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Introduction to Industry 4.0 · Module 03: communication protocols · Lesson
Siemens, Rockwell and Schneider make different PLCs, and the machines still talk to each other and to the supervisory system. This lesson shows which protocols bridge them, how OPC was created to standardize the conversation across vendors, and what OPC UA and MTConnect add.
In this lesson
- PROFINET, EtherNet/IP and Modbus between sensors, actuators, PLCs and SCADA
- From OPC DA to OPC UA: platform independence, security and interoperability
- Modern equipment that already exposes its data over OPC UA, and how that eases monitoring
- MTConnect, the open standard for CNC machines and robots that makes operational data available