I would also never recommend the use of a parallel port for motion control, as the step and dir timing is too reliant upon a pc that needs intensive / accurate timing that is not being polled by other devices (like internet or shared video card memory) I would never ever recommend usb for a motion controller in a plasma or vfd environment, you are just setting yourself up for agro to fault find earth loop faults. Now I run Linux and it's on the network and has internet access (but it just gets used to update software packages), and and files to it (no longer use USB sticks).Įach to their own, many ways to skin that same cat, do what you think will work best for you. Please note I never ran mach3 with a parallel port, always a motion controller (usb smooth stepper, ethernet smooth stepper, uc400 Eth and uc300 Eth) When I ran windows for mach3, mach4 or uccnc it was off line as it ran without antivirus, just a basic os install with sheetcam + cad but more importantly I did not want windows updating its self and stuff stopping working. That was a whole different ball game because the movement commands are buffered and sent in bunches to the motion controller, which seemed immune to what was happening on the PC. Then I moved to UCCNC which had it own external motion controller with an ethernet connection to the PC. In a nutshell I treated the PC as a standalone CNC motion controller with no other purpose. As a result I had a very stable system.īare in mind this was a "non-buffered" type setup which directly used the parallel port, and could not handle any interruptions to the running of the main cnc program. Definitely no internet and my LAN device was disabled. Went into Task Manager and disable and uninstalled alsorts. ![]() When I used to run Mach3 on XP, if I did not need something in the operating system I would completely disable it. Some tasks are "interrupted" to allow another task to be done. Now everything can't really be done "at once", and tasks are jumped between at high speed. Windows is a multi-tasking operating system, i.e. Its a month later when you see a quick program for making a gear tooth profile or a font or another add on you want to try that starts to let the bugs cascade your pc into the volcano of issues. ![]() The issues don't really start from the first day. The last thing you want them to do is steer precious resources away from Mach. Some computers especially in the XP vintage will use the DTHCII and be responsible for step and direction. I have worked over enough #2 pcs for folks to tell them not to put their controllers online. When you do any kind of update to windows you enter the windows 10 shell game, sometimes an update will turn on the firewall or windows defender or change or modify your settings. Hooking up to the internet is absolutely not something you should be doing with your machine controller. You wont get a wireless to work without the wireless tether that connects to the PC through the USB. DLL defective means you did not load the xbox controller for windows.
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