Siemens SIMATIC CM35 Manual page 76

Counting value
after counter stop
CM35 Counter Module
(4) J31069-D0416-U001-A5-7618
The ²delete counting value² variable can be used to specify which counting
value is to be indicated after stop.
Delete counting value at stop:
Delete counting value at start:
Parameterization applies to all channels.
Table 5-4 Delete counting value
Variable Parameter
Block
Delete_CountVal
Counting value
65,535
30,000 Start
value
0
Start
a) Delete counting value at stop
Figure 5-5 Current counting value after a counter has stopped (counting down)
Pulse Counter Operating Mode
After the counting procedure has been
stopped,
the counting value is set to the start value.
After the counting procedure has been
stopped,
the current counting value is retained until
the next start.
Offset Data
Type
2 7.5 Bool
Old
counting
value
Start
value
Stop
b) Delete counting value at start
Value Range
0: Delete counting value
at stop
1: Delete counting value
at start
Counting
value
before
stop
Start Stop
5-7