{"id":25333,"date":"2023-09-05T13:16:07","date_gmt":"2023-09-05T05:16:07","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=25333"},"modified":"2023-09-19T14:38:58","modified_gmt":"2023-09-19T06:38:58","slug":"rhrdqb-5","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/25333.html","title":{"rendered":"RS422\u548cRS485\u7684\u533a\u522b"},"content":{"rendered":"\n

\u3000\u3000\u5728\u73b0\u4ee3\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u901a\u4fe1\u9886\u57df\uff0cRS422\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002\u5c3d\u7ba1\u5b83\u4eec\u5728\u540d\u79f0\u548c\u5916\u89c2\u4e0a\u975e\u5e38\u76f8\u4f3c\uff0c\u4f46\u5b83\u4eec\u5728\u6027\u80fd\u3001\u7535\u6c14\u7279\u6027\u548c\u5e94\u7528\u573a\u666f\u4e0a\u5b58\u5728\u4e00\u4e9b\u5173\u952e\u7684\u533a\u522b\u3002<\/strong>\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8RS422\u548cRS485\u7684\u533a\u522b\uff0c\u5e76\u5206\u6790\u5b83\u4eec\u5728\u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e2d\u7684\u4f18\u52bf\u548c\u9002\u7528\u6027\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e00\u3001RS422\u548cRS485\u7684\u57fa\u672c\u6982\u8ff0<\/h2>\n\n\n\n

\u3000\u3000RS422\u548cRS485\u90fd\u662f\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u8fdc\u8ddd\u79bb\u4f20\u8f93\u6570\u636e\u3002\u5b83\u4eec\u90fd\u662f\u57fa\u4e8e\u7535\u5e73\u5dee\u5206\u4fe1\u53f7\u7684\u534f\u8bae\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u62b5\u6297\u5e72\u6270\u548c\u566a\u58f0\uff0c\u5e76\u63d0\u4f9b\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u3002<\/strong>\u7136\u800c\uff0c\u5b83\u4eec\u5728\u7535\u6c14\u7279\u6027\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4e0a\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e8c\u3001\u7535\u6c14\u7279\u6027\u7684\u533a\u522b<\/h2>\n\n\n\n

\u3000\u30001. RS422\u7535\u6c14\u7279\u6027\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS422\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5176\u4e2d\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u4e3a\u6b63\u5411\u4fe1\u53f7(A+)\uff0c\u53e6\u4e00\u4e2a\u4fe1\u53f7\u7ebf\u4e3a\u8d1f\u5411\u4fe1\u53f7(A-)\u3002\u5b83\u53ef\u4ee5\u5b9e\u73b0\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u540c\u65f6\u8fdb\u884c\u53d1\u9001\u548c\u63a5\u6536\u3002RS422\u7684\u9a71\u52a8\u80fd\u529b\u8f83\u5f3a\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe10\u4e2a\u63a5\u6536\u5668\uff0c\u4f20\u8f93\u901f\u7387\u9ad8\u8fbe10Mbps\u3002<\/p>\n\n\n\n

\u3000\u30002. RS485\u7535\u6c14\u7279\u6027\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS485\u4e5f\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u4f46\u5b83\u5141\u8bb8\u591a\u4e2a\u9a71\u52a8\u5668\u548c\u63a5\u6536\u5668\u8fde\u63a5\u5230\u540c\u4e00\u6761\u603b\u7ebf\u4e0a\u3002RS485\u53ef\u4ee5\u5b9e\u73b0\u534a\u53cc\u5de5\u901a\u4fe1\uff0c\u5373\u540c\u4e00\u65f6\u95f4\u53ea\u80fd\u8fdb\u884c\u53d1\u9001\u6216\u63a5\u6536\u3002\u5b83\u7684\u9a71\u52a8\u80fd\u529b\u8f83\u5f3a\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe32\u4e2a\u63a5\u6536\u5668\uff0c\u4f20\u8f93\u901f\u7387\u9ad8\u8fbe10Mbps\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e09\u3001\u4f20\u8f93\u8ddd\u79bb\u7684\u533a\u522b<\/h2>\n\n\n\n

\u3000\u30001. RS422\u4f20\u8f93\u8ddd\u79bb\uff1a<\/h3>\n\n\n\n

\u3000\u3000\u7531\u4e8eRS422\u4f7f\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u56e0\u6b64\u5b83\u9002\u7528\u4e8e\u4e2d\u7b49\u8ddd\u79bb\u7684\u6570\u636e\u4f20\u8f93\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cRS422\u7684\u4f20\u8f93\u8ddd\u79bb\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002<\/p>\n\n\n\n

\u3000\u30002. RS485\u4f20\u8f93\u8ddd\u79bb\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS485\u53ef\u4ee5\u5728\u957f\u8ddd\u79bb\u8303\u56f4\u5185\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u6700\u8fdc\u53ef\u4ee5\u8fbe\u52301200\u7c73\u3002\u8fd9\u4f7f\u5f97RS485\u975e\u5e38\u9002\u7528\u4e8e\u9700\u8981\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u56db\u3001\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u7684\u533a\u522b<\/h2>\n\n\n\n

\u3000\u30001. RS422\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS422\u652f\u6301\u70b9\u5bf9\u70b9\u8fde\u63a5\uff0c\u5373\u4e00\u4e2a\u53d1\u9001\u5668\u8fde\u63a5\u4e00\u4e2a\u63a5\u6536\u5668\u3002\u8fd9\u79cd\u62d3\u6251\u7ed3\u6784\u9002\u7528\u4e8e\u9700\u8981\u4e00\u5bf9\u4e00\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u30002. RS485\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS485\u652f\u6301\u591a\u70b9\u8fde\u63a5\uff0c\u5373\u591a\u4e2a\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u53ef\u4ee5\u8fde\u63a5\u5230\u540c\u4e00\u6761\u603b\u7ebf\u4e0a\u3002\u8fd9\u79cd\u62d3\u6251\u7ed3\u6784\u9002\u7528\u4e8e\u9700\u8981\u4e00\u5bf9\u591a\u901a\u4fe1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u3000\u4e94\u3001\u5e94\u7528\u573a\u666f\u5206\u6790<\/h2>\n\n\n\n

\u3000\u30001. RS422\u5e94\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS422\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u9886\u57df\uff0c\u4f8b\u5982\u63a7\u5236\u7cfb\u7edf\u548c\u5de5\u4e1a\u4eea\u5668\u3002\u5b83\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u7684\u73af\u5883\uff0c\u540c\u65f6\u8981\u6c42\u4f20\u8f93\u8ddd\u79bb\u5728\u4e2d\u7b49\u8303\u56f4\u5185\u7684\u573a\u666f\u3002<\/p>\n\n\n\n

\u3000\u30002. RS485\u5e94\u7528\u573a\u666f\uff1a<\/h3>\n\n\n\n

\u3000\u3000RS485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u81ea\u52a8\u5316\u548c\u5b89\u9632\u7cfb\u7edf\u7b49\u9886\u57df\u3002\u5b83\u9002\u7528\u4e8e\u9700\u8981\u957f\u8ddd\u79bb\u6570\u636e\u4f20\u8f93\u3001\u591a\u70b9\u8fde\u63a5\u548c\u53ef\u9760\u6027\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u76d1\u63a7\u7cfb\u7edf\u4e2d\u7684\u6444\u50cf\u5934\u548c\u63a7\u5236\u4e2d\u5fc3\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n

\u3000\u3000\u516d\u3001\u603b\u7ed3<\/h2>\n\n\n\n

\u3000\u3000RS422\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u7535\u6c14\u7279\u6027\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4e0a\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u3002RS422\u9002\u7528\u4e8e\u4e2d\u7b49\u8ddd\u79bb\u3001\u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800cRS485\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u3001\u591a\u70b9\u8fde\u63a5\u548c\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/strong>\u5728\u9009\u62e9\u9002\u5408\u7684\u534f\u8bae\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u548c\u73af\u5883\u6765\u7efc\u5408\u8003\u8651\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

RS422\u548cRS485\u662f\u5e38\u89c1\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u7535\u6c14\u7279\u6027\u3001\u4f20\u8f93\u8ddd\u79bb\u548c\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u4e0a\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u3002RS422\u9002\u7528\u4e8e\u4e2d\u7b49\u8ddd\u79bb\u3001\u9ad8\u901f\u3001\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\uff0c\u800cRS485\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u3001\u591a\u70b9\u8fde\u63a5\u548c\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\u3002<\/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":[259,61],"class_list":["post-25333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-rs422","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/25333","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=25333"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/25333\/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=25333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=25333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=25333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}