RTU is an acronym for "Remote Terminal Unit." It is a device used in the field of automation and control systems to monitor and control various equipment and processes remotely.
An RTU serves as a bridge between field devices or sensors and a central control system. It is typically designed to be installed in remote locations, where direct human supervision may not be possible or feasible. The primary function of an RTU is to collect real-time data from sensors, such as temperature, pressure, flow, and level, and transmit this information to the central control system for analysis and decision-making.
RTUs are equipped with communication interfaces, such as Ethernet, serial ports, or wireless connections, to interact with field devices and transmit data. They can also receive commands from the central control system to perform specific actions or control equipment, ensuring efficient and optimal operation.
Additionally, RTUs often have built-in data acquisition capabilities and local storage to log data and events in case of communication failures or interruptions. This data can later be retrieved and analyzed for diagnostics, maintenance, and process improvements.
In summary, an RTU is a versatile device used in automation and control systems to remotely monitor, acquire data from field devices, and control various processes. It plays a crucial role in achieving efficient and effective operation while reducing the need for constant on-site supervision.
