Yaskawa FSP Amplifier - Manual (Page 324)

FSP Amplifier User’s Manual Appendix B: Special Wiring
B-9
• 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 an enclosure:
If a noise filter is located inside an enclosure, connect the noise filter
ground wire and the ground wires from other devices inside to the
ground plate for the enclosure first, then ground these wires.