{"id":78822,"date":"2024-01-08T13:34:04","date_gmt":"2024-01-08T05:34:04","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78822"},"modified":"2024-01-08T13:34:04","modified_gmt":"2024-01-08T05:34:04","slug":"rhrysmqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78822.html","title":{"rendered":"RS-232\u548cRS-485\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"

  RS-232\u548cRS-485\u662f\u5e38\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u5206\u6790\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u7279\u70b9\u548c\u533a\u522b\u3002<\/p>\n

RS-232\u534f\u8bae<\/h2>\n

  RS-232\u534f\u8bae\uff0c\u53c8\u79f0\u4e3aEIA RS-232\u3001TIA-232-F\uff0c\u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u4e32\u884c\u7aef\u53e3\u548c\u63a7\u5236\u53f0\u4ee5\u53ca\u5404\u79cd\u5468\u8fb9\u8bbe\u5907\uff0c\u5982\u8c03\u5236\u89e3\u8c03\u5668\u3001\u6253\u5370\u673a\u7b49\u3002<\/p>\n

  \u7535\u5e73\u548c\u8ddd\u79bb<\/h3>\n

  RS-232\u4f7f\u7528\u8d1f\u7535\u538b\u6765\u8868\u793a\u903b\u8f911\uff0c\u6b63\u7535\u538b\u6765\u8868\u793a\u903b\u8f910\u3002\u4fe1\u53f7\u7535\u5e73\u8303\u56f4\u4e3a-15V\u81f3+15V\uff0c\u53ef\u4ee5\u572815\u7c73\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\u3002<\/p>\n

  \u63a5\u53e3\u6807\u51c6<\/h3>\n

  RS-232\u6807\u51c6\u5b9a\u4e49\u4e86\u8fde\u63a5\u5668\u548c\u4fe1\u53f7\u5f15\u811a\u3002\u5e38\u89c1\u7684\u8fde\u63a5\u5668\u5305\u62ecDB9\u548cDB25\u3002<\/p>\n

RS-485\u534f\u8bae<\/h2>\n

  RS-485\u534f\u8bae\u662f\u4e00\u79cd\u591a\u70b9\u901a\u4fe1\u534f\u8bae\uff0c\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u63a7\u5236\u7cfb\u7edf\u3001\u4eea\u5668\u4eea\u8868\u548c\u5efa\u7b51\u81ea\u52a8\u5316\u7cfb\u7edf\u3002<\/p>\n

  \u5dee\u5206\u4fe1\u53f7\u4e0e\u591a\u70b9\u901a\u4fe1<\/h3>\n

  RS-485\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u63a5\u5165\u540c\u4e00\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n

  \u7535\u5e73\u548c\u8ddd\u79bb<\/h3>\n

  RS-485\u7684\u4fe1\u53f7\u7535\u5e73\u8303\u56f4\u4e3a-5V\u81f3+5V\uff0c\u5141\u8bb8\u57281200\u7c73\u7684\u8ddd\u79bb\u5185\u4f20\u8f93\u6570\u636e\uff0c\u4f7f\u5176\u7279\u522b\u9002\u7528\u4e8e\u5de5\u4e1a\u73af\u5883\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS-232\u548cRS-485\u534f\u8bae\u5728\u7535\u5e73\u3001\u8ddd\u79bb\u3001\u63a5\u53e3\u6807\u51c6\u548c\u591a\u70b9\u901a\u4fe1\u7b49\u65b9\u9762\u6709\u660e\u663e\u7684\u533a\u522b\u3002<\/strong>\u9009\u62e9\u5408\u9002\u7684\u534f\u8bae\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u901a\u4fe1\u9700\u6c42\u548c\u73af\u5883\u3002\u5728\u8ba1\u5212\u8bbe\u8ba1\u4e32\u884c\u901a\u4fe1\u7cfb\u7edf\u65f6\uff0c\u9700\u8981\u5145\u5206\u4e86\u89e3\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u7279\u70b9\uff0c\u4ee5\u4fbf\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS-232\u548cRS-485\u662f\u5e38\u7528\u4e8e\u4e32\u884c\u901a\u4fe1\u7684\u6807\u51c6\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u901a\u4fe1\u8bbe\u5907\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u672c\u6587\u5c06\u5206\u6790\u8fd9\u4e24\u79cd\u534f\u8bae\u7684\u7279\u70b9\u548c\u533a\u522b\u3002RS-232\u534f\u8baeRS-232<\/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-78822","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\/78822"}],"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=78822"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78822\/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=78822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}