Thanks both,
I'm using the status inputs on both boards for home and limit plus a supplementary signal, so J 1-4 on both boards will be step and direction only. So both boards need to be set to output only mode? If I set the boards as both output only, I can still use inputs to the status input pins, can't I?
I just want to have a manual E stop button that stops the machine when I hit it, all the status inputs usable, and my six step/dir and (+5v) common's all working.... is the picture in the manual showing how to connect up gecko drivers the right one to let me do this? (My drivers need step, dir, and +5V for their optos.) If so, I'll happily just copy the jumper settings on that diagram, instead of trying to understand it... Not sure if I need the charge pump;- does enabling the charge pump in Mach increase the load on the CPU much?
Also, as I have E stop capability on both boards, should I wire the E stop button to both boards, so as to disable both data buses at the same time? Or would that produce the same effect as just applying the E stop signal to only one board? Bearing in mind I have 6 axes, 4 on one board and 2 of the 4 on the second one. I'm thinking it would be good to free one of the Estop pins up to use as another input, in case the need arises.
Thanks,
Rich B