{"id":65884,"date":"2023-11-24T17:06:49","date_gmt":"2023-11-24T09:06:49","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=65884"},"modified":"2023-11-24T17:06:53","modified_gmt":"2023-11-24T09:06:53","slug":"dgsbygckfwqkymzmjx","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/65884.html","title":{"rendered":"\u591a\u4e2a485\u8bbe\u5907\u75281\u4e2a\u4e32\u53e3\u670d\u52a1\u5668\u53ef\u4ee5\u5417\uff1f\u600e\u4e48\u63a5\u7ebf\uff1f"},"content":{"rendered":"\n

\u3000\u3000\u5728\u8bb8\u591a\u5de5\u4e1a\u9886\u57df\uff0c485\u603b\u7ebf\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3002\u7136\u800c\uff0c\u5f53\u6211\u4eec\u9700\u8981\u8fdc\u7a0b\u8bbf\u95ee\u8fd9\u4e9b\u8bbe\u5907\u65f6\uff0c\u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u53ef\u4ee5\u63d0\u4f9b\u4fbf\u5229\u548c\u7075\u6d3b\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907<\/strong>\uff0c\u5e76\u4ecb\u7ecd\u9002\u5f53\u7684\u63a5\u7ebf\u65b9\u6cd5\u3002<\/p>\n\n\n\n

\u3000\u30001. \u4e32\u53e3\u670d\u52a1\u5668\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u3000\u4e32\u53e3\u670d\u52a1\u5668\u662f\u4e00\u79cd\u7f51\u7edc\u8bbe\u5907\uff0c\u53ef\u5c06\u4e32\u53e3\u901a\u4fe1\u8f6c\u6362\u4e3a\u7f51\u7edc\u901a\u4fe1\u3002\u5b83\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u7f51\u7edc\u8fde\u63a5\u5230\u8fdc\u7a0b\u8bbe\u5907\uff0c\u5e76\u901a\u8fc7\u8fdc\u7a0b\u7ec8\u7aef\u6216\u865a\u62df\u4e32\u53e3\u8bbf\u95ee\u8fd9\u4e9b\u8bbe\u5907\u3002\u4e32\u53e3\u670d\u52a1\u5668\u901a\u5e38\u5177\u6709\u591a\u4e2a\u4e32\u53e3\u63a5\u53e3\uff0c\u53ef\u4ee5\u540c\u65f6\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3002<\/p>\n\n\n\n

\u3000\u30002. 485\u603b\u7ebf\u7b80\u4ecb<\/h2>\n\n\n\n

\u3000\u3000485\u603b\u7ebf\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae\uff0c\u7528\u4e8e\u5728\u5de5\u4e1a\u73af\u5883\u4e2d\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u3002\u5b83\u5177\u6709\u9ad8\u566a\u58f0\u6291\u5236\u80fd\u529b\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u63a7\u5236\u7cfb\u7edf\u3002485\u603b\u7ebf\u652f\u6301\u591a\u4e3b\u8bbe\u5907\u548c\u591a\u4ece\u8bbe\u5907\u7684\u901a\u4fe1\u3002<\/p>\n\n\n\n

\u3000\u30003. \u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907\u7684\u63a5\u7ebf\u65b9\u6cd5<\/h2>\n\n\n\n

\u3000\u3000\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u786e\u5b9a\u6240\u4f7f\u7528\u7684\u4e32\u53e3\u670d\u52a1\u5668\u7684\u63a5\u53e3\u7c7b\u578b\u3002\u5927\u591a\u6570\u4e32\u53e3\u670d\u52a1\u5668\u5177\u6709RS-232\u548cRS-485\u63a5\u53e3\u3002\u5728\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907\u65f6\uff0c\u6211\u4eec\u5e94\u9009\u62e9RS-485\u63a5\u53e3\u3002<\/p>\n\n\n\n

\u3000\u3000\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3485\u603b\u7ebf\u7684\u7269\u7406\u8fde\u63a5\u65b9\u5f0f\u3002485\u603b\u7ebf\u4f7f\u7528\u4e24\u6839\u4f20\u8f93\u7ebf(A\u7ebf\u548cB\u7ebf)\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u4ee5\u53ca\u4e00\u4e2a\u5730\u7ebf(GND)\u8fdb\u884c\u4fe1\u53f7\u53c2\u8003\u3002\u5728\u63a5\u7ebf\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5c06\u4e32\u53e3\u670d\u52a1\u5668\u7684RS-485\u63a5\u53e3\u7684A\u7ebf\u8fde\u63a5\u5230485\u603b\u7ebf\u7684A\u7ebf\u4e0a\uff0c\u5c06B\u7ebf\u8fde\u63a5\u5230485\u603b\u7ebf\u7684B\u7ebf\u4e0a\uff0c\u5e76\u5c06\u5730\u7ebf\u8fde\u63a5\u5230485\u603b\u7ebf\u7684GND\u4e0a\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528485\u603b\u7ebf\u7684\u5206\u652f\u5668\u6216\u8005\u8f6c\u63a5\u5668\u3002\u5206\u652f\u5668\u5141\u8bb8\u6211\u4eec\u5c06\u591a\u4e2a\u8bbe\u5907\u8fde\u63a5\u5230\u540c\u4e00\u6761485\u603b\u7ebf\u4e0a\uff0c\u800c\u8f6c\u63a5\u5668\u5219\u5141\u8bb8\u6211\u4eec\u5c06485\u603b\u7ebf\u8f6c\u6362\u4e3a\u5176\u4ed6\u7c7b\u578b\u7684\u63a5\u53e3\uff0c\u5982USB\u6216\u4ee5\u592a\u7f51\u3002<\/p>\n\n\n\n

\u3000\u30004. \u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8bbf\u95ee\u591a\u4e2a485\u8bbe\u5907<\/h2>\n\n\n\n

\u3000\u3000\u4e00\u65e6\u6211\u4eec\u5b8c\u6210\u4e86\u63a5\u7ebf\u8fc7\u7a0b\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8bbf\u95ee\u591a\u4e2a485\u8bbe\u5907\u4e86\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u914d\u7f6e\u4e32\u53e3\u670d\u52a1\u5668\u7684\u7f51\u7edc\u8bbe\u7f6e\uff0c\u786e\u4fdd\u5b83\u4e0e\u672c\u5730\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3002\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8fdc\u7a0b\u7ec8\u7aef\u8f6f\u4ef6\u6216\u8005\u865a\u62df\u4e32\u53e3\u8f6f\u4ef6\u8fde\u63a5\u5230\u4e32\u53e3\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u3000\u3000\u5728\u8fde\u63a5\u5230\u4e32\u53e3\u670d\u52a1\u5668\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u4e32\u53e3\u6570\u636e\u6765\u4e0e\u591a\u4e2a485\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u754c\u9762\u6216\u8005\u56fe\u5f62\u5316\u754c\u9762\u6765\u53d1\u9001\u6307\u4ee4\uff0c\u5e76\u63a5\u6536\u8bbe\u5907\u8fd4\u56de\u7684\u6570\u636e\u3002<\/p>\n\n\n\n

\u3000\u30005. \u603b\u7ed3<\/h2>\n\n\n\n

\u3000\u3000\u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907\u53ef\u4ee5\u63d0\u4f9b\u4fbf\u5229\u548c\u7075\u6d3b\u6027\u3002\u901a\u8fc7\u6b63\u786e\u7684\u63a5\u7ebf\u65b9\u6cd5\u548c\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdc\u7a0b\u8bbf\u95ee\u591a\u4e2a485\u8bbe\u5907\uff0c\u5e76\u4e0e\u5176\u8fdb\u884c\u901a\u4fe1\u3002<\/strong>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u5e94\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u4e32\u53e3\u670d\u52a1\u5668\u548c\u63a5\u7ebf\u65b9\u5f0f\uff0c\u4ee5\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4f7f\u7528\u4e32\u53e3\u670d\u52a1\u5668\u8fde\u63a5\u591a\u4e2a485\u8bbe\u5907\u53ef\u4ee5\u63d0\u4f9b\u4fbf\u5229\u548c\u7075\u6d3b\u6027\u3002\u901a\u8fc7\u6b63\u786e\u7684\u63a5\u7ebf\u65b9\u6cd5\u548c\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdc\u7a0b\u8bbf\u95ee\u591a\u4e2a485\u8bbe\u5907\uff0c\u5e76\u4e0e\u5176\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n","protected":false},"author":1,"featured_media":64231,"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":[61,67],"class_list":["post-65884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r","tag-ckfwq"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/65884","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=65884"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/65884\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/64231"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=65884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=65884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=65884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}