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2 SYSTEM CONFIGURATION
(d) Manual pulse generator/Incremental synchronous encoder input
1) Specifications of manual pulse generator/incremental synchronous
encoder
Item Specifications
Signal input form Phase A/Phase B
Maximum input pulse
frequency
1Mpps (After magnification by 4, up to 4Mpps)
Pulse width 1µs or more
Leading edge/trailing edge
time
0.25µs or less
Phase difference 0.25µs or more
High-voltage 2.0 to 5.25VDC
Low-voltage 0 to 0.8VDC
Differential voltage 0.2V
Cable length 30m (98.43ft.)
Differential-output
type
(26LS31 or
equivalent )
Example of waveform
Phase A
Phase B
(Note): Duty ratio 50%
0.5 s
1 s
0.5 s
0.25 s
0.25 s 0.25 s
Maximum input pulse
frequency
200kpps
(After magnification by 4, up to 800kpps)
Pulse width 5µs or more
Leading edge/trailing edge
time
1.2µs or less
Phase difference 1.2µs or more
High-voltage 3.0 to 5.25 VDC
Low-voltage 0 to1.0VDC
Cable length 10m (32.81ft.)
Voltage-output/
Open-collector
type
Example of waveform
Phase A
Phase B
(Note): Duty ratio 50%
1.2 s
1.2 s
1.2 s
2.5 s 2.5 s
5 s
POINT
Use a manual pulse generator or an incremental synchronous encoder that
consumes less than 0.2[A] of current.