PLC has not started up
The PLC must give a sign of life within a period of time defined in MD 10120 PLC_RUNNINGUP_TIMEOUT (Default setting: 1 sec.).
- NC not ready.
- Local alarm reaction.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Please inform the authorized personnel/service department. The monitoring time in in MD 10120 PLC_RUNNINGUP_TIMEOUT must be checked and adapted to the first OB1 cycle.
Establish the cause of error in the PLC (loop or stop in the user program) and eliminate. Switch control OFF - ON.
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