Ok, getting back to working on my control conversion.
Question, my Glentek 7115-1 servo amplifiers, used the SIGNAL input and used COMMON for reference. I see Step2Linear wiring diagram has +REF OUTPUT and -REF OUTPUT.
My Glentek servo amps also have a +DIFFERENTIAL SIGNAL INPUT and a -DIFFERENTIAL SIGNAL RETURN. The previous controller (Galil) used the SIGNAL INPUT.
Which should I use Larry? (I believe I send you the .pdf of the manual)


Also:
FAULT OUT is normally high and goes to ground when there is a fault?
ENABLE OUT is normally high until STEP2LINEAR pulls it low when its ready? So I could tie it to the negative side of the coil of a smal +5VDC relay and feed the relay with 5VDC?

Where does the +5VDC supply for the encoders come from on STEP2LINEAR? From the +/-15VDC input or from a +5VDC input (external +5VDC power supply necessary?)

Lastly, I assume all inputs labled +5VDC are all tied together on the STEP2LINEAR board? Why is the +5VDC at the FAULT & ENABLE OUT Connector required?
Thanks!
Marty