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LD Language Elements
126
SR2MAN01 11/2007
Down-Counting in Repetitive Cycle Mode:
The figure below illustrates the counter function in down-counting and repetitive
cycle mode:
The output switches to the Inactive state when the predefined pulse duration value
has run out. If the switch condition is Active before the switch to the Inactive state,
the output pulse is extended by the Duration of pulse (Timing).
+32767
Confirmation
Initialization
CURRENT_COUN
TER_VALUE
Preset value
0
Output
-32767
timing
Time £ timing
timing