{"id":68019,"date":"2023-12-18T17:54:23","date_gmt":"2023-12-18T09:54:23","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68019"},"modified":"2023-12-18T17:54:23","modified_gmt":"2023-12-18T09:54:23","slug":"ckrrhrdqbyyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68019.html","title":{"rendered":"\u4e32\u53e3RS232\u3001RS422\u548cRS485\u7684\u533a\u522b\u4e0e\u5e94\u7528"},"content":{"rendered":"

  \u4e32\u53e3\u901a\u4fe1\u662f\u6570\u5b57\u7535\u5b50\u8bbe\u5907\u95f4\u5e38\u7528\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u800cRS232\u3001RS422\u548cRS485<\/a>\u662f\u5176\u4e2d\u5e38\u89c1\u7684\u6807\u51c6\u3002\u672c\u6587\u5c06\u4e3a\u60a8\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u4e32\u53e3\u6807\u51c6\u7684\u533a\u522b\u4e0e\u5e94\u7528\u3002<\/p>\n

RS232\u4e32\u53e3\u6807\u51c6<\/h2>\n

  RS232\u662f\u4e00\u79cd\u6700\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4f7f\u7528\u5355\u7aef\u53e3\u8fdb\u884c\u901a\u4fe1\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u4e00\u822c\u4e3a\u6700\u9ad8115.2 kbps\u3002RS232\u63a5\u53e3\u91c7\u7528\u5f02\u6b65\u901a\u4fe1\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u3001\u77ed\u8ddd\u79bb\u7684\u4e32\u884c\u901a\u4fe1\uff0c\u5982\u4e2a\u4eba\u7535\u8111\u548c\u4e32\u884c\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n

  RS232\u6280\u672f\u7ec6\u8282<\/h3>\n

  RS232\u4f7f\u7528\u6b63\u8d1f\u7535\u538b\u6765\u8868\u793a\u903b\u8f911\u548c\u903b\u8f910\uff0c\u5176\u4e2d\u6b63\u7535\u538b\u8868\u793a\u903b\u8f910\uff0c\u8d1f\u7535\u538b\u8868\u793a\u903b\u8f911\u3002\u5b83\u4f7f\u7528DB9\u6216DB25\u8fde\u63a5\u5668\uff0c\u901a\u5e38\u901a\u8fc7\u4e32\u53e3\u7ebf\u8fde\u63a5\u8bbe\u5907\u3002<\/p>\n

  RS232\u5e94\u7528\u573a\u666f<\/h3>\n

  RS232\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u3001\u8c03\u5236\u89e3\u8c03<\/a>\u5668\u3001\u6253\u5370\u673a\u3001\u6570\u5b57\u76f8\u673a\u7b49\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u8fde\u63a5\u3002<\/p>\n

RS422\u548cRS485\u4e32\u53e3\u6807\u51c6<\/h2>\n

  RS422<\/a>\u548cRS485\u662f\u591a\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u7684\u4e32\u884c\u901a\u4fe1\u3002RS422\u548cRS485\u5747\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u4f46\u5b83\u4eec\u7684\u901a\u4fe1\u65b9\u5f0f\u548c\u7535\u6c14\u7279\u6027\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

  RS422\u4e0eRS485\u7684\u4e0d\u540c\u4e4b\u5904<\/h3>\n

  RS422\u901a\u4fe1\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u652f\u6301\u4e00\u5bf9\u591a\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u9002\u7528\u4e8e\u4e2d\u7b49\u8ddd\u79bb\u7684\u901a\u4fe1\u3002\u800cRS485\u9664\u4e86\u652f\u6301\u4e00\u5bf9\u591a\u7684\u901a\u4fe1\u65b9\u5f0f\u5916\uff0c\u8fd8\u652f\u6301\u591a\u5bf9\u591a\u7684\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u66f4\u957f\u8ddd\u79bf\u7684\u901a\u4fe1\u3002<\/p>\n

  RS422\u4e0eRS485\u7684\u5e94\u7528<\/h3>\n

  RS422\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u957f\u8ddd\u79bb\u4f20\u611f\u5668\u7f51\u7edc\u7b49\u573a\u666f\u3002\u800cRS485\u5219\u5e7f\u6cdb\u5e94\u7528\u4e8e\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u667a\u80fd\u697c\u5b87\u7cfb\u7edf\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u7b49\u9886\u57df\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86RS232\u3001RS422\u548cRS485\u8fd9\u4e09\u79cd\u4e32\u53e3\u6807\u51c6\u7684\u7279\u70b9\u4e0e\u5e94\u7528\u573a\u666f\u3002<\/strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e32\u53e3\u6807\u51c6\u5c06\u5bf9\u901a\u4fe1\u7a33\u5b9a\u6027\u548c\u6570\u636e\u4f20\u8f93\u8ddd\u79bf\u8d77\u5230\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e32\u53e3\u901a\u4fe1\u662f\u6570\u5b57\u7535\u5b50\u8bbe\u5907\u95f4\u5e38\u7528\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u800cRS232\u3001RS422\u548cRS485\u662f\u5176\u4e2d\u5e38\u89c1\u7684\u6807\u51c6\u3002\u672c\u6587\u5c06\u4e3a\u60a8\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u4e32\u53e3\u6807\u51c6\u7684\u533a\u522b\u4e0e\u5e94\u7528\u3002RS232\u4e32\u53e3\u6807\u51c6RS<\/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":[259],"class_list":["post-68019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68019"}],"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=68019"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68019\/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=68019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=68019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=68019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}