Quote Originally Posted by tarawa View Post
Pics attached.

1 - input wiring R,T and earth ground
2- disassembled connector and ran Pin 4 to body of spindle motor Should it also be grounded to VFD? Would be an easy fix since there is a wire running to VFD IN CABLE.
3 - picture of my set-up
Are yes you can not use that type of cable and the Ground wire will output lots of EMF wired like that, you need a 4 wire Shielded cable I'm surprised that you ever had it running wired like that

The Cable you need from the VFD to the Spindle needs to be like this CF6015-04 and connect the Ground to the spindle 4th Pin in side the spindle , the cable wires can not be unshielded like you have it wired the insolation must go inside the plug

So with a new cable don't take the insolation off the wires like that

You get this cable from IGUS or other suppliers

Here are some snips of how the cable has to be used and prepared for connection