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Precautions For Wiring; Power Supply Cable Wiring Diagrams; Lm-H3/Lm-U2/Lm-K2 Series - Mitsubishi Electric MELSERVO-J5 Series User Manual

Linear servo motor
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4.1

Precautions for wiring

Precautions
• To avoid a malfunction, connect the wires to the correct phase terminals (U/V/W) of the servo amplifier and the linear servo
motor.
• To prevent a malfunction, do not connect AC power supply directly to the linear servo motor.
For grounding, connect the grounding lead wire from the servo motor to the protective earth (PE) terminal of the servo
amplifier, and then connect the wire from the servo amplifier to the ground via the protective earth of the cabinet. Do not
connect the wire directly to the protective earth (PE) terminal of the cabinet.
Cabinet
Servo
amplifier
Linear servo motor
Protective
earth (PE)
*1
terminal
*1 The number of protective earth (PE) terminals of the servo amplifier differs depending on the type of servo amplifier.
4.2

Power supply cable wiring diagrams

To wire to the servo amplifier, use connectors packed with the servo amplifier or optional connectors.
For connectors, refer to "Wiring CNP1, CNP2, and CNP3" in the following manual.
MR-J5 User's Manual (Hardware)
Refer to the following for the wires used for wiring.
Page 22 Selection example of wires

LM-H3/LM-U2/LM-K2 series

Connection with MR-J5-_ servo amplifier
30 m or less
MR-J4THCBL03M
*4
Branch cable
Servo amplifier
CN2
CN2
5
THM1
6
THM2
U
V
W
*1 The signal names (U/V/W/E/G1/G2) are attached on lead wires.
*2 There is no polarity for the thermistor (G1/G2).
*3 The color is blue for LM-H3 series.
*4 When the branch cable is not used, refer to the following manual.
MR-J5 Partner's Encoder User's Manual
Lead wire (Linear servo
SCALE
motor accessory)
To linear
encoder
G1 (black) *3
G2 (black) *3
THM
U (black)
V (black)
W (black)
E (green/yellow)
Round crimp terminal
4 CONNECTION OF SERVO AMPLIFIER AND LINEAR SERVO MOTOR
*1
Linear servo motor
*2
Primary side
4.1 Precautions for wiring
4
19

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