Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Manual (Page 82)

3 Wiring and Connection
3.8.2 Precautions on Connecting Noise Filter
3-38
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