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ifm
Basic Device Manual AS-i ControllerE M4 Target V15
2015-10-30
Error description
How does the controllere react in case of an error?
269
16.10
How does the controllere react in case of an error?
Errors 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.
Controllere fails as fieldbus slave.
Effect
→ description of the fieldbus master (host).