- Open Platform Communications Unified Architecture (OPC UA)
- Protocol available free of charge, and was specifically designed for industrial automation.
- Enables information and data exchange between machines and equipment that have it
- Covers the most well-known equipment brands.
- Does not require a server for data acquisition.
- Most widely used universal system, which more and more manufacturers are integrating into their products
- Protocol very present in IoT (Internet of Things)
- Message Queuing Telemetry Transport (MQTT)
- Protocol available free of charge. Quite common for industrial automation, but also very present in home automation.
- Enables information and data exchange between machines and equipment that have it
- Covers the most well-known equipment brands,
- Requires a server for data acquisition.
- Low data consumption in transition, therefore reducing network bandwidth and more economic
- Universal system that more and more manufacturers are integrating into their products
- Protocol very present in IoT (Internet of Things)
- S7.net now s7netplus TCP/IP protocol, was developed by freelance programmers and made available free of charge to the public
- Specifically for Siemens PLCs (S7-200, S7-300, S7-400, S7-1200, S7-1500)
- High communication speed, compared to other protocols
- No data server required