Summary Of Diagnostic Possibilities - Festo Compact Performance Series Programming And Diagnosis

3. Diagnosis

3.1 Summary of diagnostic possibilities

The CP valve terminal offers the following possibilities
of diagnosis and error treatment:
– Diagnosis via the built-in LEDs
– Valve test
– Diagnosis via the field bus.
Diagnosis via Green: Status display of operating mode
LEDs
Red: Error display
Yellow:
Valve test Integrated test routine for valves
Diagnosis via The CP valve terminal sends an emergency message if
field bus there is an error.
CP-CO 9801NH
- valve terminal status
- valve terminal status display
(pre-operational mode, prepared mode,
operational mode)
– undervoltage at CP valves or
– incorrect station address (setting 0)
Valve status display
3-3