no, that's the TCP destination port, nothing todo with the slave
A TCP connection is defined by {sourceip-address,some source port,
destip-address,destination port}
once established, it's just a bidirectional stream of bytes with no
interpretation, just like a serial connection over /dev/ttySomething
a Modbus slave number tells one of the parties how to interpret the stuff
coming in/going out over this stream
-m
Am 28.02.2012 um 19:24 schrieb Kirk Wallace:
> On Tue, 2012-02-28 at 09:48 -0800, Kirk Wallace wrote:
> ... snip
>> My guess is that anywhere you would put the serial slave address one can
>> put the TCP address instead. If you are already changing the port, just
>> put the IP address in with it, maybe like:
>> "192.168.1.10:9502"
>> ^^^IP ADR^^^:^Port
> ... snip
>
> I just noticed the command line option "--modbus_port". I'm wondering if
> this means "modbus_slave_address"? If so, "--modbus_port
> 192.168.1.10:9503" might be appropriate. Although, at the moment I can't
> seem to get anything other than the demo to start, so that shows you
> what I know.
> --
> Kirk Wallace
> http://www.wallacecompany.com/machine_shop/
> http://www.wallacecompany.com/E45/index.html
> California, USA
>
>
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