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12/1/2012 8:43 PM | |
Joined: 9/27/2006 Last visit: 8/31/2024 Posts: 12282 Rating:
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Hello KRK; For anyone who needs to understand the basics of Modbus communications before programming a master or a slave in Siemens software, I highly recommend our friend smiffy's very clear post ion the subject: Modbus General Description Then have a look at the following manual and sample program: SIMATIC ET 200S Serial interface modules Sample et200s 1si Modbus master. Hope this helps, Daniel Chartier |
12/3/2012 10:04 AM | |
Posts: 62 Rating:
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Thank you very much for your useful attachements thanks krk |
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