Mitsubishi Electric MELSERVO-J2S Series Transition Handbook page 259

Part 7: Common Reference Material
(3) MR-J2S-_B_ series servo amplifier
The initializing time is 3 to 4 s.
Main circuit
power supply
Control circuit
Base circuit
Servo-on command
(from controller)
(4) MR-J2M-P8B series servo amplifier
The initializing time is 4 s.
Main circuit
power supply
Control circuit
Base circuit
Servo-on command
(from controller)
(5) MR-J4-_A_ / MR-J4-_B_ series servo amplifier
The initializing time is 2.5 to 3.5 s.
Main circuit
Control circuit power supply
Base circuit
Servo on (SON)
Reset (RES)
Ready (RD)
Alarm (ALM)
Servo-on command accepted
(Note)
(3 s to 4s)
ON
OFF
ON
OFF
95 ms
ON
OFF
SON accepted
(4s)
ON
OFF
ON
OFF
100ms
ON
OFF
Servo-on (SON) accepted
(2.5 to 3.5s)
0.005s
(2.5 to 3.5s)
10 ms
10ms
7 - 20
95 ms
100ms