Siemens MPI s7 300 PDA

hi all,
the thing is....i have already connected a s7 300 to PC, with a HMI adapter!
my problem is to analyse the MPI protocol in labview without a "*.dll" a opc client or another driver!!
i would like to analyse the MPI protocol direct from my serial port, because my intention is to export my vi later to "PDA"......and actually the pda module dosent support ==>("*.dll" a opc client or another driver)!!!
please help
and thank you for response"

Siemens does not provide much/any information on their MPI protocol. You can find some info regarding MPI serial commands at:
http://www.runmode.com/usefulstuff.htm#MPI%20protocol%20info
and
http://libnodave.sourceforge.net/index.php
There have been a few threads at www.control.com over the past few years from people trying to do simple MPI serial drivers for PDA�s with things other than LabVIEW. If you search for �mpi protocol� on that site, a few of the hits may be helpful.
Good luck.
=====================================================
Fading out. " ... J. Arthur Rank on gong."

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Attachments:
manual_writing_to_plc.png ‏298 KB

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