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Multiplication x2
To increase the resolution of the incremental encoder, the Counter can be configured for Multiplica-
tion by 2. If the Counter counts up (signal A leads to signal B), pulses are taken into account by the
Counter on the rising- and falling edges of signal A. If the Counter counts down, pulses are also
taken into account on the rising- and falling edges of signal A.
Multiplication x4
To further increase the resolution of the incremental encoder, the Multiplication x4 should be
selected. If the Counter counts up (signal A leads to signal B), pulses are taken into account by the
Counter on the rising- and falling edges of signal A and signal B. If the Counter counts down, pulses
are also taken into account on the rising- and falling edges of signal A and B.
Additional Information
For Counter Reset options (Z-input included) refer to 3-6 Reset Counter.
3-3-2
Up & Down Pulse
With this Signal Type the Counter increments on the rising edge of pulses applied to input A, and dec-
rements on the rising edge of pulses applied to input B.
Increment pulse
Decrement pulse
Additional Information
For Counter Reset options refer to 3-6 Reset Counter.
CJ-series High-speed Counter Units Operation Manual for NJ-series CPU Unit(W492)
Incremental encoder
or other pulse
Increment pulse
generator
Incremental encoder
or other pulse
Decrement pulse
generator
1
2
3
3 Operation and Configuration
Counter
Input A
Input B
Input Z
2
1
0
1
2
3-15
3
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