On 30 March 2010 12:41, Sven Wesley <svenne.d...@gmail.com> wrote: > I'm not sure I'm following you, it sounds like your solution is a relay that > controls a relay, and then the problem remains?..
He is using a "charge pump" which energises the relays only when there is a continuous square-wave signal on the P-Port pin. Stepconf can create a charge-pump output for you. If emc is not running, or hangs, then the square-wave signal stops, and the relays open. Circuit diagrams and explanation can be found here: http://www.artofcnc.ca/ChargePumpSafety.pdf -- atp ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
