{"id":39324,"date":"2023-09-30T17:44:28","date_gmt":"2023-09-30T09:44:28","guid":{"rendered":"\/\/www.dealsbon.com\/?p=39324"},"modified":"2023-09-30T17:44:28","modified_gmt":"2023-09-30T09:44:28","slug":"zckrjxzj","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/39324.html","title":{"rendered":"9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a"},"content":{"rendered":"

  RS485\u662f\u4e00\u79cd\u901a\u7528\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u4f7f\u75289\u9488\u4e32\u53e3\u63a5\u7ebf\u9488\u811a\uff0c\u8fd9\u4e9b\u9488\u811a\u7684\u529f\u80fd\u4e0d\u540c\uff0c\u90fd\u6709\u5404\u81ea\u7684\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u7684\u529f\u80fd\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n

9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u529f\u80fd<\/h2>\n

  1.GND<\/h3>\n

  GND\u662f\u6307\u63a5\u5730\uff0c\u4e5f\u5c31\u662f\u7535\u6e90\u76840V\uff0c\u662fRS485\u7cfb\u7edf\u7684\u57fa\u7840\u3002GND\u9488\u811a\u7684\u4f5c\u7528\u662f\u4e3aRS485\u7cfb\u7edf\u63d0\u4f9b\u4e00\u4e2a\u7535\u6e90\u7684\u7a33\u5b9a\u7684\u53c2\u8003\u70b9\uff0c\u4ee5\u4fdd\u8bc1RS485\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

  2.VCC<\/h3>\n

  VCC\u662f\u6307\u7535\u6e90\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u7535\u6e90\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u4e3aRS485\u7cfb\u7edf\u63d0\u4f9b\u7535\u6e90\uff0c\u4ee5\u4fdd\u8bc1RS485\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

  3.DI<\/h3>\n

  DI\u662f\u6307\u6570\u636e\u8f93\u5165\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u8f93\u5165\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u63a5\u6536\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u7684\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u7ed9RS485\u7cfb\u7edf\u3002<\/p>\n

  4.DE<\/h3>\n

  DE\u662f\u6307\u6570\u636e\u8f93\u51fa\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u8f93\u51fa\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5c06RS485\u7cfb\u7edf\u7684\u6570\u636e\u8f93\u51fa\u5230\u5916\u90e8\u8bbe\u5907\u4e2d\uff0c\u4ee5\u4fbf\u5916\u90e8\u8bbe\u5907\u63a5\u6536\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n

  5.RE+<\/h3>\n

  RE+\u662f\u6307\u63a5\u6536\u6b63\u7aef\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u63a5\u6536\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u63a5\u6536\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u7684\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u7ed9RS485\u7cfb\u7edf\u3002<\/p>\n

  6.RE-<\/h3>\n

  RE-\u662f\u6307\u63a5\u6536\u8d1f\u7aef\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u63a5\u6536\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u63a5\u6536\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u7684\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u7ed9RS485\u7cfb\u7edf\u3002<\/p>\n

  7.DE+<\/h3>\n

  DE+\u662f\u6307\u53d1\u9001\u6b63\u7aef\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u53d1\u9001\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5c06RS485\u7cfb\u7edf\u7684\u6570\u636e\u8f93\u51fa\u5230\u5916\u90e8\u8bbe\u5907\u4e2d\uff0c\u4ee5\u4fbf\u5916\u90e8\u8bbe\u5907\u63a5\u6536\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n

  8.DE-<\/h3>\n

  DE-\u662f\u6307\u53d1\u9001\u8d1f\u7aef\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u53d1\u9001\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u5c06RS485\u7cfb\u7edf\u7684\u6570\u636e\u8f93\u51fa\u5230\u5916\u90e8\u8bbe\u5907\u4e2d\uff0c\u4ee5\u4fbf\u5916\u90e8\u8bbe\u5907\u63a5\u6536\u8fd9\u4e9b\u6570\u636e\u3002<\/p>\n

  9.RX<\/h3>\n

  RX\u662f\u6307\u63a5\u6536\uff0c\u5b83\u662fRS485\u7cfb\u7edf\u7684\u63a5\u6536\u7aef\u53e3\uff0c\u5b83\u7684\u4f5c\u7528\u662f\u63a5\u6536\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u7684\u6570\u636e\uff0c\u5e76\u5c06\u8fd9\u4e9b\u6570\u636e\u4f20\u8f93\u7ed9RS485\u7cfb\u7edf\u3002<\/p>\n

9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u4f7f\u7528\u65b9\u6cd5<\/h2>\n

  1.\u63a5\u7ebf<\/h3>\n

  \u9996\u5148\uff0c\u5c069\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u63a5\u597d\uff0cGND\u9488\u811a\u63a5\u5730\uff0cVCC\u9488\u811a\u63a5\u7535\u6e90\uff0cDI\u9488\u811a\u63a5\u8bbe\u5907\u7684\u8f93\u5165\u7aef\u53e3\uff0cDE\u9488\u811a\u63a5\u8bbe\u5907\u7684\u8f93\u51fa\u7aef\u53e3\uff0cRE+\u9488\u811a\u63a5\u6536\u6b63\u7aef\uff0cRE-\u9488\u811a\u63a5\u6536\u8d1f\u7aef\uff0cDE+\u9488\u811a\u53d1\u9001\u6b63\u7aef\uff0cDE-\u9488\u811a\u53d1\u9001\u8d1f\u7aef\uff0cRX\u9488\u811a\u63a5\u6536\u3002<\/p>\n

  2.\u5b89\u88c5\u9a71\u52a8\u7a0b\u5e8f<\/h3>\n

  \u5b89\u88c5\u5b8c\u63a5\u7ebf\u540e\uff0c\u9700\u8981\u5b89\u88c5\u9a71\u52a8\u7a0b\u5e8f\uff0c\u4ee5\u4fbf\u8ba9\u8ba1\u7b97\u673a\u80fd\u591f\u6b63\u5e38\u8bc6\u522b9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u3002<\/p>\n

  3.\u8bbe\u7f6e\u53c2\u6570<\/h3>\n

  \u5b89\u88c5\u5b8c\u9a71\u52a8\u7a0b\u5e8f\u540e\uff0c\u9700\u8981\u8bbe\u7f6eRS485\u7cfb\u7edf\u7684\u53c2\u6570\uff0c\u5305\u62ec\u6ce2\u7279\u7387\u3001\u6570\u636e\u4f4d\u3001\u505c\u6b62\u4f4d\u3001\u6821\u9a8c\u4f4d\u7b49\uff0c\u4ee5\u4fbf\u8ba9RS485\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u662fRS485\u7cfb\u7edf\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5b83\u4eec\u7684\u529f\u80fd\u4e0d\u540c\uff0c\u90fd\u6709\u5404\u81ea\u7684\u4f5c\u7528\u3002<\/strong>\u5b83\u4eec\u7684\u63a5\u7ebf\u65b9\u6cd5\u662fGND\u9488\u811a\u63a5\u5730\uff0cVCC\u9488\u811a\u63a5\u7535\u6e90\uff0cDI\u9488\u811a\u63a5\u8bbe\u5907\u7684\u8f93\u5165\u7aef\u53e3\uff0cDE\u9488\u811a\u63a5\u8bbe\u5907\u7684\u8f93\u51fa\u7aef\u53e3\uff0cRE+\u9488\u811a\u63a5\u6536\u6b63\u7aef\uff0cRE-\u9488\u811a\u63a5\u6536\u8d1f\u7aef\uff0cDE+\u9488\u811a\u53d1\u9001\u6b63\u7aef\uff0cDE-\u9488\u811a\u53d1\u9001\u8d1f\u7aef\uff0cRX\u9488\u811a\u63a5\u6536\u3002\u4f7f\u75289\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a\u4e4b\u524d\uff0c\u9700\u8981\u5b89\u88c5\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5e76\u8bbe\u7f6eRS485\u7cfb\u7edf\u7684\u53c2\u6570\uff0c\u4ee5\u4fdd\u8bc1RS485\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u662f\u4e00\u79cd\u901a\u7528\u7684\u6570\u636e\u4f20\u8f93\u534f\u8bae\uff0c\u53ef\u4ee5\u7528\u4e8e\u8fde\u63a5\u4e0d\u540c\u7684\u8bbe\u5907\uff0c\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002\u5b83\u4f7f\u75289\u9488\u4e32\u53e3\u63a5\u7ebf\u9488\u811a\uff0c\u8fd9\u4e9b\u9488\u811a\u7684\u529f\u80fd\u4e0d\u540c\uff0c\u90fd\u6709\u5404\u81ea\u7684\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd9\u9488\u4e32\u53e3RS485\u63a5\u7ebf\u9488\u811a<\/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-39324","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\/39324"}],"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=39324"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/39324\/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=39324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=39324"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=39324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}