in reply to Re^3: RTU instead of TCP MBclient
in thread RTU instead of TCP MBclient

So it is enough only one parameter that is filehandle instead of two?

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Re^5: RTU instead of TCP MBclient
by Corion (Patriarch) on Oct 07, 2016 at 08:50 UTC

    I have not used the module, so I don't really know.

    But looking, a second time, at the source code, I find no mention of the parameter $speed and $addr in the code path likely taken on Windows, so maybe it would be worth a try.