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M-Bus

hi all

i'm searching for a M-BUS sniffer? M-Bus is a special bus where the master will send a voltage (idle state typically 36V) and an active voltage (12V below, but at least

12V). the slaves (max 250) are current sinks with an idle state of 1,0..1,5mA and a active state of 11..20mA. they also can use the max 1,5mA as power supply. the transfer rate is maximum 115k2bit/s.

has anyone somethink like this?

thanks peda

Reply to
pedast
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it sounds like a telephone line!

--

Bye.
   Jasen
Reply to
Jasen Betts

no it's not a telephon line. the master is changing the voltage and the slaves are changing the current...

regards peter

Reply to
pedast

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