Siemens S7-300 Operating Instructions Manual page 196
Fm 352 electronic cam controller
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- Manual (676 pages) ,
- Reference manual (574 pages) ,
- Installation and operating manual (356 pages)
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Data blocks / error lists
C.4 Error classes
Class 15: Messages
No.
1
2
Class 128: Diagnostic errors
No.
4
51
196
Meaning
Start of parameter assignment
Cause
The module has detected a parameter assignment via a
system data block.
End of parameter assignment
Cause
The module has processed the parameter assignment via
a system data block error-free.
Meaning
External auxiliary voltage missing
Cause
External auxiliary 24 V voltage is not connected or has
failed, front connector missing, short circuit (e.g., at
connected encoder)
Effect
See chapter "Reaction of FM 352 to errors with
diagnostics interrupt (Page 148)".
Cam processing will be deactivated
Track outputs will be disabled
With incremental encoders, synchronization is
canceled
The FM 352 has not had parameters assigned
(checkback signal PARA = 0).
Remedy
Make sure that the 24 V connection is correct
connection is correct, then the module is defective.)
Watchdog expired
Cause
Strong interference on the FM 352
Error in the FM 352
Effect
Module is reset
Provided that after resetting the module, no module
defect is detected, the module is ready for operation
again.
The module signals the expired WATCHDOG with
"incoming" and "outgoing"
Remedy
Eliminate the interference
Contact the relevant sales department who will
require details of the circumstances leading to the
error.
Replace the FM 352
If the 24 V
(
FM 352 electronic cam controller
Operating Instructions, 05/2011, A5E01071724-03
Diagnostic
interrupt
No
No
Diagnostic
interrupt
Yes
Yes
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