Greetings all; I have the psu and a 2m542 driver about half wrapped so I can power it and run it with a function generator. To get it to drive that table which has considerable drag to help hide the backlash, so in order to get a decent turn rate, in the 30 degrees/second rate, I've given it 3.7 amps, probably a bit much for what I think is a 250 oz/in nema 23 motor.
Them temp rise is about 80F, or about to 150F in a 70 degree environment after running steadily for an hour. If I enable the half power when stopped function, I can't see as that too hot given its running duty cycle. Stopped power is half current, or 1/4 of the heat generated at full song. Does anyone else have an opinion? Unmarked motor, bought with the original xylotec board and 3 motor kit in the later 90's. ============================ The different BoB will be here in another 25 or so hours, at which point I'll hook it up when I change the bob for a much faster one. No opto's on this one. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ 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
