Servo Motor Power Cable (1) - Mitsubishi Electric MELSERVO EMC Installation Manuallines

Servo motor power cable (1)

If stripping the cable outer sheath will affect the safety of the machine such as electric shock or injury, it is recommended to
install additional protective covers or enclosures.
Shielded cable
Cabinet
Grounding with the P or U clip
10 cm or less
To servo
amplifier
Shield cable
Metal conduit
Earth with surface paint removed
Cabinet
Conduit connector
To servo
amplifier
Metal
conduit
Multiple core cable
1.
Use four shielded cables (3-phase + ground cable) to prevent disconnection outside the cabinet. Connect the grounding
terminals of the servo amplifier and servo motor with the grounding cable.
2.
Ground the shield on both the cabinet side and servo motor chassis side. For the reason why the shield should be
grounded on both the cabinet side and servo motor chassis side, refer to the following.
Page 28 Reason for grounding the shield on both the cabinet side and servo motor chassis side
The grounding position of the shield on the servo amplifier side should be within 10 cm from the cabinet. For the reason why
the grounding position of the shield on the servo amplifier side should be within 10 cm from the cabinet, refer to the following.
Page 30 Reason why the grounding position in the cabinet is specified to be 10 cm or less from the cabinet openings
Keep as
close as
Connector
possible
Servo motor
Connector
Servo motor
3 EMC COUNTERMEASURES
3.4 Cable layout
3
13