Festo CPX-P-8DE-N Series Description page 103

3. Input module CPX-P-8DE-N-...
Operating
mode of the
input
Operating
mode A;
Digital input
(presetting)
Operating
mode B;
Counter input
Operating
mode C, D;
frequency
monitoring
1)
During error-free operation the signal status that is applicable for the respective input is dis-
played. In the event of a short circuit or wire break the parameterised value (last signal status or
replacement value) is displayed (
Tab. 3/43: Function of the status LED
Festo P.BE-CPX-P-EA-EN en 1209NH English
Status LED
The meaning of the status LED depends on the operating
mode of the input.
Status LED Process
(green)
ON
OFF
LED
illuminated
ON
OFF
LED not illu-
minated
ON
OFF
LED flashes
ON
OFF
LED
illuminated
ON
OFF
LED not illu-
minated
ON
OFF
LED flashes
ON
OFF
LED not illu-
minated
Tab. 3/28 and Tab. 3/29).
Status
1)
Logical 1
1)
Logical 0
Counter is started
Depending on the counting direction selected
the minimum or maximum value (limit of the
counting range) has been reached; counter
has been stopped automatically
– Counter stopped
or
– Input signal outside the permissible range
diagnostic messages
Frequency measurement is active
Frequency measurement is stopped or
Input signal outside the permissible range
diagnostic messages
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