{"id":78776,"date":"2024-01-05T19:17:07","date_gmt":"2024-01-05T11:17:07","guid":{"rendered":"\/\/www.dealsbon.com\/?p=78776"},"modified":"2024-01-05T19:17:07","modified_gmt":"2024-01-05T11:17:07","slug":"srljrdyjdy","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/78776.html","title":{"rendered":"\u6df1\u5165\u4e86\u89e3RS232\u7684\u5f15\u811a\u5b9a\u4e49"},"content":{"rendered":"

  RS232\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae<\/a>\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u3002\u4e86\u89e3RS232\u7684\u5f15\u811a\u5b9a\u4e49\u5bf9\u7406\u89e3\u4e32\u884c\u901a\u4fe1\u7684\u539f\u7406\u548c\u5b9e\u73b0\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

RS232\u7684\u6570\u636e\u5f15\u811a<\/h2>\n

  \u5728RS232\u534f\u8bae\u4e2d\uff0c\u6570\u636e\u901a\u4fe1\u662f\u901a\u8fc7\u591a\u4e2a\u5f15\u811a\u6765\u5b8c\u6210\u7684\u3002\u5176\u4e2d\uff0c\u6570\u636e\u5f15\u811a\u662f\u81f3\u5173\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

  \u5f15\u811a1 – Protective Ground<\/h3>\n

  \u8fd9\u662fRS232\u8fde\u63a5\u4e2d\u7684\u5730\u7ebf\u5f15\u811a\uff0c\u7528\u4e8e\u8fde\u63a5\u8bbe\u5907\u7684\u4fdd\u62a4\u63a5\u5730\u3002\u5b83\u786e\u4fdd\u4e86\u901a\u4fe1\u7ebf\u8def\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u3002<\/p>\n

  \u5f15\u811a2 – Transmitted Data (TXD)<\/h3>\n

  TXD\u5f15\u811a\u7528\u4e8e\u4ece\u6570\u636e\u53d1\u9001\u65b9\uff08\u5982\u8ba1\u7b97\u673a\uff09\u5411\u5916\u90e8\u8bbe\u5907\u53d1\u9001\u6570\u636e\u3002\u5b83\u662f\u4e32\u884c\u901a\u4fe1\u4e2d\u7684\u53d1\u9001\u7aef\u3002<\/p>\n

  \u5f15\u811a3 – Received Data (RXD)<\/h3>\n

  RXD\u5f15\u811a\u7528\u4e8e\u63a5\u6536\u6765\u81ea\u5916\u90e8\u8bbe\u5907\u7684\u6570\u636e\uff0c\u5982\u4f20\u611f\u5668<\/a>\u6216\u7ec8\u7aef\u8bbe\u5907\u3002\u5b83\u662f\u4e32\u884c\u901a\u4fe1\u4e2d\u7684\u63a5\u6536\u7aef\u3002<\/p>\n

RS232<\/a>\u7684\u63a7\u5236\u5f15\u811a<\/h2>\n

  \u9664\u4e86\u6570\u636e\u5f15\u811a\u5916\uff0cRS232\u8fde\u63a5\u8fd8\u5305\u62ec\u4e00\u4e9b\u63a7\u5236\u5f15\u811a\uff0c\u7528\u4e8e\u5b9e\u73b0\u901a\u4fe1\u7684\u63a7\u5236\u548c\u534f\u8c03\u3002<\/p>\n

  \u5f15\u811a4 – Data Terminal Ready (DTR)<\/h3>\n

  DTR\u5f15\u811a\u6307\u793a\u6570\u636e\u7ec8\u7aef\u8bbe\u5907\uff08\u5982\u8ba1\u7b97\u673a\uff09\u5df2\u51c6\u5907\u597d\u8fdb\u884c\u901a\u4fe1\u3002\u5916\u90e8\u8bbe\u5907\u53ef\u4ee5\u68c0\u6d4b\u5230\u8fd9\u4e2a\u4fe1\u53f7\u5e76\u505a\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n

  \u5f15\u811a5 – Signal Ground<\/h3>\n

  \u8fd9\u662fRS232\u8fde\u63a5\u4e2d\u7684\u5730\u7ebf\u5f15\u811a\uff0c\u7528\u4e8e\u8fde\u63a5\u8bbe\u5907\u7684\u4fe1\u53f7\u5730\u3002\u5b83\u662f\u63a7\u5236\u5f15\u811a\u548c\u6570\u636e\u5f15\u811a\u7684\u5171\u540c\u53c2\u8003\u70b9\u3002<\/p>\n

  \u5f15\u811a6 – Data Set Ready (DSR)<\/h3>\n

  DSR\u5f15\u811a\u8868\u793a\u5916\u90e8\u6570\u636e\u8bbe\u5907\u5df2\u51c6\u5907\u597d\u8fdb\u884c\u901a\u4fe1\u3002\u8ba1\u7b97\u673a\u53ef\u4ee5\u68c0\u6d4b\u5230\u8fd9\u4e2a\u4fe1\u53f7\u5e76\u505a\u51fa\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u901a\u8fc7\u4e86\u89e3RS232\u7684\u5f15\u811a\u5b9a\u4e49\uff0c\u6211\u4eec\u6df1\u5165\u7406\u89e3\u4e86\u4e32\u884c\u901a\u4fe1\u7684\u6838\u5fc3\u539f\u7406\u3002<\/strong>\u6570\u636e\u5f15\u811a\u548c\u63a7\u5236\u5f15\u811a\u5171\u540c\u6784\u6210\u4e86RS232\u8fde\u63a5\u7684\u57fa\u7840\uff0c\u5b9e\u73b0\u4e86\u8bbe\u5907\u95f4\u7a33\u5b9a\u3001\u9ad8\u6548\u7684\u6570\u636e\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS232\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\u3002\u4e86\u89e3RS232\u7684\u5f15\u811a\u5b9a\u4e49\u5bf9\u7406\u89e3\u4e32\u884c\u901a\u4fe1\u7684\u539f\u7406\u548c\u5b9e\u73b0\u81f3\u5173\u91cd\u8981\u3002RS232\u7684\u6570\u636e\u5f15\u811a\u5728RS232\u534f\u8bae\u4e2d<\/p>\n","protected":false},"author":1,"featured_media":64183,"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":[68],"class_list":["post-78776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/78776"}],"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=78776"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/78776\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/media?parent=78776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=78776"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=78776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}