On Thu, 19 Mar 2015, Eric H. Johnson wrote: > Date: Thu, 19 Mar 2015 10:19:33 -0400 > From: Eric H. Johnson <[email protected]> > Reply-To: "Enhanced Machine Controller (EMC)" > <[email protected]> > To: [email protected] > Subject: [Emc-users] Differential line driver module > > Hi all, > > > > The short question: > > I am looking for any recommendations on a differential line driver module > for use with the encoder signals to the Mesa 7i33 quad analog servo > interface. I found this one, but it takes a single ended signal and converts > it to differential. My encoders are already wired differential. > > http://www.cncdrive.com/Difflinedriver.html >
You could use our EncY for this (assuming we get it back in stock soon) > > > Explanation: > > I am retrofitting a large gantry machine, where the existing system dealt > with this problem by mounting the amplifiers, power supplies and controller > on / in the gantry. With the components I need to add, that is a lot of > electronics I would rather not have in motion. Moving it to a panel on the > other end of the gantry e-chain means going through another 20' of e-chain, > plus whatever it takes to land it in the panel. The panel can be mounted > quite close to the end of the e-chain. Round trip, that is an additional > 50' or so for the encoder signals. > > > > The gantry is 16' wide, so the round trip distances to the respective motors > would roughly work out to: > > Y1: 55' > > Y2: 90' > > X: 90' > > A: 100' > > > > The Z axis is a two position pneumatic head, so does not require an encoder, > however there is a small amount of discreet 5V I/O that might have to run > similar distances, most of which would be no significant hardship to convert > to 24V. I am using the Mesa 7i37 board for this I/O. Also, as a rotary axis, > the A axis could home to the encoder index signal, the other axes don't > require the index signal. > > > > Any recommendations are appreciated. > > > > Thanks, > > Eric > > > > > <http://t.signalequattro.com/e1t/o/5/f18dQhb0S7ks8dDMPbW2n0x6l2B9gXrN7sKj6v4 > LCQRN7fcnk8RJ6s6N8rBF7Rd3_yKW18Chwm1k1H6H0?si=6453247850577920&pi=c7f8453b-1 > 91e-46df-8bed-5e58ae16bfc1> > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming The Go Parallel Website, sponsored > by Intel and developed in partnership with Slashdot Media, is your hub for all > things parallel software development, from weekly thought leadership blogs to > news, videos, case studies, tutorials and more. Take a look and join the > conversation now. http://goparallel.sourceforge.net/ > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > Peter Wallace Mesa Electronics (\__/) (='.'=) This is Bunny. Copy and paste bunny into your (")_(") signature to help him gain world domination. ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
