{"id":20926,"date":"2023-10-07T09:15:15","date_gmt":"2023-10-07T01:15:15","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20926"},"modified":"2023-10-07T09:15:15","modified_gmt":"2023-10-07T01:15:15","slug":"rzxgzyl","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20926.html","title":{"rendered":"RS485\u603b\u7ebf\u5de5\u4f5c\u539f\u7406"},"content":{"rendered":"

  RS485\u603b\u7ebf\u662f\u4e00\u79cd\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe128\u4e2a\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u5b83\u80fd\u591f\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u652f\u6301\u6700\u957f1200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u5e76\u4e14\u5177\u6709\u826f\u597d\u7684\u5e72\u6270\u6297\u6027\u548c\u81ea\u52a8\u7ea0\u9519\u529f\u80fd\uff0c\u53ef\u4ee5\u63d0\u4f9b\u8f83\u9ad8\u7684\u53ef\u9760\u6027\uff0c\u4f7f\u5f97\u5b83\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u6d4b\u91cf\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

RS485\u603b\u7ebf\u7684\u7269\u7406\u5c42\u7ed3\u6784<\/h2>\n

  RS485\u603b\u7ebf\u7684\u7269\u7406\u5c42\u7ed3\u6784\u7531\u6570\u636e\u7ebf\u3001\u63a7\u5236\u7ebf\u548c\u7535\u6e90\u7ebf\u7ec4\u6210\uff0c\u5176\u4e2d\u6570\u636e\u7ebf\u7528\u4e8e\u4f20\u8f93\u6570\u636e\uff0c\u63a7\u5236\u7ebf\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\uff0c\u7535\u6e90\u7ebf\u7528\u4e8e\u4f9b\u7535\u3002RS485\u603b\u7ebf\u91c7\u75284\u7ebf\u5236\uff0c\u5373\u4e00\u6839\u6570\u636e\u7ebf\uff08A\uff09\u3001\u4e00\u6839\u6570\u636e\u7ebf\uff08B\uff09\u3001\u4e00\u6839\u63a7\u5236\u7ebf\uff08DE\uff09\u548c\u4e00\u6839\u7535\u6e90\u7ebf\uff08+12V\uff09\u3002<\/p>\n

\u6570\u636e\u7ebf<\/h3>\n

  RS485\u603b\u7ebf\u7684\u6570\u636e\u7ebfA\u548cB\u5206\u522b\u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u4e3a\u00b112V\uff0c\u53d1\u9001\u7aef\u7684A\u7ebf\u7535\u538b\u4e3a+12V\uff0c\u63a5\u6536\u7aef\u7684B\u7ebf\u7535\u538b\u4e3a-12V\uff0c\u4e24\u8005\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8d8a\u5927\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u8d8a\u9ad8\u3002<\/p>\n

\u63a7\u5236\u7ebf<\/h3>\n

  RS485\u603b\u7ebf\u7684\u63a7\u5236\u7ebfDE\u7528\u4e8e\u63a7\u5236\u6570\u636e\u7684\u53d1\u9001\u548c\u63a5\u6536\uff0c\u5f53DE\u7ebf\u7535\u538b\u4e3a\u9ad8\u7535\u5e73\uff08+12V\uff09\u65f6\uff0c\u8868\u793a\u53d1\u9001\u7aef\u6b63\u5728\u53d1\u9001\u6570\u636e\uff0c\u63a5\u6536\u7aef\u5e94\u8be5\u51c6\u5907\u63a5\u6536\u6570\u636e\uff1b\u5f53DE\u7ebf\u7535\u538b\u4e3a\u4f4e\u7535\u5e73\uff080V\uff09\u65f6\uff0c\u8868\u793a\u53d1\u9001\u7aef\u505c\u6b62\u53d1\u9001\u6570\u636e\uff0c\u63a5\u6536\u7aef\u505c\u6b62\u63a5\u6536\u6570\u636e\u3002<\/p>\n

\u7535\u6e90\u7ebf<\/h3>\n

  RS485\u603b\u7ebf\u7684\u7535\u6e90\u7ebf+12V\u7528\u4e8e\u4f9b\u7535\uff0c\u5b83\u7684\u7535\u538b\u7b49\u7ea7\u4e3a+12V\uff0c\u6240\u6709\u8bbe\u5907\u90fd\u8981\u4ece\u8fd9\u6839\u7ebf\u4e0a\u4f9b\u7535\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u8bbe\u5907\u7684\u7535\u538b\u7a33\u5b9a\u3002<\/p>\n

RS485\u603b\u7ebf\u7684\u4f20\u8f93\u539f\u7406<\/h2>\n

  RS485\u603b\u7ebf\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u5373A\u7ebf\u548cB\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u4e3a\u00b112V\uff0c\u53d1\u9001\u7aef\u7684A\u7ebf\u7535\u538b\u4e3a+12V\uff0c\u63a5\u6536\u7aef\u7684B\u7ebf\u7535\u538b\u4e3a-12V\uff0c\u4e24\u8005\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u8d8a\u5927\uff0c\u6570\u636e\u4f20\u8f93\u901f\u7387\u8d8a\u9ad8\u3002<\/p>\n

  RS485\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u523010Mbps\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u8fbe128\u4e2a\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u8fbe1200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u4f7f\u5b83\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u6d4b\u91cf\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  RS485\u603b\u7ebf\u662f\u4e00\u79cd\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u7684\u7269\u7406\u5c42\u7ed3\u6784\u7531\u6570\u636e\u7ebf\u3001\u63a7\u5236\u7ebf\u548c\u7535\u6e90\u7ebf\u7ec4\u6210\uff0c\u5b83\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u652f\u6301\u6700\u9ad810Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u53ef\u4ee5\u652f\u6301\u591a\u8fbe128\u4e2a\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u957f\u8fbe1200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u5177\u6709\u826f\u597d\u7684\u5e72\u6270\u6297\u6027\u548c\u81ea\u52a8\u7ea0\u9519\u529f\u80fd\uff0c\u4f7f\u5f97\u5b83\u5728\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u6d4b\u91cf\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u7b49\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

RS485\u603b\u7ebf\u662f\u4e00\u79cd\u4e32\u884c\u603b\u7ebf\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u8fbe128\u4e2a\u8bbe\u5907\u7684\u8fde\u63a5\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002\u5b83\u80fd\u591f\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u652f\u6301\u6700\u957f1200\u7c73\u7684\u4f20\u8f93\u8ddd\u79bb\uff0c\u5e76\u4e14\u5177\u6709\u826f<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"open","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":[61],"class_list":["post-20926","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20926"}],"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=20926"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20926\/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=20926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}