PROMESS 850040060P
850040060P可编程逻辑控制器(Programmable Logic Controller,PLC),一种具有微处理器的用于自动化控制的数字运算控制器,可以将控制指令随时载入内存进行储存与执行。可编程控制器由CPU、指令及数据内存、输入/输出接口、电源、数字模拟转换等功能单元组成。850040060P早期的可编程逻辑控制器只有逻辑控制的功能,所以被命名为可编程逻辑控制器,后来随着不断地发展,这些当初功能简单的计算机模块已经有了包括逻辑控制、时序控制、模拟控制、多机通信等各类功能,名称也改为可编程控制器(Programmable Controller),但是由于它的简写PC与个人电脑(Personal Computer)的简写相冲突,加上习惯的原因,人们还是经常使用可编程逻辑控制器这一称呼,并仍使用PLC这一缩写。 850040060P现在工业上使用的可编程逻辑控制器已经相当或接近于一台紧凑型电脑的主机,其在扩展性和可靠性方面的优势使其被广泛应用于目前的各类工业控制领域。850040060P不管是在计算机直接控制系统还是集中分散式控制系统DCS,或者现场总线控制系统FCS中,总是有各类PLC控制器的大量使用。PLC的生产厂商很多,如西门子、施耐德、三菱、台达等,几乎涉及工业自动化领域的厂商都会有其PLC产品提供。


850040060P Programmable Logic Controller (PLC), a digital arithmetic controller with microprocessor for automatic control, can load control instructions into memory for storage and execution at any time. Programmable controller consists of CPU, instruction and data memory, input/output interface, power supply, digital-analog conversion and other functional units. The early 850040060P programmable logic controller only had the function of logic control, so it was named as programmable logic controller. Later, with the continuous development, these computer modules with simple functions at the beginning already have various functions including logic control, timing control, analog control, multi-computer communication, etc., and their names were also changed to Programmable Controller. However, due to the conflict between its abbreviation PC and the abbreviation of Personal Computer, and the habit, people often use the name programmable logic controller, and still use the abbreviation PLC. 850040060P Programmable Logic Controller (PLC) now used in industry is equivalent to or close to the host of a compact computer. Its advantages in expansibility and reliability make it widely used in various industrial control fields. 850040060P is widely used in computer direct control system, centralized and decentralized control system DCS, or field bus control system FCS. There are many manufacturers of PLC, such as Siemens, Schneider, Mitsubishi, Delta, etc., and almost all manufacturers involved in the field of industrial automation will provide their PLC products.



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