易卖工控网(www.ymgk.com)提供”ABB 1756-L32CA-1”,产品详情:品牌/厂家:ABB、型号:1756-L32CA-1、成色:全新、货期:现货 1天内发货、保修:180天,更多产品详情就上易卖工控网。
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,控制各种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,不需要专门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。Thomas & Betts Elastimold 276BWP Well Plug 15/25kV
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