Document Part # 026-4176 Rev 1 Page 5 of 16
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COM wiring is the same polarity as E2 and E3.
• + On the Com port goes to + on the VFD.
•
- On the Com port goes to - on the VFD.
• Do NOT connect shield to any terminal on the controller or VFD. Connect shield directly to Earth Chassis at the
controller; clip and insulate shield at VFD end of cable.
• If VFD is the last device at end of Com segment, terminate with 150 ohms between terminals 2 and 3.
Figure 6 - Wire the M400 VFD Device to E2/E3
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