Gerhard Fiedler email (remove spam text)
Martin Klingensmith wrote:
>> I see that they connect all the drivers together, so this means that
>> I'll have to waste a pin to enable/disable the transmitters I'm not
>> using. Is there a correct way to a multidrop network on rs485 ?
> I stole this [attached PNG image] from an Omega D1000 series manual. The
> difference may be that the slave modules cannot initiate communications
> perhaps, but it only requires two lines.
This saves wires for the connections between the devices, but not the
processor pin Mauricio was talking about (to enable/disable the individual
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See also: www.piclist.com/techref/io/serials.htm?key=rs485
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