{"id":69215,"date":"2023-12-24T04:01:26","date_gmt":"2023-12-23T20:01:26","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=69215"},"modified":"2023-12-24T04:01:26","modified_gmt":"2023-12-23T20:01:26","slug":"rhrdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/69215.html","title":{"rendered":"RS232\u548cRS485\u7684\u533a\u522b"},"content":{"rendered":"

  RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u6570\u636e\u91c7\u96c6\u548c\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u6807\u51c6\u7684\u533a\u522b\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u666f\u3002<\/p>\n

RS232\u4e32\u53e3\u901a\u4fe1<\/h2>\n

  RS232\u662f\u4e00\u79cd\u6700\u65e9\u88ab\u5e7f\u6cdb\u5e94\u7528\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u9002\u7528\u4e8e\u5355\u70b9\u901a\u4fe1\u548c\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002RS232\u4f7f\u7528\u8f83\u9ad8\u7684\u7535\u538b\u6765\u8868\u793a\u903b\u8f91\u503c\uff0c\u901a\u5e38\u4e3a\u6b63\u8d1f12V\uff0c\u4e14\u4fe1\u53f7\u5f15\u811a\u5b9a\u4e49\u4e3a\u6570\u636e\u4f20\u8f93\u5f15\u811a\uff08TXD\uff09\u548c\u6570\u636e\u63a5\u6536\u5f15\u811a\uff08RXD\uff09\u3002RS232\u9002\u5408\u5728\u8f83\u77ed\u8ddd\u79bb\u5185\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4e14\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u4e2a\u4eba\u7535\u8111\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002<\/p>\n

  RS232\u7684\u4e3b\u8981\u7279\u70b9<\/h3>\n

  1. \u903b\u8f91\u7535\u5e73\u4e3a+12V\u548c-12V\u3002<\/p>\n

  2. \u70b9\u5bf9\u70b9<\/a>href=”https:\/\/www.techphant.cn\/tag\/dddtx” target=”_blank” rel=”noopener”>\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\uff0c\u4e00\u5bf9\u4e00\u8fde\u63a5\u3002<\/p>\n

  3. \u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u7ea6\u4e3a50\u82f1\u5c3a\uff08\u7ea615\u7c73\uff09\u3002<\/p>\n

RS485\u4e32\u53e3\u901a\u4fe1<\/h2>\n

  \u4e0eRS232\u4e0d\u540c\uff0cRS485\u662f\u4e00\u79cd\u9002\u7528\u4e8e\u591a\u70b9\u901a\u4fe1\u548c\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002RS485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u6765\u4f20\u8f93\u6570\u636e\uff0c\u901a\u5e38\u4e3a\u6b63\u8d1f\u4e24\u4e2a\u4fe1\u53f7\u7ebf\uff08A\u548cB\uff09\uff0c\u8fd9\u4f7f\u5176\u66f4\u9002\u5408\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u566a\u97f3\u6291\u5236\u3002RS485\u9002\u7528\u4e8e\u5efa\u7acb\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u7f51\u7edc\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u81ea\u52a8\u5316\u8bbe\u5907\u7b49\u3002<\/p>\n

  RS485\u7684\u4e3b\u8981\u7279\u70b9<\/h3>\n

  1. \u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6570\u636e\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/p>\n

  2. \u53ef\u4ee5\u5efa\u7acb\u591a\u70b9\u901a\u4fe1\u7f51\u7edc\uff0c\u4e00\u5bf9\u591a\u8fde\u63a5\u3002<\/p>\n

  3. \u6700\u5927\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe4000\u82f1\u5c3a\uff08\u7ea61200\u7c73\uff09\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u800c\u8a00\u4e4b\uff0cRS232\u9002\u5408\u5355\u70b9\u901a\u4fe1\u548c\u8f83\u77ed\u8ddd\u79bb\u7684\u4e32\u884c\u901a\u4fe1\uff0c\u800cRS485\u9002\u5408\u591a\u70b9\u901a\u4fe1\u548c\u8fdc\u8ddd\u79bf\u7684\u4e32\u884c\u901a\u4fe1\u3002<\/strong>\u5728\u9009\u62e9\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u65f6\uff0c\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u6765\u8003\u8651\u901a\u4fe1\u8ddd\u79bf\u3001\u6297\u5e72\u6270\u80fd\u529b\u4ee5\u53ca\u901a\u4fe1\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/a>\u7b49\u65b9\u9762\u7684\u56e0\u7d20\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u6570\u636e\u91c7\u96c6\u548c\u901a\u4fe1\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u6807\u51c6\u7684\u533a\u522b\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u666f\u3002<\/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":[68],"class_list":["post-69215","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69215","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=69215"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69215\/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=69215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=69215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=69215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}