operation: The output represents the running message of the machine.
- - Contact closed Machine is running - Contact open Machine stoppage
- On-load: The solenoid valves of the load/idle regulation are activated with this output.
- - Contact closed Operation under load - Contact open Idling mode
Remote: The output gives information about the operating location. (Refer to parameter Remote On/Off" in the menu "Main menu" Control system"
Admin
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Parameter Range of values / basic settings / notes Parameter
- Different)- - Contact closed Remote
- Contact open Place / Panel / Local- Oil separator: Switches an electrical oil mist
separator on and off. With main motor start/stop, the oil mist separator is also started and stopped
- - Contact closed Oil separator start - Contact opened Oil separator stop
- Steam trap 1: Switches an electrical Bekomat drain or condensate separator on and off. The output is activated only in Load mode of the machine.
- - Contact closed Separator 1 on - Contact opened Separator 1 off
- Steam trap 2: Switches an electrical Bekomat drain or condensate separator on and off. The output is activated only in Load mode of the machine.
- - Contact closed Separator 1 on - Contact opened Separator 1 off
- Aftercooler: Switches the fan of an electrical aftercooler on and off. With main motor start/stop, also the aftercooler is started and stopped.
- - Contact closed Aftercooler start- - Contact opened Aftercooler stop- Steam trap warning: This output issues a
warning message if a warning of the steam trap 1 or 2 is active.
- - Contact closed Warning active- - Contact open No warning- Aftercooler warning: This output issues a
warning message if a warning of the aftercooler is active.
- - Contact closed Warning active- - Contact open No warning
Comment:For parameterised motor activation type (Main menu Configuration Function selection) the first 3 digital outputs are permanently assigned under certain circumstances and cannot be changed. A01-DO1 = Net (with motor control type Net and Star/Delta)A02-DO1 = "Star" (with motor control type "Star/delta")A02-DO2 = "Delta" (with motor control type "Star/delta")
default : Open
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15.6.5 Analogue inputs menuMenu path: Main menu Configuration Analogue inputsParameter Range of values / basic settings / notes Parameter
Base moduleA01-AI1
Free / oil level default : Open
- Free: No oil level measurement.- Oil level: Activates the oil level measurement.
- min: -100 200% / Limit for the lower value at 0.5V
- max: -100 200% / Limit for the highest value at 4.5V
Admin
Base moduleA01-AI2A01-AI3
Module EM0A02-AI1
Module EM2Possible addresses A03 to A10AI1AI2
Module EM3Possible addresses A03 to A10AI1AI2
- Free: No measurement active.- Std intake pressure: Measuring range -0.50
0.50 bar standard intake pressure measurement.- VD intake pressure: Measuring range
-1.00 1.00 bar compressor intake pressure measurement
- VDV intake pressure: : Measuring range -1.00 5.00 bar compressor intake pressure measurement with admission pressure- Discharge pressure std: Measuring range depends on machine type ("Main menu" "Configuration" "Function selection"): Blower = -0.40 1.60 bar "Compr. 1 stage = -1.00 5.00 bar "Compr. 2 stage = -1.00 5.00 bar
- Discharge VDV: Measuring range 0.00 16.00 bar compressor discharge pressure measurement with admission pressure.
- Oil pressure: Measuring range -1.00 5.00 bar- System pressure: Measuring range depends on
machine type ("Main menu" "Configuration" "Function selection"):Blower = -0.40 1.60 bar"Compr. 1 stage = -1.00 16.00 bar"Compr. 2 stage = -1.00 16.00 bar
- External set value: An external speed preset can be made at this analog output. In so doing, the parameter Speed set point must be set to External. The parameter can be found in the "Main menu" Control system" Regulation" . If this function is selected, the speed is read in at the input and output again at the Pressure regulation output. Comment: During a stoppage and in idling mode, the monitoring outputs basically 4mA (minimum speed) an external pre-set is not possible in this case.
- Oil pressure 2: Measuring range -1.00 5.00 bar oil pressure measurement of the 2nd stage
- Discharge pressure 2: Measuring range 0.00 16.00 bar discharge pressure measurement of the 2nd stage
- Vibration 1S1: Measuring range 0 1.00 % Vibration measurement 1 of the 1st stage
- Vibration 1S2: Measuring range 0 1.00 % Vibration measurement 1 of the 1st stage
- Vibration G1: Measuring range 0 1.00 % Vibration measurement 1 of the 1st stage
- Vibration G2: Measuring range 0 1.00 % Vibration measurement 2 of the 1st stage
- Vibration 3S1: Measuring range 0 1.00 % Vibration measurement 3 of the 1st stage
- Vibration 3S2: Measuring range 0 1.00 % Vibration measurement 1 of the 1st stage
default : Open
Admin
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Module EM0A02-AI2A02-AI3
Module EM2Possible addresses A03 to A10AI3AI4
Module EM3Possible addresses A03 to A10AI3AI4
- Free: No measurement active.- Ambient temperature: Measuring range -50
300 C. The sound enclosure heat, for example, is switched on and off as a function of this temperature.
- Oil temperature 1: Measuring range -50 3000 C oil temperature of the 1st stage
- Discharge temperature 1: Measuring range -50 300 C discharge temperature of the 1st stage
- Intake temperature 2: Measuring range -50 300 C intake temperature of the 2nd stage
- Oil temperature 2: Measuring range -50 3000 C oil temperature of the 1st stage
- Discharge temperature 2: Measuring range -50 300 C discharge temperature of the 1st stage
- System temperature: Measuring range -50 300 C temperature measurement at the output of the machine
default : Open
Superadmin
15.6.6 Analogue outputs menuMenu path: Main menu Configuration Analogue outputs
Parameter Range of values / basic settings / notes Parameter
Module EM4A10-AO1A10-AO2A11-AO1A11-AO2
- Free: No output is activated.- Intake pressure: Outputs the current value of the
intake pressure. The measuring range is the same as that which was configured under the analog Intake pressure inputs.
- Discharge pressure: Outputs the current value of the discharge pressure. The measuring range is the same as that which was configured under the analog Discharge pressure inputs.
- System pressure: Outputs the current value of the discharge pressure. The measuring range is the same as that which was configured under the analog System pressure inputs.
- Oil pressure: Outputs the current value of the oil pressure. The measuring range is 1.00 5.00 bar
- Vibration: Outputs the current value of the vibration. The measuring range is 0 100 %.
- Discharge temperature: Outputs the current discharge temperature. The measuring range is -50 300 C
- Oil temperature: Outputs the current discharge temperature. The measuring range is -50 300 C
- Pressure regulation:Emits the manipulated variable of the PID controller 0 100 %. This is generally the speed preset for a frequency converter and is between the minimum and maximum speed. This results in 0 % min. speed and 100 % max. speed. When the machine is stopped and also during idling mode, 0 % is always output. (see also menu item PID controller)
default : Open
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16. Connection of the control system
16. Connection of the supply voltage
Connection example with a AC400500V 50/ 60Hz power supply.
Connection example with a AC100240V 50/ 60Hz power supply.
Comment: The two connections that are indicated are to be seen as an example. The exact connection of the supply voltage can be taken from the respective circuit diagram.
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16.2 Connection example for the digital inputs
A42: A01-DI1 EMERGENCY STOP permanently assigned input for the connection of an EMERGENCY STOP device supplied by the customer. If this input is not used, a wire jumper should be installed from X3.1 to X3.2, because otherwise the fault message E002 Emergency Stop is active. Note: The input does not correspond to the EMERGENCY STOP function according to DIN EN 60204-1
A42: A01-DI2 Input for motor protection device of the main motor, 0-signal triggers a cut-off or malfunction. If this input is not used, a wire jumper should be installed from X3.1 to X3.3, because otherwise the fault message E003 Main motor overload is active.
A42: A01-DI3 Remote start / stop of the rotary piston machine, 1-Signal = Start, 0-Signal = Stop.
Comment: If the machine fails due to a malfunction, the start signal must be set to 0. If all faults are cleared and the machine is ready to start again, it is possible to restart via this digital input. This prevents an inadvertent starting of the machine after a malfunction is acknowledged.
Attention: The illustration is only one wiring example. The exact wiring can be seen in the respective circuit diagram.
The exact descriptions of the digital inputs are given in the chapter (Parameters Configuration Digital inputs).
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Attention: The illustration is only one wiring example. The exact wiring can be seen in the respective circuit diagram.
The exact descriptions of the digital outputs are given in the chapter (Parameters Configuration Digital outputs).
16.3 Connection example for the digital outputs
A42: A01-DO1 Line protection, with the closed contact at this relay output, the main motor absolutely must be started. If the contact is open, the main motor absolutely must be stopped or switched off.
A45: A02-DO1 Collective fault message, contact closed if there is no malfunction. Contact open with pending malfunction also results in an open Line protection contact. The main motor is switched off.
A45: A02-DO2 Collective warning message, contact closed if there is no malfunction. Contact open with a warning pending has no effect on the Line protection output while the machine is running but prevents the restart when stopped.
A45: A02-DO3 Message of readiness for operation, contact closed if there is no warning / no malfunction / no starting block. With the closed contact, the machine is ready to start. Important: The contact also remains closed when the machine is running and opens only when there is a malfunction or a stop command.
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16.4 Connection example for activating a frequency converter
A47: A04-AI1 System pressure, actual value for PID controller. If the controller is activated (refer to menu Regulation with PID controller), an attempt is made using the analog output Set value frequency converter to keep the system pressure equal to the set pressure. Example: If the system pressure falls below the set pressure , the speedpreset is increased If the system pressure increases above the set pressure, thespeed preset is reduced
A47: A04-AI2 If the speed preset is not to be made via the internal PID controller, they can also be externally predetermined. In so doing the parameter Speed set point" must be set in the menu (Main menu Control system Regulation) to external. Then the speed preset is carried out by the AERtronic and at this analog input and output again at the A011-A01 output.
Attention: A speed preset is not possible in idling mode and with the machine turned off.
A51: A011-AO1 Frequency converter set value, the speed for the frequency converter is preset here. The output signal 4mA 20mA presets the minimum maximum speed in the range. This means a mandatorily required limitation of the minimum and maximum speed in the frequency converter. Operation outside of these speeds would result in damage to the machine.
Attention: In idling mode and with the machine switched off, 4mA (0%) is output. The analog output emits the correct signal only after the engine is started and up to speed.
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Attention: The illustration is only one wiring example. The exact wiring can be seen in the respective circuit diagram.
The exact descriptions of the analog inputs and outputs are given in the chapter (Parameter Configuration Analog inputs / analog outputs).
Exact descriptions of the digital outputs are given in the chapter (Parameters Control system Regulation). Additional explanations about the PID controller are in the corresponding menu item.
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17. Fault / malfunction messages
If a new malfunction message is present, the screen background in the display is red and flashing. If the message was acknowledged, the display stops flashing but remains continuously red until the cause of the error has been eliminated. The assembly is switched off immediately.
The message number of a malfunction message always starts with E.
ErrorCodes
Designation Note
E001 Power outage Power outage, message appears after the voltage is restored
E002 Emergency OFF EMERGENCY OFF was pressed
E003 Main motor overload
The corresponding digital input has triggered.
E004 Main motor excess temperatureE005 FanE006 SeparatorE007 Separator 2E008 Oil pumpE009 Vibration:E010 Machine diagnostics
E011E016 Reserved
E017 Suction pressure Measured value < limit value LLE018 Pressure rate Calculated value > Limit value HHE019 Discharge pressure Measured value < limit value HHE020 Discharge temperature Measured value < limit value HHE021 System temperature Measured value < limit value HHE022 Oil pressure Measured value < limit value LLE023 Oil temperature Measured value < limit value HHE024 Suction temperature 2 Measured value < limit value HHE025 Discharge pressure 2 Measured value < limit value HHE026 Discharge temperature 2 Measured value < limit value HHE027 Oil pressure 2 Measured value < limit value LLE028 Oil temperature 2 Measured value < limit value HHE029 E030 Speed Measured value < limit value LLE031 Oil level Lo Measured value < limit value LLE032 Oil level Hi Measured value < limit value HH
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ErrorCodes
Designation Note
E033 Intake pressure sensor
Sensor or senor line malfunction
E034 Ambient temperature sensorE035 Discharge pressure sensorE036 Discharge temperature sensorE037 System pressure sensorE038 System temperature 2 sensorE039 Oil pressure sensorE040 Oil temperature sensorE041 Intake temperature 2 sensorE042 Discharge pressure sensor 2E043 Discharge temperature sensor 2E044 Oil pressure sensor 2E045 Oil temperature sensor 2E046 Speed sensorE047E048 External set valueE049 Oil level sensorE050E051E052
E053 Vibration 1S1 Measured value < limit value HHE054 Vibration G1 Measured value < limit value HHE055 Vibration 3S1 Measured value < limit value HHE056 Vibration 1S2 Measured value < limit value HHE057 Vibration G2 Measured value < limit value HHE058 Vibration 3S2 Measured value < limit value HH
E059 Sensor vibration 1S1E060 Vibration sensor G1E061 Sensor vibration 3S1 Sensor or senor line malfunctionE062 Sensor vibration 1S2E063 Vibration sensor G2E064 Sensor vibration 3S2
E065 E080 Reserved
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ErrorCodes
Designation Note
E081 I/O module address 1
Module or communication with the module disrupted.
E082 I/O module address 2E083 I/O module address 3E084 I/O module address 4E085 I/O module address 5E086 I/O module address 6E087 I/O module address 7E088 I/O module address 8E089 I/O module address 9E090 I/O module address 10
E091 I/O module address 11 Analog output
E092 I/O module address 12Analog output
E093E094 I/O module address 14E095 I/O module address 15
E096 Parameter incorrect
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18. Alarm / warning messages
If a new alarm message is present, the screen background in the display is yellow and flashing. If the message was acknowledged, the display stops flashing but continues to remain yellow until the cause of the alarm message has been eliminated. The assembly is not switched off.
The message number of an alarm message always starts with E.
Alarm-Codes
Designation Note
A001
A002 Suction pressure Measured value < limit value L A003 Min. ambient temperature Measured value < limit value LA004 Max. ambient temperature Measured value < limit value HA005 Discharge pressure Measured value < limit value HA006 Discharge temperature Measured value < limit value HA007 System temperature Measured value < limit value HA008 Oil pressure Measured value < limit value LA009 Oil temperature Measured value < limit value HA010 Suction temperature 2 Measured value < limit value HA011 Discharge pressure 2 Measured value < limit value HA012 Discharge temperature 2 Measured value < limit value HA013 Oil pressure 2 Measured value < limit value LA014 Oil temperature 2 Measured value < limit value HA015 Speed Measured value < limit