5 - 4
5. OPERATION
5.2 Startup
5.2.1 Power on and off procedures
(1) Power-on
Switch power on in the following procedure. Always follow this procedure at power-on.
1) Switch off the servo-on (RYn0).
2) Make sure that the Forward rotation start (RYn1) and Reverse rotation start (RYn2) are off.
3) Switch on the main circuit power supply and control circuit power supply.
When main circuit power/control circuit power is switched on, the servo amplifier display shows
"b01" (if the servo amplifier has the station number of 1).
When a power is turned on for the first time in absolute positioning detection system, an absolute
position lost (A25) alarm occurs, and the servo system will not be switched on.
The alarm can be deactivated then switching power off once and on again.
Also in the absolute position detection system, if power is switched on at the servo motor speed of
3000r/min or higher, position mismatch may occur due to external force or the like. Power must
therefore be switched on when the servo motor is at a stop.
(2) Power-off
1) Make sure that the Forward rotation start (RYn1) and Reverse rotation start (RYn2) are off.
2) Switch off the Servo-on (RYn0).
3) Switch off the main circuit power supply and control circuit power supply.
5.2.2 Stop
In any of the following statuses, the servo amplifier interrupts and stops the operation of the servo motor.
Refer to section 4.11 for the servo motor equipped with an electromagnetic brake.
(a) Servo-on (RYn0) OFF
The base circuit is shut off and the servo motor coasts.
(b) Alarm occurrence
When an alarm occurs, the base circuit is shut off and the dynamic brake is operated to bring the servo
motor to a sudden stop.
(c) Forced stop (EMG) OFF
The base circuit is shut off and the dynamic brake is operated to bring the servo motor to a sudden stop.
The servo forced stop warning (AE6) occurs.
(d) Forward rotation stroke end (LSP), reverse rotation stroke end (LSN) OFF
The droop pulse value is erased and the servo motor is stopped and servo-locked. It can be run in the
opposite direction.
Содержание Melservo-J3 Series MR-J3-B
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