{"id":68273,"date":"2023-12-20T22:30:12","date_gmt":"2023-12-20T14:30:12","guid":{"rendered":"\/\/www.dealsbon.com\/?p=68273"},"modified":"2023-12-20T22:30:12","modified_gmt":"2023-12-20T14:30:12","slug":"rrhrbj","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/68273.html","title":{"rendered":"RS232\u3001RS422\u548cRS485\u6bd4\u8f83"},"content":{"rendered":"

  \u672c\u6587\u5c06\u4ecb\u7ecdRS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u4e0d\u540c\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u8ba9\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u548c\u8054\u7cfb\u3002<\/p>\n

RS232\u4ecb\u7ecd<\/h2>\n

  RS232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u6700\u521d\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u3002\u5b83\u91c7\u7528\u5355\u4e00\u7684\u53d1\u9001\u548c\u63a5\u6536\u7ebf\u8def\uff0c\u4e00\u822c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n

  RS232\u7279\u70b9<\/h3>\n

  RS232\u901a\u5e38\u4f7f\u7528DB9\u6216DB25\u8fde\u63a5\u5668\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u901a\u5e38\u572815\u7c73\u4ee5\u5185\u3002\u5b83\u7684\u5de5\u4f5c\u7535\u538b\u8303\u56f4\u4e3a+\/-15V\uff0c\u9002\u7528\u4e8e\u5355\u5411\u901a\u4fe1\u3002<\/p>\n

  \u9002\u7528\u573a\u666f<\/h3>\n

  RS232\u5e38\u89c1\u4e8e\u4e32\u53e3\u901a\u4fe1<\/a>\u3001\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u9002\u5408\u4e8e\u8ddd\u79bb\u8f83\u77ed\u3001\u901f\u7387\u4e0d\u9ad8\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

RS422\u548cRS485\u6bd4\u8f83<\/h2>\n

  RS422\u548cRS485\u90fd\u662f\u5dee\u5206\u4fe1\u53f7\u6807\u51c6\uff0c\u7528\u4e8e\u8fdc\u8ddd\u79bb\u901a\u4fe1\u548c\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u7684\u573a\u666f\u3002<\/p>\n

  RS422\u7279\u70b9<\/h3>\n

  RS422\u4f7f\u7528\u56db\u7ebf\u5236\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5168\u53cc\u5de5<\/a>\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002\u5b83\u7684\u4f20\u8f93\u901f\u7387\u9ad8\u8fbe10 Mbps\uff0c\u9002\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u9002\u7528\u573a\u666f<\/h4>\n

  RS422\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u957f\u8ddd\u79bb\u4eea\u5668\u4eea\u8868<\/a>\u901a\u4fe1\u7b49\u573a\u666f\uff0c\u80fd\u591f\u6ee1\u8db3\u9ad8\u901f\u3001\u957f\u8ddd\u79bb\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n

  RS485\u7279\u70b9<\/h3>\n

  RS485\u540c\u6837\u4f7f\u7528\u56db\u7ebf\u5236\uff0c\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002\u5b83\u5177\u6709\u66f4\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7535\u78c1\u5e72\u6270\u73af\u5883\u3002<\/p>\n

  \u9002\u7528\u573a\u666f<\/h4>\n

  RS485\u5e38\u89c1\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u73af\u5883\u76d1\u63a7\u3001\u95e8\u7981\u7cfb\u7edf\u7b49\u9700\u8981\u591a\u8282\u70b9\u901a\u4fe1\u548c\u6297\u5e72\u6270\u80fd\u529b\u7684\u573a\u666f\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u5bf9RS232\u3001RS422\u548cRS485\u7684\u6bd4\u8f83\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5b83\u4eec\u5404\u81ea\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u901a\u4fe1\u573a\u666f\u3002<\/strong>\u5bf9\u4e8e\u77ed\u8ddd\u79bb\u3001\u4f4e\u901f\u7387\u901a\u4fe1\uff0cRS232\u662f\u4e00\u4e2a\u7b80\u5355\u6709\u6548\u7684\u9009\u62e9\uff1b\u800c\u5bf9\u4e8e\u8fdc\u8ddd\u79bb\u3001\u9ad8\u901f\u7387\u548c\u590d\u6742\u73af\u5883\u901a\u4fe1\uff0cRS422\u548cRS485\u80fd\u591f\u63d0\u4f9b\u66f4\u53ef\u9760\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c06\u4ecb\u7ecdRS232\u3001RS422\u548cRS485\u4e4b\u95f4\u7684\u4e0d\u540c\u7279\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u8ba9\u8bfb\u8005\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\u548c\u8054\u7cfb\u3002RS232\u4ecb\u7ecdRS232\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u6700\u521d\u7528<\/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-68273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68273"}],"collection":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/comments?post=68273"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68273\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=68273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=68273"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=68273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}