Andy, More information. The full error is: hm2/hm2_7i43.0: TRAM write error! (addr=0x1000, size=8, iter=42444).
I did try upping the servo period from the default 1ms to 1.5ms, but no difference. Regards, Eric On August 23, 2017 10:02:23 AM EDT, "Eric H. Johnson" <[email protected]> wrote: >Andy, > >I am using a 7i43 with 7i33 encoder daughter board and 7i37 IO daughter >board. I am using a slightly modified version of the stock 7i43-big.ini >configuration for check out purposes. I just add signals to >individually test the IO before trying to run the real configuration. > >For some reason, I was not able to get the amplifier enable to work off >of the 7i33 board, even though it is wired identically (AFAIK) to the >machine next to it. For the time being I am using an output off the >7i37, which is working. > >At any rate, in hm2-servo.hal, under >Z [2] Axis >the enable reads: >net emcmot.02.enable => hm2_[HOSTMOT2](BOARD).0.pwmgen.02.enable > >I then added a line: > >net emcmot.02.enable => hm2_7i43.0.gpio.046.out > >If this line is commented out, I get no error. With it in, I get the >TRAM error as soon as I try to do a machine on. > >Regards, >Eric > > >On August 23, 2017 8:11:10 AM EDT, andy pugh <[email protected]> >wrote: >>On 23 August 2017 at 06:43, Eric H. Johnson <[email protected]> >>wrote: >> >>> I am getting a "TRAM write error", and not finding much on it in a >>search. I >>> am running lcnc 2.8.0-pre1, and using the Mesa 7i43 board. The error >>occurs >>> when I physically assert the enable for the third axis. The first >two >>axes >>> came up fine, but if the only change I make to the configuration is >>to do an >>> enable to the third amplifier, the error will occur. Is it perhaps >>related >>> to the period of the servo loop? >> >>It shouldn't be. All the outputs are written every cycle whether they >>need it or not. >> >>The code that generates the error is here: >>https://github.com/LinuxCNC/linuxcnc/blob/af15a4d90e1d51d5309db65fe1c9511e486df411/src/hal/drivers/mesa-hostmot2/tram.c#L196 >> >>But I seem to recall that the driver maps llio_write (and presumably >>to llio_queue_write) to different functions depending on the connected >>hardware. >> >>How are you enabling the amplifier? Can you show us the code that >>causes the problem? Also, which firmware are you using? >> >>-- >>atp >>"A motorcycle is a bicycle with a pandemonium attachment and is >>designed for the especial use of mechanical geniuses, daredevils and >>lunatics." >>— George Fitch, Atlanta Constitution Newspaper, 1916 >> >>------------------------------------------------------------------------------ >>Check out the vibrant tech community on one of the world's most >>engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>_______________________________________________ >>Emc-users mailing list >>[email protected] >>https://lists.sourceforge.net/lists/listinfo/emc-users > >-- >Sent from my Android device with K-9 Mail. Please excuse my brevity. >------------------------------------------------------------------------------ >Check out the vibrant tech community on one of the world's most >engaging tech sites, Slashdot.org! http://sdm.link/slashdot >_______________________________________________ >Emc-users mailing list >[email protected] >https://lists.sourceforge.net/lists/listinfo/emc-users -- Sent from my Android device with K-9 Mail. Please excuse my brevity. ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
