On Thu, 27 Mar 1997, Norm Cramer wrote: > I am also trying to do the same thing. My goal is power and data thru a > two wire interface. I have a scheme that I think will work but the data > rate is limited (OK for my application). I would be interested in learning > more about M-Bus. Where can I get more info? > > Thanks, > > Norm > > At 07:03 PM 3/25/97 +0000, you wrote: > >Hello, > > > > I'm trying to do a network where i have a master and a lot of > >slaves, the slaves must monitor their inputs for impulses and when the > >master asks, they must send information about the impulses. I've been > >looking for some network schem but until now i've not decided, what i > >really want (and i think i found it) ist's a way to send data and power to > >the slaves width fewer cables. It's a protocol called M-Bus, have someone > >done something like this (or width any other protocol) ? > > > >Thanks. > > > > > There's a page about M-Bus in http://fb6www.uni-paderborn.de/M-Bus/mbusdoc/default.htm They talk about a chip called TSS721. I can't find any information about it, has someone used it before ? Antonio Almeida