{"id":69314,"date":"2023-12-21T15:46:10","date_gmt":"2023-12-21T07:46:10","guid":{"rendered":"\/\/www.dealsbon.com\/?p=69314"},"modified":"2023-12-21T15:46:10","modified_gmt":"2023-12-21T07:46:10","slug":"rdqb","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/69314.html","title":{"rendered":"RS232 RS422 RS485\u7684\u533a\u522b"},"content":{"rendered":"

  RS232 RS422 RS485\u662f\u8ba1\u7b97\u673a\u9886\u57df\u4e2d\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\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5404\u81ea\u7684\u7279\u70b9\u548c\u5e94\u7528\u573a\u666f\u3002<\/p>\n

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

  RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u7528\u4e8e\u5728\u8ba1\u7b97\u673a\u548c\u5916\u8bbe\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u901a\u5e38\u4f7f\u7528DB9\u6216DB25\u8fde\u63a5\u5668\uff0c\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u6700\u5e38\u89c1\u7684\u5e94\u7528\u662f\u5728\u4e2a\u4eba\u7535\u8111\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u4e32\u884c\u901a\u4fe1\u3002RS232\u91c7\u7528\u5355\u7aef\u53e3\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\u3002<\/p>\n

  RS232\u7684\u7279\u70b9<\/h3>\n

  RS232\u4f7f\u7528\u5355\u7aef\u53e3\u4f20\u8f93\uff0c\u4fe1\u53f7\u8303\u56f4\u4e3a-15V\u81f3+15V\uff0c\u4e00\u822c\u9002\u7528\u4e8e\u8ddd\u79bb\u8f83\u77ed\u3001\u901f\u7387\u8f83\u4f4e\u7684\u901a\u4fe1\u3002<\/p>\n

  RS232\u7684\u5e94\u7528<\/h3>\n

  \u7531\u4e8eRS232\u8ddd\u79bb\u77ed\u3001\u901f\u7387\u4f4e\uff0c\u4e00\u822c\u5e94\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u5916\u90e8\u4e32\u884c\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5982\u6253\u5370\u673a\u3001\u8c03\u5236\u89e3\u8c03\u5668\u7b49\u3002<\/p>\n

RS422\u4e0eRS485\u7684\u533a\u522b<\/h2>\n

  RS422\u548cRS485\u662f\u7528\u4e8e\u8fdc\u8ddd\u79bb\u4e32\u884c\u901a\u4fe1\u7684\u6807\u51c6\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u3001\u8fdc\u7a0b\u76d1\u63a7\u7b49\u9700\u8981\u957f\u8ddd\u79bb\u3001\u9ad8\u901f\u7387\u4f20\u8f93\u7684\u573a\u5408\u3002<\/p>\n

  RS422\u7684\u7279\u70b9<\/h3>\n

  RS422\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f, \u4f7f\u7528\u4e24\u5bf9\u901a\u4fe1\u7ebf\uff08\u6b63\u8d1f\u6781\uff09\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10Mbps\uff0c\u6700\u8fdc\u4f20\u8f93\u8ddd\u79bb\u4e3a1200\u7c73\u3002<\/p>\n

  RS422\u7684\u5e94\u7528<\/h4>\n

  \u7531\u4e8eRS422\u4f20\u8f93\u8ddd\u79bb\u8fdc\u3001\u901f\u7387\u9ad8\u3001\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u5e38\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u9ad8\u901f\u4f20\u8f93\u7684\u573a\u5408\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\u7684\u4f20\u611f\u5668\u548c\u6267\u884c\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n

  RS485\u7684\u7279\u70b9<\/h3>\n

  RS485\u4e5f\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u4e2a\u8282\u70b9\u7684\u534a\u53cc\u5de5<\/a>\u901a\u4fe1\uff0c\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10Mbps\uff0c\u6700\u8fdc\u4f20\u8f93\u8ddd\u79bb\u4e3a1200\u7c73\u3002<\/p>\n

  RS485\u7684\u5e94\u7528<\/h4>\n

  RS485\u9002\u7528\u4e8e\u591a\u8282\u70b9\u3001\u8fdc\u8ddd\u79bb\u3001\u9ad8\u901f\u7387\u7684\u6570\u636e\u4f20\u8f93\u573a\u5408\uff0c\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u76d1\u63a7\u7cfb\u7edf\u7b49\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS232\u3001RS422\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u4eec\u5206\u522b\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u901a\u4fe1\u573a\u5408\u3002<\/strong>RS232\u9002\u7528\u4e8e\u7b80\u5355\u7684\u70b9\u5bf9\u70b9<\/a>\u901a\u4fe1\uff0c\u800cRS422\u548cRS485\u9002\u7528\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u3001\u9ad8\u901f\u7387\u4f20\u8f93\u7684\u573a\u5408\u3002\u5728\u9009\u62e9\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u6765\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232RS422RS485\u662f\u8ba1\u7b97\u673a\u9886\u57df\u4e2d\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\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u5404\u81ea\u7684\u7279\u70b9\u548c\u5e94\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":[259],"class_list":["post-69314","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\/69314"}],"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=69314"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/69314\/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=69314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=69314"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=69314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}