On Wed, 17 Sep 2014, p...@wpnet.us wrote: > Date: Wed, 17 Sep 2014 09:50:39 -0500 > From: p...@wpnet.us > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] New to LinuxCNC and PnCConf and need some help... > > The Mesa 7i76 spindle I/O only operates as enable and dir as far as I know. > The notes say the enable output is hard linked with the enable for the > analog output. It all seems to work properly (outside if the instant reverse > issue) when testing in PnCConf's open loop test. Nothing in LinuxCNC which > leads me to believe there is a config issue somewhere in the HAL/INI.
Most VFDs will obey accel/deccel settings vs dir and enable commands (or Fwd/Rev commands). LinuxCNC expects this behavior as do most sample hal /ini files. For example, with tapping, direction is reversed instantly with no reference to VFD accel/decel ramps. If your VFD doesnt behave well with a direction change while moving, you will have to program around it in HAL or fix the internal VFD settings so it does not violate accel/decell settings during reversals. > Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ Want excitement? Manually upgrade your production database. When you want reliability, choose Perforce Perforce version control. Predictably reliable. http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
