Originally Posted by
Chuck Keysor
Hello Elink...... I feel your pain. As a guess, based upon my own experience, do you normally cut wood, and are you now with this new job, cutting plastic? I don't think I have ever had a Com Error while cutting wood. But when I cut PVC, I can almost expect to have a "Com Error" if I am making a long cut. If I am cutting plastic, with a short file, maybe 10 minutes, I may get lucky and have it work, maybe not.
Many people have posted ways to ground your machine and your dust collector (I don't have one, but if you do, vacuuming plastic dust can generate high ESD discharges, that can corrupt your data exchanges between your PC and the machine). I have tried every recommendation I can for grounding my machine found on the forum, and have called Shopbot. I think I have the problem licked, then I get a "Com Error", and lose my position near the end of a long run. I really hate this. So I hope you have better luck than I have.
There has been past discussion of some control/communication change, that could dump all of the file data into the Shopbot controller, and eliminate the corruptible interactive data exchange, which seems highly appealing to me. But it seems it is not coming to a shopbot near me. I have frankly forgotten the details, but I wish that there would be such a fundamental change to the data transfer architecture.
Well, I'll watch, and see if you are cutting plastic, if anyone can give you some good direction on improving the grounding of your machine and/or your dust collector................ Best of luck, Chuck