Stop - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

5. HOW TO USE THE PROGRAM

5.1.2 Stop

If any of the following situations occurs, the servo amplifier suspends the running of the servo motor and
brings it to a stop.
Refer to section 3.10 of "MR-J4-_A_(-RJ) Servo Amplifier Instruction Manual" for the servo motor with an
electromagnetic brake.
Operation/command
Switch off SON (Servo-on).
Alarm occurrence
EM2 (Forced stop 2) off
STO (STO1, STO2) off (Note 2)
LSP (Forward rotation stroke end) off, LSN
(Reverse rotation stroke end) off
Note 1. Only a list of alarms and warnings is listed in chapter 8. Refer to "MELSERVO-J4 Servo Amplifier Instruction Manual
(Troubleshooting)" for details of alarms and warnings.
2. MR-J4-03A6-RJ servo amplifiers are not compatible with the STO function.
The base circuit is shut off and the servo motor coasts.
The servo motor decelerates to a stop with the command. With some alarms,
however, the dynamic brake operates to bring the servo motor to a stop. (Refer to
chapter 8. (Note 1))
The servo motor decelerates to a stop with the command. [AL. E6 Servo forced stop
warning] occurs. Refer to section 2.3 for EM1.
The base circuit is shut off and the dynamic brake operates to bring the servo motor to
a stop.
It will bring the motor to a sudden stop and make it servo-locked. It can be run in the
opposite direction.
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Stopping condition