Cycle Pulse On Falling Edge - ABB CL Series Applications Manual

1SVC 440 795 M0100
I1-------èQ1
S1 n/o contact at I1
Table 24: Cycle pulse on rising edge
I1 Status of
Q1 cycle n
0 0
1 1
0 0

Cycle pulse on falling edge

You can create a cycle pulse on a falling edge if you use the
appropriate coil function.
This is very useful for count pulses, jump pulses.
Table 25: Cycle pulse on falling edge
I1 Status of
Q1 cycle n
1 0
0 1
1 0
Basic circuits
Status of Q1
cycle n + 1
0
0
0
Status of Q1
cycle n + 1
0
0
0
183