Siemens SIPLUS HCS Operating Instructions Manual page 105

Note
The following applies for PM4000 DI/DO:
The error codes for short-circuit and wire break are each signaled for one group of 4
channels only. The number of the first channel of the group of 4 is entered as the channel
number.
Causes of error and remedies
You will find information about possible causes of error and remedies in Section Process and
system messages, error handling (Page 107).
Note
If a fault status changes on a channel, the first fault to be reported is retained.
SIPLUS HCS4200
Operating Instructions, 11/2015, A5E35066204A/RS-AA/002
10.3 Transfer of diagnostic alarms to the controller
Communications
105