Hey Jon, thanks for your fast reply and your link. I just had a closer look, fortunately the stg watchdog pin 17 on P2 is still unused on my breakout box pcb, so i can incorporate that into the pcb when i do a new one.
Cheers Max > Chris Radek wrote: >> On Wed, Nov 12, 2008 at 05:43:19AM +0100, Maximilian wrote: >> >> >>> When i close the axis gui with the big X in the upper right corner of >>> the window my amps stay tuned on and start drifting because there is no >>> pid controller providing any commanded position. >>> [...] >>> Hardware is a stg2 card. >>> >> Does the STG have a watchdog? If not, you really need an external >> charge pump in your estop chain. There's no other safe way. >> > The STG has a sort of watchdog function, it toggles an output at 20 Hz > or something when it is constantly getting updates from the computer. > I did build a circuit to shutdown the servo amps and aux functions, see > the 2nd schematic from the bottom at > http://pico-systems.com/EMC.html > > I don't know why this is still on my web site, but it did work for the STG. > > Jon > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
