Siemens SIMOCODE pro System Manual page 341

Settings
Watchdog -
PLC/PCS
monitoring - Input
Bus monitoring
PLC/PCS
monitoring
Bus/PLC fault -
Reset
Table 10-15: Watchdog settings
"Bus fault"/"PLC/PCS fault" response
Response
Fault
Warning
Event
Deactivated
Table 10-16: "Bus fault"/"PLC/PCS fault" response
SIMOCODE pro
GWA 4NEB 631 6050-22 DS 03
Activates the "Watchdog" function block using the monitored signal
(arbitrary sockets , e.g. control bits from PROFIBUS DP , etc.)
• Activated:
If a bus fault occurs, the "Trip - Bus" fault message is generated
and must be acknowledged
• Deactivated:
No fault message; however, the "Status - Bus o.k." information
can be evaluated at anytime.
• Activated:
If an PLC fault occurs, the "Trip - PLC/PCS" fault message is
generated and must be acknowledged
• Deactivated:
No fault message; however, the "Status - PLC/PCS in Run"
information can be evaluated at anytime.
You can select whether faults are to be acknowledged
automatically or manually.
Range: Manual/Automatic
Bus fault
X
-
-
X
Standard functions
Description
PLC/PCS fault
X
-
-
X
10-25