I'm in over my head, I have an old control I am hoping to be able to upgrade with Mesa hardware and don't know were to start. The control is Mid 80's 2 1/2 axis, with Glentek brushed DC servos and Glentek amps. I have schematics and photos. I have learned that the amps output +- 10 volt analog signals, the motors have tach's. The machine gets position form HEDS encoders in track wheels on the x&y axis, and one on the z screw. Peter from Mesa suggested 5i20 with 7i33 and 7i37 daughter cards, which I have purchased. I plan on using Linux CNC in a Pentium 4 computer. I'm hoping I can get pointed in the right direction, I am electronically challenged. I can take more photos if needed. Any one done one like this?
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