Festo CPX-FB38, Electronic Manual

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3. Diagnosis
3−20
Festo P.BE−CPX−FB38−EN en 0804NH
Please note
Take into account valve behaviour as part of the
EMERGENCY STOP concept or of the Fail safe setting!
If the outputs are reset in the case of a controller stop,
network interruption, telegram elimination or terminal
disturbance, the following valve behaviour occurs:
Single−solenoid valves move to the basic position.
Double−solenoid valves remain in the current position.
Mid−position valves move to the mid−position
(depending on valve type: pressurised, exhausted or
blocked).
3.5.3 Fault types
A listing of all error types as well as additional diagnosis
information can be found in the CPX system manual
(P.BE−CPX−SYS−...).