> Message: 8 > Date: Sun, 31 Aug 2008 11:39:34 -0700 > From: "Doug Crews" <[EMAIL PROTECTED]> > Subject: [Emc-users] Reslover feedback instead of Encoders? > To: <[email protected]> > Message-ID: <[EMAIL PROTECTED]> > Content-Type: text/plain; charset="us-ascii" > > Hello everyone, > > > > A quick question (hopefully). I have a substantial inventory of Kollmorgan > Servo Motors and Servo Drives (CD series)$. All the motors have resolvers > for feedback not encoders. The Servo drives are also configured for > resolvers as well. I really want to use emc on a processing machine that > will use 9 of these servo motors but I first need to know if I can use the > inventory I have. My instinct tells me the Servo Drives should work because > the loop is not being closed at the drive but rather at the host computer. > The question is will any of the Mesa products or others accommodate resolver > feedback. > > > > Has anyone successfully used resolvers in an application? > Doug, I haven't used any yet but Jon Elson just delivered some resolver converter boards. They are a new product from him. They are based on an ADI chip. We tested them. They show almost no delay. pico-systems.com Stuart
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