System Diagnostic Data - Festo CPX Series Electronic Manual

B. Parameters and data of the CPX terminal
B.2.6 System diagnostic data
Function no.

System diagnostic data

1936 Status bits (type of error and source of error)
1937 Module number and diagnostic status
1938 Fault number
Table B/37: Overview - Diagnostic data
System diagnostic data: Status bits
Function no. 1936
Description The 8 status bits display common diagnostic messages (global error messages).
Bits 0...3 show the source of error and bits 4...7 show the type of error.
Bit Source of error:
Type of error:
Values 1 = there is a fault; 0 = no fault
Table B/38: Status bits
B-28
The following system diagnostic data is available:
Bit 0: Valve
Bit 1: Output
Bit 2: Input
Bit 3: Analogue/function module
Bit 4: Undervoltage
Bit 5: Short circuit/overload
Bit 6: Wire fracture
Bit 7: Other error
Festo P.BE-CPX-SYS-EN en 0112NH