Using Modbus with Mach3 By Peter Homann Eventually a new user to Mach3 will hear the term “Modbus” being bandied about. This article explains how it can be used with Mach3. But, before diving in and showing how to use it in Mach3, a basic understanding of what Modbus is, and how it works is required. The Modbus Protocol.
I used to use mine on my old Mach3 machine and now I use it on the 'bot. It's a LOT easier to setup for use with the 'bot.
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On Mach3 it took me ages to get all the Mach3 KeyGrabber commands set and I never could get the joystick to work all the time. It's easy peasy with the Logitech control software and the 'bot control software though. For Mach3 all the info is on their forum although back when I did mine I had to follow the instructions for an XBox controller as no-one was using the WingMan. That might have changed by now though.
I'm not sure what kind of problems you're having, but I used a Logitech gamepad and Mach3 to run my old CNC machine (not a ShopBot) for years. It worked great and I don't remember it being hard to setup. (I'm not trying to rub my success in your face here - just trying to give encouragement.
It can be done!) I used the KeyGrabber program and followed directions I found somewhere in the Mach support docs/videos. Sorry I can't be more specific, I set that up about 5 years ago and never had any problems with it, so I never had to play with the settings afterwards. @ Adrian - Could you or someone else fill me in on how to set it up for use on with SB3/PRS Alpha controls? I don't think I've ever heard about that option. I had read from one person that all they had to do was to install the Logitech software and go.
Well, the only thing that worked was the native joystick plugin using the Dpad. Then I shut down Mach and restarted to find no jogging response at all from my keyboard even after I shut down the gamepad software. Took me awhile to find the backup XML file and get my system back to normal. Now I can get some button response, but absolutely nothing on the joysticks for jogging. Further research led me to keygrabber and I'm now in the process of understanding how to set it up. Thanks for letting me know that a successful end is possible, Russ. @Russ, to get it to work with SB3 I use the Logitech Wingman control software and create a custom profile associated with the SB3 exe file.
Step through each button/stick on the Wingman and associating a keystroke with it for the associated bot function. I've got the left hand joystick set to emulate the X and Y cursor keys in the keypad and the right hand joystick emulates PgUp and PgDn for moving the Z axis. The direction pad is set to move in X and Y at Jog speed and the other buttons have various macros for custom cuts etc. Lots of possibilities.
I only use the keyboard to type in parameters these days. Well folks, thanks for all the input. Once I narrowed down the process to just the Logitech Cordless Rumblepad II Gamepad device and the keygrabber program, everything became straightforward and easy. Ignore the gamepad software except it does print a nice map of the key layout to label so you won't forget. The key shortcuts work pretty well flawlessly, the joysticks are just the slightest bit iffy in X and Y.a little inconsistency that doesn't keep it from functioning well enough. I'm a happy man.jogging slow, fast, incrementally.
Auto Z zero, zero X and Y and more. No more keyboard at the bot. By the way, best price was at Newegg for $32.99 with free shipping. Even beat the eBay guys.
Hello, I am going to attempt to use a cheap USB gamepad as a hand pendant. I've read several threads where people have done similar things, but I'm looking for quick and easy. Has anybody used just a cheap USB gamepad and a key mapping software to map (for example) the left button on the gamepad to the left arrow on the keyboard, etc., etc.? Then somehow mapped any of the buttons on the gamepad to the.001,.01 &.1 increments?
I was hoping to get a little encouragement before I wasted a few hours and $25. Thanks, Greg Similar Threads: • • • • •. Alright, I got the logitech dual action controller, fired up key grabber, and everything is working PERFECTLY so far. But I do have two questions that would save me a bit of time hunting if anybody here could be so kind. Is there a button that could enable/disable the gamepad jogging? I'd hate to bump one of the sticks and crash my tool.