Hi,
Was thinking of trying to just bypass Controller card in machine and connect directly to Mach parallel port for initial testing.
Do you think this advisable or wasting my time?
Do you have a PC with Window 7 32 bit or earlier?. If not.....the parallel port is a DEAD DUCK.....IT MUST operate on a
32bit OS.
Even if you have a working parallel port you will need a breakout board. The breakout board will produce step/direction
signal, but only signals, probably no more than 20mA. So what are you going to hook them to?
Those ICs are not bad but they are pretty whimpy.....1.5A @ 50V??? Wouldn't 'pull the skin off a rice pudding' in my book.
Do yourself a favour and get some Leadshine AM882s, one for each stepper, they will make your steppers take notice
especially with a 72V power supply (recommended).
Craig