{"id":78108,"date":"2024-01-04T04:15:34","date_gmt":"2024-01-03T20:15:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78108"},"modified":"2024-01-04T04:15:34","modified_gmt":"2024-01-03T20:15:34","slug":"rhrdyy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78108.html","title":{"rendered":"RS232\u548cRS485\u7684\u5e94\u7528"},"content":{"rendered":"

  RS232\u548cRS485\u662f\u5e38\u7528\u4e8e\u6570\u636e\u901a\u4fe1\u548c\u63a7\u5236\u9886\u57df\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u5e94\u7528\u548c\u7279\u70b9\u3002<\/p>\n

RS232\u7684\u5e94\u7528<\/h2>\n

  RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5355\u5de5\u3001\u534a\u53cc\u5de5<\/a>\u548c\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3002RS232\u63a5\u53e3\u901a\u5e38\u4f7f\u7528DB9\u6216DB25\u8fde\u63a5\u5668\uff0c\u4f20\u8f93\u901f\u7387\u4e00\u822c\u5728115200 bps\u4ee5\u4e0b\u3002<\/p>\n

  \u7535\u8111\u5916\u8bbe\u8fde\u63a5<\/h3>\n

  RS232\u5e38\u7528\u4e8e\u8fde\u63a5\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u3001\u6761\u7801\u626b\u63cf\u5668\u7b49\u5916\u90e8\u8bbe\u5907\u3002\u901a\u8fc7RS232\u63a5\u53e3\uff0c\u8fd9\u4e9b\u8bbe\u5907\u53ef\u4ee5\u4e0e\u8ba1\u7b97\u673a\u8fdb\u884c\u6570\u636e\u4ea4\u6362\u548c\u63a7\u5236\u3002<\/p>\n

  \u5d4c\u5165\u5f0f\u7cfb\u7edf\u8c03\u8bd5<\/h3>\n

  \u5728\u5d4c\u5165\u5f0f\u7cfb\u7edf\u5f00\u53d1\u4e2d\uff0cRS232\u63a5\u53e3\u5e38\u7528\u4e8e\u8c03\u8bd5\u548c\u6570\u636e\u4f20\u8f93\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u901a\u8fc7RS232\u63a5\u53e3\u4e0e\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8fdb\u884c\u901a\u4fe1\uff0c\u5b9e\u65f6\u67e5\u770b\u7cfb\u7edf\u72b6\u6001\u548c\u8c03\u8bd5\u7a0b\u5e8f\u3002<\/p>\n

RS485\u7684\u5e94\u7528<\/h2>\n

  \u76f8\u8f83\u4e8eRS232\uff0cRS485\u662f\u4e00\u79cd\u66f4\u9002\u5408\u8fdc\u8ddd\u79bb\u3001\u591a\u8282\u70b9\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u652f\u6301\u591a\u8fbe32\u4e2a\u53d1\u9001\u5668\u548c32\u4e2a\u63a5\u6536\u5668\uff0c\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe1200\u7c73\uff0c\u4f20\u8f93\u901f\u7387\u53ef\u9ad8\u8fbe10 Mbps\u3002<\/p>\n

  \u5de5\u4e1a\u81ea\u52a8\u5316<\/h3>\n

  \u5728\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0cRS485\u5e38\u7528\u4e8ePLC\u3001\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u7b49\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u901a\u4fe1\u3002\u5176\u957f\u8ddd\u79bb\u4f20\u8f93\u548c\u591a\u8282\u70b9\u8fde\u63a5\u7684\u7279\u70b9\u4f7f\u5f97RS485\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\u5927\u653e\u5f02\u5f69\u3002<\/p>\n

  \u95e8\u7981\u7cfb\u7edf<\/h3>\n

  \u95e8\u7981\u7cfb\u7edf\u4e2d\u7684\u8bfb\u5361\u5668\u3001\u63a7\u5236\u5668\u3001\u95e8\u7981\u8bbe\u5907\u901a\u5e38\u91c7\u7528RS485\u63a5\u53e3\u8fdb\u884c\u8fde\u63a5\uff0c\u5b9e\u73b0\u95e8\u7981\u6570\u636e\u7684\u4f20\u8f93\u548c\u63a7\u5236\uff0c\u63d0\u9ad8\u4e86\u95e8\u7981\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS232\u548cRS485\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u5728\u4e0d\u540c\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/strong>RS232\u9002\u5408\u77ed\u8ddd\u79bb\u3001\u70b9\u5bf9\u70b9\u70b9\u5bf9\u70b9\u901a\u4fe1<\/a>\uff0c\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u5916\u8bbe\u8fde\u63a5\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u8c03\u8bd5\uff1b\u800cRS485\u9002\u5408\u8fdc\u8ddd\u79bf\u3001\u591a\u8282\u70b9\u901a\u4fe1\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u95e8\u7981\u7cfb\u7edf\u7b49\u9886\u57df\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u548cRS485\u662f\u5e38\u7528\u4e8e\u6570\u636e\u901a\u4fe1\u548c\u63a7\u5236\u9886\u57df\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5b83\u4eec\u7684\u5e94\u7528\u548c\u7279\u70b9\u3002RS232\u7684\u5e94\u7528RS232\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5e38\u7528\u4e8e\u8ba1\u7b97\u673a\u548c<\/p>\n","protected":false},"author":1,"featured_media":64183,"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":[61],"class_list":["post-78108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78108","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=78108"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78108\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=78108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}