On Wed, 7 Aug 2013, propcoder wrote: > Date: Wed, 07 Aug 2013 05:55:54 +0300 > From: propcoder <marius.alks...@gmail.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: emc-users@lists.sourceforge.net > Subject: Re: [Emc-users] MESA 8i20 and enable signal > > > > On 08/07/2013 12:36 AM, Peter C. Wallace wrote: >>> Despite real and described in manual 8i20 pinout differences, I managed >>>> to run servo motor. So, the first question: why manual and pinout differs? >> Which pinout differences? I am not aware of any > > I mean driver parameters and pins and latest hostmot2 manual, where I > find 8i20 is http://www.linuxcnc.org/docs/html/man/man9/hostmot2.9.html#8i20
I dont think any of the NV parameters are settable as normal HAL pins (nor should they be) though setsserial may be be able to access them > > Now I checked command "man sserial" and found: > "... > Parameters: > The following parameters are exported. See the pdf > documentation > downloadable from Mesa for further details > hm2_5i25.0.8i20.0.1.angle-maxlim > hm2_5i25.0.8i20.0.1.angle-minlim > hm2_5i25.0.8i20.0.1.angle-scalemax > hm2_5i25.0.8i20.0.1.current-maxlim > hm2_5i25.0.8i20.0.1.current-minlim > hm2_5i25.0.8i20.0.1.current-scalemax > hm2_5i25.0.8i20.0.1.nvbrakeoffv > hm2_5i25.0.8i20.0.1.nvbrakeonv > hm2_5i25.0.8i20.0.1.nvbusoverv > hm2_5i25.0.8i20.0.1.nvbusundervmax > hm2_5i25.0.8i20.0.1.nvbusundervmin > hm2_5i25.0.8i20.0.1.nvkdihi > hm2_5i25.0.8i20.0.1.nvkdil > hm2_5i25.0.8i20.0.1.nvkdilo > hm2_5i25.0.8i20.0.1.nvkdp > hm2_5i25.0.8i20.0.1.nvkqihi > hm2_5i25.0.8i20.0.1.nvkqil > hm2_5i25.0.8i20.0.1.nvkqilo > hm2_5i25.0.8i20.0.1.nvkqp > hm2_5i25.0.8i20.0.1.nvmaxcurrent > hm2_5i25.0.8i20.0.1.nvrembaudrate > hm2_5i25.0.8i20.0.1.swrevision > hm2_5i25.0.8i20.0.1.unitnumber > > (float, rw) max_current > Sets the maximum drive current in Amps. The default value > is the > maximum current programmed into the drive EEPROM. The > value must > be positive, and an error will be raised if a current in > excess > of the drive maximum is requested. > ..." > > Take a look at "max_current" - it does not exist. There are three > parameters current-maxlim, current-minlim, current-scalemax instead. > > While in man9 we can see description of pin "(bit, in) amp-enable > Set this pin high to enable the drive.", which I can't find in my halshow. > >> >>>> >>>> Another strange thing I noticed is that 8i20 does not react to enable >>>> input. I drive it with 12V (Enable in + and Enable in -), but it does >>>> not makes sense. It turns on at LinuxCNC startup and turns off at >>>> LinuxCNC shutdown instead. I almost fried my motor, thinking the drive >>>> was turned off. >> >> That should not be. >> >> We made a change in enable and enable masks recently for an OEM >> and possible broke something or have a dependence on EEPROM setup that we >> should not have. >> >> We should have updated firmware tommorow that fixes the enable >> > > I think you found the right reason. Will wait for the fixes. > > > ------------------------------------------------------------------------------ > Get 100% visibility into Java/.NET code with AppDynamics Lite! > It's a free troubleshooting tool designed for production. > Get down to code-level detail for bottlenecks, with <2% overhead. > Download for free and get started troubleshooting in minutes. > http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
