Bringing New Code online with Step 7 over OPC on Industrial Ethernet

ISUcyclones

Member
Join Date
Mar 2008
Location
Charlotte, NC
Posts
6
Can you use an existing OPC over Industrial Ethernet connection to update code on a S7-300 PLC using Siemens Step 7? I found something somewhere that said this feature was "Optional".
 
No.

OPC is a standard for exchanging data, not code.

But if you have an OPC connection from the PC where you have STEP7 installed to the PLC, then you can also connect with STEP7 to the PLC.
 

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