{"id":68722,"date":"2023-12-18T22:24:30","date_gmt":"2023-12-18T14:24:30","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68722"},"modified":"2023-12-18T22:24:30","modified_gmt":"2023-12-18T14:24:30","slug":"rtxxyyjk","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68722.html","title":{"rendered":"RS485\u901a\u4fe1\u534f\u8bae\u4e0e\u63a5\u53e3"},"content":{"rendered":"

  RS485\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u5efa\u7b51\u63a7\u5236\u3001\u667a\u80fd\u5bb6\u5c45\u7b49\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u7684\u57fa\u672c\u539f\u7406\u3001\u4f18\u52bf\u3001\u5e94\u7528\u4ee5\u53ca\u4e0e\u5176\u4ed6\u901a\u4fe1\u534f\u8bae\u7684\u6bd4\u8f83\u3002<\/p>\n

RS485\u901a\u4fe1\u534f\u8bae\u4ecb\u7ecd<\/h2>\n

  RS485\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

  RS485\u662f\u4e00\u79cd\u534a\u53cc\u5de5<\/a>\u3001\u5dee\u5206\u4f20\u8f93\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u5b83\u4f7f\u7528\u4e24\u6839\u6570\u636e\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u4e00\u6839\u662f\u6b63\u5411\u6570\u636e\u7ebf\uff0c\u53e6\u4e00\u6839\u662f\u8d1f\u5411\u6570\u636e\u7ebf\u3002\u8fd9\u79cd\u5dee\u5206\u4f20\u8f93\u7684\u65b9\u5f0f\u4f7f\u5f97RS485\u5728\u6297\u5e72\u6270\u6027\u80fd\u4e0a\u6709\u5f88\u5927\u4f18\u52bf\u3002<\/p>\n

  RS485\u4e0e\u5176\u4ed6\u901a\u4fe1\u534f\u8bae\u7684\u6bd4\u8f83<\/h3>\n

  \u4e0eRS232\u534f\u8bae\u76f8\u6bd4\uff0cRS485\u53ef\u4ee5\u652f\u6301\u591a\u8fbe128\u4e2a\u8bbe\u5907\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\u8fdb\u884c\u901a\u4fe1\uff0c\u800cRS232\u901a\u5e38\u53ea\u80fd\u652f\u6301\u4e00\u4e2a\u8bbe\u5907\u4e0e\u53e6\u4e00\u4e2a\u8bbe\u5907\u901a\u4fe1\u3002\u6b64\u5916\uff0cRS485\u7684\u901a\u4fe1\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u800cRS232\u53ea\u80fd\u8fbe\u523015\u7c73\u5de6\u53f3\u3002<\/p>\n

  \u4e0eRS422<\/a>\u534f\u8bae\u76f8\u6bd4\uff0cRS485\u53ef\u4ee5\u5b9e\u73b0\u66f4\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\u4ee5\u53ca\u66f4\u591a\u7684\u4ece\u8bbe\u5907\u6570\u91cf\uff0c\u4f46RS422\u5728\u4f20\u8f93\u901f\u7387\u4e0a\u66f4\u4e3a\u7a33\u5b9a\uff0c\u5e76\u4e14\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u5bf9\u901a\u4fe1\u901f\u7387\u548c\u7a33\u5b9a\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/p>\n

RS485\u63a5\u53e3\u5e94\u7528<\/h2>\n

  \u5de5\u4e1a\u63a7\u5236\u9886\u57df<\/h3>\n

  \u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\uff0cRS485\u901a\u5e38\u88ab\u7528\u4e8e\u8fde\u63a5PLC\u3001\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49\u8bbe\u5907\uff0c\u5b9e\u73b0\u6570\u636e\u91c7\u96c6\u3001\u63a7\u5236\u6307\u4ee4\u4e0b\u53d1\u7b49\u529f\u80fd\u3002\u5176\u6297\u5e72\u6270\u3001\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u7279\u70b9\uff0c\u4f7f\u5f97RS485\u6210\u4e3a\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u7684\u9996\u9009\u901a\u4fe1\u65b9\u5f0f\u3002<\/p>\n

  \u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf<\/h3>\n

  \u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\uff0cRS485\u63a5\u53e3\u5e38\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\uff0c\u5982\u667a\u80fd\u5f00\u5173\u3001\u667a\u80fd\u63d2\u5ea7\u3001\u667a\u80fd\u7167\u660e<\/a>\u7b49\uff0c\u5b9e\u73b0\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u3002RS485\u53ef\u4ee5\u7a33\u5b9a\u5730\u4f20\u8f93\u5404\u79cd\u4f20\u611f\u5668\u7684\u6570\u636e\uff0c\u540c\u65f6\u652f\u6301\u591a\u8bbe\u5907\u63a5\u5165\uff0c\u4f7f\u5176\u5728\u667a\u80fd\u5bb6\u5c45\u7cfb\u7edf\u4e2d\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u4f5c\u4e3a\u4e00\u79cd\u901a\u4fe1\u534f\u8bae\u548c\u63a5\u53e3\uff0c\u5177\u6709\u6297\u5e72\u6270\u6027\u5f3a\u3001\u901a\u4fe1\u8ddd\u79bb\u8fdc\u3001\u652f\u6301\u591a\u8bbe\u5907\u63a5\u5165\u7b49\u4f18\u52bf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u667a\u80fd\u5bb6\u5c45\u7b49\u9886\u57df\u3002<\/strong>\u5bf9\u4e8e\u9700\u8981\u7a33\u5b9a\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a7\u5236\u7684\u573a\u666f\uff0cRS485\u662f\u4e00\u4e2a\u503c\u5f97\u8003\u8651\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u5efa\u7b51\u63a7\u5236\u3001\u667a\u80fd\u5bb6\u5c45\u7b49\u9886\u57df\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRS485\u7684\u57fa\u672c\u539f\u7406\u3001\u4f18\u52bf\u3001\u5e94\u7528\u4ee5\u53ca\u4e0e\u5176\u4ed6\u901a\u4fe1\u534f\u8bae\u7684\u6bd4\u8f83\u3002RS485\u901a\u4fe1\u534f\u8bae\u4ecb<\/p>\n","protected":false},"author":1,"featured_media":64231,"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":[137],"class_list":["post-68722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-txxy"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68722","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=68722"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68722\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=68722"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=68722"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=68722"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}