[ts-7000] Re: TS-7200 talking to Siemens S7-200

["sergio_dellasantina" <>]

That's it, Mark!

I disabled the ISTRIP and now everithing works fine!!
Thank you so much

Sergio

--- In   wrote:
>
> >The modbus messages sent by the TS-7200 are correctly received by the
> >S7, but the answers sent back from the S7 to the TS-7200 device have
> >the most significant bit of their bytes set to zero, regardless of
> >their real value.
> 
> Typically, this is because you have the serial port set up to strip
> parity bits from the received bytes.  The man page for termios has all
> the details you need.  You probably want to turn off ISTRIP in c_iflag,
> and make sure you are using CS8 in c_flag.
> 
> ( I usually memset the termios struct to 0, then explicitly set only
> the bits that I want. )
> 
> Mark S.
>




 
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