Mitsubishi Electric MR-MQ100, User Manual

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2 SYSTEM CONFIGURATION
(4) Manual pulse generator/ Incremental synchronous encoder input
(a) Specification 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
1 µs or more
Leading edge/trailing edge time
0.25µs or less
Phase difference
0.25µs or more
High-voltage 2.0 to 5.25 VDC
Low-voltage 0 to 0.8 VDC
Differential voltage -0.2 to 0.2 V
Adjustment type Differential-output type(26LS31 or equivalent)
Cable length 30m (98.43ft.)
Differential-output
type
(26LS31 or
equivalent)
Example of waveform
Phase A
Phase B
0.5μs
0.5μs
0.25μs
0.25μs
0.25μs
Duty ratio 50%
1μs
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 to 1 VDC
Adjustment type Voltage-output/ Open-collector type(5VDC)
Cable length 10m (32.8ft.)
Voltage-output/
Open-collector type
Example of waveform
Phase A
Phase B
2.5μs
2.5μs
1.2μs
1.2μs
1.2μs
Duty ratio 50%
5μs
POINT
Use a manual pulse generator or an incremental synchronous encoder that
consumes less than 0.2[A] of current.