Festo CP-E08-M8-CL - Page 124

A. Technical appendix
A−26
Festo P.BE−CPEA−CL−EN en 0711a
Case 2: Change of edge after expiry of the signal
extension time
The logical CPI signal follows the input signal and is supplied
after it. If a debouncing time has been defined, the logical CPI
signal is supplied when the debouncing time has expired.
1 Sensor signal
2 Logical CPI signal
3 Change of edge
after expiry of the
signal extension
time
0
1
0
1
a) rising edge
Expiry of the debouncing time
Expiry of the signal extension time
b) falling edge
1
2
1
2
0
1
0
1
3
3
Fig.A/3: Change of edge after expiry of the signal extension time