So the Raspberry Pi worked ok with the 7i92? Good to hear because I am going to upgrade my machine soon and was thinking of using that combination.
On Tue, Sep 15, 2020 at 11:39 AM John Dammeyer <[email protected]> wrote: > > -----Original Message----- > > From: Jon Elson [mailto:[email protected]] > > Sent: September-15-20 8:50 AM > > To: Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] False mesages at lcnc launch > > > > On 09/15/2020 08:40 AM, Gene Heskett wrote: > > > > > > Axis X Fault > > > Axis Z Fault > > > Axis X Fault > > > Axis Z Fault > > > > > Note that a lot of drives present the fault signal when > > disabled. I have had to build a module to "cover" that > > signal when not enabled so that LinuxCNC can be brought out > > of E-stop. > > > > Jon > > I did the same thing with a small PIC micro-controller because the STMBL > drives fault on low motor voltage so the fault is there before the DC High > voltage is applied which causes the ESTOP which prevents the DC High > Voltage from being turned on which causes the STMBL drive fault... > > All because the system enable switches on the DC power supplies for the > various motors and also asserts the drive enable. There was probably a way > to fix that in the HAL file but this system had to work with both > Win-XP/MACH3 and LinuxCNC and MachineKit for the Beagle. > > All three systems attached to the BoB via a PC based parallel port > connection but how the port signals are created varies with the system. > > In the case of the: > LinuxCNC PC it can use the stock parallel port or the MESA 7i92H > Raspberry Pi4 the MESA 7i92H > BeagleBone Black the Xylotex BBB_DB25 (haven't tried that in a while) > WIN-XP either PC parallel port or USB Smooth Stepper. > > It's been an interesting research project. > John Dammeyer > > > > > > > _______________________________________________ > > Emc-users mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > -- "Anyone who believes exponential growth can go on forever in a finite world is either a madman or an economist." -Kenneth Boulding, economist Corporations are NOT people and money is NOT speech! _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
