{"id":69077,"date":"2023-12-20T16:57:19","date_gmt":"2023-12-20T08:57:19","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=69077"},"modified":"2023-12-20T16:57:19","modified_gmt":"2023-12-20T08:57:19","slug":"ryrtxxyxj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/69077.html","title":{"rendered":"RS232\u4e0eRS485\u901a\u4fe1\u534f\u8bae\u8be6\u89e3"},"content":{"rendered":"

  RS232\u4e0eRS485\u662f\u4e24\u79cd\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\u7ecdRS232\u4e0eRS485\u7684\u533a\u522b\u548c\u7279\u70b9\u3002<\/p>\n

RS232\u901a\u4fe1\u6807\u51c6<\/h2>\n

  RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u56f4\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03<\/a>\u5668\u3001\u6253\u5370\u673a\u7b49\u3002\u5b83\u4f7f\u7528\u5355\u7aef\u53e3\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5728\u77ed\u8ddd\u79bb\u5185\u5177\u6709\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n

  RS232\u7684\u7279\u70b9<\/h3>\n

  RS232\u901a\u4fe1\u4f7f\u7528\u7684\u662f\u5355\u7aef\u53e3\u4f20\u8f93\uff0c\u901a\u5e38\u91c7\u7528DB9\u6216DB25\u8fde\u63a5\u5668\u3002\u5b83\u80fd\u591f\u5728\u6700\u957f15\u7c73\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4f20\u8f93\u901f\u7387\u4e00\u822c\u4e3a115.2kbps\u3002<\/p>\n

  RS232\u7684\u4f18\u7f3a\u70b9<\/h3>\n

  RS232\u901a\u4fe1\u7684\u4f18\u70b9\u662f\u6613\u4e8e\u4f7f\u7528\u548c\u90e8\u7f72\uff0c\u9002\u5408\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002\u7136\u800c\uff0c\u5b83\u5bf9\u7535\u78c1\u5e72\u6270\u654f\u611f\uff0c\u4f20\u8f93\u8ddd\u79bb\u6709\u9650\uff0c\u4e0d\u9002\u5408\u5de5\u4e1a\u73af\u5883\u4e2d\u957f\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n

RS485\u901a\u4fe1\u6807\u51c6<\/h2>\n

  \u4e0eRS232\u4e0d\u540c\uff0cRS485\u662f\u4e00\u79cd\u66f4\u9002\u5408\u5de5\u4e1a\u73af\u5883\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7279\u6027\u3002<\/p>\n

  RS485\u7684\u7279\u70b9<\/h3>\n

  RS485\u901a\u4fe1\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u673a\u901a\u4fe1\uff0c\u6700\u957f\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10Mbps\uff0c\u9002\u5408\u5de5\u4e1a\u63a7\u5236\u7b49\u957f\u8ddd\u79bb\u901a\u4fe1\u573a\u666f\u3002<\/p>\n

  RS485\u7684\u5e94\u7528\u573a\u666f<\/h3>\n

  \u7531\u4e8e\u5176\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u7279\u6027\uff0cRS485\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u697c\u5b87\u81ea\u63a7\u7cfb\u7edf\u3001\u73af\u5883\u76d1\u6d4b<\/a>\u7b49\u9886\u57df\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7684\u6765\u8bf4\uff0cRS232<\/a>\u9002\u5408\u5728\u77ed\u8ddd\u79bb\u901a\u4fe1\u573a\u666f\u4e0b\u4f7f\u7528\uff0c\u800cRS485\u66f4\u9002\u5408\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u8fdb\u884c\u957f\u8ddd\u79bb\u3001\u591a\u673a\u901a\u4fe1\u3002<\/strong>\u6b63\u786e\u9009\u62e9\u548c\u5e94\u7528\u8fd9\u4e24\u79cd\u901a\u4fe1\u6807\u51c6\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u4e0eRS485\u662f\u4e24\u79cd\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\u7ecdRS232\u4e0eRS485\u7684\u533a\u522b\u548c\u7279\u70b9\u3002RS232\u901a\u4fe1\u6807\u51c6<\/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":[137],"class_list":["post-69077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-txxy"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69077","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=69077"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69077\/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=69077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=69077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=69077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}