{"id":69229,"date":"2023-12-22T21:22:14","date_gmt":"2023-12-22T13:22:14","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=69229"},"modified":"2023-12-22T21:22:14","modified_gmt":"2023-12-22T13:22:14","slug":"ryrytdjm","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/69229.html","title":{"rendered":"RS232\u4e0eRS485\uff1a\u5f02\u540c\u70b9\u63ed\u79d8"},"content":{"rendered":"

  RS232\u548cRS485\u662f\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\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS232\u548cRS485\u7684\u5f02\u540c\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u6807\u51c6\u3002<\/p>\n

RS232\u4e0eRS485\u7684\u7269\u7406\u5c42<\/a>\u7279\u6027<\/h2>\n

  \u7535\u538b\u7ea7\u522b<\/h3>\n

  RS232\u4f7f\u7528\u8d1f\u7535\u538b\u8868\u793a\u903b\u8f911\uff0c\u6b63\u7535\u538b\u8868\u793a\u903b\u8f910\uff0c\u901a\u5e38\u4e3a-3V\u5230-15V\u4e4b\u95f4\u7684\u8d1f\u7535\u5e73\u548c+3V\u5230+15V\u4e4b\u95f4\u7684\u6b63\u7535\u5e73\uff1b\u800cRS485\u4f7f\u7528\u4e0d\u540c\u7535\u5e73\u8868\u793a\u903b\u8f910\u548c\u903b\u8f911\uff0c\u901a\u5e38\u4e3a-5V\u5230+5V\u4e4b\u95f4\u3002<\/p>\n

  \u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  RS232\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\uff0c\u6700\u5927\u8ddd\u79bb\u7ea6\u4e3a50\u82f1\u5c3a\uff1bRS485\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\uff0c\u6700\u5927\u8ddd\u79bb\u53ef\u8fbe4000\u82f1\u5c3a\u3002<\/p>\n

RS232\u4e0eRS485\u7684\u6570\u636e\u4f20\u8f93\u6a21\u5f0f<\/h2>\n

  \u5355\u5de5\u4e0e\u534a\u53cc\u5de5<\/a><\/h3>\n

  RS232\u901a\u5e38\u91c7\u7528\u5355\u5de5\u6216\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u5373\u6570\u636e\u53ea\u80fd\u5355\u5411\u4f20\u8f93\u6216\u8005\u5728\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u6709\u4e00\u4e2a\u65b9\u5411\u7684\u6570\u636e\u4f20\u8f93\uff1b\u800cRS485\u652f\u6301\u5168\u53cc\u5de5<\/a>\u901a\u4fe1\uff0c\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u53cc\u5411\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u591a\u70b9\u901a\u4fe1<\/h3>\n

  RS232\u8fde\u63a5\u901a\u5e38\u662f\u4e00\u5bf9\u4e00\u7684\uff0c\u800cRS485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u6784\u5efa\u7f51\u7edc\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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RS232\u548cRS485\u662f\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\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS232\u548cRS485\u7684\u5f02\u540c\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u6807\u51c6\u3002R<\/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-69229","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\/69229","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=69229"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/69229\/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=69229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=69229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=69229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}