1771-IR输入模块

1771-IR输入模块

1771-IR输入模块

产品详情资料：

可编程序控制器，英文称Programmable Controller，简称PC。但由于PC容易和个人计算机（Personal Computer）混淆，故人们仍习惯地用PLC作为可编程序控制器的缩写。它是一个以微处理器为核心的数字运算操作的电子系统装置，专为在工业现场应用而设计，它采用可编程序的存储器，用以在其内部存储执行逻辑运算、顺序控制、定时/计数和算术运算等操作指令，并通过数字式或模拟式的输入、输出接口，控制类型的机械或生产过程。PLC是微机技术与传统的继电接触控制技术相结合的产物，它克服了继电接触控制系统中的机械触点的接线复杂、可靠性低、功耗高、通用性和灵活性差的缺点，充分利用了微处理器的优点，又照顾到现场电气操作维修人员的技能与习惯，特别是PLC的程序编制，不需要***的计算机编程语言知识，而是采用了一套以继电器梯形图为基础的简单指令形式，使用户程序编制形象、直观、方便易学；调试与查错也都很方便。用户在购到所需的PLC后，只需按说明书的提示，做少量的接线和简易的用户程序编制工作，就可灵活方便地将PLC应用于生产实践。

产品英文详情料:

Programmable Controller, also known as PC in English. However, due to the confusion between PC and Personal Computer, people still habitually use PLC as the abbreviation for programmable controller. It is an electronic system device with a microprocessor as the core for digital operation, designed specifically for industrial field applications. It uses programmable memory to store and execute logic operations, sequential control, timing/counting, and arithmetic operations instructions internally, and controls various types of mechanical or production processes through digital or analog input and output interfaces. PLC is a product of the combination of microcomputer technology and traditional relay contact control technology. It overcomes the shortcomings of complex wiring, low reliability, high power consumption, poor universality and flexibility of mechanical contacts in relay contact control systems, fully utilizing the advantages of microprocessors and taking into account the skills and habits of on-site electrical operation and maintenance personnel, especially the programming of PLC, which does not require * * * computer programming language knowledge, Instead, it adopts a simple instruction form based on the relay ladder diagram, making user programming visual, intuitive, and easy to learn; Debugging and error checking are also very convenient. After purchasing the required PLC, users only need to follow the instructions, do a small amount of wiring and simple user programming work, and can flexibly and conveniently apply the PLC to production practice.

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