Re: Monitoring RS485
- From: "Fred" <fred@xxxxxxxxxxx>
- Date: Tue, 29 Nov 2005 11:36:16 -0000
"Daniele" <daniele.gadaleta@xxxxxxxxx> wrote in message
news:1133261166.326280.232030@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi all,
>
>
> i need an informatio about rs485:
> I need to watch netwrok trafic from my device and another device that
> use rs485 to comunicate. Is possible to connect in parallel mode
> another peripherical (like a pc via rs232) to trace all the message
> that is exchange from two device?
>
>
> Thanks in advanced
>
>
> Daniele
>
Use a MAX485 or similar to convert the signals to TTL RS232 and then a
MAX202 or similar to get back to true RS232. With luck your serial port
might take the TTL levels. The baud rates for most application are
generally the same as standard RS232 baud rates. You might have to check
with a scope if not sure. Then use a RS232 terminal emulator of some sort.
HyperTerminal in WinXP is one example.
.
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