4 CONNECTING THE SERVO AMPLIFIER AND ROTARY SERVO MOTOR
4.3 Selection example of wires
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4.3 Selection example of wires
Wires indicated in this section are separated wires. When using a cable for power line (U/V/W) between the
servo amplifier and rotary servo motor, use a 600 V grade EP rubber insulated chloroprene sheath cab-tire
cable (2PNCT). For cable selection, refer to the following.
Page 210 Selection example of rotary servo motor power cable
To comply with the UL/CSA standard, use the wires shown in the following for wiring.
Page 205 Compliance with UL/CSA standard
To comply with other standards, use wires that comply with each standard.
Selection requirements for the wire size are as follows.
• Construction requirements: Single wire set in midair
• Wiring length: 30 m or less
The following shows the wires used for wiring. Use the wires given in this section or equivalent wires.
Wire size selection examples for the 600 V Grade heat-resistant polyvinyl chloride insulated wire (HIV wire) are indicated
below.
Even when the maximum torque is increased, the applicable wire sizes are the same.
U
V
W
U
V
W
E
B1
B2
1) Rotary servo motor power lead
Servo amplifier Servo motor
Motor
2) Electromagnetic brake lead
Electromagnetic
brake
Encoder
Encoder cable
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