Mitsubishi Electric MELSERVO-J5 User Manual page 172

Ac servo system

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■When network communication shut-off or communication time-out has occurred

The dynamic brake may operate depending on the communication shut-off status.

Communication shut-off or communication time-out may not be detected, depending on the network. For details, refer to the

User's Manual (Communication Function).

Servo motor speed

Base circuit

(Energy supply to

the servo motor)

Servo amplifier

(Electromagnetic

brake interlock)

(Malfunction)

*1 The model speed command is a speed command generated in the servo amplifier for forced stop deceleration of the servo motor.

When the forced stop deceleration function is not used

This is the case when [Pr. PA04.3 Forced stop deceleration function selection] is set to "0" (Forced stop

deceleration function disabled).

The operation status during an alarm occurrence or network communication shut-off is the same as in the stop method with

dynamic brake shown in this section.

Page 164 Stopping with dynamic brake

Page 167 Stopping with dynamic brake

3 BASIC FUNCTION

3.16 Alarm function

Network communication shut-off

Communication error alarm No.

Model speed command is 0,

and the speed is equal to or

less than zero speed