Maintenance - Mitsubishi Electric MR-J5 Series User Manual

Function block diagram (STO function)
CN8
Shut-off signal (STO1)
Monitor signal (TOFB1)
Shut-off signal (STO2)
Monitor signal (TOFB2)
Operation sequence (STO function)
Servo motor speed
0 r/min
ON
EM2 (Forced stop 2)
OFF
ON
OFF
ON
Magnetic contactor
OFF
Base circuit
ON
(Energy supply to
OFF
the servo motor)

Maintenance

This servo amplifier has alarms and warnings for maintenance compatible with the Mitsubishi Electric Drive Safety function.
MR-J5 User's Manual (Troubleshooting)
Base power supply
for upper arm
Shut-
off
Base power
supply for
lower arm
Shut-
off
(8 ms)
Power
module
M
Servo motor
8 USING STO FUNCTION [G] [A]
217
8.1 INTRODUCTION
8