Mitsubishi Electric MELSERVO EMC, Руководство по установке

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6 EMC COUNTERMEASURES AND EFFECTS
6.1 Reason for grounding the shield on both the cabinet side and servo motor chassis side
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6
Grounding both ends of the shielded cable
The following figure shows only the wiring of the servo motor power cable. Wire the shielded wire of the encoder cable in the
same way as the power cable.
• Example of wiring when both ends of the shielded cable are grounded
• Radiated emissions when both ends of the shielded cable are grounded
The following figure is an example of a measurement result, and does not guarantee the measurement result.
Cabinet
To servo
amplifier
Shield cable
Servo motor
Connector
As close as
possible
10 cm or less
Grounding with the P or U clip
When a shielded wire is used
LIMIT: IEC/EN 61800-3 (10 m)
[dBuV/m]
Frequency
 : Ver. (QP)

: Hor. (QP)
HORIZONTAL/VERTICAL
100
100 200 300
90
80
70
70
60
50
50
40
30
30
20
10
0