Hi Jan, Workshop is on a 20A spur, light come off the spur on a 5A spur. CNC system (controller and PC) are connected to a UPS with surge protection. I'll give your suggestions a try. Andy
-------------------------------------------------- From: "Jan de Kruyf" <jan.de.kr...@gmail.com> Sent: Sunday, October 16, 2011 2:02 PM To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> Subject: Re: [Emc-users] OT EMC on control signal > Andy, > It is a very difficult situation to judge from 6000km away. > But my first sort of gutfeel would be to think that the noise enters the > system trough the power connection. > Have you got the drives' supply from the lighting circuit? (220V?) is it > possible to move it with a long extention to a completely different supply > circuit? Just for a test. > > May be give some more details and a global drawing of your setup. > Oh and by the way is your earthing system good and continuous? > > cheers > > j. > > > On Sun, Oct 16, 2011 at 2:21 PM, Andy Ibbotson > <andyi_w...@btinternet.com>wrote: > >> Hi >> I have my BF30 up and running EMC2 but I'm having problems with EMC >> noise. >> When I switch on the shop fluorescent lights they cause the motors to >> "jump" anyone got any advice re. shielding. All signal cable screens are >> grounded to the 7i43 (PC) ground. Link to Control box from PC is by a 1m >> bought 25Dsub cable. Motor power wires are 4core screened cables, >> screens >> are at PSU ground (isolated from Geckos and PC). Any help or advice >> will >> be appreciated. >> >> Machine is in the UK. >> Regards >> Andy >> >> ------------------------------------------------------------------------------ >> All the data continuously generated in your IT infrastructure contains a >> definitive record of customers, application performance, security >> threats, fraudulent activity and more. Splunk takes this data and makes >> sense of it. Business sense. IT sense. Common sense. >> http://p.sf.net/sfu/splunk-d2d-oct >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users >> > ------------------------------------------------------------------------------ > All the data continuously generated in your IT infrastructure contains a > definitive record of customers, application performance, security > threats, fraudulent activity and more. Splunk takes this data and makes > sense of it. Business sense. IT sense. Common sense. > http://p.sf.net/sfu/splunk-d2d-oct > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense. http://p.sf.net/sfu/splunk-d2d-oct _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users