{"id":59952,"date":"2023-10-27T14:34:00","date_gmt":"2023-10-27T06:34:00","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=59952"},"modified":"2023-10-27T14:34:00","modified_gmt":"2023-10-27T06:34:00","slug":"rwsmznsls","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/59952.html","title":{"rendered":"RS485\u4e3a\u4ec0\u4e48\u53ea\u80fd\u624b\u62c9\u624b\uff1f"},"content":{"rendered":"

  RS485\u662f\u4e00\u79cd\u70b9\u5230\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8282\u70b9\u8fde\u63a5\uff0c\u4f46\u662f\u5b83\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u63a2\u8ba8RS485\u4e3a\u4ec0\u4e48\u53ea\u80fd\u624b\u62c9\u624b\uff0c\u4ee5\u53ca\u5b83\u5982\u4f55\u5e2e\u52a9\u60a8\u5b9e\u73b0\u70b9\u5230\u70b9\u901a\u4fe1\u3002<\/p>\n

RS485\u7684\u5386\u53f2\u80cc\u666f<\/h2>\n

  RS485\u6807\u51c6\u8bde\u751f\u4e8e1983\u5e74\uff0c\u5f53\u65f6\u5b83\u88ab\u8bbe\u8ba1\u7528\u6765\u66ff\u4ee3RS232\u6807\u51c6\uff0c\u4ee5\u6ee1\u8db3\u5f53\u65f6\u4e0d\u65ad\u589e\u52a0\u7684\u70b9\u5bf9\u70b9\u901a\u4fe1\u9700\u6c42\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u4ee5\u652f\u6301\u591a\u8282\u70b9\u8fde\u63a5\uff0c\u4f46\u662f\u5b83\u7684\u7f3a\u70b9\u4e5f\u5f88\u660e\u663e\uff0c\u5c31\u662f\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n

\u4e3a\u4ec0\u4e48RS485\u53ea\u80fd\u624b\u62c9\u624b\uff1f<\/h2>\n

  RS485\u4fe1\u53f7\u7ebf\u8bbe\u8ba1<\/h3>\n

  RS485\u4fe1\u53f7\u7ebf\u7684\u8bbe\u8ba1\u662f\u5176\u53ea\u80fd\u624b\u62c9\u624b\u7684\u539f\u56e0\u6240\u5728\u3002RS485\u4fe1\u53f7\u7ebf\u75314\u6839\u7ebf\u7ec4\u6210\uff0c\u5b83\u4eec\u5206\u522b\u662f\uff1aGND\uff0cA\uff0cB\u548cT\u3002GND\u7ebf\u662f\u63a5\u5730\u7ebf\uff0cA\u548cB\u7ebf\u662f\u6570\u636e\u4f20\u8f93\u7ebf\uff0cT\u7ebf\u662f\u53d1\u9001\u63a7\u5236\u7ebf\u3002A\u548cB\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u53ef\u4ee5\u7528\u6765\u8868\u793a\u6570\u636e\uff0c\u800cT\u7ebf\u53ef\u4ee5\u7528\u6765\u63a7\u5236A\u548cB\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u3002<\/p>\n

  RS485\u4fe1\u53f7\u7ebf\u7684\u7279\u70b9<\/h3>\n

  \u7531\u4e8eRS485\u4fe1\u53f7\u7ebf\u7684\u7279\u70b9\uff0c\u5b83\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u70b9\u5230\u70b9\u901a\u4fe1\u3002\u8fd9\u662f\u56e0\u4e3aRS485\u4fe1\u53f7\u7ebf\u7684T\u7ebf\u5fc5\u987b\u5728\u6bcf\u4e2a\u8282\u70b9\u4e4b\u95f4\u8fde\u63a5\uff0c\u4ee5\u786e\u4fdd\u4fe1\u53f7\u7684\u5b8c\u6574\u6027\u3002\u5982\u679c\u6ca1\u6709T\u7ebf\uff0c\u90a3\u4e48A\u548cB\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u5c31\u65e0\u6cd5\u6b63\u786e\u4f20\u8f93\uff0c\u4ece\u800c\u5bfc\u81f4\u4fe1\u53f7\u4e22\u5931\u3002<\/p>\n

RS485\u7684\u4f18\u52bf<\/h2>\n

  \u5c3d\u7ba1RS485\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u70b9\u5230\u70b9\u901a\u4fe1\uff0c\u4f46\u5b83\u4ecd\u7136\u5177\u6709\u8bb8\u591a\u4f18\u52bf\u3002\u9996\u5148\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8282\u70b9\u8fde\u63a5\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5176\u6b21\uff0c\u5b83\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u53ef\u4ee5\u8fbe\u523010Mbps\u7684\u4f20\u8f93\u901f\u7387\u3002\u6700\u540e\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u6700\u5927\u53ef\u8fbe4\u5343\u7c73\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7684\u6765\u8bf4\uff0cRS485\u662f\u4e00\u79cd\u70b9\u5230\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8282\u70b9\u8fde\u63a5\uff0c\u4f46\u662f\u5b83\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/strong>\u5b83\u5177\u6709\u591a\u8282\u70b9\u8fde\u63a5\u3001\u9ad8\u901f\u4f20\u8f93\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u7684\u4f18\u52bf\uff0c\u4f7f\u5b83\u6210\u4e3a\u5f53\u4eca\u8bb8\u591a\u70b9\u5230\u70b9\u901a\u4fe1\u5e94\u7528\u7684\u9996\u9009\u6807\u51c6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u662f\u4e00\u79cd\u70b9\u5230\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u8bbe\u5907\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8282\u70b9\u8fde\u63a5\uff0c\u4f46\u662f\u5b83\u53ea\u80fd\u901a\u8fc7\u624b\u52a8\u62c9\u7ebf\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002\u8fd9\u7bc7\u6587\u7ae0\u5c06\u63a2\u8ba8RS485\u4e3a\u4ec0\u4e48\u53ea\u80fd\u624b\u62c9\u624b\uff0c\u4ee5<\/p>\n","protected":false},"author":1,"featured_media":1839,"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-59952","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\/59952","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=59952"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/59952\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/1839"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=59952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=59952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=59952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}