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2. INSTALLATION AND START UP
(2) Parameter setting
Set the parameters according to the structure and specifications of the machine. Refer to Chapter 5 for
the parameter definitions.
(3) Checking the axis number
On the interface unit display, check that the slot numbers and axis numbers are as set. Set the drive
unit axis numbers in the IFU parameters No. 11 to 18.
Display
Axis number
Drive unit status
Slot number
For MR-J2M-BU4
First slot
Third slot
Second slot
Fourth slot
(4) Servo-on
Switch the servo-on in the following procedure:
1) Switch on main circuit/control circuit power supply.
2) The controller transmits the servo-on command.
When placed in the servo-on status, MELSERVO-J2M is ready to operate and the servo motor is
locked.
(5) Home position return
Always perform home position return before starting positioning operation.
(6) Stop
If any of the following situations occurs, MELSERVO-J2M suspends the running of the servo motor
and brings it to a stop.
When the servo motor is equipped with an electromagnetic brake, refer to Section 3.7.
Operation/command Stopping condition
Servo off command The base circuit is shut off and the servo motor coasts.
Servo system controller
Forced stop command
The base circuit is shut off and the dynamic brake operates to
bring the servo motor to stop. The controller forced stop (A.E7)
occurs.
Alarm occurrence
The base circuit is shut off and the dynamic brake operates to
bring the servo motor to stop.
MELSERVO-J2M
Forced stop (EM1) OFF
The base circuit is shut off and the dynamic brake operates to
bring the servo motor to stop. The servo forced stop (A.E6)
occurs.