Festo Checkbox Compact CHB-C-X - Page 76

3. The I/O module
3-25
Festo P.BE-CB-COMP-EN en 1102d
Pulse-time diagram
Control of c ounting
Pin I/18
Start new counting cycle
t
sc
, 15 ms
Pin O/22
Preselected counter status
reached
0
1
0
1
t
sc
t
r
Start
10 ms
sc = start counting cycle
r=reset
Tab. 3/15: Pulse-time diagram: Controlling the counting
procedure