Mitsubishi Electric Melservo MR-J3- 350B4, Инструкция по эксплуатации, Страница: 337 / 408

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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
2) Drive unit
When an alarm occurs on the drive unit, the base circuit is shut off and the servo motor coasts. When
using a dynamic brake (option), the dynamic brake is activated to stop the servo motor. To deactivate
the alarm, power the control circuit off, then on, turn the reset (RES) on or CPU reset command.
However, the alarm cannot be deactivated unless its cause is removed.
50ms or more
Converter unit control
power supply
Drive unit control
power supply
Main circuit
power supply
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Servo-on command
(from controller)
Drive unit alarm
Reset command
(from controller)
Base circuit
OFF ON OFF
1.5s
Converter unit alarm
(3s) (3s)
Alarm occurrence
OFF
a) a)
a) in Figure After completing to start the drive unit, the main circuit power is supplied while the
drive unit and the converter unit have no alarms.