{"id":78275,"date":"2024-01-09T06:52:38","date_gmt":"2024-01-08T22:52:38","guid":{"rendered":"\/\/www.dealsbon.com\/?p=78275"},"modified":"2024-01-09T06:52:38","modified_gmt":"2024-01-08T22:52:38","slug":"dckyjdy","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/78275.html","title":{"rendered":"422 DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49"},"content":{"rendered":"

  \u4e32\u53e3\u901a\u4fe1\u4e00\u76f4\u662f\u7535\u5b50\u8bbe\u5907\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u800c422 DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\u5219\u662f\u5176\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd422\u4e32\u53e3\u548cDB9\u4e32\u53e3\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e76\u6df1\u5165\u63a2\u8ba8\u5176\u5f15\u811a\u5b9a\u4e49\u53ca\u4f5c\u7528\u3002<\/p>\n

422\u4e32\u53e3\u4ecb\u7ecd<\/h2>\n

  422\u4e32\u53e3\uff0c\u53c8\u79f0\u4e3aRS-422\uff0c\u662f\u4e00\u79cd\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u6807\u51c6\u63a5\u53e3\u3002\u5b83\u80fd\u591f\u5b9e\u73b0\u9ad8\u901f\u3001\u8fdc\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u901a\u4fe1\u9886\u57df\u4ee5\u53ca\u5176\u5b83\u9700\u8981\u53ef\u9760\u6570\u636e\u4f20\u8f93\u7684\u573a\u5408\u3002422\u4e32\u53e3\u662f\u5168\u53cc\u5de5\u7684\uff0c\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u6570\u636e\u53d1\u9001\u548c\u63a5\u6536\u3002<\/p>\n

  422\u4e32\u53e3\u7684\u7279\u70b9<\/h3>\n

  RS-422\u4e32\u53e3\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n

   – \u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93<\/p>\n

   – \u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b<\/p>\n

   – \u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/p>\n

   – \u652f\u6301\u591a\u70b9\u901a\u4fe1<\/p>\n

  422\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49<\/h3>\n

  422\u4e32\u53e3\u901a\u5e38\u6709\u56db\u4e2a\u5f15\u811a\uff0c\u5206\u522b\u662f\u53d1\u9001\u6570\u636e(TXD+\/-)\u3001\u63a5\u6536\u6570\u636e(RXD+\/-)\u3002TXD+\/-\u662f\u53d1\u9001\u6570\u636e\u7684\u6b63\u8d1f\u6781\uff0cRXD+\/-\u662f\u63a5\u6536\u6570\u636e\u7684\u6b63\u8d1f\u6781\u3002\u8fd9\u4e9b\u5f15\u811a\u5c06\u4e0d\u540c\u8bbe\u5907\u8fde\u63a5\u8d77\u6765\uff0c\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

DB9\u4e32\u53e3\u4ecb\u7ecd<\/h2>\n

  DB9\u4e32\u53e3\uff0c\u4e5f\u88ab\u79f0\u4e3a9\u9488\u63d2\u5ea7\uff0c\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u4e32\u53e3\u63a5\u53e3\u7c7b\u578b\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u8fde\u63a5\u8ba1\u7b97\u673a\u548c\u5916\u90e8\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002DB9\u4e32\u53e3\u53ef\u4ee5\u652f\u6301\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5982RS-232\u3001RS-485\u7b49\u3002<\/p>\n

  DB9\u4e32\u53e3\u7684\u5e94\u7528<\/h3>\n

  DB9\u4e32\u53e3\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u3001\u8ba1\u7b97\u673a\u5916\u8bbe\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u867d\u7136\u5728\u73b0\u4ee3\u8bbe\u5907\u4e2d\u9010\u6e10\u88abUSB\u63a5\u53e3\u53d6\u4ee3\uff0c\u4f46\u67d0\u4e9b\u8001\u5f0f\u8bbe\u5907\u4ecd\u7136\u91c7\u7528DB9\u4e32\u53e3\u3002<\/p>\n

  DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49<\/h3>\n

  DB9\u4e32\u53e3\u901a\u5e38\u5305\u542b9\u4e2a\u5f15\u811a\uff0c\u5176\u4e2d\u5305\u62ec\u53d1\u9001\u6570\u636e(TXD)\u3001\u63a5\u6536\u6570\u636e(RXD)\u3001\u6570\u636e\u5c31\u7eea(DTR)\u3001\u6570\u636e\u7ec8\u7aef\u5c31\u7eea(DSR)\u3001\u6570\u636e\u88c5\u7f6e\u5c31\u7eea(DCD)\u7b49\u5f15\u811a\u3002\u8fd9\u4e9b\u5f15\u811a\u5728\u8fde\u63a5\u8bbe\u5907\u65f6\u8d77\u7740\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u6b63\u5e38\u7684\u6570\u636e\u4f20\u8f93\u548c\u8bbe\u5907\u4ea4\u4e92\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  422\u4e32\u53e3\u548cDB9\u4e32\u53e3\u5728\u8bbe\u5907\u95f4\u6570\u636e\u4f20\u8f93\u548c\u901a\u4fe1\u4e2d\u53d1\u6325\u7740\u91cd\u8981\u4f5c\u7528\u3002<\/strong>\u4e86\u89e3\u5b83\u4eec\u7684\u5f15\u811a\u5b9a\u4e49\u548c\u5de5\u4f5c\u539f\u7406\uff0c\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u5e94\u7528\u548c\u7ef4\u62a4\u76f8\u5173\u8bbe\u5907\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d8\u5316\uff0c\u4e32\u53e3\u63a5\u53e3\u4e5f\u5728\u4e0d\u65ad\u66f4\u65b0\u548c\u6f14\u8fdb\uff0c\u4f46\u5bf9\u5176\u57fa\u672c\u539f\u7406\u7684\u4e86\u89e3\u4ecd\u662f\u6211\u4eec\u5b66\u4e60\u548c\u5de5\u4f5c\u4e2d\u7684\u91cd\u8981\u57fa\u7840\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e32\u53e3\u901a\u4fe1\u4e00\u76f4\u662f\u7535\u5b50\u8bbe\u5907\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\uff0c\u800c422DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\u5219\u662f\u5176\u4e2d\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u672c\u6587\u5c06\u4ecb\u7ecd422\u4e32\u53e3\u548cDB9\u4e32\u53e3\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e76\u6df1\u5165\u63a2\u8ba8\u5176\u5f15\u811a\u5b9a\u4e49\u53ca\u4f5c\u7528\u3002<\/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":[259],"class_list":["post-78275","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/78275"}],"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=78275"}],"version-history":[{"count":0,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/posts\/78275\/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=78275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/categories?post=78275"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.dealsbon.com\/wp-json\/wp\/v2\/tags?post=78275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}