LSIS XBC-DN20SU - Page 195

3)
CW(Clockwise)/CCW(Counter Clockwise) operation mode
A-phase input pulse counts at rising , or B-phase input pulse counts at rising.
Increasing operation executed when B-phase input pulse is Low with A-phase input pulse at
rising, and Decreasing operation executed when A-phase input pulse is Low with B-phase
input pulse at rising.
Increasing/Decreasing
classification
A-phase input pulse High A-phase input pulse Low
B-phase input pulse High -
decreasing count
B-phase input pulse Low Increasing count -
▪ Operation example
(2) Counter type
2 types of count (Linear counter, Ring counter) can be selected for the applicable use based on
functions.
▪ Counter mode is saved at the following special K area.
Mode
Area per each channel (word)
Reference
*1)
Ch.0
Ch.1
Ch.2
Ch.3
Counter
mode
K300 K330 K360 K390
0 : linear
1 : ring
*1) If counter mode is set as value other than 0, 1, error code ‘20’ will occur.
B-phase input pulse
Count value
A-phase input pulse
Increasing
Decreasing
7
8
9
10
11
9
8
10
7
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