What is CODESYS and what protocols does it support?

CODESYS is an industrial automation software platform based on the IEC 61131-3 standard. It allows developers to write automation programs using programming languages such as structured text, ladder diagram, function block diagram and sequential function chart. The design concept of CODESYS is to provide a unified development environment that allows developers to easily develop applications for different hardware platforms and operating systems. In addition, CODESYS also supports multiple programming languages and development tools, such as C, C++, Java and Python, which further enhances its flexibility and scalability.

• Modbus: This is an industrial control application protocol that supports communication between controllers and devices. CODESYS supports Modbus RTU and Modbus TCP modes, which are suitable for control and monitoring of automation equipment.

• CANopen: An application layer protocol based on the CAN bus, used to achieve communication between controllers and devices. CODESYS supports CANopen and can be used for complex system function implementation.

• Profibus and Profinet: Both protocols are Ethernet-based communication protocols designed for industrial automation. CODESYS provides integration of Profibus master and slave stations, as well as support for Profinet.

• EtherCAT: This is a high-performance Ethernet communication protocol known for its low latency and high synchronization. CODESYS supports EtherCAT as a real-time Ethernet system and provides an integrated configurator and protocol stack.

• OPC UA: This is a cross-platform, cross-language communication standard. CODESYS provides OPC UA Server/Client, allowing data exchange between different systems and devices.

• BACnet/IP: BACnet is a standardized data communication protocol for building automation and control networks. CODESYS integrates BACnet, including configurators, protocol stacks and real-time runtime components.

• IO-Link: CODESYS supports IO-Link through an integrated IO-Link master configurator, allowing sensors and actuators to be accessed and operated in automation systems.

• EtherNet/IP: Built on the application layer of the "Common Industrial Protocol" (CIP), CODESYS supports EtherNet/IP and provides scanner and adapter functions without the need for additional hardware.

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