{"id":68790,"date":"2023-12-25T19:25:31","date_gmt":"2023-12-25T11:25:31","guid":{"rendered":"\/\/www.dealsbon.com\/?p=68790"},"modified":"2023-12-25T19:25:31","modified_gmt":"2023-12-25T11:25:31","slug":"ryrdqb","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/68790.html","title":{"rendered":"RS485\u4e0eRS232\u7684\u533a\u522b"},"content":{"rendered":"

  RS485\u548cRS232\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\u91cd\u8981\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e24\u8005\u7684\u533a\u522b\u548c\u7279\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u52bf\u3002<\/p>\n

RS485\u4e0eRS232\u7684\u7269\u7406\u5c42\u533a\u522b<\/h2>\n

  \u7535\u538b\u7ea7\u522b<\/h3>\n

  RS485\u548cRS232\u5728\u7535\u538b\u7ea7\u522b\u4e0a\u6709\u660e\u663e\u7684\u533a\u522b\u3002RS485\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u901a\u5e38\u5de5\u4f5c\u57280-5V\u6216\u8005-5V\u5230+5V\u7684\u8303\u56f4\u5185\uff0c\u80fd\u591f\u5b9e\u73b0\u957f\u8ddd\u79bb\u7684\u901a\u4fe1\u3002\u800cRS232\u91c7\u7528\u5355\u7aef\u4fe1\u53f7\u4f20\u8f93\uff0c\u5de5\u4f5c\u7535\u538b\u901a\u5e38\u5728-15V\u5230+15V\u8303\u56f4\u5185\uff0c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n

  \u7535\u6c14\u7279\u6027<\/h3>\n

  \u53e6\u4e00\u4e2a\u91cd\u8981\u7684\u533a\u522b\u662fRS485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u800cRS232\u53ea\u80fd\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\uff0c\u6bcf\u6761\u7ebf\u4e0a\u53ea\u80fd\u8fde\u63a5\u4e24\u4e2a\u8bbe\u5907\u3002\u8fd9\u610f\u5473\u7740RS485\u5728\u5de5\u4e1a\u63a7\u5236\u7b49\u9700\u8981\u591a\u8bbe\u5907\u901a\u4fe1\u7684\u573a\u666f\u4e0b\u6709\u7740\u660e\u663e\u7684\u4f18\u52bf\u3002<\/p>\n

RS485\u4e0eRS232\u7684\u901a\u4fe1\u534f\u8bae\u533a\u522b<\/h2>\n

  \u534f\u8bae\u683c\u5f0f<\/h3>\n

  RS485\u548cRS232\u7684\u901a\u4fe1\u534f\u8bae\u683c\u5f0f\u4e5f\u6709\u6240\u4e0d\u540c\u3002RS485\u4e00\u822c\u91c7\u7528Modbus\u7b49\u4e3b\u6d41\u534f\u8bae\uff0c\u901a\u5e38\u4ee5ASCII\u6216\u8005RTU<\/a>\u683c\u5f0f\u8fdb\u884c\u6570\u636e\u5e27\u7684\u4f20\u8f93\uff0c\u80fd\u591f\u5b9e\u73b0\u9ad8\u53ef\u9760\u6027\u7684\u6570\u636e\u901a\u4fe1\u3002\u800cRS232\u901a\u5e38\u4f7f\u7528\u7b80\u5355\u7684\u5f02\u6b65\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u6570\u636e\u5e27\u5305\u62ec\u8d77\u59cb\u4f4d\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u7b49\uff0c\u9002\u7528\u4e8e\u4e00\u5bf9\u4e00\u7684\u77ed\u8ddd\u79bb\u901a\u4fe1\u3002<\/p>\n

  \u901f\u7387\u548c\u8ddd\u79bb<\/h3>\n

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\u603b\u7ed3<\/h2>\n

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RS485\u548cRS232\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\u91cd\u8981\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u4e24\u8005\u7684\u533a\u522b\u548c\u7279\u70b9\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u52bf\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":[68],"class_list":["post-68790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68790"}],"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=68790"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/68790\/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=68790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=68790"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=68790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}