Festo Контроллер позиционирования CPX-CMAX - Manual (Page 438)

C. Configuration with CPX node
C−40
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Diagnostics in the user program
You can read out diagnostic information in your user program
via function modules (CFM).
Modules Description
C_STATUS Query diagnostic status
C_TR_rd Read entries in diagnostic memory
C_MD_rd Read module diagnostic data
Tab. C/15: CFM for diagnosing the CPX terminal
Error program 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:
ć Error program = 0 (no error program defined): Programs
will be stopped
ć 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 handling.
Enter it as Error program" in the PLC settings" of the RunĆ
time behaviour" tab .
STEP 1
“Wait for error acknowledgement
IF I0.7 ’Reset FEC Error
THEN RESET F ’Error
LOAD V0
TO FW ’Fault word
RESET P63 ’Error acknowledgement
SET P0 ’General - organisation
Fig. C/21: Sample extract from an error program