Festo IIFB-02- Series, Manual

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Short circuit/overload at the additional output
If there is a short circuit or overload:
•
the additional output will be switched off,
•
the status of the status bits will be set at
logic 1.
In order to activate the output again, the follow-
ing procedure should be adopted:
If the short circuit has still not been eliminated,
the additional output will be switched off again.
Step Explanation
Eliminate short circuit or overload
Set additional output at 0 (RESET)
•
Manual (on-line operation, test system)
•
Automatic in controller program
Set additional output at 1 The status bits I1.14 and I1.15 of the
valve sensor terminal are reset at logic 0.
Fig. 6/8: Eliminating short circuit/overload
VIFB8 – 02 6. Diagnosis/error treatment
6-12
9706