{"id":69080,"date":"2023-12-24T01:30:52","date_gmt":"2023-12-23T17:30:52","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=69080"},"modified":"2023-12-24T01:30:52","modified_gmt":"2023-12-23T17:30:52","slug":"ryrdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/69080.html","title":{"rendered":"RS232\u4e0eRS485\u7684\u533a\u522b"},"content":{"rendered":"

  RS232\u4e0eRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u8ba1\u7b97\u673a\u5916\u8bbe\u7b49\u9886\u57df\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS232\u4e0eRS485\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e24\u79cd\u63a5\u53e3\u6807\u51c6\u3002<\/p>\n

RS232\u4e0eRS485\u7684\u57fa\u672c\u539f\u7406<\/h2>\n

  RS232<\/h3>\n

  RS232\u662f\u4e00\u79cd\u4f20\u7edf\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u4f8b\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002RS232\u63a5\u53e3\u6807\u51c6\u91c7\u7528\u5355\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u5373\u6570\u636e\u53ea\u80fd\u5728\u4e00\u4e2a\u65b9\u5411\u4e0a\u4f20\u8f93\u3002\u5b83\u4f7f\u7528\u6b63\u8d1f\u7535\u5e73\u8868\u793a\u903b\u8f91\u503c\uff0c\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u4e0d\u8d85\u8fc715\u7c73\u3002<\/p>\n

  RS485<\/h3>\n

  \u76f8\u6bd4\u4e4b\u4e0b\uff0cRS485\u662f\u4e00\u79cd\u591a\u70b9\u3001\u53cc\u5de5\u3001\u5dee\u5206\u4f20\u8f93\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002RS485\u63a5\u53e3\u53ef\u4ee5\u540c\u65f6\u5b9e\u73b0\u6570\u636e\u7684\u53cc\u5411\u4f20\u8f93\uff0c\u4e14\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u540c\u4e00\u901a\u4fe1\u7ebf\u8def\u3002\u5b83\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u80fd\u591f\u6709\u6548\u62b5\u6297\u5e72\u6270\u548c\u566a\u97f3\uff0c\u901a\u4fe1\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\u3002<\/p>\n

RS232\u4e0eRS485\u7684\u7535\u6c14\u7279\u6027<\/h2>\n

  \u7535\u5e73<\/h3>\n

  RS232\u4f7f\u7528\u6b63\u8d1f\u7535\u5e73\u8868\u793a\u903b\u8f91\u503c\uff0c\u5178\u578b\u7684\u7535\u538b\u8303\u56f4\u4e3a-15V\u5230+15V\u3002\u76f8\u5bf9\u800c\u8a00\uff0cRS485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5178\u578b\u7684\u5dee\u5206\u7535\u538b\u8303\u56f4\u4e3a-5V\u5230+5V\u3002<\/p>\n

  \u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  \u7531\u4e8e\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0cRS485\u7684\u901a\u4fe1\u8ddd\u79bb\u8fdc\u5927\u4e8eRS232\u3002RS232\u4e00\u822c\u4ec5\u652f\u630115\u7c73\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u800cRS485\u6700\u8fdc\u53ef\u8fbe1200\u7c73\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS232\u4e0eRS485\u7684\u9002\u7528\u573a\u666f<\/h3>\n

  \u603b\u7684\u6765\u8bf4\uff0cRS232\u9002\u7528\u4e8e\u5bf9\u901a\u4fe1\u901f\u5ea6\u8981\u6c42\u8f83\u4f4e\u3001\u901a\u4fe1\u8ddd\u79bb\u8f83\u77ed\u7684\u573a\u5408\uff0c\u5982\u8fde\u63a5\u4e2a\u4eba\u7535\u8111\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u800cRS485\u66f4\u9002\u5408\u5bf9\u901a\u4fe1\u901f\u5ea6\u548c\u901a\u4fe1\u8ddd\u79bb\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u5de5\u4e1a\u63a7\u5236\u548c\u81ea\u52a8\u5316\u9886\u57df\u3002<\/p>\n

  \u672a\u6765\u8d8b\u52bf<\/h3>\n

  \u968f\u7740\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u7269\u8054\u7f51<\/a>\u7b49\u9886\u57df\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cRS485\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u73af\u5883\u76d1\u6d4b<\/a>\u3001\u667a\u80fd\u5bb6\u5c45<\/a>\u7b49\u65b9\u9762\u7684\u5e94\u7528\u6108\u53d1\u5e7f\u6cdb\uff0c\u800cRS232\u9010\u6e10\u88ab\u6dd8\u6c70\uff0c\u9010\u6b65\u9000\u51fa\u4e3b\u6d41\u5e02\u573a\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u4e0eRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u8ba1\u7b97\u673a\u5916\u8bbe\u7b49\u9886\u57df\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS232\u4e0eRS485\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94<\/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":[68],"class_list":["post-69080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69080"}],"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=69080"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69080\/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=69080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=69080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=69080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}