{"id":78747,"date":"2024-01-08T06:50:34","date_gmt":"2024-01-07T22:50:34","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78747"},"modified":"2024-01-08T06:50:34","modified_gmt":"2024-01-07T22:50:34","slug":"rzsmy","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78747.html","title":{"rendered":"RS232\u957f\u4ec0\u4e48\u6837"},"content":{"rendered":"

  RS232\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u7684\u51fa\u73b0\u5728\u5f88\u591a\u9886\u57df\u90fd\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecdRS232\u63a5\u53e3\u7684\u7279\u70b9\u548c\u5e94\u7528\u3002<\/p>\n

RS232\u7684\u7269\u7406\u63a5\u53e3<\/h2>\n

  \u5728RS232\u6807\u51c6\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528DB9\u6216DB25\u8fde\u63a5\u5668\u3002\u8fd9\u4e9b\u8fde\u63a5\u5668\u4e2d\u5305\u542b\u4e86\u4f20\u8f93\u6570\u636e\u6240\u9700\u7684\u5f15\u811a\uff0c\u4f8b\u5982\u53d1\u9001\u6570\u636e\u3001\u63a5\u6536\u6570\u636e\u3001\u5730\u7ebf\u7b49\u3002DB9\u8fde\u63a5\u5668\u5e38\u89c1\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u7ec8\u7aef\u8bbe\u5907\uff0c\u800cDB25\u8fde\u63a5\u5668\u5e38\u89c1\u4e8e\u8f83\u8001\u7684\u8bbe\u5907\u548c\u5de5\u4e1a\u5e94\u7528\u3002<\/p>\n

  DB9\u8fde\u63a5\u5668<\/h3>\n

  DB9\u8fde\u63a5\u5668\u662f\u4e00\u79cd9\u9488\u7684\u4e32\u884c\u63a5\u53e3\u8fde\u63a5\u5668\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4e2a\u4eba\u7535\u8111\u548c\u7ec8\u7aef\u8bbe\u5907\u3002\u5728DB9\u8fde\u63a5\u5668\u4e2d\uff0c\u7ecf\u5e38\u4f7f\u7528\u7684\u9488\u811a\u5305\u62ec\u53d1\u9001\u6570\u636e\uff08TXD\uff09\u3001\u63a5\u6536\u6570\u636e\uff08RXD\uff09\u3001\u5730\u7ebf\uff08GND\uff09\u7b49\uff0c\u8fd9\u4e9b\u9488\u811a\u8d1f\u8d23\u4e32\u884c\u6570\u636e\u7684\u4f20\u8f93\u548c\u8fde\u63a5\u3002<\/p>\n

  DB25\u8fde\u63a5\u5668<\/h3>\n

  \u76f8\u6bd4\u4e8eDB9\u8fde\u63a5\u5668\uff0cDB25\u8fde\u63a5\u5668\u62e5\u6709\u66f4\u591a\u7684\u9488\u811a\uff0c\u5171\u8ba125\u6839\u3002\u5728\u4e00\u4e9b\u8f83\u8001\u7684\u8bbe\u5907\u548c\u5de5\u4e1a\u5e94\u7528\u4e2d\u4ecd\u7136\u53ef\u4ee5\u89c1\u5230DB25\u8fde\u63a5\u5668\u7684\u8eab\u5f71\uff0c\u5b83\u80fd\u591f\u652f\u6301\u66f4\u590d\u6742\u7684\u4e32\u884c\u901a\u4fe1\u529f\u80fd\uff0c\u540c\u65f6\u4e5f\u63d0\u4f9b\u66f4\u591a\u7684\u5f15\u811a\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u901a\u4fe1\u9700\u6c42\u3002<\/p>\n

RS232<\/a>\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n

  RS232\u6807\u51c6\u4f7f\u7528\u7684\u662f\u57fa\u4e8e\u7535\u538b\u7684\u4e32\u884c\u901a\u4fe1\u65b9\u5f0f\uff0c\u5e38\u89c1\u7684\u7535\u538b\u7ea7\u522b\u662f-3\u81f3-25V\u4ee3\u8868\u903b\u8f911\uff0c+3\u81f3+25V\u4ee3\u8868\u903b\u8f910\u3002\u5728\u5b9e\u9645\u7684\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u4f1a\u901a\u8fc7\u7535\u5e73\u8f6c\u6362\u5668\u5c06RS232\u6807\u51c6\u8f6c\u6362\u4e3a\u9002\u5408\u5fae\u63a7\u5236\u5668\u6216\u5176\u4ed6\u8bbe\u5907\u4f7f\u7528\u7684\u7535\u5e73\u4fe1\u53f7\u3002<\/p>\n

  \u6570\u636e\u4f20\u8f93<\/h3>\n

  \u5728RS232\u901a\u4fe1\u4e2d\uff0c\u6570\u636e\u662f\u901a\u8fc7\u4e32\u884c\u4f20\u8f93\u7684\uff0c\u53d1\u9001\u65b9\u5c06\u6570\u636e\u8f6c\u6362\u4e3a\u5e8f\u5217\u5316\u4fe1\u53f7\u4f9d\u6b21\u53d1\u9001\uff0c\u63a5\u6536\u65b9\u63a5\u6536\u540e\u518d\u5c06\u5176\u8f6c\u6362\u56de\u6570\u636e\u3002\u901a\u8fc7\u6570\u636e\u4f4d\u3001\u6821\u9a8c\u4f4d\u548c\u505c\u6b62\u4f4d\u7684\u7ec4\u5408\uff0cRS232\u53ef\u4ee5\u5b9e\u73b0\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n

  \u5f02\u6b65\u901a\u4fe1<\/h3>\n

  RS232\u901a\u4fe1\u91c7\u7528\u5f02\u6b65\u901a\u4fe1\u7684\u65b9\u5f0f\uff0c\u5728\u6bcf\u4e2a\u6570\u636e\u5b57\u7b26\u4e4b\u95f4\u4f7f\u7528\u8d77\u59cb\u4f4d\u548c\u505c\u6b62\u4f4d\u8fdb\u884c\u5206\u5272\uff0c\u8fd9\u6837\u63a5\u6536\u65b9\u53ef\u4ee5\u6839\u636e\u8d77\u59cb\u4f4d\u6765\u786e\u5b9a\u4f55\u65f6\u5f00\u59cb\u8bfb\u53d6\u6570\u636e\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6b63\u786e\u63a5\u6536\u4e0e\u53d1\u9001\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

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RS232\u662f\u4e00\u79cd\u5e7f\u6cdb\u5e94\u7528\u7684\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\u6807\u51c6\uff0c\u5b83\u7684\u51fa\u73b0\u5728\u5f88\u591a\u9886\u57df\u90fd\u626e\u6f14\u7740\u91cd\u8981\u7684\u89d2\u8272\uff0c\u672c\u6587\u5c06\u6df1\u5165\u4ecb\u7ecdRS232\u63a5\u53e3\u7684\u7279\u70b9\u548c\u5e94\u7528\u3002RS232\u7684\u7269\u7406\u63a5\u53e3\u5728RS232\u6807\u51c6\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-78747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r-3"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78747","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=78747"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78747\/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=78747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}