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3. SIGNALS AND WIRING
(b) Differential line driver system
1) Interface
SD
PG(NG)
PP(NP)
Max.input pulse
frequency 500kpps
Servo amplifier
Am26LS31
2) Conditions of the input pulse
0.9
0.1
tc
tHL
tc tLH
tF
tLH = tHL < 0.1
µ
s
tc > 0.7
µ
s
tF > 3
µ
s
(4) Encoder pulse output DO-2
(a) Open collector system
Interface
Max. output current 35mA
Servo amplifier
OP
Servo amplifier
5 to 24VDC
Photocoupler
LG
SD
OP
LG
SD