could you negate the scale of the encoder counter? sam
On 05/26/2012 10:21 AM, lloyd wilson wrote: > First, the Hurco is alive! I carved emc/axis into a piece of aluminum > yesterday; thanks to all the participants for creating& supporting > emc/lcnc/linuxcnc/etc. > > Now to the next level - I'm using a hall sensor to detect spindle rpm; I > get a clean low-going pulse each revolution, as expected. This is fed as > input to the A channel of a hostmot2 encoder (running in counter mode). > The velocity output always reports as a negative number - consistent at > a given speed, larger abs. value at higher rpms, so it seems to be > properly following whatever algorithm it uses. I've tried forcing the B > channel to both high and low states without change in output behavior. > > Any thoughts about what may be going on? > > thanks > > lloyd > > ------------------------------------------------------------------------------ > 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 > Emc-users@lists.sourceforge.net > 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
