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Do you mean it returns to the electrical source via a grounded conductor? It does not truly travel to earth, unless the spike was lightning.

The ground wire sends the voltage back to the source not to ground. Unless we are talking about a lightning strike.

I really don’t know a lot about the hobby machines but it sounds like you are missing some files/ parameters/ programs.
The Mach 3 software is supposed to automatically do a back up when something...

If it has a t plus control have you tried to upload from the eeprom?

Take the program and delete it from memory. Rewrite and reload through data io . Do you have something funky in the tool data? Does this machine have a probe? Make sure it is not sending faulty...

I have watched all of corvetteguys videos and he is not keeping up with information regarding emi. You absolutely don’t want to use a drain wire soldered to a connector then pigtailed to a ground bus.

You have a floating dc 24v output. You need to short the pe terminal and v- terminal. Also where is your field ground coming from? An outlet? You really need a ground rod sank and connect it to the...

You can make I happen . You don’t HAVE TO HAVE every cable 360 degree shield grounded. It is best practice but.... the motor with the issue... is it the VFD motor or one of those 48v drives? Have...

what info exactly are you wanting on that encoder? It’s an incremental encoder. On the vtc are you looking for plc , electrical, mechanical? Do you have an issue? I can help of your machine is down.

In the future, mazaks with a 640m/t control will Jae some type of back up on the hard drive. You just download it. Setting an axis up wouldn’t be hard because you are using switch and dog home.