{"id":2477,"date":"2023-06-01T21:21:18","date_gmt":"2023-06-01T13:21:18","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=2477"},"modified":"2023-06-01T21:21:38","modified_gmt":"2023-06-01T13:21:38","slug":"cxyhxyqb","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/2477.html","title":{"rendered":"can\u534f\u8bae\u548c485\u534f\u8bae\u533a\u522b?"},"content":{"rendered":"\n<p>\u3000\u3000\u968f\u7740\u73b0\u4ee3\u5de5\u4e1a\u81ea\u52a8\u5316\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u901a\u4fe1\u534f\u8bae\u4e5f\u5e94\u8fd0\u800c\u751f\u3002\u5176\u4e2d\uff0cCAN\u534f\u8bae\u548c485\u534f\u8bae\u662f\u6700\u4e3a\u5e38\u7528\u7684\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\u3002\u672c\u6587\u5c06\u4ece\u5b9a\u4e49\u3001\u7279\u70b9\u3001\u4f18\u7f3a\u70b9\u7b49\u65b9\u9762\u5bf9CAN\u534f\u8bae\u548c485\u534f\u8bae\u8fdb\u884c\u8be6\u7ec6\u6bd4\u8f83\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001\u5b9a\u4e49<\/h2>\n\n\n\n<p>\u3000\u3000CAN(Controller Area Network)\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u603b\u7ebf\uff0c\u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u4e2d\u7684\u6570\u636e\u4ea4\u6362\u3002\u5b83\u5177\u6709\u9ad8\u5ea6\u7684\u53ef\u9760\u6027\u548c\u5b9e\u65f6\u6027\uff0c\u5728\u6c7d\u8f66\u7535\u5b50\u9886\u57df\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000RS-485(Recommended Standard 485)\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u6807\u51c6\uff0c\u4e5f\u79f0\u4e3aEIA-485\u3002\u5b83\u662f\u4e00\u79cd\u591a\u70b9\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001\u7279\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. CAN\u534f\u8bae<\/h3>\n\n\n\n<p>\u3000\u3000<strong>CAN\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>(1)\u9ad8\u901f\u4f20\u8f93\uff1a<\/strong>CAN\u603b\u7ebf\u901f\u7387\u53ef\u8fbe1Mbps\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u53ef\u4ee5\u6ee1\u8db3\u5927\u90e8\u5206\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(2)\u591a\u8bbe\u5907\u8fde\u63a5\uff1a<\/strong>CAN\u603b\u7ebf\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe110\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u552f\u4e00\u7684\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(3)\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff1a<\/strong>\u7531\u4e8e\u91c7\u7528\u4e86\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u6240\u4ee5\u5728\u7535\u78c1\u5e72\u6270\u73af\u5883\u4e0b\u4ecd\u80fd\u4fdd\u8bc1\u6570\u636e\u4f20\u8f93\u7684\u53ef\u9760\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(4)\u652f\u6301\u5b9e\u65f6\u64cd\u4f5c\uff1a<\/strong>CAN\u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1\uff0c\u53ef\u7528\u4e8e\u63a7\u5236\u7cfb\u7edf\u7b49\u9700\u8981\u9ad8\u5b9e\u65f6\u6027\u7684\u573a\u5408\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 485\u534f\u8bae<\/h3>\n\n\n\n<p>\u3000\u3000<strong><a href=\"https:\/\/www.techphant.cn\/tag\/r\" target=\"_blank\" data-type=\"URL\" data-id=\"https:\/\/www.techphant.cn\/tag\/r\" rel=\"noreferrer noopener\">RS-485<\/a>\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>(1)\u591a\u8bbe\u5907\u8fde\u63a5\uff1a<\/strong>RS-485\u603b\u7ebf\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe128\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u552f\u4e00\u7684\u5730\u5740\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(2)\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff1a<\/strong>RS-485\u603b\u7ebf\u53ef\u4ee5\u57281200\u7c73\u8303\u56f4\u5185\u4f20\u8f93\u6570\u636e\uff0c\u9002\u7528\u4e8e\u5927\u578b\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(3)\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff1a<\/strong>RS-485\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(4)\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\uff1a<\/strong>RS-485\u91c7\u7528\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5b9e\u73b0\u53cc\u5411\u6570\u636e\u4f20\u8f93\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001\u4f18\u7f3a\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. CAN\u534f\u8bae<\/h3>\n\n\n\n<p>\u3000\u3000<strong>CAN\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>(1)\u9ad8\u901f\u7a33\u5b9a\uff1a<\/strong>CAN\u603b\u7ebf\u901f\u7387\u9ad8\uff0c\u53ef\u9760\u6027\u5f3a\uff0c\u5728\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u7a33\u5b9a\u6027\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(2)\u591a\u8bbe\u5907\u8fde\u63a5\uff1a<\/strong>CAN\u603b\u7ebf\u53ef\u4ee5\u8fde\u63a5\u591a\u8fbe110\u4e2a\u8bbe\u5907\uff0c\u5e76\u4e14\u6bcf\u4e2a\u8bbe\u5907\u90fd\u6709\u552f\u4e00\u7684\u5730\u5740\uff0c\u53ef\u6ee1\u8db3\u5927\u89c4\u6a21\u63a7\u5236\u7cfb\u7edf\u7684\u9700\u6c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(3)\u4f4e\u6210\u672c\uff1a<\/strong>\u7531\u4e8eCAN\u534f\u8bae\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6c7d\u8f66\u7535\u5b50\u9886\u57df\uff0c\u56e0\u6b64\u786c\u4ef6\u6210\u672c\u76f8\u5bf9\u8f83\u4f4e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4f46\u662f\u4e5f\u5b58\u5728\u4ee5\u4e0b\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000(1)\u4e0d\u652f\u6301\u957f\u8ddd\u79bb\u4f20\u8f93\uff1aCAN\u603b\u7ebf\u7684\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u4e00\u822c\u4e0d\u8d85\u8fc71km\u3002<\/li>\n\n\n\n<li>\u3000\u3000(2)\u4e0d\u652f\u6301\u591a\u4e3b\u673a\uff1aCAN\u603b\u7ebf\u53ea\u80fd\u6709\u4e00\u4e2a\u4e3b\u673a\uff0c\u5176\u4ed6\u8bbe\u5907\u90fd\u662f\u4ece\u673a\u3002<\/li>\n\n\n\n<li>\u3000\u3000(3)\u4e0d\u652f\u6301\u591a\u7ea7\u7f51\u7edc\uff1aCAN\u603b\u7ebf\u4e0d\u80fd\u8fdb\u884c\u591a\u7ea7\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u7684\u5efa\u8bbe\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 485\u534f\u8bae<\/h3>\n\n\n\n<p>\u3000\u3000<strong>RS-485\u534f\u8bae\u5177\u6709\u4ee5\u4e0b\u4f18\u70b9\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>(1)\u8fdc\u8ddd\u79bb\u4f20\u8f93\uff1a<\/strong>RS-485\u603b\u7ebf\u53ef\u4ee5\u57281200\u7c73\u8303\u56f4\u5185\u4f20\u8f93\u6570\u636e\uff0c\u9002\u7528\u4e8e\u5927\u578b\u5de5\u4e1a\u81ea\u52a8\u5316\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(2)\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1aRS-485\u91c7\u7528\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u9002\u7528\u4e8e\u6076\u52a3\u73af\u5883\u4e0b\u7684\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>(3)\u652f\u6301\u591a\u4e3b\u673a\uff1a<\/strong>RS-485\u603b\u7ebf\u53ef\u4ee5\u8fde\u63a5\u591a\u4e2a\u4e3b\u673a\uff0c\u5b9e\u73b0\u5206\u5e03\u5f0f\u63a7\u5236\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u4f46\u662f\u4e5f\u5b58\u5728\u4ee5\u4e0b\u7f3a\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000(1)\u901f\u7387\u8f83\u4f4e\uff1a\u76f8\u5bf9\u4e8eCAN\u603b\u7ebf\u800c\u8a00\uff0cRS-485\u534f\u8bae\u7684\u901f\u7387\u8f83\u4f4e\u3002<\/li>\n\n\n\n<li>\u3000\u3000(2)\u786c\u4ef6\u6210\u672c\u9ad8\uff1a\u7531\u4e8eRS-485\u534f\u8bae\u786c\u4ef6\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\uff0c\u5728\u5c0f\u89c4\u6a21\u5e94\u7528\u4e2d\u53ef\u80fd\u4e0d\u592a\u7ecf\u6d4e\u5b9e\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001\u7ed3\u8bba<\/h2>\n\n\n\n<p>\u3000\u3000<strong>\u7efc\u4e0a\u6240\u8ff0\uff0cCAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u5404\u6709\u4f18\u7f3a\u70b9\u3002\u9009\u62e9\u54ea\u79cd\u901a\u4fe1\u534f\u8bae\u5e94\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\u6765\u786e\u5b9a\u3002\u5982\u679c\u9700\u6c42\u9ad8\u901f\u7a33\u5b9a\u7684\u6570\u636e\u4f20\u8f93\uff0c\u5efa\u8bae\u9009\u62e9CAN\u534f\u8bae;\u5982\u679c\u9700\u8981\u8fdc\u8ddd\u79bb\u4f20\u8f93\u6570\u636e\uff0c\u5efa\u8bae\u9009\u62e9RS-485\u534f\u8bae\u3002<\/strong>\u5f53\u7136\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u7ec4\u5408\u4f7f\u7528\uff0c\u4ee5\u8fbe\u5230\u66f4\u597d\u7684\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u73b0\u4ee3\u5de5\u4e1a\u81ea\u52a8\u5316\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5404\u79cd\u901a\u4fe1\u534f\u8bae\u4e5f\u5e94\u8fd0\u800c\u751f\u3002\u5176\u4e2d\uff0cCAN\u534f\u8bae\u548c485\u534f\u8bae\u662f\u6700\u4e3a\u5e38\u7528\u7684\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\u3002\u672c\u6587\u5c06\u4ece\u5b9a\u4e49\u3001\u7279\u70b9\u3001\u4f18\u7f3a\u70b9\u7b49\u65b9\u9762\u5bf9CAN\u534f\u8bae\u548c485\u534f\u8bae\u8fdb\u884c\u8be6\u7ec6\u6bd4\u8f83\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u4e86\u89e3\u8fd9\u4e24\u79cd\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n","protected":false},"author":1,"featured_media":2124,"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":[61,45],"class_list":["post-2477","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r","tag-txxt"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/2477","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=2477"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/2477\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/2124"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=2477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=2477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=2477"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}