Mitsubishi Electric MELSERVO MR-J2-A Product Specifications And Installation Manual page 119

3.WIRING
2) Differential line driver system
• Interface example
Am26LS31
(4) Encoder pulse output DO-2
1) Open collector system
• Interface example
Max. output current: 35mA
Servo amplifier
2) Differential line driver system
• Interface example
Max. output current: 35mA
Servo amplifier
LA
(LB, LZ)
LAR
(LBR, LZR)
LG
SD
• Output signal waveform
Servo motor CCW rotation
LA
LAR
T
LB
LBR
π/2
LZ
LZR
Off
OP
On
Servo amplifier
Max. input pulse
frequency 400kpps
Approx. 100Ω
PG(NG)
PP(NP)
SD
OP
LG
SD
Am26LS32 or equivalent
150Ω
400µs or more
LZ signal varies ±3/8T on its leading edge.
• Conditions of the input pulse
tc
0.9
PP-PG 0.1
tc tLH
NP•NG
Servo amplifier
OP
LG
SD
Servo amplifier
LA
(LB, LZ)
LAR
(LBR, LZR)
SD
3– 34
tLH=tHL<0.1µs
tHL
tc>1µs
tF>3µs
tF
5 to 24VDC
Photocoupler
1.2kΩ High-speed photocoupler