{"id":68267,"date":"2023-12-19T04:59:34","date_gmt":"2023-12-18T20:59:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=68267"},"modified":"2023-12-19T04:59:34","modified_gmt":"2023-12-18T20:59:34","slug":"rhrdyycj","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/68267.html","title":{"rendered":"RS232\u548cRS485\u7684\u5e94\u7528\u573a\u666f"},"content":{"rendered":"

  \u672c\u6587\u5c06\u4ecb\u7ecdRS232\u548cRS485\u901a\u4fe1\u534f\u8bae\u7684\u5e94\u7528\u573a\u666f\u53ca\u5176\u4f18\u52a3\u52bf\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u5728\u5404\u4e2a\u884c\u4e1a\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

RS232\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528<\/h2>\n

  RS232\u901a\u4fe1\u534f\u8bae\u662f\u4e00\u79cd\u6d41\u884c\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5176\u5e94\u7528\u573a\u666f\u4e4b\u4e00\u662f\u5de5\u4e1a\u81ea\u52a8\u5316\u3002\u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0cRS232\u5e38\u7528\u4e8e\u8fde\u63a5\u7535\u8111\u548cPLC\uff08\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668\uff09\uff0c\u4ee5\u5b9e\u73b0\u76d1\u63a7\u3001\u6570\u636e\u91c7\u96c6\u548c\u8fdc\u7a0b\u63a7\u5236\u3002\u901a\u8fc7RS232\u63a5\u53e3\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u4f7f\u7528\u8ba1\u7b97\u673a\u4e0a\u7684\u8f6f\u4ef6\u5bf9\u8bbe\u5907\u8fdb\u884c\u8bbe\u7f6e\u3001\u914d\u7f6e\u548c\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u751f\u4ea7\u8fc7\u7a0b\u7684\u5b9e\u65f6\u76d1\u63a7\u548c\u7ba1\u7406\u3002<\/p>\n

  RS232\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u4f18\u52bf<\/h3>\n

  RS232\u5177\u6709\u7b80\u5355\u6613\u7528\u7684\u7279\u70b9\uff0c\u652f\u6301\u5355\u70b9\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u8ddd\u79bb\u8f83\u77ed\u7684\u6570\u636e\u4f20\u8f93\u3002\u6b64\u5916\uff0cRS232\u63a5\u53e3\u901a\u5e38\u6613\u4e8e\u914d\u7f6e\u548c\u8c03\u8bd5\uff0c\u56e0\u6b64\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u5de5\u5382\u4e2d\u7684\u5404\u79cd\u8bbe\u5907\u548c\u4f20\u611f\u5668\u90fd\u53ef\u4ee5\u901a\u8fc7RS232\u63a5\u53e3\u4e0e\u63a7\u5236\u4e2d\u5fc3\u8fde\u63a5\uff0c\u5b9e\u73b0\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u64cd\u4f5c\u3002<\/p>\n

  RS232\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u7684\u5c40\u9650\u6027<\/h3>\n

  \u7136\u800c\uff0cRS232\u7684\u901a\u4fe1\u8ddd\u79bb\u6709\u9650\uff0c\u901a\u5e38\u53ea\u80fd\u8986\u76d6\u51e0\u5341\u7c73\u7684\u8303\u56f4\uff0c\u4e14\u5bf9\u7535\u78c1\u5e72\u6270\u8f83\u4e3a\u654f\u611f\u3002\u5728\u67d0\u4e9b\u5de5\u4e1a\u73af\u5883\u4e0b\uff0c\u4fe1\u53f7\u7a33\u5b9a\u6027\u53d7\u5230\u5f71\u54cd\uff0c\u56e0\u6b64\u6709\u65f6\u9700\u8981\u8003\u8651\u5176\u4ed6\u66f4\u9002\u5408\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u7684\u901a\u4fe1\u65b9\u5f0f\uff0c\u6bd4\u5982RS485\u3002<\/p>\n

RS485\u5728\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528<\/h2>\n

  \u76f8\u6bd4RS232\uff0cRS485\u901a\u4fe1\u534f\u8bae\u9002\u7528\u4e8e\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff0c\u7279\u522b\u662f\u5728\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u8f83\u4e3a\u5e38\u89c1\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u697c\u5b87\u81ea\u52a8\u5316\u7cfb\u7edf\u548c\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u4f20\u611f\u5668\u7f51\u7edc\uff0cRS485<\/a>\u901a\u5e38\u88ab\u7528\u4e8e\u8fdc\u7a0b\u6570\u636e\u91c7\u96c6\u548c\u63a7\u5236\u3002<\/p>\n

  RS485\u5728\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u7684\u4f18\u52bf<\/h3>\n

  RS485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u53ef\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u4ee5\u6784\u5efa\u590d\u6742\u7684\u76d1\u63a7\u7f51\u7edc\u3002\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe\u6570\u5343\u7c73\uff0c\u5e76\u4e14\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u4e2d\u53ef\u80fd\u5b58\u5728\u7684\u7535\u78c1\u5e72\u6270\u548c\u566a\u58f0\u3002\u8fd9\u4f7f\u5f97RS485\u5728\u73af\u5883\u76d1\u6d4b<\/a>\u548c\u63a7\u5236\u7cfb\u7edf\u4e2d\u5177\u6709\u663e\u8457\u7684\u4f18\u52bf\u3002<\/p>\n

  RS485\u5728\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u7684\u6311\u6218<\/h3>\n

  \u7136\u800c\uff0cRS485\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6218\uff0c\u6bd4\u5982\u5728\u7cfb\u7edf\u8bbe\u8ba1\u548c\u90e8\u7f72\u8fc7\u7a0b\u4e2d\u9700\u8981\u8003\u8651\u7ec8\u7aef\u8bbe\u5907\u7684\u5730\u5740\u8bbe\u7f6e\u3001\u603b\u7ebf\u62d3\u6251\u7ed3\u6784<\/a>\u7b49\u56e0\u7d20\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u6548\u7387\u548c\u7a33\u5b9a\u6027\u3002\u6b64\u5916\uff0cRS485\u901a\u4fe1\u9700\u8981\u989d\u5916\u8003\u8651\u4fe1\u53f7\u7ebf\u7684\u7ec8\u7aef\u7535\u963b\u548c\u5206\u5e03\u5f0f\u7535\u5bb9\uff0c\u4ee5\u907f\u514d\u4fe1\u53f7\u53cd\u5c04\u548c\u4f20\u8f93\u901f\u7387\u53d7\u9650\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u7efc\u4e0a\u6240\u8ff0\uff0cRS232\u548cRS485\u901a\u4fe1\u534f\u8bae\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u7b49\u9886\u57df\u5177\u6709\u91cd\u8981\u7684\u5e94\u7528\u4ef7\u503c\u3002<\/strong>\u5b83\u4eec\u5404\u81ea\u5177\u6709\u72ec\u7279\u7684\u4f18\u52bf\u548c\u5c40\u9650\u6027\uff0c\u5de5\u7a0b\u5e08\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u6700\u5408\u9002\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u7a33\u5b9a\u3001\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u6587\u5c06\u4ecb\u7ecdRS232\u548cRS485\u901a\u4fe1\u534f\u8bae\u7684\u5e94\u7528\u573a\u666f\u53ca\u5176\u4f18\u52a3\u52bf\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u5b83\u4eec\u5728\u5404\u4e2a\u884c\u4e1a\u7684\u5b9e\u9645\u5e94\u7528\u3002RS232\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u4e2d\u7684\u5e94\u7528RS232\u901a\u4fe1\u534f\u8bae\u662f\u4e00\u79cd\u6d41<\/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-68267","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\/68267","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=68267"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/68267\/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=68267"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=68267"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=68267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}