MITSUBISHI ELECTRIC MR-J2S- A - Manual (Page 91)

3 - 44
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
Approx. 100
V
OH
: 2.5V
V
OL
: 0.5V
(Note)
10m (393.70in) or less
Note. Pulse train input interface is comprised of a photo coupler.
Therefore, it may be any malfunctions since the current is reduced when connect a resistance
to a pulse train signal line.
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