FYI, I have a new page on my website containing my notes on the KBIC motor controller.
I am starting to think about how EMC could reverse motor direction. Maybe a standard H-bridge connected to the armature connections, A+ and A-? The KBIC manual indicates that the armature output cannot be disconnected unless the inhibit feature is activated. I would like to get an explanation why disconnecting the armature, while the KBIC is on, is a problem. I know SCR's won't turn off until the input voltage goes to zero, but that happens every 120th of a second. The KBIC seems to handle decelerations without a problem, so it seems to me, that back EMF is not a problem. For a direction change, I could start with invoking the inhibit, wait until the motor stops, switch the bridge and finally, deactivate inhibit. In the KBIC manual, I didn't find any information on the U terminal. I am guessing it is for a braking resistor? Any help would be appreciated. -- Kirk Wallace (California, USA http://www.wallacecompany.com/machine_shop/ Hardinge HNC lathe, Bridgeport mill conversion, doing XY now, Zubal lathe conversion pending) ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
