Omron CS1W-CT021, Operation Manual

Page: 72 / 201

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Section 3-3
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3-3-3 Pulse & Direction
In this configuration, count pulses are applied to input A. The direction of counting
is controlled by the level of the signal applied to input B. If input B is high, the
Counter increments on the rising edges of input A. If input B is low, the Counter
decrements on the rising edges of input A.
Note For Counter Reset options refer to 3-6 "Reset Signals" .
Incremental encoder
or other pulse
generator
Sensor or
switch
Count pulse
Direction
control
Counter
Input A
Input B
Input Z
3 1 2 2 1 2 3
Count pulse
Direction control:
High = Increment
Low = Decrement
W902-E2-03.book Seite 57 Donnerstag, 7. Oktober 2004 2:06 14