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4. STARTUP
4 - 4
4.2 Startup
Connect the servo motor with a machine after confirming that the servo motor operates properly alone.
(1) Power on
When the power supply is turned on, "b01" (for the first axis) appears on the servo amplifier display.
When you use the absolute position detection system, first power-on results in [AL. 25 Absolute position
erased] and the servo system cannot be switched on. The alarm can be deactivated by switching power
off once and on again.
Also, if power is switched on at the servo motor speed of 3000 r/min or faster, a 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) Parameter setting
POINT
The following encoder cables are of four-wire type. When using any of these
encoder cables, set [Pr. PC04] to "1 _ _ _" to select the four-wire type. An
incorrect setting will result in [AL. 16 Encoder initial communication error 1].
MR-EKCBL30M-L
MR-EKCBL30M-H
MR-EKCBL40M-H
MR-EKCBL50M-H
Set the parameters according to the structure and specifications of the machine. Refer to chapter 5 for
details.
After setting the above parameters, turn off the power as necessary. Then switch power on again to
enable the parameter values.
(3) Servo-on
Enable the servo-on with the following procedure.
(a) Switch on the power.
(b) Transmit the servo-on command with the servo system controller.
When the servo-on status is enabled, the servo amplifier is ready to operate and the servo motor is
locked.
(4) Home position return
Always perform home position return before starting positioning operation.