Festo CPX Series Electronic Manual page 113

5. Diagnosis and error treatment
No fault registered
Other Wire
error fracture
Bit 7 6
Status 0 0
Table 5/6: Example 1 – No fault
Short circuit/overload at the output
Other Wire
error fracture
Bit 7 6
Status 0 0
Table 5/7: Example 2 - Short circuit at the output
Undervoltage in the sensor supply
Other Wire
error fracture
Bit 7 6
Status 0 0
Table 5/8: Example 3 – Undervoltage in the sensor supply
Festo P.BE-CPX-SYS-EN en 0112NH
Examples of typical status information
Short Under- Funct./
circuit voltage analogue
5 4 3
0 0 0
Short Under- Funct./
circuit voltage analogue
5 4 3
1 0 0
Short Under- Funct./
circuit voltage analogue
5 4 3
0 1 0
If different faults occur simultaneously on different types of
modules, faults cannot be distinguished. Use the I/O diag-
nostic interface in order to distinguish faults clearly.
Input Output Valve
2 1 0
0 0 0
Input Output Valve
2 1 0
0 1 0
Input Output Valve
2 1 0
1 0 0
5-17