Hi Tom. Have you tried to configure the VFD in Sensorless Vector Mode ? Please can you detail the brand and code manufacturer of your VFD ?
Alex On Tue, Jun 23, 2015 at 9:44 AM, Karlsson & Wang < [email protected]> wrote: > If spindle motor is an asynchronous motor and simple voltage frequency > control. Are your sure voltage frequency characteristics are correctly set? > > If motor get hot on low RPM even then not loaded you will almost certainly > use to high voltage. > > > Nicklas Karlsson > > > > On Mon, 22 Jun 2015 13:48:23 -0400 > Tom Easterday <[email protected]> wrote: > > > I am controlling a spindle motor with a VFD commanded by modbus. My > current speed range is 0-3500 rpm. If I run the spindle below 275 rpm the > current spikes and triggers the VFD’s protection shutoff. How do I set the > minimum spindle speed so that the user can’t command a speed below 275rpm? > > -Tom > > > > > > > ------------------------------------------------------------------------------ > > Monitor 25 network devices or servers for free with OpManager! > > OpManager is web-based network management software that monitors > > network devices and physical & virtual servers, alerts via email & sms > > for fault. Monitor 25 devices for free with no restriction. Download now > > http://ad.doubleclick.net/ddm/clk/292181274;119417398;o > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Monitor 25 network devices or servers for free with OpManager! > OpManager is web-based network management software that monitors > network devices and physical & virtual servers, alerts via email & sms > for fault. Monitor 25 devices for free with no restriction. Download now > http://ad.doubleclick.net/ddm/clk/292181274;119417398;o > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Monitor 25 network devices or servers for free with OpManager! OpManager is web-based network management software that monitors network devices and physical & virtual servers, alerts via email & sms for fault. Monitor 25 devices for free with no restriction. Download now http://ad.doubleclick.net/ddm/clk/292181274;119417398;o _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
