{"id":78561,"date":"2024-01-09T11:34:43","date_gmt":"2024-01-09T03:34:43","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=78561"},"modified":"2024-01-09T11:34:43","modified_gmt":"2024-01-09T03:34:43","slug":"ljhdqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/78561.html","title":{"rendered":"\u4e86\u89e3232\u3001422\u548c485\u7684\u533a\u522b"},"content":{"rendered":"

  \u5728\u73b0\u4ee3\u901a\u4fe1\u9886\u57df\uff0c232\u3001422\u548c485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u76d1\u63a7\u7cfb\u7edf\u548c\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u4eca\u5929\u6211\u4eec\u5c06\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u6807\u51c6\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u5b83\u4eec\u3002<\/p>\n

RS-232\u4e0eRS-422\u7684\u533a\u522b<\/h2>\n

  RS-232\u548cRS-422\u90fd\u662f\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u4f46\u5b83\u4eec\u5728\u4fe1\u53f7\u4f20\u8f93\u4e0a\u6709\u663e\u8457\u7684\u533a\u522b\u3002<\/p>\n

  \u7535\u6c14\u7279\u6027<\/h3>\n

  RS-232\u4f7f\u7528\u5355\u4e00\u7684\u53d1\u9001\u548c\u63a5\u6536\u7ebf\u8def\uff0c\u800cRS-422\u5219\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5305\u62ec\u4e24\u6761\u53d1\u9001\u7ebf\u8def\u548c\u4e24\u6761\u63a5\u6536\u7ebf\u8def\u3002\u8fd9\u79cd\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u4f7fRS-422\u66f4\u9002\u5408\u4e8e\u957f\u8ddd\u79bb\u901a\u4fe1\u548c\u6297\u5e72\u6270\u80fd\u529b\u66f4\u5f3a\u3002<\/p>\n

  \u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  \u7531\u4e8e\u91c7\u7528\u4e86\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0cRS-422\u652f\u6301\u66f4\u957f\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u6700\u9ad8\u53ef\u8fbe1200\u7c73\uff0c\u800cRS-232\u901a\u5e38\u53ea\u80fd\u8fbe\u523015\u7c73\u5de6\u53f3\u7684\u4f20\u8f93\u8ddd\u79bb\u3002<\/p>\n

RS-422\u4e0eRS-485\u7684\u533a\u522b<\/h2>\n

  RS-422\u548cRS-485\u90fd\u662f\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u6807\u51c6\uff0c\u4f46\u5b83\u4eec\u5728\u4fe1\u53f7\u7ebf\u6570\u91cf\u548c\u591a\u70b9\u901a\u4fe1\u80fd\u529b\u4e0a\u6709\u6240\u4e0d\u540c\u3002<\/p>\n

  \u4fe1\u53f7\u7ebf\u6570\u91cf<\/h3>\n

  RS-422\u91c7\u7528\u4e86\u56db\u6761\u4fe1\u53f7\u7ebf\uff08\u4e24\u6761\u53d1\u9001\u7ebf\u8def\u548c\u4e24\u6761\u63a5\u6536\u7ebf\u8def\uff09\uff0c\u800cRS-485\u53ea\u9700\u8981\u4e24\u6761\u4fe1\u53f7\u7ebf\uff08\u4e00\u5bf9\u53d1\u9001\/\u63a5\u6536\u7ebf\u8def\uff09\uff0c\u8fd9\u4f7f\u5f97RS-485\u66f4\u8282\u7701\u6210\u672c\u548c\u5e03\u7ebf\u7a7a\u95f4\u3002<\/p>\n

  \u591a\u70b9\u901a\u4fe1<\/h3>\n

  RS-485\u652f\u6301\u591a\u70b9\u901a\u4fe1\uff0c\u5141\u8bb8\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u540c\u4e00\u6761\u603b\u7ebf\u8fdb\u884c\u901a\u4fe1\uff0c\u800cRS-422\u901a\u5e38\u53ea\u80fd\u5b9e\u73b0\u70b9\u5bf9\u70b9\u901a\u4fe1\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u603b\u7684\u6765\u8bf4\uff0cRS-232\u9002\u7528\u4e8e\u77ed\u8ddd\u79bb\u901a\u4fe1\uff0cRS-422\u9002\u7528\u4e8e\u4e2d\u8ddd\u79bb\u9ad8\u901f\u901a\u4fe1\u548cRS-485\u9002\u7528\u4e8e\u591a\u70b9\u901a\u4fe1\u7684\u957f\u8ddd\u79bb\u4f20\u8f93\u3002<\/strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u901a\u4fe1\u8981\u6c42\u9009\u62e9\u5408\u9002\u7684\u6807\u51c6\uff0c\u4ee5\u786e\u4fdd\u901a\u4fe1\u8d28\u91cf\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u73b0\u4ee3\u901a\u4fe1\u9886\u57df\uff0c232\u3001422\u548c485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u6807\u51c6\u3002\u5b83\u4eec\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u76d1\u63a7\u7cfb\u7edf\u548c\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u8d77\u7740\u91cd\u8981\u4f5c\u7528\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u8fd9\u4e09\u79cd\u6807\u51c6\u7684\u533a\u522b\uff0c\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u5b83\u4eec\u3002R<\/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-78561","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\/78561","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=78561"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/78561\/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=78561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=78561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=78561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}