On Sat, Mar 3, 2012 at 4:12 AM, Viesturs Lācis <viesturs.la...@gmail.com>wrote:
> 2012/3/3 Anders Wallin <anders.e.e.wal...@gmail.com>: > > > > To make your design fool-proof you need to sense current, possibly on > > all three motor phases, and do it reliably and quickly in order to > > shutdown the IRAMS and/or pwm-source when something bad happens. > > Anders, can You suggest, how to implement that (preferably a simple > and easy way, so that even child or golden retriever :) would > understand)? The scheme in my IRAMS datasheet suggests using Shunt > resistors for that, but I suspect that something else should also be > needed, but I have no idea, how these things actually work. > > Viesturs > > I used hall effect sensors because they were already built and available. They do have some problems with linearity and offset and are pretty expensive. I was thinking about going with the Allegro current sensing chips for my next design. Eric ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
