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POS-123-*-2030
6 Appendix
6.1 Failure monitoring
Following possible error sources are monitored continuously when SENS = ON/AUTO:
Source
Fault
Characteristic
Command signal PIN 13
4... 20 mA
Out of range or broken wire
The output will be switched off.
Feedback signal PIN 14
4… 20 mA
Out of range or broken wire
The output will be switched off.
SSI-VERSION
Sensor value
Out of range or broken wire
The output will be switched off.
P-VERSION
Solenoids on PIN 17-20
Wrong cabling, broken wire
The power stage will be
deactivated.
EEPROM
(when switching on)
Data error
The output is deactivated.
The module can only be activated
by saving the parameters again!
CAUTION:
Take care of the EOUT command. Changes will influence the behavior.
6.2 Troubleshooting
It is assumed that the device is in an operable state and there is communication between the module and the
WPC-300. Furthermore, the valve control parameterization has been set with the assistance of the valve data
sheets.
The RC in monitor mode can be used to analyze faults.
CAUTION:
All safety aspects must be thoroughly checked when working with the RC (Remote
Control) mode. In this mode the module is controlled directly and the machine control cannot
influence the module.
FAULT
CAUSE / SOLUTION
ENABLE is active, the
module does not
respond and the
READY LED is off.
There is presumably no power supply or the ENABLE signal (PIN 8) is not present.
If there is no power supply, there is also no communication via our operating
program. If a connection has been made to the WPC-300, then a power supply is
also available.
If the power supply exists, an attempt should be made to see whether the system
can be moved by means of the HAND+ and HAND- inputs (measuring the output
signal to the valve helps).
