{"id":62937,"date":"2023-11-02T12:30:32","date_gmt":"2023-11-02T04:30:32","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=62937"},"modified":"2023-11-02T12:30:32","modified_gmt":"2023-11-02T04:30:32","slug":"rrrqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/62937.html","title":{"rendered":"RS232\u3001RS485\u3001RS422\u533a\u522b"},"content":{"rendered":"

  RS232\u3001RS485\u3001RS422\u662f\u5e38\u89c1\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u4e09\u8005\u4e4b\u95f4\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u4ecb\u7ecd\u4e00\u4e0b\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u3002<\/p>\n

RS232<\/h2>\n

  RS232\u662f\u4e00\u79cd\u7528\u4e8e\u4e32\u884c\u6570\u636e\u4f20\u8f93\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0e\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u6216\u8005\u5176\u4ed6\u8bbe\u5907\u8fdb\u884c\u8fde\u63a5\uff0c\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u53cc\u7ede\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u53ef\u4ee5\u8fbe\u5230115200bps\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u8ddd\u79bb\u6700\u8fdc\u53ef\u4ee5\u8fbe\u523050\u7c73\u3002<\/p>\n

RS485<\/h2>\n

  RS485\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u591a\u53f0\u8ba1\u7b97\u673a\u6216\u8005\u591a\u53f0\u8bbe\u5907\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u4e00\u79cd\u53cc\u7ede\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u53ef\u4ee5\u8fbe\u5230115200bps\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u8ddd\u79bb\u6700\u8fdc\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002\u5b83\u53ef\u4ee5\u8fde\u63a5\u6700\u591a32\u53f0\u8bbe\u5907\uff0c\u800c\u4e14\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4f20\u8f93\u6a21\u5f0f\uff0c\u5982\u5168\u53cc\u5de5\u6a21\u5f0f\u548c\u534a\u53cc\u5de5\u6a21\u5f0f\u3002<\/p>\n

RS422<\/h2>\n

  RS422\u662f\u4e00\u79cd\u9ad8\u901f\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5c06\u591a\u53f0\u8ba1\u7b97\u673a\u6216\u8005\u591a\u53f0\u8bbe\u5907\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u56db\u7ede\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u53ef\u4ee5\u8fbe\u5230115200bps\uff0c\u5b83\u53ef\u4ee5\u4f20\u8f93\u6570\u636e\u8ddd\u79bb\u6700\u8fdc\u53ef\u4ee5\u8fbe\u52304000\u7c73\u3002\u5b83\u53ef\u4ee5\u8fde\u63a5\u6700\u591a10\u53f0\u8bbe\u5907\uff0c\u800c\u4e14\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4f20\u8f93\u6a21\u5f0f\uff0c\u5982\u5168\u53cc\u5de5\u6a21\u5f0f\u548c\u534a\u53cc\u5de5\u6a21\u5f0f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u9762\u7684\u4ecb\u7ecd\u53ef\u4ee5\u770b\u51fa\uff0cRS232\u3001RS485\u3001RS422\u4e09\u8005\u4e4b\u95f4\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u5b83\u4eec\u7684\u6700\u5927\u533a\u522b\u5728\u4e8e\u4f20\u8f93\u8ddd\u79bb\u548c\u652f\u6301\u7684\u8bbe\u5907\u6570\u91cf\u4e0a\u3002<\/strong>RS232\u53ef\u4ee5\u4f20\u8f93\u6700\u8fdc\u8ddd\u79bb50\u7c73\uff0c\u53ef\u4ee5\u652f\u63012\u53f0\u8bbe\u5907\uff1bRS485\u53ef\u4ee5\u4f20\u8f93\u6700\u8fdc\u8ddd\u79bb1200\u7c73\uff0c\u53ef\u4ee5\u652f\u630132\u53f0\u8bbe\u5907\uff1bRS422\u53ef\u4ee5\u4f20\u8f93\u6700\u8fdc\u8ddd\u79bb4000\u7c73\uff0c\u53ef\u4ee5\u652f\u630110\u53f0\u8bbe\u5907\u3002\u6240\u4ee5\uff0c\u5728\u9009\u62e9\u901a\u4fe1\u534f\u8bae\u65f6\uff0c\u5e94\u8be5\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u6765\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u3001RS485\u3001RS422\u662f\u5e38\u89c1\u7684\u5de5\u4e1a\u63a7\u5236\u7f51\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u4e09\u8005\u4e4b\u95f4\u6709\u7740\u660e\u663e\u7684\u533a\u522b\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u4ecb\u7ecd\u4e00\u4e0b\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u3002RS232RS232\u662f\u4e00\u79cd\u7528\u4e8e\u4e32<\/p>\n","protected":false},"author":1,"featured_media":1839,"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":[61],"class_list":["post-62937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/62937","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=62937"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/62937\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=62937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=62937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=62937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}