{"id":44390,"date":"2023-09-28T15:50:50","date_gmt":"2023-09-28T07:50:50","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=44390"},"modified":"2023-09-28T15:50:50","modified_gmt":"2023-09-28T07:50:50","slug":"pydtxyjz","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/44390.html","title":{"rendered":"PLC\u4e0eDCS\u901a\u8baf\u6709\u51e0\u79cd"},"content":{"rendered":"

  PLC\uff08Programmable Logic Controller\uff09\u548cDCS\uff08Distributed Control System\uff09\u662f\u5f53\u4eca\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d\u6700\u5e38\u7528\u7684\u63a7\u5236\u7cfb\u7edf\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u901a\u8baf\u5bf9\u4e8e\u5de5\u5382\u7684\u8fd0\u884c\u6709\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecdPLC\u4e0eDCS\u4e4b\u95f4\u7684\u51e0\u79cd\u901a\u8baf\u65b9\u5f0f\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u4f18\u7f3a\u70b9\u3002<\/p>\n

1. \u4e32\u884c\u901a\u8baf<\/h2>\n

  1.1 RS-232<\/h3>\n

  RS-232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u8baf\u6280\u672f\uff0c\u5176\u6700\u5927\u7684\u7279\u70b9\u662f\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u5982Modbus\u3001DF1\u7b49\u3002RS-232\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u901a\u8baf\uff0c\u5176\u4f20\u8f93\u901f\u7387\u4e5f\u5f88\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u5230115.2Kbps\u3002\u4f46\u662f\uff0cRS-232\u7684\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\uff0c\u5b83\u53ea\u80fd\u652f\u6301\u4e00\u5bf9\u4e00\u7684\u901a\u8baf\uff0c\u800c\u4e14\u5176\u53d7\u5e72\u6270\u7a0b\u5ea6\u4e5f\u6bd4\u8f83\u9ad8\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u7528\u4e8e\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u3002<\/p>\n

  1.2 RS-485<\/h3>\n

  RS-485\u662fRS-232\u7684\u53d8\u79cd\uff0c\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u66f4\u8fdc\uff0c\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u800c\u4e14\u5b83\u8fd8\u652f\u6301\u591a\u70b9\u901a\u8baf\uff0c\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3002\u6b64\u5916\uff0cRS-485\u7684\u53d7\u5e72\u6270\u7a0b\u5ea6\u4e5f\u6bd4RS-232\u4f4e\uff0c\u5b83\u53ef\u4ee5\u5728\u590d\u6742\u7684\u7f51\u7edc\u73af\u5883\u4e2d\u53d1\u6325\u66f4\u597d\u7684\u6548\u679c\u3002\u4f46\u662f\uff0cRS-485\u7684\u4f20\u8f93\u901f\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u53ea\u670919.2Kbps\uff0c\u56e0\u6b64\u5b83\u4e0d\u9002\u5408\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

2. \u7f51\u7edc\u901a\u8baf<\/h2>\n

  2.1 Ethernet<\/h3>\n

  Ethernet\u662f\u4e00\u79cd\u5c40\u57df\u7f51\u6280\u672f\uff0c\u5b83\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u5982TCP\/IP\u3001Modbus TCP\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u70b9\u901a\u8baf\uff0c\u4f20\u8f93\u901f\u7387\u4e5f\u5f88\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u523010Mbps\u3002\u6b64\u5916\uff0cEthernet\u8fd8\u5177\u6709\u826f\u597d\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u7f51\u7edc\u653b\u51fb\u3002\u4f46\u662f\uff0cEthernet\u7684\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\uff0c\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u53ea\u6709100\u7c73\uff0c\u800c\u4e14\u5b83\u7684\u5b89\u88c5\u6210\u672c\u4e5f\u6bd4\u8f83\u9ad8\u3002<\/p>\n

  2.2 Wireless<\/h3>\n

  Wireless\u662f\u65e0\u7ebf\u7f51\u7edc\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u591a\u70b9\u901a\u8baf\uff0c\u4f20\u8f93\u901f\u7387\u4e5f\u5f88\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u523054Mbps\u3002\u6b64\u5916\uff0cWireless\u7684\u4f20\u8f93\u8ddd\u79bb\u4e5f\u6bd4\u8f83\u957f\uff0c\u4e00\u822c\u53ef\u4ee5\u8fbe\u5230150\u7c73\uff0c\u800c\u4e14\u5b83\u7684\u5b89\u88c5\u6210\u672c\u4e5f\u6bd4\u8f83\u4f4e\u3002\u4f46\u662f\uff0cWireless\u7684\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\uff0c\u5b83\u7684\u5b89\u5168\u6027\u8f83\u5dee\uff0c\u5bb9\u6613\u53d7\u5230\u5916\u90e8\u5e72\u6270\uff0c\u800c\u4e14\u5b83\u7684\u4fe1\u53f7\u8986\u76d6\u8303\u56f4\u4e5f\u6bd4\u8f83\u5c0f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  PLC\u4e0eDCS\u4e4b\u95f4\u7684\u901a\u8baf\u6709\u591a\u79cd\u4e0d\u540c\u7684\u65b9\u5f0f\uff0c\u5982\u4e32\u884c\u901a\u8baf\u548c\u7f51\u7edc\u901a\u8baf\u7b49\u3002<\/strong>\u6bcf\u79cd\u901a\u8baf\u65b9\u5f0f\u90fd\u6709\u81ea\u5df1\u7684\u4f18\u70b9\u548c\u7f3a\u70b9\uff0c\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u901a\u8baf\u65b9\u5f0f\u65f6\uff0c\u5e94\u8be5\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u6765\u786e\u5b9a\u6700\u4f73\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

PLC\uff08ProgrammableLogicController\uff09\u548cDCS\uff08DistributedControlSystem\uff09\u662f\u5f53\u4eca\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u4e2d\u6700\u5e38\u7528\u7684\u63a7\u5236\u7cfb\u7edf<\/p>\n","protected":false},"author":1,"featured_media":4132,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[149],"class_list":["post-44390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-plcontroller"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/44390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=44390"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/44390\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=44390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=44390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=44390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}