YASKAWA SGM H Series User Manual page 364

2. Separate the noise filter ground wire from the output lines.
Do not accommodate the noise filter ground wire, output lines, and other signal lines in the same duct or
bundle them together.
Incorrect
Noise
filter
Box
3. Connect the noise filter ground wire directly to the ground plate.
Do not connect the noise filter ground wire to other ground wires.
Incorrect
Noise
filter
SERVOPACK
Shielded
ground wire
Box
4. When grounding a noise filter inside a unit:
If a noise filter is located inside a unit, connect the noise filter ground wire and the ground wires from other
devices inside the unit to the ground plate for the unit first, then ground these wires.
Ground
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Correct
Noise
filter
The ground wire
can be close to
input lines.
Box
Correct
Noise
filter
SERVOPACK
SERVOPACK
Thick and
short
Box
Unit
SERVOPACK
Noise
filter
SERVOPACK
Box
SERVOPACK
6.4 Others
6
6-21