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Thread: OPC in Siemens S7 414.4H PLCs
October 27th, 2010, 10:44 AM #1moDBus Guest
OPC in Siemens S7 414.4H PLCs
I'd like to communicate to this PLC by means of OPC protocol. Is that possible? Specifically, I want to give inputs to PLC, and get its outputs from it using this communications. I have a machine that computes all field values. I give them to the PLC, which makes its control and gives some outputs. Again with OPC, I take these outputs to give the machine its inputs.
How would it be the topology of the connection? Can I assume that PLC can work as an OPC server?
As you see, I have several big doubts,...
Thank you all.
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