Re: [ts-7000] Re: rs485

["Don W. Carr" <>]

Ok, I see you are also working on Modbus. I have some modbus code based on a project I did years ago to convert a proprietary protocol to modbus since the manufacturer of a software package would not do a modbus driver. It is C++ based, but I was planning to convert it to C with a C++ wrapper. I will also be doing a bridge so that you can connect local serial devices and then access them over the network, thus turning an SBC running Linux into a modbus TCP/IP - modbus serial bridge. Of course you could do the opposite and access a modbus TCP/IP device anywhere on the network from a locally attached modbus serial master device. I will be looking at the modbus code you have. Thanks,

Don.

On 7/7/06, Yan Seiner <> wrote:

--- In ts-7000%40yahoogroups.com, "Don W. Carr" <> wrote:
>
> Ok, I am planning on using modbus RS485, so glad to hear it is all
working
> so well. I did not realize you could switch the port between RS485
and RS232
> though. Who else is using Modbus (RS232, RS485, or TCP/IP)?
>

Modbus RTU - see
<http://www.seiner.com/ts7000/index.php/Modbus_and_Serial_Comm>

The TS_SER4 drivers show how you switch back and forth. It should be
pretty clear in the in-line comments.

--Yan

-- 
Dr. Don W. Carr
J. G. Montenegro 2258
Guadalajara, Mexico
+52-333-630-0704
+52-333-836-4500 ext 2930

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