{"id":32278,"date":"2023-09-19T10:16:04","date_gmt":"2023-09-19T02:16:04","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=32278"},"modified":"2023-09-19T10:16:04","modified_gmt":"2023-09-19T02:16:04","slug":"cknjdzdx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/32278.html","title":{"rendered":"\u4e32\u53e3\u80fd\u63a5\u591a\u957f\u7684\u7ebf\uff1f"},"content":{"rendered":"

  \u4e32\u53e3\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u6709\u591a\u79cd\u4e0d\u540c\u7684\u8fde\u63a5\u7c7b\u578b\uff0c\u6bd4\u5982RS232\u3001RS485\u3001RS422\u7b49\uff0c\u5b83\u4eec\u90fd\u6709\u4e0d\u540c\u7684\u7279\u70b9\u548c\u7528\u9014\u3002\u4e32\u53e3\u80fd\u63a5\u591a\u957f\u7684\u7ebf\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u672c\u6587\u5c06\u8ba8\u8bba\u4e0d\u540c\u7c7b\u578b\u4e32\u53e3\u63a5\u591a\u5c11\u7ebf\u7684\u95ee\u9898\u3002<\/p>\n

RS232\u4e32\u53e3\u63a5\u7ebf<\/h2>\n

  RS232\u4e32\u53e3\u63a5\u7ebf\u6bd4\u8f83\u7b80\u5355\uff0c\u5b83\u53ea\u9700\u89813\u6839\u7ebf\u5c31\u53ef\u4ee5\u5b8c\u6210\u8fde\u63a5\u3002\u8fd93\u6839\u7ebf\u5206\u522b\u662f\uff1aTXD\uff08\u53d1\u9001\u6570\u636e\uff09\u3001RXD\uff08\u63a5\u6536\u6570\u636e\uff09\u548cGND\uff08\u5730\u7ebf\uff09\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u4e00\u6839DTR\uff08\u6570\u636e\u7ec8\u7aef\u51c6\u5907\uff09\u7ebf\uff0c\u4f46\u662f\u8fd9\u6839\u7ebf\u4e0d\u662f\u5fc5\u987b\u7684\u3002<\/p>\n

RS485\u4e32\u53e3\u63a5\u7ebf<\/h2>\n

  RS485\u4e32\u53e3\u63a5\u7ebf\u6bd4RS232\u4e32\u53e3\u8981\u590d\u6742\u4e00\u4e9b\uff0c\u5b83\u9700\u89814\u6839\u7ebf\u624d\u80fd\u5b8c\u6210\u8fde\u63a5\u3002\u8fd94\u6839\u7ebf\u5206\u522b\u662f\uff1aA\uff08A\u7ebf\uff09\u3001B\uff08B\u7ebf\uff09\u3001GND\uff08\u5730\u7ebf\uff09\u548cCTS\uff08\u63a7\u5236\u4fe1\u53f7\u7ebf\uff09\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u9009\u62e9\u6dfb\u52a0\u4e00\u6839RTS\uff08\u8bf7\u6c42\u53d1\u9001\u7ebf\uff09\u7ebf\uff0c\u4f46\u662f\u8fd9\u6839\u7ebf\u4e5f\u4e0d\u662f\u5fc5\u987b\u7684\u3002<\/p>\n

RS422\u4e32\u53e3\u63a5\u7ebf<\/h2>\n

  RS422\u4e32\u53e3\u63a5\u7ebf\u6bd4RS485\u4e32\u53e3\u66f4\u52a0\u590d\u6742\uff0c\u5b83\u9700\u89815\u6839\u7ebf\u624d\u80fd\u5b8c\u6210\u8fde\u63a5\u3002\u8fd95\u6839\u7ebf\u5206\u522b\u662f\uff1aA\uff08A\u7ebf\uff09\u3001B\uff08B\u7ebf\uff09\u3001GND\uff08\u5730\u7ebf\uff09\u3001CTS\uff08\u63a7\u5236\u4fe1\u53f7\u7ebf\uff09\u548cRTS\uff08\u8bf7\u6c42\u53d1\u9001\u7ebf\uff09\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u9762\u53ef\u4ee5\u770b\u51fa\uff0cRS232\u4e32\u53e3\u53ea\u9700\u89813\u6839\u7ebf\uff0cRS485\u4e32\u53e3\u9700\u89814\u6839\u7ebf\uff0cRS422\u4e32\u53e3\u9700\u89815\u6839\u7ebf\uff0c\u800c\u4e14RS485\u548cRS422\u8fd8\u53ef\u4ee5\u9009\u62e9\u6dfb\u52a0\u4e00\u6839RTS\u7ebf\u3002<\/strong>\u56e0\u6b64\uff0c\u4e32\u53e3\u80fd\u63a5\u591a\u957f\u7684\u7ebf\u53d6\u51b3\u4e8e\u4f7f\u7528\u7684\u4e32\u53e3\u7c7b\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e32\u53e3\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06\u8ba1\u7b97\u673a\u4e0e\u5916\u90e8\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5b83\u6709\u591a\u79cd\u4e0d\u540c\u7684\u8fde\u63a5\u7c7b\u578b\uff0c\u6bd4\u5982RS232\u3001RS485\u3001RS422\u7b49\uff0c\u5b83\u4eec\u90fd\u6709\u4e0d\u540c\u7684\u7279\u70b9\u548c\u7528\u9014\u3002\u4e32\u53e3\u80fd\u63a5\u591a<\/p>\n","protected":false},"author":1,"featured_media":3671,"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":[69],"class_list":["post-32278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cktx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/32278","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=32278"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/32278\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=32278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=32278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=32278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}