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15BError messages
110BHow does the controllere react in case of a fault?
16-24
Errors
Cause(s)
Solution
The LDS slave list does not
show any slave with the address
0 although such a slave has just
been connected.
There is at least one other slave
with the address 0 connected to
the master.
►
Remove the last slave with
the address 0 from the bus
►
Program the old slave with
the address 0 to the in-
tended address (
→
page 11-
►
Reactivate the removed
slave
►
Reconfigure the controllere
→
The controllere cannot detect 2
identical slaves with the same
address as a fault.
As long as the slave replies are
identical, no logical distinction is
possible.
►
Remove one of the two
slaves and assign a new ad-
dress to the other
►
Reactivate the removed
slave
►
Reconfigure the controllere
→
►
16.9
How does the controllere react in case of a fault?
Faults displayed during operation
Reaction
The slave is disconnected from the
AS-i bus
Slave without watchdog:
output signals remain unchanged
Slave with watchdog:
output signals switched off
AS-i master as PLC:
IMPORTANT:
absorb the slave failure
in the PLC program. If necessary: stop
the machine/plant
The AS-i master is removed from the
fieldbus
AS-i master as gateway:
output signals switched off
AS-i master as PLC:
input signals from the fieldbus master
are ignored
The PLC continues to trigger the AS-i
outputs without any changes
IMPORTANT:
absorb the fieldbus fail-
ure in the PLC program. If necessary:
stop the machine/plant
Controllere fails as fieldbus slave
Effect
→
Description of the fieldbus
master (host)