{"id":78456,"date":"2024-01-13T19:29:04","date_gmt":"2024-01-13T11:29:04","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78456"},"modified":"2024-01-13T19:29:04","modified_gmt":"2024-01-13T11:29:04","slug":"srljrckyjdy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78456.html","title":{"rendered":"\u6df1\u5165\u4e86\u89e3RS422 DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49"},"content":{"rendered":"

  RS422 DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\u5bf9\u4e8e\u4e32\u884c\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4e3a\u60a8\u8be6\u7ec6\u4ecb\u7ecdRS422\u548cDB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\uff0c\u5e76\u8ba8\u8bba\u5176\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u6570\u636e\u901a\u4fe1\u9886\u57df\u7684\u91cd\u8981\u6027\u3002<\/p>\n

RS422\u4e32\u53e3\u901a\u4fe1<\/a>\u534f\u8bae<\/h2>\n

  RS422\u662f\u4e00\u79cd\u6807\u51c6\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4e3a\u5168\u53cc\u5de5\u901a\u4fe1\u63d0\u4f9b\u4e86\u4e00\u79cd\u53ef\u9760\u548c\u9ad8\u901f\u7684\u89e3\u51b3\u65b9\u6848\u3002RS422\u534f\u8bae\u91c7\u7528\u5e73\u8861\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u5177\u6709\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u4f20\u8f93\u8ddd\u79bb\u8fdc\u7b49\u7279\u70b9\uff0c\u56e0\u6b64\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

  RS422\u5f15\u811a\u5b9a\u4e49<\/h3>\n

  RS422\u4f7f\u7528\u4e864\u6839\u4f20\u8f93\u7ebf\uff0c\u5206\u522b\u662fTx+\u3001Tx-\u3001Rx+\u3001Rx-\uff0c\u7528\u4e8e\u5b9e\u73b0\u5168\u53cc\u5de5<\/a>\u901a\u4fe1\u3002\u4e0b\u9762\u662f\u5e38\u89c1\u7684RS422 DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\uff1a<\/p>\n

    \n
  1. Tx+\uff1a\u4f20\u8f93\u6b63\u5411\u6570\u636e\u7684\u5f15\u811a<\/li>\n
  2. Tx-\uff1a\u4f20\u8f93\u8d1f\u5411\u6570\u636e\u7684\u5f15\u811a<\/li>\n
  3. Rx+\uff1a\u63a5\u6536\u6b63\u5411\u6570\u636e\u7684\u5f15\u811a<\/li>\n
  4. Rx-\uff1a\u63a5\u6536\u8d1f\u5411\u6570\u636e\u7684\u5f15\u811a<\/li>\n<\/ol>\n

      RS422\u5f15\u811a\u8fde\u63a5\u793a\u610f\u56fe<\/h4>\n

    \"RS422\u5f15\u811a\u8fde\u63a5\u793a\u610f\u56fe\"<\/p>\n

    DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49<\/h2>\n

      DB9\u4e32\u53e3\u662f\u4e00\u79cd9\u9488\u7684\u8fde\u63a5\u5668\uff0c\u5e38\u7528\u4e8eRS232\u548cRS485\u4e32\u53e3\u8fde\u63a5\u3002\u5728\u4f7f\u7528RS422\u534f\u8bae\u65f6\uff0c\u9700\u8981\u5c06DB9\u8fde\u63a5\u5668\u4e0eRS422<\/a>\u5f15\u811a\u5bf9\u63a5\uff0c\u786e\u4fdd\u8fde\u63a5\u6b63\u786e\u4ee5\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

      DB9\u4e0eRS422\u5f15\u811a\u6620\u5c04<\/h3>\n

      \u4e0b\u8868\u5217\u51fa\u4e86DB9\u4e32\u53e3\u5f15\u811a\u4e0eRS422\u5f15\u811a\u7684\u5bf9\u5e94\u5173\u7cfb\uff1a<\/p>\n\n\n\n\n\n\n
    DB9\u5f15\u811a<\/th>\nRS422\u5f15\u811a<\/th>\n<\/tr>\n
    2<\/td>\nTx+<\/td>\n<\/tr>\n
    3<\/td>\nTx-<\/td>\n<\/tr>\n
    5<\/td>\nRx+<\/td>\n<\/tr>\n
    9<\/td>\nRx-<\/td>\n<\/tr>\n<\/table>\n

    \u603b\u7ed3<\/h2>\n

      \u672c\u6587\u4ecb\u7ecd\u4e86RS422\u548cDB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\uff0c\u91cd\u70b9\u9610\u8ff0\u4e86RS422\u7684\u901a\u4fe1\u534f\u8bae\u548cDB9\u4e0eRS422\u5f15\u811a\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/strong>\u4e86\u89e3\u5e76\u6b63\u786e\u8fde\u63a5\u8fd9\u4e9b\u5f15\u811a\u5bf9\u4e8e\u786e\u4fdd\u4e32\u884c\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u6570\u636e\u901a\u4fe1\u9886\u57df\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    RS422DB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\u5bf9\u4e8e\u4e32\u884c\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4e3a\u60a8\u8be6\u7ec6\u4ecb\u7ecdRS422\u548cDB9\u4e32\u53e3\u5f15\u811a\u5b9a\u4e49\uff0c\u5e76\u8ba8\u8bba\u5176\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u6570\u636e\u901a\u4fe1\u9886\u57df\u7684\u91cd\u8981\u6027\u3002RS422\u4e32\u53e3\u901a\u4fe1\u534f\u8bae<\/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-78456","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78456","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=78456"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78456\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64183"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=78456"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78456"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}