16. USING A DIRECT DRIVE MOTOR
16 - 4
CAUTION
Connect the servo amplifier power output (U, V, and W) to the direct drive motor
power input (U, V, and W) directly. Do not let a magnetic contactor, etc. intervene.
Otherwise, it may cause a malfunction.
Servo amplifier Servo amplifier Direct drive motorDirect drive motor
U
M
V
W
U
V
W
U
M
V
W
U
V
W
Connecting a servo motor of the wrong axis to U, V, W, or CN2 of the servo
amplifier may cause a malfunction.
This section does not describe the following items. For details of the items, refer to each section of the
detailed description field.
Item Detailed explanation
Input power supply circuit Section 3.1
Explanation of power supply system Section 3.3
Signal (device) explanations Section 3.5
Alarm occurrence timing chart Section 3.8
Interface Section 3.9
Grounding Section 3.11
Display and operation sections Section 4.5
Parameter Chapter 5
Troubleshooting Chapter 8
16.3 Operation and functions
POINT
When using the direct drive motor, set [Pr. PA01] to "_ _ 6 _".
For the test operation, refer to section 4.2.3, 4.3.3, 4.4.3, and 4.5.9.
After power on, the Z-phase mark of the direct drive motor must pass the
connector area once. In a system which prevents the direct drive motor from
making a full rotation, install the direct drive motor in a position where the Z-
phase mark can pass over the connector area.
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