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  RS485\u662f\u4e00\u79cd\u7528\u4e8e\u8fdc\u7a0b\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728\u957f\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u9632\u6b62\u7531\u4e8e\u7ebf\u8def\u53c2\u6570\u53d8\u5316\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002\u800cDP\u662f\u53e6\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c\u4f46\u662f\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6bd4RS485\u8981\u77ed\u5f97\u591a\u3002\u6240\u4ee5\uff0cRS485\u8f6cDP\u5c31\u662f\u628aRS485\u4fe1\u53f7\u8f6c\u6362\u6210DP\u4fe1\u53f7\uff0c\u4ee5\u5b9e\u73b0RS485\u548cDP\u4e4b\u95f4\u7684\u901a\u4fe1\u3002<\/p>\n

RS485\u8f6cDP\u7684\u539f\u7406<\/h2>\n

  RS485\u8f6cDP\u7684\u539f\u7406\u662f\u628aRS485\u4fe1\u53f7\u8f6c\u6362\u6210DP\u4fe1\u53f7\uff0c\u4ee5\u5b9e\u73b0RS485\u548cDP\u4e4b\u95f4\u7684\u901a\u4fe1\u3002RS485\u8f6cDP\u7684\u8fc7\u7a0b\u4e3b\u8981\u5206\u4e3a\u4e09\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

  1.\u5c06RS485\u4fe1\u53f7\u8f6c\u6362\u6210TTL\u4fe1\u53f7<\/h3>\n

  RS485\u4fe1\u53f7\u662f\u4e00\u79cd\u4e32\u884c\u4fe1\u53f7\uff0c\u5b83\u7684\u4f20\u8f93\u8ddd\u79bb\u6bd4TTL\u4fe1\u53f7\u8981\u957f\u5f97\u591a\uff0c\u4f46\u662f\u5b83\u7684\u4f20\u8f93\u901f\u7387\u6bd4TTL\u4fe1\u53f7\u8981\u6162\u5f97\u591a\u3002\u6240\u4ee5\uff0c\u5728RS485\u8f6cDP\u7684\u8fc7\u7a0b\u4e2d\uff0c\u9996\u5148\u8981\u628aRS485\u4fe1\u53f7\u8f6c\u6362\u6210TTL\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  2.\u5c06TTL\u4fe1\u53f7\u8f6c\u6362\u6210UART\u4fe1\u53f7<\/h3>\n

  TTL\u4fe1\u53f7\u53ef\u4ee5\u901a\u8fc7UART\u8f6c\u6362\u5668\u8f6c\u6362\u6210UART\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u4f20\u8f93\u6570\u636e\u3002UART\u4fe1\u53f7\u7684\u4f20\u8f93\u901f\u7387\u6bd4TTL\u4fe1\u53f7\u8981\u5feb\u5f97\u591a\uff0c\u6240\u4ee5\uff0c\u5728RS485\u8f6cDP\u7684\u8fc7\u7a0b\u4e2d\uff0cUART\u8f6c\u6362\u5668\u53ef\u4ee5\u6709\u6548\u5730\u52a0\u5feb\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u3002<\/p>\n

  3.\u5c06UART\u4fe1\u53f7\u8f6c\u6362\u6210DP\u4fe1\u53f7<\/h3>\n

  UART\u4fe1\u53f7\u53ef\u4ee5\u901a\u8fc7DP\u8f6c\u6362\u5668\u8f6c\u6362\u6210DP\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u4f20\u8f93\u6570\u636e\u3002DP\u4fe1\u53f7\u7684\u4f20\u8f93\u901f\u7387\u6bd4UART\u4fe1\u53f7\u8981\u5feb\u5f97\u591a\uff0c\u6240\u4ee5\uff0c\u5728RS485\u8f6cDP\u7684\u8fc7\u7a0b\u4e2d\uff0cDP\u8f6c\u6362\u5668\u53ef\u4ee5\u6709\u6548\u5730\u52a0\u5feb\u6570\u636e\u4f20\u8f93\u7684\u901f\u5ea6\u3002<\/p>\n

RS485\u8f6cDP\u7684\u5e94\u7528<\/h2>\n

  RS485\u8f6cDP\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5176\u4e2d\u6700\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\u6709\uff1a<\/p>\n

  1.\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236<\/h3>\n

  RS485\u8f6cDP\u53ef\u4ee5\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u8fdc\u7a0b\u63a7\u5236\uff0c\u4f7f\u5f97\u5de5\u4e1a\u63a7\u5236\u53d8\u5f97\u66f4\u52a0\u7075\u6d3b\u3002\u901a\u8fc7RS485\u8f6cDP\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u8fdc\u7a0b\u8bbe\u5907\u7684\u63a7\u5236\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u7cbe\u786e\u7684\u63a7\u5236\u3002<\/p>\n

  2.\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1<\/h3>\n

  RS485\u8f6cDP\u53ef\u4ee5\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u7f51\u7edc\u901a\u4fe1\u7684\u9ad8\u901f\u4f20\u8f93\u3002\u901a\u8fc7RS485\u8f6cDP\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u901f\u7f51\u7edc\u901a\u4fe1\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7edc\u901a\u4fe1\u7684\u6548\u7387\u3002<\/p>\n

  3.\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45<\/h3>\n

  RS485\u8f6cDP\u53ef\u4ee5\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\uff0c\u5b83\u53ef\u4ee5\u5b9e\u73b0\u667a\u80fd\u5bb6\u5c45\u7684\u9ad8\u901f\u4f20\u8f93\u3002\u901a\u8fc7RS485\u8f6cDP\uff0c\u53ef\u4ee5\u5b9e\u73b0\u667a\u80fd\u5bb6\u5c45\u7684\u9ad8\u901f\u4f20\u8f93\uff0c\u4ece\u800c\u63d0\u9ad8\u667a\u80fd\u5bb6\u5c45\u7684\u6548\u7387\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u8f6cDP\u662f\u4e00\u79cd\u628aRS485\u4fe1\u53f7\u8f6c\u6362\u6210DP\u4fe1\u53f7\u7684\u8fc7\u7a0b\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u63a7\u5236\u3001\u7f51\u7edc\u901a\u4fe1\u548c\u667a\u80fd\u5bb6\u5c45\u7b49\u3002<\/strong>\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u4f20\u8f93\u6570\u636e\u7684\u901f\u5ea6\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4e2a\u7cfb\u7edf\u7684\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u662f\u4e00\u79cd\u7528\u4e8e\u8fdc\u7a0b\u901a\u4fe1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u5728\u957f\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u9632\u6b62\u7531\u4e8e\u7ebf\u8def\u53c2\u6570\u53d8\u5316\u800c\u5bfc\u81f4\u7684\u901a\u4fe1\u6545\u969c\u3002\u800cDP\u662f\u53e6\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u4f20\u8f93\u66f4\u591a\u7684\u6570\u636e\uff0c<\/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-42312","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/42312"}],"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=42312"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/42312\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=42312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=42312"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=42312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}