产品技术细节:KUC755AE117 3BHB005243R0117 数字输入控制器模块 ABB
可编程逻辑控制器(Programmable Logic Controller,简称PLC),一种具有微处理机的数字电子设备,用于自动化控制的数字逻辑控制器,可以将控制指令随时加载内存内储存与执行。可编程控制器由内部CPU,指令及资料内存、输入输出单元、电源模组、数字模拟等单元所模组化组合成。
广泛应用于工业控制领域。在可编程逻辑控制器出现之前,一般要使用成百上千的继电器以及计数器才能组成具有相同功能的自动化系统,而现在,经过编程的简单的可编程逻辑控制器模块基本上已经代替了这些大型装置。可编程逻辑控制器的系统程序一般在出厂前已经初始化完毕,用户可以根据自己的需要自行编辑相应的用户程序来满足不同的自动化生产要求。
最初的可编程逻辑控制器只有电路逻辑控制的功能,所以被命名为可编程逻辑控制器,后来随着不断的发展,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、多机通信等许多的功能,名称也改为可编程控制器(Programmable Controller),但是由于它的简写也是PC与个人电脑(Personal Computer )的简写相冲突,也由于多年来的使用习惯,人们还是经常使用可编程逻辑控制器这一称呼,并在术语中仍沿用PLC这一缩写。
Programmable Logic Controller (PLC) is a digital electronic device with a microprocessor, used for automation control. It can load control instructions into memory at any time for storage and execution. The programmable controller is modular and composed of internal CPU, instruction and data memory, input and output units, power modules, digital analog and other units.
Widely used in the field of industrial control. Before the emergence of programmable logic controllers, it was generally necessary to use hundreds or thousands of relays and counters to form automation systems with the same functionality. However, now, simple programmable logic controller modules that have been programmed have basically replaced these large devices. The system program of programmable logic controllers is usually initialized before leaving the factory, and users can edit corresponding user programs according to their own needs to meet different automation production requirements.
Initially, programmable logic controllers only had the function of circuit logic control, so they were named programmable logic controllers. Later, with continuous development, these originally simple computer modules had many functions, including logic control, timing control, analog control, multi machine communication, and so on. The name was also changed to Programmable Controller, However, due to its conflicting abbreviation between PC and Personal Computer, and due to years of usage habits, people still often use the term programmable logic controller, and the abbreviation PLC is still used in terminology.
更多的库存现货点击:KUC755AE117 3BHB005243R0117 数字输入控制器模块 ABB
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