3.8 Noise Control and Measures for Harmonic Suppression
3-39
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, 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.
Ground plate
Ground plate
Shielded
ground wire
Noise
Filter
Noise
Filter
SERVOPACK SERVOPACK
SERVOPACK SERVOPACK
Wrong
Correct
Noise
Filter
Control Panel
Ground
SERVOPACK
SERVOPACK
Ground plate