{"id":46568,"date":"2023-09-28T23:56:49","date_gmt":"2023-09-28T15:56:49","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=46568"},"modified":"2023-09-28T23:56:49","modified_gmt":"2023-09-28T15:56:49","slug":"czxhqb-2","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/46568.html","title":{"rendered":"CAN\u603b\u7ebf\u548c485\u533a\u522b"},"content":{"rendered":"

  CAN\u603b\u7ebf\u548c485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u4f20\u8f93\u901f\u7387\u3001\u8fde\u63a5\u65b9\u5f0f\u3001\u4f20\u8f93\u8ddd\u79bb\u7b49\u65b9\u9762\u90fd\u6709\u660e\u663e\u7684\u5dee\u5f02\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u8bfb\u8005\u80fd\u591f\u6839\u636e\u81ea\u8eab\u7684\u9700\u8981\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n

CAN\u603b\u7ebf<\/h2>\n

  CAN\u603b\u7ebf\uff08Controller Area Network\uff09\u662f\u4e00\u79cd\u4e13\u95e8\u7528\u4e8e\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u7684\u603b\u7ebf\uff0c\u5b83\u5c06\u6c7d\u8f66\u7684\u5404\u4e2a\u63a7\u5236\u5668\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u4ee5\u5b9e\u73b0\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u7684\u6574\u4f53\u63a7\u5236\u3002CAN\u603b\u7ebf\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662fCAN 2.0A\u548cCAN 2.0B\u3002<\/p>\n

  CAN\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387<\/h3>\n

  CAN\u603b\u7ebf\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u52301Mbps\uff0c\u8fd9\u662f\u4e00\u4e2a\u76f8\u5f53\u9ad8\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5927\u591a\u6570\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u7684\u9700\u6c42\u3002<\/p>\n

  CAN\u603b\u7ebf\u7684\u8fde\u63a5\u65b9\u5f0f<\/h3>\n

  CAN\u603b\u7ebf\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u4e0d\u540c\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u6bd4\u5982\u53ef\u4ee5\u4f7f\u7528\u7f51\u7ebf\u8fde\u63a5\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u65e0\u7ebf\u8fde\u63a5\uff0c\u8fd9\u53d6\u51b3\u4e8e\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n

  CAN\u603b\u7ebf\u7684\u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  CAN\u603b\u7ebf\u7684\u4f20\u8f93\u8ddd\u79bb\u53d6\u51b3\u4e8e\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u7684\u5177\u4f53\u9700\u6c42\uff0c\u5982\u679c\u4f7f\u7528\u7f51\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5341\u7c73\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u4f7f\u7528\u65e0\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u767e\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n

485<\/h2>\n

  RS-485\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5de5\u4e1a\u6807\u51c6\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u534f\u8bae\uff0c\u6bd4\u5982MODBUS\u3001Profibus\u7b49\u3002\u5b83\u53ef\u4ee5\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u591a\u53f0\u8bbe\u5907\u4e4b\u95f4\u7684\u8fdc\u7a0b\u901a\u4fe1\u3002<\/p>\n

  485\u7684\u4f20\u8f93\u901f\u7387<\/h3>\n

  485\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u523010Mbps\uff0c\u8fd9\u662f\u4e00\u4e2a\u76f8\u5f53\u9ad8\u7684\u901f\u7387\uff0c\u53ef\u4ee5\u6ee1\u8db3\u5927\u591a\u6570\u5de5\u4e1a\u5e94\u7528\u7684\u9700\u6c42\u3002<\/p>\n

  485\u7684\u8fde\u63a5\u65b9\u5f0f<\/h3>\n

  485\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u4e0d\u540c\u7684\u8fde\u63a5\u65b9\u5f0f\uff0c\u6bd4\u5982\u53ef\u4ee5\u4f7f\u7528\u7f51\u7ebf\u8fde\u63a5\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u65e0\u7ebf\u8fde\u63a5\uff0c\u8fd9\u53d6\u51b3\u4e8e\u5de5\u4e1a\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42\u3002<\/p>\n

  485\u7684\u4f20\u8f93\u8ddd\u79bb<\/h3>\n

  485\u7684\u4f20\u8f93\u8ddd\u79bb\u53d6\u51b3\u4e8e\u5de5\u4e1a\u5e94\u7528\u7684\u5177\u4f53\u9700\u6c42\uff0c\u5982\u679c\u4f7f\u7528\u7f51\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u5341\u7c73\u7684\u8ddd\u79bb\uff0c\u5982\u679c\u4f7f\u7528\u65e0\u7ebf\u8fde\u63a5\uff0c\u53ef\u4ee5\u8fbe\u5230\u51e0\u767e\u7c73\u7684\u8ddd\u79bb\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u4ece\u4e0a\u9762\u7684\u4ecb\u7ecd\u53ef\u4ee5\u770b\u51fa\uff0cCAN\u603b\u7ebf\u548c485\u4e4b\u95f4\u6709\u660e\u663e\u7684\u5dee\u5f02\uff0c\u5b83\u4eec\u5728\u4f20\u8f93\u901f\u7387\u3001\u8fde\u63a5\u65b9\u5f0f\u3001\u4f20\u8f93\u8ddd\u79bb\u7b49\u65b9\u9762\u90fd\u6709\u660e\u663e\u7684\u4e0d\u540c\u3002<\/strong>\u56e0\u6b64\uff0c\u8bfb\u8005\u53ef\u4ee5\u6839\u636e\u81ea\u8eab\u7684\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

CAN\u603b\u7ebf\u548c485\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u4f20\u8f93\u901f\u7387\u3001\u8fde\u63a5\u65b9\u5f0f\u3001\u4f20\u8f93\u8ddd\u79bb\u7b49\u65b9\u9762\u90fd\u6709\u660e\u663e\u7684\u5dee\u5f02\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5b83\u4eec\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u4fbf\u8bfb\u8005\u80fd\u591f\u6839\u636e\u81ea\u8eab\u7684\u9700\u8981\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n","protected":false},"author":1,"featured_media":4132,"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":[212],"class_list":["post-46568","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-ctx"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/46568"}],"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=46568"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/46568\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/4132"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=46568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=46568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=46568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}