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 <tom-...@bgp.nu> 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 > Emc-users@lists.sourceforge.net > 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
