![]() ![]() Those three wires coming from each motor drive are typical to all sorts of hobby level controls. You have a fairly simple environment to convert to a new control. I hope I'm not breaking any forum rules here, but, as promised, here are some high-res photos of the controller box.Well, that let me know my memory is still sharp. A lot of those OEM's did use off the shelf drives (for some reason IMS rings a bell), and that would be easy to interface. ![]() You will need to send photos of the inside of your cabinet, and perhaps some here can identify what you have inside and where you can go from there. #Mach3 cnc serial port driverAs I recall, the machine at that time did have individual motor driver cards and would have been easy to hack a different control into it. Files were sent via 9 pin serial cable, and the jobs were picked up and run with the Pendant. The last Multicam I worked on had an Extratech Control with the Pendant. ![]() If the original motion controller board is still in the machine, you can not connect THROUGH it anyway. Thank you!If your Multicam really does use a 25 pin parallel port connection between PC and control cabinet, it may have already been modified. I'm hoping someone might know of a way I can determine what my settings in Mach3, or any other program for that matter, should be? Is there a series of tests I can do to figure it out? I have tried using a port monitor but the results I'm getting don't make sense to me, for instance, when I move in the X+ axis, I'm expecting to see one of the pins light up with activity, but that doesn't happen.But I'm still learning so maybe I've got it wrong? #Mach3 cnc serial port manualWorse yet, I believe the controller board has been replaced from the original, so even if I had the manual it wouldn't help. The problem is, I'd like to use Mach3 (primarily because I want to use a newer PC), but I have no idea what the pin settings are suppose to be!! The software which came with the CNC is **very** basic and doesn't have any settings or configuration files which might suggest which pins do what on the parallel cable. I know it all works because I have some software which came with it and I'm able to drive the motors and even run Gcode. #Mach3 cnc serial port driversSo long as they each move, you at least know the drivers aren't burned out.Hello, I'm very new to the CNC world, I recently acquired a large CNC router which is quite old. It should advance that specific axis by one microstep each time you touch the step pin to ground. Tie all grounds together, tie stepper enable to ground, and tie one of the direction pins to ground, then touch its step pin to ground. If you don't have an arduino, you can just use some jumper wires to test it. You'll need a parallel port on your computer (you can add a PCI parallel port card to a desktop if you don't have one on yours)Ī cheap way to test it would be wiring an arduino to a DB25 port and throwing grbl on it. It's a parallel interface (not serial as the other user suggests), which means you can use mach3, linuxcnc, or any controller that allows for parallel. If it doesn't come with a mill, you can test it by plugging in some steppers and powering it up (in that order) Looks like this controller is common, and is often paired with a china mill, mini cnc 3040. Huge silkscreen text in the fourth picture says "jp-382a". When you want to identify boards, just start plugging any model-number-looking text into google. ![]()
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