{"id":69228,"date":"2023-12-17T17:54:55","date_gmt":"2023-12-17T09:54:55","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=69228"},"modified":"2023-12-17T17:54:55","modified_gmt":"2023-12-17T09:54:55","slug":"rhrqbsfcw","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/69228.html","title":{"rendered":"RS232\u548cRS485\u533a\u522b\u8bf4\u6cd5\u9519\u8bef"},"content":{"rendered":"

  RS232\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u7136\u800c\uff0c\u5173\u4e8eRS232\u548cRS485\u7684\u533a\u522b\u8bf4\u6cd5\u4e2d\u5b58\u5728\u4e00\u4e9b\u5e38\u89c1\u7684\u8bef\u89e3\u3002\u672c\u6587\u5c06\u9488\u5bf9\u8fd9\u4e9b\u9519\u8bef\u8bf4\u6cd5\u8fdb\u884c\u6f84\u6e05\uff0c\u5e76\u5e26\u60a8\u6df1\u5165\u4e86\u89e3\u8fd9\u4e24\u79cd\u901a\u4fe1\u6807\u51c6\u7684\u5b9e\u9645\u533a\u522b\u3002<\/p>\n

RS232\u4e0eRS485\u901a\u4fe1\u539f\u7406\u7684\u771f\u6b63\u533a\u522b<\/h2>\n

  \u8bb8\u591a\u4eba\u9519\u8bef\u5730\u8ba4\u4e3aRS232\u4e0eRS485\u7684\u533a\u522b\u5728\u4e8e\u5176\u6ce2\u7279\u7387<\/a>\u6216\u8ddd\u79bb\u9650\u5236\u3002\u5b9e\u9645\u4e0a\uff0cRS232\u548cRS485\u6700\u57fa\u672c\u7684\u533a\u522b\u5728\u4e8e\u901a\u4fe1\u539f\u7406\u3002RS232\u662f\u4e00\u79cd\u5355\u7aef\u901a\u4fe1\u6807\u51c6\uff0c\u4f7f\u7528\u4e00\u5bf9\u4fe1\u53f7\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u800cRS485\u5219\u662f\u4e00\u79cd\u5dee\u5206\u901a\u4fe1\u6807\u51c6\uff0c\u4f7f\u7528\u4e00\u5bf9\u4fe1\u53f7\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5177\u6709\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n

  RS232\u901a\u4fe1\u539f\u7406<\/h3>\n

  RS232\u6807\u51c6\u4f7f\u7528\u4e00\u5bf9\u4f20\u8f93\u7ebf\uff08TXD\u548cRXD\uff09\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u8f83\u77ed\u8ddd\u79bb\u7684\u901a\u4fe1\u3002\u7531\u4e8e\u5176\u5355\u7aef\u4f20\u8f93\u7684\u7279\u6027\uff0cRS232\u5bf9\u7535\u6c14\u566a\u58f0\u548c\u5e72\u6270\u8f83\u4e3a\u654f\u611f\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u3001\u4e32\u53e3\u6253\u5370\u673a\u7b49\u8fd1\u8ddd\u79bb\u901a\u4fe1\u8bbe\u5907\u3002<\/p>\n

  RS485\u901a\u4fe1\u539f\u7406<\/h3>\n

  RS485\u6807\u51c6\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u4f7f\u7528\u4e00\u5bf9\u4f20\u8f93\u7ebf\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5177\u6709\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u66f4\u8fdc\u7684\u4f20\u8f93\u8ddd\u79bb\u3002\u8fd9\u4f7f\u5f97RS485\u9002\u7528\u4e8e\u5de5\u63a7\u9886\u57df\u548c\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u73af\u5883\u3002<\/p>\n

RS232\u4e0eRS485<\/a>\u5728\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u8bef\u89e3<\/h2>\n

  \u53e6\u4e00\u4e2a\u5e38\u89c1\u7684\u8bef\u89e3\u662f\u5c06RS232\u4e0eRS485\u7b80\u5355\u5730\u89c6\u4e3a\u9002\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u5de5\u4e1a\u8bbe\u5907\u7684\u6807\u51c6\u3002\u5b9e\u9645\u4e0a\uff0c\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\uff0cRS232\u548cRS485\u90fd\u6709\u5404\u81ea\u7684\u5e94\u7528\u573a\u666f\uff0c\u800c\u4e14\u5e76\u975eRS485\u4e00\u5b9a\u9002\u7528\u4e8e\u6240\u6709\u5de5\u4e1a\u573a\u666f\u3002<\/p>\n

  \u9002\u7528\u573a\u666f\u7684\u9009\u62e9\u8bef\u533a<\/h3>\n

  \u6709\u4e9b\u4eba\u9519\u8bef\u5730\u8ba4\u4e3a\u53ea\u6709RS485\u624d\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\uff0c\u800cRS232\u53ea\u9002\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u7b49\u8bbe\u5907\u3002\u5b9e\u9645\u4e0a\uff0cRS232\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u5de5\u4e1a\u573a\u666f\u4e2d\u540c\u6837\u53ef\u4ee5\u53d1\u6325\u4f5c\u7528\uff0c\u4f8b\u5982\u5728\u8ddd\u79bb\u8f83\u77ed\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u8f83\u4f4e\u7684\u573a\u5408\u3002<\/p>\n

  \u5bf9RS232\u548cRS485\u7279\u6027\u7684\u5168\u9762\u4e86\u89e3<\/h3>\n

  \u5728\u9009\u62e9\u901a\u4fe1\u6807\u51c6\u65f6\uff0c\u5fc5\u987b\u5168\u9762\u4e86\u89e3RS232\u548cRS485\u7684\u7279\u6027\uff0c\u5305\u62ec\u4f20\u8f93\u8ddd\u79bb\u3001\u6297\u5e72\u6270\u80fd\u529b\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387<\/a>\u7b49\u56e0\u7d20\uff0c\u5e76\u7ed3\u5408\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u672c\u6587\u5bf9RS232\u548cRS485\u7684\u533a\u522b\u8bf4\u6cd5\u9519\u8bef\u8fdb\u884c\u6f84\u6e05\uff0c\u6211\u4eec\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u66f4\u5168\u9762\u5730\u4e86\u89e3\u8fd9\u4e24\u79cd\u901a\u4fe1\u6807\u51c6\u7684\u7279\u6027\u548c\u9002\u7528\u573a\u666f\u3002<\/strong>\u5728\u5de5\u4e1a\u9886\u57df\u7684\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e86\u89e3\u5e76\u6b63\u786e\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u6807\u51c6\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u8fd9\u5c06\u76f4\u63a5\u5f71\u54cd\u5230\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u7136\u800c\uff0c\u5173\u4e8eRS232\u548cRS485\u7684\u533a\u522b\u8bf4\u6cd5\u4e2d\u5b58\u5728\u4e00\u4e9b\u5e38\u89c1\u7684\u8bef\u89e3\u3002\u672c\u6587\u5c06\u9488\u5bf9\u8fd9\u4e9b\u9519\u8bef<\/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-69228","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\/69228","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=69228"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69228\/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=69228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=69228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=69228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}