Modbus is often used to connect a plant/system supervisory computer with a remote terminal unit (RTU) in supervisory control and data acquisition (SCADA) systems.

Apr 26, 2024 · It uses RS-485, RS-422, and RS-232 interfaces, as well as Ethernet TCP/IP networks (Modbus TCP) for data transfer. The Modbus RTU message consists of the SlaveID …

When controllers are setup to communicate on a Modbus network using RTU (Remote Terminal Unit) mode, each eight-bit byte in a message contains two four-bit hexadecimal characters.

Detailed technical specs, use cases, advantages, and implementation guide for Modbus RTU. Choose Modbus RTU for simple applications, legacy integrations, cost-sensitive projects, or …

Jan 30, 2025 · Modbus RTU is a cornerstone protocol in industrial automation, widely recognized for its simplicity and efficiency in facilitating reliable communication between devices over …

Aug 28, 2025 · Modbus RTU (Remote Terminal Unit) is one of the most widespread and critical communication protocols in industrial automation. Its simplicity, open nature, and reliability …

May 30, 2025 · In addition to the functionality defined at the PDU core of the Modbus protocol, you can use multiple network protocols. The most common protocols are serial and TCP/IP, …