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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 or equivalent
About 100
2) Conditions of the input pulse
0.9
PP PG
tc
tHL
tc tLH
tF
tLH tHL 0.1 s
tc 1 s
tF 3 s
NP NG
0.1
(4) Encoder pulse output DO-2
(a) Open collector system
Interface
Servo amplifier
OP
5 to 24VDC
Photocoupler
SD
Max. output current : 35mA
LG
Servo amplifier
OP
SD
LG