S7comm (S7)
- Formal
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The S7 protocol is designed for transfering the data into the SCADA systems via the Ethernet.
- Practical
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S7comm (S7 Communication) is a Siemens proprietary protocol that runs between programmable logic controllers (PLCs) of the Siemens S7-300/400 family. It is used for PLC programming, exchanging data between PLCs, accessing PLC data from SCADA (supervisory control and data acquisition) systems and diagnostic purposes.
