On Saturday, January 29, 2011 04:25:23 pm Igor Chudov did opine: > On Sat, Jan 29, 2011 at 2:00 PM, Chris Radek <[email protected]> wrote: > > On Sat, Jan 29, 2011 at 07:43:42AM -0600, Igor Chudov wrote: > > > The way this system works is that the motor has a little tiny > > > toothed > > > > belt > > > > > going to the resolver, wires from resolver go into "Resolver to > > > > Quadrature > > > > > Encoder Converter" > > > > I have three of these -- they work great. There is a calibration > > procedure to set the amplitude jumpers. It is really easy to do with > > a dual trace scope. I think the instructions are on the pico site. > > Did you do anything to set the amplitude? If you have a scope it's > > really easy to turn the resolver and see if it looks "sane". > > I have a Tektronix 2445A oscilloscope, I will give it a try. > > Thanks > > i > That scope is now old enough to have attenuator errors that do NOT track between the channels. So I would, if you see a difference, interchange the probes and see if the error stays with the channel or with the circuit.
-- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) <http://tinyurl.com/ddg5bz> Quantity is no substitute for quality, but its the only one we've got. ------------------------------------------------------------------------------ Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
