
78
3 SIGNALS AND WIRING
3.6 Interface
■
Open-collector type
• Interface
*1 A photocoupler is used as the pulse train input interface. Therefore this circuit may not operate properly due to reduction in current if a
resistor is connected to the pulse train signal line.
• Input pulse condition
Encoder output pulse DO-2
■
Differential line driver type
• Interface
Maximum output current: 35 mA
• Output pulse
OPC
SD
DOCOM
PP, NP
*1
Servo amplifier
Max. input pulse
frequency 200 kpulses/s
24 V DC
Approx. 1.2 kΩ
2 m or less
0.9
0.1
tc
tLH
tc
tHL
tF
PP
NP
tLH = tHL < 0.2 μs
tc > 2 μs
tF > 3 μs
150 Ω
LA
(LB, LZ)
LAR
(LBR, LZR)
SD
LG
100 Ω
LAR
(LBR, LZR)
SD
LA
(LB, LZ)
Servo amplifier
Servo amplifier
Am26LS32 or
equivalent
High-speed
photocoupler
T
LA
LAR
LB
LBR
LZ
LZR
π/2
Servo motor CCW rotation
400 μs or more
Содержание MR-J5 Series
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