Yaskawa SGDS Sigma III Servo Amplifier - Manual (Page 124)

5.6 Others
5-21
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.
3. Connect the noise filter ground wire directly to the ground plate.
Do not connect the noise filter ground wire to other ground wires.
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.
The ground wire
can be close to
input lines.
Noise
Filter
Noise
Filter
Box Box
Incorrect Correct
Shielded
ground wire
Thick and
short
Noise
Filter Noise
Filter
Box Box
SERVOPACK SERVOPACK SERVOPACK SERVOPACK
Incorrect Correct
Noise
Filter
Unit
Ground
Box
SERVOPACK
SERVOPACK