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It turned out the problem was caused by slightly loose spade connectors on the limit switches. They are the right size and were not coming off but were just loose enough to make a break in the...

I think you may have hit the nail on the head with your last sentence. I'm not getting consistant ohms readings through the switch chain so I've temporarily by-passed them. Having re-fitted the 4mm...

Hi
I have designed and built a gantry style cnc router which is now up and running. However I have a persistent problem with the machine stopping part way through a cut. It stops by throwing up a...

I cannot set Active high in Mach3 only uncheck Active Low. I have tried it both ways. I also tried to use the auto set up but when it asks for the switch to be pressed it doesn't receive any signal.

Thanks for your reply. Well I have connected all of the grounds together and selected active low and I get a constant red flashing Reset alarm which I cannot clear even before I press the e-stop...

Hi.
I am building my own gantry style CNC router and have come to setting up the e-stop. The manual for the Bob shows a wire from P10 through the N/C e-stop switch and back to the ground next to...