YASKAWA SGDV series - Page 95

3.10 Noise Control and Measures for Harmonic Suppression
3-49
3
Wiring and Connection
Connect the noise filter ground wire directly to the ground plate.
Do not connect the noise filter ground wire to other ground wires.
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.
Shielded
ground wire
Noise
Filter
Noise
Filter
Converter SERVOPACK Converter SERVOPACK
Ground plate
Ground plate
Incorrect
Correct
P
NN
P
P
NN
P
Control Panel
Ground
Ground plate
Noise
Filter
P
N
P
N
P
N
P
N
Converter
Converter
SERVOPACK
SERVOPACK