4. STARTUP
4 - 4
4.1.2 Wiring check
(1) Power supply system wiring
Before switching on the main circuit and control circuit power supplies, check the following items.
(a) Power supply system wiring
1) The power supplied to the power input terminals (L1/L2/L3/L11/L21) of the driver should satisfy
the defined specifications. (Refer to section 1.3.)
2) Between P3 and P4 should be connected.
P3
P4
Servo amplifier
(Note)
(b) Connection of driver and servo motor
1) The driver power output (U/V/W) should match in phase with the servo motor power input
terminals (U/V/W).
Servo amplifier Servo motor
M
U
V
W
U
V
W
2) The power supplied to the driver should not be connected to the power outputs (U/V/W).
Otherwise, the driver and servo motor will malfunction.
Servo amplifier Servo motor
M
U
V
W
U
V
W
L1
L2
L3
3) The grounding terminal of the servo motor is connected to the PE terminal of the driver.
Servo amplifier Servo motor
M
4) The CN2 connector of the driver should be connected to the encoder of the servo motor securely
using the encoder cable.
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