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15 USING A DIRECT DRIVE MOTOR
15.3 Operation and functions
15.3
Operation and functions
• When using the direct drive motor, set [Pr. PA01] to "_ _ 6 _".
• For the test operation, refer to the following.
• The Z-phase pulse of the direct drive motor must be turned on after power-on. When the machine
configuration does not allow one or more revolution of the direct drive motor, install the direct drive motor so
that the Z-phase pulse can be turned on.
Startup procedure
Start up the direct drive servo system in the following procedure.
Absolute position detection system
Installation and wiring
Z-phase pulse of the direct drive motor
is turned on by the JOG operation.
*1*2
Perform the magnetic pole detection. (Refer to section 15.3.2.)
*1
Absolute position
detection system?
Incremental system
Can you manually turn
on the Z-phase pulse of the
direct drive motor?
Change the setting to disable the
magnetic pole detection.
(Refer to section 15.3.2.)
Z-phase pulse of the direct drive motor
is turned on manually.
*3
Turn the servo amplifier power
off and on again.
*2
Positioning operation check using the test operation mode
*1
Positioning operation check using the controller (Refer to section 15.3.3.)
Home position return operation (Refer to the manual of the controller.)
Positioning operation
No
Yes
Perform this procedure once at startup.
Содержание MELSERVO-J4 series
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