国产PLC 三大巨头区别在哪，PLC编程学一种够用了吗？
国产PLC厂商三巨头：宝信、中控和汇川，相比国外厂商，差距究竟在哪里？https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/d17793ddb7134f72b0c416a7a469416f~tplv-tt-shrink:640:0.image?lk3s=06827d14&traceid=20240702220724FBA844FA82A1B3AC0FA8&x-expires=2147483647&x-signature=gjsFqrT1sqk8Dcz8gSwsRX%2BxgEY%3Dhttps://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/b299334fc3764c23b4b06b659f345a00~tplv-tt-shrink:640:0.image?lk3s=06827d14&traceid=20240702220724FBA844FA82A1B3AC0FA8&x-expires=2147483647&x-signature=AWip92uQ8C%2Fi6KBfYUs3CFKSdYw%3D
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现在市场上的PLC牌子分为两类：进口有欧姆龙、三菱、西门子、施耐德等，国产的有汇川、台达、信捷等。需要说明的是，无论哪个牌子的PLC都是符合国际标准的。IEC（国际电工委员会）是为电子技术的所有领域制定全球标准的国际组织。IEC61131是plc的国际标准，我国参照IEC 61131标准，在1995年12月发布了PLC的国家标准GB/T 15969。
IEC 61131由以下5部分组成：通用信息、设备与测试要求、编程语言、用户指南和通信。其中的第三部分(IEC61131-3)是PLC的编程语言标准。IEC 61131-3是世界上第一个，也是至今为止唯一的工业控制系统的编程语言标准。
目前已有越来越多的生产 PLC 的厂家提供符合 IEC61131-3标准的产品，IEC 61131-3已经成为dcs(集散控制系统)、IPC(工业控制计算机)、FCS(现场总线控制系统)、SCADA(数据采集与监视控制)和运动控制系统事实上的软件标准。）
所有PLC的编程语言基本都是基于这个标准开发的，所以说无论学习哪个牌子的PLC都是可以举一反三的。在实际使用过程中针对不同的设备不同工艺流程，我们要合理的选用PLC，用其长处，避其短处。
一、先学会并精通一种PLCPLC的厂商可谓百花齐放，每家都有自己的特色。对于初次接触的人来说，可谓无从下手，只能在以后的工作中慢慢发现从而不断地学习。但是我们可以在一开始就根据自己的所处的地区和行业有针对性地选择适合的PLC去学习，从而节省更多的时间和精力。在最开始的时候，其实没有必要纠结于哪一种牌子。可以根据自己不同需求来选择相应的产品来学习。
二、举一反三，掌握其他牌子PLC初学PLC对于很多新手来说，学习西门子还是三菱很容易造成混乱。三人易行的老师是这样回复的：学习你能接触到的，日常工作中会用到的品牌PLC，就是你最好的选择，等你精通一种PLC之后，再举一反三，学习其他PLC就会容易许多。
不同性质的电气工程师所需要掌握的PLC数量不同，如设备厂的电气工程师，公司只指定一个或两个PLC牌子，那就对这一两个牌子进行学习并专研，但是如果是外协的电气工程师则需要较强的学习能力，各类品牌的PLC都会接触到，所以说工作的性质不同，需要学习的宽度会不一样，但是内容的总量是差不多的。https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/fdc8da3f3f2042588fbb4ffef3b8b407~tplv-tt-shrink:640:0.image?lk3s=06827d14&traceid=20240702220724FBA844FA82A1B3AC0FA8&x-expires=2147483647&x-signature=WWUDS%2BhCZnOG%2FLmEpWsznKsM9zw%3D
针对不同的设备不同的控制方式，需要合理地选用PLC，用其长处，避其短处。日系三菱、欧姆龙；德系西门子；国产汇川、台达都是市场份额很高的PLC牌子。
建议先从这些市场份额高的牌子当中选择一种，精通掌握，之后再举一反三，学习其他牌子的PLC。各个品牌的PLC功能其实都差不多，指令也是大同小异。别去学习那些冷门的PLC，要学一定学习使用更广泛的PLC品牌，比如上面提到的日系三菱或者德系西门子或者国产汇川等等。
浅评一下：内容优质，值得推荐～ 救命！这波发言太秀了，直接原地封神～
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