{"id":42604,"date":"2023-10-05T15:13:29","date_gmt":"2023-10-05T07:13:29","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42604"},"modified":"2023-10-05T15:13:29","modified_gmt":"2023-10-05T07:13:29","slug":"rxpdl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42604.html","title":{"rendered":"RS485\u82af\u7247\u7535\u8def"},"content":{"rendered":"

  RS485\u82af\u7247\u7535\u8def\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u9ad8\u901f\u7684\u65b9\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5bb6\u5ead\u3001\u5de5\u5382\u3001\u673a\u573a\u3001\u94c1\u8def\u7b49\u5404\u79cd\u573a\u6240\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6c7d\u8f66\u3001\u8239\u8236\u3001\u98de\u673a\u7b49\u8fd0\u8f93\u5de5\u5177\u3002RS485\u82af\u7247\u7535\u8def\u7684\u4f18\u70b9\u662f\u5b83\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u5bb9\u6613\u5b89\u88c5\uff0c\u4f7f\u7528\u6210\u672c\u4f4e\u5ec9\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u79cd\u8bbe\u5907\uff0c\u53ef\u9760\u6027\u9ad8\uff0c\u7a33\u5b9a\u6027\u597d\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4e0d\u53d7\u8ddd\u79bb\u9650\u5236\uff0c\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u3002<\/p>\n

RS485\u82af\u7247\u7535\u8def\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  RS485\u82af\u7247\u7535\u8def\u7684\u5de5\u4f5c\u539f\u7406\u662f\u901a\u8fc7\u4e24\u4e2a\u7ebf\u8def\uff0c\u4e00\u4e2a\u53eb\u505aA\u7ebf\u8def\uff0c\u53e6\u4e00\u4e2a\u53eb\u505aB\u7ebf\u8def\uff0c\u5c06\u4fe1\u53f7\u4ee5\u4ea4\u66ff\u7684\u65b9\u5f0f\u8fdb\u884c\u4f20\u8f93\u3002A\u7ebf\u8def\u7528\u6765\u4f20\u8f93\u6b63\u5411\u4fe1\u53f7\uff0cB\u7ebf\u8def\u7528\u6765\u4f20\u8f93\u53cd\u5411\u4fe1\u53f7\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728A\u7ebf\u8def\u548cB\u7ebf\u8def\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0c\u4ece\u800c\u5b9e\u73b0\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002RS485\u82af\u7247\u7535\u8def\u8fd8\u6709\u4e00\u4e2a\u91cd\u8981\u7684\u7279\u6027\uff0c\u5c31\u662f\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u6bd4\u5982RS-232\u3001RS-422\u3001RS-485\u7b49\uff0c\u53ef\u4ee5\u540c\u65f6\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u597d\u5730\u6ee1\u8db3\u4e0d\u540c\u573a\u5408\u7684\u9700\u6c42\u3002<\/p>\n

RS485\u82af\u7247\u7535\u8def\u7684\u4f18\u52bf<\/h2>\n

  \u9ad8\u901f\u4f20\u8f93<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u6700\u9ad8\u53ef\u4ee5\u8fbe\u523010Mbps\uff0c\u8fdc\u8d85\u8fc7\u5176\u4ed6\u901a\u4fe1\u6280\u672f\uff0c\u80fd\u591f\u6ee1\u8db3\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u9700\u6c42\u3002<\/p>\n

  \u5bb9\u6613\u5b89\u88c5\u548c\u4f7f\u7528<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u7684\u5b89\u88c5\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u5c06\u82af\u7247\u8fde\u63a5\u5230\u7535\u8def\u677f\u4e0a\u5373\u53ef\uff0c\u800c\u4e14\u5b83\u7684\u4f7f\u7528\u6210\u672c\u4e5f\u975e\u5e38\u4f4e\uff0c\u53ef\u4ee5\u5927\u5927\u964d\u4f4e\u7528\u6237\u7684\u4f7f\u7528\u6210\u672c\u3002<\/p>\n

  \u53ef\u9760\u6027\u9ad8<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u7684\u53ef\u9760\u6027\u975e\u5e38\u9ad8\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6570\u636e\u7684\u51c6\u786e\u6027\uff0c\u53ef\u4ee5\u6709\u6548\u7684\u9632\u6b62\u6570\u636e\u7684\u4e22\u5931\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\u3002<\/p>\n

  \u652f\u6301\u591a\u79cd\u534f\u8bae<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u6bd4\u5982RS-232\u3001RS-422\u3001RS-485\u7b49\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u573a\u5408\u7684\u9700\u6c42\uff0c\u66f4\u597d\u5730\u6ee1\u8db3\u7528\u6237\u7684\u9700\u6c42\u3002<\/p>\n

  \u4e0d\u53d7\u8ddd\u79bb\u9650\u5236<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u8fdc\u8d85\u8fc7\u5176\u4ed6\u901a\u4fe1\u6280\u672f\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u8ddd\u79bb\u7684\u9700\u6c42\u3002<\/p>\n

  \u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f<\/h3>\n

  RS485\u82af\u7247\u7535\u8def\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u6bd4\u59828\u4f4d\u6570\u636e\u300116\u4f4d\u6570\u636e\u7b49\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u6570\u636e\u683c\u5f0f\u9700\u6c42\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u82af\u7247\u7535\u8def\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u5bb9\u6613\u5b89\u88c5\uff0c\u4f7f\u7528\u6210\u672c\u4f4e\u5ec9\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u79cd\u8bbe\u5907\uff0c\u53ef\u9760\u6027\u9ad8\uff0c\u7a33\u5b9a\u6027\u597d\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4e0d\u53d7\u8ddd\u79bb\u9650\u5236\uff0c\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u3002<\/strong>RS485\u82af\u7247\u7535\u8def\u7684\u4f18\u52bf\u5728\u4e8e\u5b83\u53ef\u4ee5\u652f\u6301\u9ad8\u901f\u4f20\u8f93\uff0c\u5bb9\u6613\u5b89\u88c5\u548c\u4f7f\u7528\uff0c\u53ef\u9760\u6027\u9ad8\uff0c\u652f\u6301\u591a\u79cd\u534f\u8bae\uff0c\u4e0d\u53d7\u8ddd\u79bb\u9650\u5236\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u7b49\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u573a\u5408\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u82af\u7247\u7535\u8def\u662f\u4e00\u79cd\u5e38\u7528\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u9ad8\u901f\u7684\u65b9\u5f0f\u8fdb\u884c\u4f20\u8f93\uff0c\u5e76\u4e14\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u5bb6\u5ead\u3001\u5de5\u5382\u3001\u673a\u573a\u3001\u94c1\u8def\u7b49\u5404\u79cd\u573a\u6240\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6c7d\u8f66\u3001\u8239\u8236<\/p>\n","protected":false},"author":1,"featured_media":4132,"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-42604","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\/42604","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=42604"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42604\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=42604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}