2012/11/28 Peter C. Wallace <[email protected]>: > On Wed, 28 Nov 2012, Peter C. Wallace wrote: >> >> What you did is not really good, you applied 85% of full motor voltage >> continously before you had the commutation worked out. This will likely >> result >> in overheating and shutdown of the 7I39, since you will get full peak current >> out of the 7I39 with the motor efecctivly stalled (step motor mode). It >> could have possibly damaged the 7I39 though this is not too likely. >> > > > I should also say that you should disconnect power and let the 7I39 cool as it > very likely will overheat and do a thermal shutdown if overloaded this way. > The thermal shutdown is designed to protect the 7I39 in cases like this but is > not 100% reliable depending on the circumstances
Thank You! I am at home now as it is past 9 PM for me, so the drive will have a chance to cool down for the night and tomorrow I will try it again with bldc value = 0.1 -- Viesturs If you can't fix it, you don't own it. http://www.ifixit.com/Manifesto ------------------------------------------------------------------------------ Keep yourself connected to Go Parallel: INSIGHTS What's next for parallel hardware, programming and related areas? Interviews and blogs by thought leaders keep you ahead of the curve. http://goparallel.sourceforge.net _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
