![]() I have a rather strange situation happening - I have recently built the 420 unit with the parallel card and the UC-100 motion controller (first built and tested with the USB card and was able to use via WINPC much like the previous user) Then swapped out the USB for the parallel card and the UC100 device and after some significant changes to the setup on Mach3 I now have it working again - but with an exception that I cannot find a solution for - I can only run programs written in metric - the software "switch" for either metric or inches IS set to inches (have tried re-triggering this multiple times and it appears to operate as it should with a lighted indicator showing "inches" - but when a program is loaded (written in inches) it operates in metric. Once you have setup your Mach3 software and your UC100 drivers etc (As per the above videos) you will need the STEPCRAFT profile settings to import into Mach3. therefore the machine can be controlled on a laptop as as-well as a desktop. All the communication between Mach3 and the controller happens over USB communication and then the UC100 itself generates the motor signals for machine control. the UC100 is a full 6 axis motion controller. The UC100 is a lot more than just a parallel to USB converter. The UC100 will plug directly into the STEPCRAFT when a LPT card is loaded in the machine. ![]() The UC100 from CNC Drive allows you to control a CNC with your USB port. However - we do not recommend this as there are well known issues with LPT connection with Mach3.įor best results you need to have a USB motion controller. ![]() Once you have an LPT card in the machine you can connect the machine to a Desktop PC that also has a LPT output. The WinPC modules will not allow you to talk to Mach3. You need the STEPCRAFT machine configured with an LPT card - not with the WinPC cards.
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