ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Troubleshooting
How does the device react in case of a fault?
504
16.10
How does the device react in case of a fault?
6045
Faults displayed during operation
Reaction
The slave is disconnected from the AS-i bus.
Slave without watchdog:
Output signals remain unchanged.
Slave with watchdog:
Outputs switched off.
AS-i master as PLC:
IMPORTANT:
Evaluate the slave failure in the PLC program.
If necessary: Stop the machine/plant.
The AS-i master is disconnected from the fieldbus.
AS-i master as gateway:
Outputs switched off.
AS-i master as PLC:
Input signals from the fieldbus master are reset.
PLC triggers AS-i outputs with "0".
IMPORTANT:
Evaluate the fieldbus failure in the PLC
program. If necessary: Stop the machine/plant.
The device fails as fieldbus slave.
Effect
Description of the fieldbus master (host).
