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LD Language Elements
SR2MAN01 11/2007 125
Down-Counting in Single Cycle Mode:
The figure below illustrates the counter function in down-counting and single cycle mode:
Up-counting in Repetitive Cycle Mode:
The figure below illustrates the counter function in up-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
+32767
Confirmation
Initialization
CURRENT_COUN
TER_VALUE
Preset value
0
Output
-32767
timing
Time £ timing
timing