Instruction manual

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3. SIGNALS AND WIRING
(3) Pulse train input interface DI-2
Give a pulse train signal in the differential line driver system or open collector system.
(a) Differential line driver system
1) Interface
SD
PG(NG)
PP(NP)
Max. input pulse
frequency 1Mpps
Servo amplifier
Am26LS31 or equivalent
10m or less
Approx. 100
2) Input pulse condition
0.9
0.1
tc
tHL
tc tLH
tF
tLH=tHL<0.1 s
tc>0.35 s
tF>3 s
PP PG
NP NG
(b) Open collector system
1) Interface
Servo amplifier
24VDC
OPC
PP, NP
DOCOM
SD
Approx. 1.2k
Max. input pulse
frequency 200kpps
2m or less
2) Input pulse condition
0.9
0.1
tc
tHL
tc tLH
tF
tLH=tHL<0.2 s
tc>2 s
tF>3 s
PP
NP