Kirk Wallace wrote: > Do the Hall commutation sensors, on BLDC motors, output analog or > digital signals? Is there overlap in the timing or is there possibly a > gap between one Hall output and the next? > > Generally it is "supposed" to be a digital signal, but on motors that use bare Hall sensors (rather than really using some sort of encoder) then there may be a less digital nature to them.
With 3 Hall signals, there are 8 possible states. The only states consiered invalid are all high, or all low. The way they work, generally, these states would never exist, so it will always have either 1 or 2 signals high, and only one should ever be changing at a time. Jon ------------------------------------------------------------------------------ Stay on top of everything new and different, both inside and around Java (TM) technology - register by April 22, and save $200 on the JavaOne (SM) conference, June 2-5, 2009, San Francisco. 300 plus technical and hands-on sessions. Register today. Use priority code J9JMT32. http://p.sf.net/sfu/p _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
