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Fieldbus and industrial ethernet

Widely used in Industry 4.0 and Industrial IoT applications, wired communication technology is continuously growing and is evolving from traditional fieldbus to ethernet-based bus in order to connect Human Machine Interfaces, programmable logic controllers, machines, I/Os, drives, actuators, and sensors. Communication channels in IIoT need to transfer several types of data, with different levels of determinism and latency. Specific industrial ethernet protocols have therefore been deployed, as the standard Ethernet with TCP/IP could not address this need.

Our products and solutions

Enabling secure and reliable wired communication for factory, process, and building automation, ST offers a large and consistent portfolio of silicon products for wired communication, including processors, transceivers and protection devices, companion chips from partner companies, software and configuration tools. The wide STM32 microcontroller and microprocessor portfolio brings an optimized solution in terms of performance and energy efficiency for applications requiring a connection to industrial standards based on RS-485, CAN, or Ethernet.

Design services and software from ST Authorized Partners for STM32 MCUs and MPUs are available for many protocols and standards such as CANopen, CANopen FD, Modbus, PROFIBUS, PROFINET, Ethernet/IP, EtherCAT, CC-Link IE, POWERLINK, OPC UA, Single Pair Ethernet. This allows companies to focus on their application development, while relying on an existing ecosystem to connect their system to the industrial buses.

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