Instruction Manual

5. Diagnostics and error handling
5−13
Festo P.BE−CPX−SYS−EN en 0902e
Examples of typical status information
No error registered
Other
error
Wire
break
Short
circuit
Under
voltage
Funct./
analo
gue
Input Output Valve
Bit 7 6 5 4 3 2 1 0
Status 0 0 0 0 0 0 0 0
Tab.5/4: Example 1  no fault
Short circuit at the output
Other
error
Wire
break
Short
circuit
Under
voltage
Funct./
analo
gue
Input Output Valve
Bit 7 6 5 4 3 2 1 0
Status 0 0 1 0 0 0 1 0
Tab.5/5: Example 2 − Short circuit at the output
Undervoltage of sensor supply
Other
error
Wire
break
Short
circuit
Under
voltage
Funct./
analo
gue
Input Output Valve
Bit 7 6 5 4 3 2 1 0
Status 0 0 0 1 0 1 0 0
Tab.5/6: Example 3  Undervoltage in the sensor supply
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.