YASKAWA Σ-V Series User Manual page 86

Connect the noise filter ground wire directly to the ground plate.
Do not connect the noise filter ground wire to other ground wires.
Wrong
Noise
Filter
SERVOPACK SERVOPACK
Shielded
ground wire
Ground plate
If a noise filter is located inside a control panel, connect the noise filter ground wire and the ground
wires from other devices inside the control panel to the ground plate for the control panel first, then
ground these wires.
Noise
Filter
Ground
Ground plate
3.8 Noise Control and Measures for Harmonic Suppression
Correct
Noise
Filter
SERVOPACK SERVOPACK
Ground plate
Control Panel
SERVOPACK
SERVOPACK
3
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