ABB 07CR41 Operating Manual page 85

Advant Controller AC 31 / Issued: 01.99
•
PLC reactions to class 3 errors
The AC31 basic units feature a diagnostic system designed to localize errors quickly and
efficiently:
Class 1: Fatal errors
-
Class 2: Serious errors
-
Class 3: Light errors
-
Class 4: Warning
-
If class 1 or 2 errors occur, the program is aborted or not started. If a class 4 error occurs, the
program is not interrupted.
If a class 3 error occurs, the program may be aborted or continued:
Absolute identifier:
Symbolic identifier:
Meaning of the value of the constants:
Only report error:
Report error and abort
PLC program
Range of values:
Default value:
i.e. only report error
Changing the system constants takes effect immediately.
KW 00,07
FK3_REAK
0
<0, >0
<0, =0, >0
0
5 – 13 Programming
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