Yaskawa Large Capacity Sigma II Series - Manual (Page 180)

4 Parameter Settings and Functions
4.8.2 Wiring for Noise Control
4-104
• Connect the noise filter ground wire directly to the ground plate.
Do not connect the noise filter ground wire to other ground wires.
• When grounding a noise filter inside a Unit.
If a noise filter is located inside a Unit, connect the noise filter ground wire and the
ground wires from other devices inside the Unit to the ground plate for the Unit first,
then ground these wires.
BOX
Shielded
ground wire Thick and
short
BOX
Filter Filter
Poor Good
Filter
Unit
Ground
BOX