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RND2LL
PostPosted: Wed Oct 28, 2009 2:36 am 

Joined: Mon Oct 19, 2009 8:18 am
Posts: 5
Hi, friends. I need sample programm for M340 communication with any ethernet device(freqdrive for example) over Modbus TCP.
Please, i need it very much.
Schneider says come to Moscow for training. o_O.
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Kuzyma
PostPosted: Thu Jan 28, 2010 12:21 pm 

Joined: Tue May 12, 2009 11:32 am
Posts: 31
If you mentioned Moscow I guess you are Russian speaker. Try to read this articles:
http://se-automation.in.ua/2011/06/tran ... s-tcp.html
http://se-automation.in.ua/2011/06/tran ... nning.html
and watch video from them. I think it would be useful for you.
:)
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Schtiel
PostPosted: Thu Sep 29, 2011 5:32 pm 
Site Admin

Joined: Wed Sep 06, 2006 3:03 pm
Posts: 1097
Location: CIS
Use ADDM and READ_VAR / WRITE_VAR functions.

For example, to read first 8 holding registers from device with IP 192.168.1.5 with Modbus TCP it should be done like this:

Image
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Oldman
PostPosted: Fri Dec 09, 2011 9:52 am 

Joined: Tue Aug 21, 2007 10:05 am
Posts: 797
http://support.automation.siemens.com/W ... 0&csbinh=8
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