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3 votes
2 answers
498 views

How can I convert ±10 V input to 0-10 V w/ run/stop/reverse signals?

I have a CNC lathe and the DC spindle motor went out. It's too expensive to replace, so I'm going with an AC motor and VFD. The original control outputs -10 V as full speed reverse, 0 V stop, and 10 V ...
0 votes
1 answer
550 views

PWM to voltage for servo control

I have Chinese "no name" servo drives with following inputs for speed and torque mode: I have got a MESA 6I25 card and want to use LinuxCNC as a controller. I want to design a BOB (break ...
0 votes
1 answer
333 views

EMI shielding for VFD and DC PSU's for CNC controller

The plan was to mount a VFD (Spindle) and (x3) 48V Power supplies on MDF and near it I want to mount 4 TB6600's for motion controlling a CNC machine. I would like to make it enclosed with some small ...