ICST08A9 模拟远程单元 具有远程数据采集控制和通信功能

ICST08A9 模拟远程单元 具有远程数据采集控制和通信功能

远程终端单元( Remote Terminal Unit，RTU)，一种针对通信距离较长和工业现场环境恶劣而设计的具有模块化结构的、特殊的计算机测控单元，它将末端检测仪表和执行机构与远程调控中心的主计算机连接起来，具有远程数据采集、控制和通信功能，能接收主计算机的操作指令，控制末端的执行机构动作。按照国标CB/T 14429 – 93《远动设备及系统术语》中的定义，远动指应用通信技术，完成遥测、遥信、遥控和遥调等功能的总称，简称“四遥”

RTU可以用各种不同的硬件和软件来实现，取决于被控现场的性质、现场环境条件、系统的复杂性、对数据通信的要求、实时报警报告、模拟信号测量精度、状态监控、设备的调节控制和开关控制。由于各制造商采用的数据传输协议、信息结构和检错技术不同，各制造厂家一般都生产SCADA系统中配套的专用RTU。

ICST08A9 模拟远程单元 具有远程数据采集控制和通信功能

Remote Terminal Unit (RTU), a special computer measurement and control unit with a modular structure designed for a long communication distance and harsh industrial site environment, which connects the terminal detection instrument and the actuator to the main computer of the remote control center. With remote data acquisition, control and communication functions, can receive the operation instructions of the main computer, control the end of the actuator action. According to the definition of the national standard CB/T 14429-93 "Telemetry equipment and system terminology", telemetry refers to the application of communication technology to complete the functions of telemetry, remote communication, remote control and remote adjustment, referred to as "four remote".

RTU can be implemented with a variety of different hardware and software, depending on the nature of the controlled site, the site environmental conditions, the complexity of the system, the requirements for data communication, real-time alarm reporting, analog signal measurement accuracy, condition monitoring, equipment regulation control and switching control. Due to the different data transmission protocols, information structures and error detection techniques used by various manufacturers, each manufacturer generally produces a dedicated RTU in the SCADA system.

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