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.
>
>