Ok, I'll work on that this morning. Thanks JT
On 12/20/2015 7:57 AM, Dave Caroline wrote: > It might help to draw a diagram showing the electronics (drives > modules etc) and where they are grounded showing outlines of the > cases. > > This is to get an idea where any common mode interference signals can come > from. > > Also pictures of the wiring with annotation of wire bundles to get an > idea of any capacitive or inductive coupling. > > Dave Caroline > > On 20/12/2015, John Thornton <j...@gnipsel.com> wrote: >> I have a BP knee mill with an Anilam 1100M CNC kit on it. I've removed >> all the Anilam controls a while back. I've retained the drives and power >> supply and added a GS2 VFD for the spindle. I have a 5i25 7i77 setup. >> From the get go I've had problems with the electronics on this machine. >> The VFD is controlled by modbus via the gs2 component. The VFD gets >> reset to default parameters all the time from noise on the modbus. the >> 5i25 get sserial errors. The sserial errors are so bad now it won't even >> move an axis. The spindle works ok. The power supply is a simple bridge >> rectifier with a huge blue cap and a large power resistor across the cap. >> >> Peter keeps telling me it's a grounding issue so where do I start >> looking and what do I need to do? >> >> Thanks >> JT >> >> ------------------------------------------------------------------------------ >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users