Happy;
I would suggest a fob / jog dial or one of the pulse-generators wired into your stepper driver board. With steppers you energize 2 or more coils at once so just a regular resistor type speed control will only activate 1 coil limiting the power output of the stepper.
If your into electronics and programming look at the arduino.cc website and see how they wire up steppers to the arduino micro-controller. I have used the arduinos with nema 17 steppers with great success.
good luck
Doc
hi wyzarddoc,
I have a pulse generator, it has 4 wire : +5v, G, G, Pulse, I wired Pulse to SS port 3 1A, and one of the G to 1B, and apply 5V anf G from Ss to Pulse generator, this did not work. Probably the Pulse generator's Pulse signal is different to a rotary encoder signal output.
Solve the problem by assigning OEm code 111 & 112 to input 11 & 12 for slow jog up & down, so everything is done within mach no need to use external hardware to control speed, as we thougth by adding an pulse generator would be easier but I was wrong. Next task is to add an rotary switch to count up or down the Percentage of Slow Jog rate display, what is the OEM for the Slow jog Rate percentage display?
thanks,