I have made a controller to drive motors open loop to determine the best commutation angles. The only problem is that it worked too well with my controller so I was too lazy to figure out which hall sensor went with which phase. I should play with that equipment again and refresh my memory.
On Mon, Jul 16, 2012 at 11:31 PM, Jon Elson <[email protected]> wrote: > Eric Keller wrote: > > > > When you say 6-channel, are you including hall tracks? I have a pile of > > the PacSci motors with tacsyns, not sure I'm up for setting the > commutation > > up though. > Exactly. These PacSci motors went REAL cheap because there was no > encoder on them. > I bought some Avago encoders with commutation from Avnet. You have to > be sure they > send you both parts (the glass disc and the read head), and you have to > order the encoder > with the right number of poles on the commutation. These encoders are > available with > 3/8" bore, but the PacSci motors I got have a larger shaft at the back > end. So, I will > have to do some fancy setup to turn the shafts on the lathe with the > motor riding > on the shaft. > > Setting the commutation is not that difficult. The latest procedure I > have seen is to > put current between two motor terminals and then align the encoder disc > until it > is on the edge between two codes of the Hall signals. Not exactly sure > which > code to set it for, but I think i can figure it out. > > Jon > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
