YASKAWA Sigma-V Series User Manual page 105

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
Converter SERVOPACK
P P
N N
Shielded
ground wire
Ground plate
If a noise filter is located inside a control panel, first 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,
then ground the plates.
Noise
Filter
Ground
Ground plate
3.9 Noise Control and Measures for Harmonic Suppression
Correct
Noise
Filter
Converter SERVOPACK
P P
N N
Ground plate
Control Panel
Converter SERVOPACK
P P
N N
Converter SERVOPACK
P P
N N
3
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