The MPG output doesn't have a line driver it is A B single ended 5v, had it hooked up to an arduino awhile back, it was 100ppr (400 quadrature), just A B +5v GND - and wires for the switches (XZ - x1x10x100 and an LED),
Also have a circuit that uses an encoder on the axis and displays the position on a row of 7 segment displays for easy manual use (using a tiny monitor for my control panel don't want to have to squint to see figures, also they look nice!) curious about the torque and speed outputs on the servo drive as I have some red yellow green bargraph displays that would look sexy for axis load.
Regards Lewis