On Thu, 23 Jul 2009 22:56:25 -0700 (PDT), you wrote: >Looking at the low end BOB(s) most are just using the power supplied from the >para port and running it through a switch or series of switches for HOME and >LIMIT. I have heard that due to the low power involved such wiring is subject >to noise and false trips.
Most of the BOB's I've seen require external power. A pull up resistor and 5V fixes the "low power". The false trips are nearly always due to NOT using screened cables (including limits) and poor grounding and wiring techniques. Steve Blackmore -- ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
