{"id":42591,"date":"2023-09-30T20:55:46","date_gmt":"2023-09-30T12:55:46","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=42591"},"modified":"2023-09-30T20:55:46","modified_gmt":"2023-09-30T12:55:46","slug":"rjkzjdy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/42591.html","title":{"rendered":"RS485\u63a5\u53e3\u9488\u811a\u5b9a\u4e49"},"content":{"rendered":"

  RS485\u63a5\u53e3\u9488\u811a\u5b9a\u4e49\u662f\u4e00\u79cd\u666e\u904d\u4f7f\u7528\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u5177\u6709\u9ad8\u901f\u3001\u9ad8\u53ef\u9760\u6027\u3001\u901a\u4fe1\u8ddd\u79bb\u957f\u7b49\u4f18\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u73af\u5883\u3002\u5b83\u7684\u9488\u811a\u5b9a\u4e49\u662f\u6307\u63a5\u53e3\u7684\u6bcf\u4e2a\u9488\u811a\u7684\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u8bf4\u662f\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406\u3002\u672c\u6587\u7740\u91cd\u4ecb\u7ecdRS485\u63a5\u53e3\u7684\u9488\u811a\u5b9a\u4e49\uff0c\u4ee5\u53ca\u5b83\u4eec\u7684\u7528\u9014\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n

RS485\u63a5\u53e3\u7684\u9488\u811a\u5b9a\u4e49<\/h2>\n

  RS485\u63a5\u53e3\u7684\u9488\u811a\u5b9a\u4e49\u4e3b\u8981\u67097\u4e2a\uff0c\u5206\u522b\u662fGND\uff0cA\uff0cB\uff0cRE\uff0cDE\uff0cDI\uff0cRO\uff0c\u5176\u4e2dGND\u662f\u63a5\u5730\uff0cA\u548cB\u662f\u4e24\u4e2a\u6570\u636e\u7ebf\uff0cRE\u548cDE\u662f\u63a5\u6536\u548c\u53d1\u9001\u63a7\u5236\u7ebf\uff0cDI\u662f\u6570\u636e\u8f93\u5165\uff0cRO\u662f\u6570\u636e\u8f93\u51fa\u3002<\/p>\n

  GND<\/h3>\n

  GND\u662f\u63a5\u5730\uff0c\u5b83\u7528\u4e8e\u628a\u63a5\u53e3\u7684\u7535\u6e90\u548c\u4fe1\u53f7\u7cfb\u7edf\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u4f20\u8f93\u7684\u51c6\u786e\u6027\u3002<\/p>\n

  A\u548cB<\/h3>\n

  A\u548cB\u662f\u4e24\u4e2a\u6570\u636e\u7ebf\uff0c\u5b83\u4eec\u7528\u4e8e\u4f20\u8f93\u6570\u636e\u3002A\u548cB\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u662f\u63a7\u5236\u6570\u636e\u4f20\u8f93\u7684\u5173\u952e\uff0c\u5b83\u7684\u7535\u538b\u5dee\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u5668\u7684\u53d1\u9001\u63a7\u5236\u7ebf\u6765\u63a7\u5236\u3002<\/p>\n

  RE\u548cDE<\/h3>\n

  RE\u548cDE\u662f\u63a5\u6536\u548c\u53d1\u9001\u63a7\u5236\u7ebf\uff0c\u5b83\u4eec\u7528\u4e8e\u63a7\u5236\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u7684\u901f\u7387\u3002RE\u662f\u63a5\u6536\u63a7\u5236\u7ebf\uff0c\u5b83\u7528\u4e8e\u63a7\u5236\u63a5\u6536\u5668\u7684\u63a5\u6536\u901f\u7387\uff1bDE\u662f\u53d1\u9001\u63a7\u5236\u7ebf\uff0c\u5b83\u7528\u4e8e\u63a7\u5236\u53d1\u9001\u5668\u7684\u53d1\u9001\u901f\u7387\u3002<\/p>\n

  DI\u548cRO<\/h3>\n

  DI\u548cRO\u5206\u522b\u662f\u6570\u636e\u8f93\u5165\u548c\u6570\u636e\u8f93\u51fa\u7ebf\uff0c\u5b83\u4eec\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u8f93\u5165\u548c\u8f93\u51fa\u3002DI\u662f\u6570\u636e\u8f93\u5165\u7ebf\uff0c\u5b83\u7528\u4e8e\u63a7\u5236\u63a5\u6536\u5668\u7684\u6570\u636e\u8f93\u5165\uff1bRO\u662f\u6570\u636e\u8f93\u51fa\u7ebf\uff0c\u5b83\u7528\u4e8e\u63a7\u5236\u53d1\u9001\u5668\u7684\u6570\u636e\u8f93\u51fa\u3002<\/p>\n

RS485\u63a5\u53e3\u7684\u7528\u9014<\/h2>\n

  RS485\u63a5\u53e3\u7684\u7528\u9014\u975e\u5e38\u5e7f\u6cdb\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u7f51\u7edc\uff0c\u5982\u4ee5\u592a\u7f51\u3001\u4e32\u884c\u7f51\u7edc\u3001\u84dd\u7259\u7f51\u7edc\u7b49\uff0c\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u3001\u81ea\u52a8\u63a7\u5236\u7cfb\u7edf\u3001\u5b89\u9632\u7cfb\u7edf\u7b49\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528RS485\u63a5\u53e3<\/h2>\n

  \u4f7f\u7528RS485\u63a5\u53e3\u975e\u5e38\u7b80\u5355\uff0c\u4f60\u53ea\u9700\u8981\u628aRS485\u63a5\u53e3\u7684\u9488\u811a\u6309\u7167\u6b63\u786e\u7684\u65b9\u5f0f\u63d2\u5165\u63a5\u53e3\u63d2\u5ea7\uff0c\u7136\u540e\u5c06\u63a5\u53e3\u63d2\u5934\u8fde\u63a5\u5230\u7535\u8111\u7684\u4e32\u884c\u53e3\u5373\u53ef\u3002\u63a5\u4e0b\u6765\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u6765\u63a7\u5236RS485\u63a5\u53e3\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u6570\u636e\u901a\u4fe1\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86RS485\u63a5\u53e3\u7684\u9488\u811a\u5b9a\u4e49\u53ca\u5176\u7528\u9014\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528RS485\u63a5\u53e3\u8fdb\u884c\u6570\u636e\u901a\u4fe1\u3002RS485\u63a5\u53e3\u7684\u9488\u811a\u5b9a\u4e49\u4e3b\u8981\u67097\u4e2a\uff0c\u5206\u522b\u662fGND\uff0cA\uff0cB\uff0cRE\uff0cDE\uff0cDI\uff0cRO\uff0c\u5b83\u4eec\u5206\u522b\u7528\u4e8e\u63a5\u5730\u3001\u4f20\u8f93\u6570\u636e\u3001\u63a7\u5236\u63a5\u6536\u548c\u53d1\u9001\u901f\u7387\u3001\u63a7\u5236\u6570\u636e\u8f93\u5165\u548c\u8f93\u51fa\u3002RS485\u63a5\u53e3\u7684\u7528\u9014\u975e\u5e38\u5e7f\u6cdb\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u901a\u4fe1\u7f51\u7edc\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u3001\u81ea\u52a8\u63a7\u5236\u7cfb\u7edf\u3001\u5b89\u9632\u7cfb\u7edf\u7b49\u3002\u4f7f\u7528RS485\u63a5\u53e3\u975e\u5e38\u7b80\u5355\uff0c\u4f60\u53ea\u9700\u8981\u628aRS485\u63a5\u53e3\u7684\u9488\u811a\u6309\u7167\u6b63\u786e\u7684\u65b9\u5f0f\u63d2\u5165\u63a5\u53e3\u63d2\u5ea7\uff0c\u7136\u540e\u5c06\u63a5\u53e3\u63d2\u5934\u8fde\u63a5\u5230\u7535\u8111\u7684\u4e32\u884c\u53e3\u5373\u53ef\uff0c\u63a5\u4e0b\u6765\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u6765\u63a7\u5236RS485\u63a5\u53e3\u7684\u6570\u636e\u4f20\u8f93\uff0c\u4ece\u800c\u5b9e\u73b0\u8bbe\u5907\u95f4\u7684\u6570\u636e\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u63a5\u53e3\u9488\u811a\u5b9a\u4e49\u662f\u4e00\u79cd\u666e\u904d\u4f7f\u7528\u7684\u901a\u4fe1\u63a5\u53e3\uff0c\u5b83\u5177\u6709\u9ad8\u901f\u3001\u9ad8\u53ef\u9760\u6027\u3001\u901a\u4fe1\u8ddd\u79bb\u957f\u7b49\u4f18\u70b9\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u73af\u5883\u3002\u5b83\u7684\u9488\u811a\u5b9a\u4e49\u662f\u6307\u63a5\u53e3\u7684\u6bcf\u4e2a\u9488\u811a\u7684\u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u8bf4\u662f\u63a5\u53e3\u7684\u5de5\u4f5c<\/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-42591","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\/42591","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=42591"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/42591\/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=42591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=42591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=42591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}