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Festo Контроллер позиционирования CPX-CMPX User Manual

Page 204

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C. General information on parametrisation

C−6

Festo P.BE−CPX−SYS−EN en 0902e

Mode of operation

Signal states accepted as logical input signals usually remain
valid at least until the specified minimum signal duration has
expired. Change of edge within the minimum signal duration
are ignored (see Fig. C/2). Fixed debounce times remain efĆ
fective.

Case 1: Change of edge within the signal extension
time

The logical CPX signal is supplied when the signal extension
time and, if applicable, the debounce time has expired.

1

Sensor signal

2

Logical CPX
signal

3

Change of edge
within the signal
extension time

0

1

0

1

0

1

0

1

a) Rising edge

Expiration of the debounce time

Expiration of the signal extension time

b) Falling edge

1

2

1

2

3

3

Fig. C/2:

Change of edge within the signal extension time