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1SI MODBUS/USS

1/24/2011 9:04 AM	Rate (0)
bjornidar Regular Member Joined: 1/24/2011 Last visit: 5/7/2024 Posts: 4 Rating: (0)	Hi! I'm new at this and could really use some "getting started" help with this component. I've downloaded the newest example blocks from this page: https://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csSearch&objaction=cssearch&lang=en&siteid=cseus&query=&query2=ET200S%201si&content=adsearch/adsearch.aspx I'm having trouble choosing the right FB to use. Here is what I need: I need to read a slave and compy it's values to a DB. I also need to write/ set some bits to a slave DB/ address.

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1/24/2011 9:49 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello Bjornidar, you need S_SEND and S_RCV for the Modbus communication. Just have a look at the sample program zXX21_11_1SI_MODBUS. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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1/24/2011 9:55 AM	Rate (0)
bjornidar Regular Member Joined: 1/24/2011 Last visit: 5/7/2024 Posts: 4 Rating: (0)	Ok, thank you! So I won't be needing the FC19 as described in the ecample?

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