Festo CPX-CMIX-M1-1 Manual page 97

B. Configuration with CPX node
Error program
STEP 1
IF
THEN RESET
LOAD
TO
RESET
SET
Fig. B/7: Sample extract from an error program
Festo P.BE-CPX-CMIX-EN en 1208a
Diagnosis in the user program
You can read out diagnostic information in your user program
via function modules (CFM).
Modules
C_STATUS
C_TR_rd
C_MD_rd
Tab. B/4:
If a fault occurs during running time, an error number will be
entered in the error word (FW). Depending on whether an
error program has been configured, the following applies:
– Error program = 0 (no error program defined):
Programs will be stopped.
– Error program > 0:
Programs will be stopped and the error program with the
entered number will be started.
The following example shows a program for error treatment.
Enter it as "Error program" in the register "Run mode" in the
"Controller settings".
"Wait for fault quitting
E0.7 'Reset FEC Error
F 'Error
V0
FW 'Fault word
P63 'Fault quitting
P0 'General - organisational
Description
Interrogate diagnostic status
Read entries in diagnostic memory
Read module diagnostic data
CFMs for diagnosing the CPX terminal
B-11