{"id":96854,"date":"2024-08-15T15:07:52","date_gmt":"2024-08-15T07:07:52","guid":{"rendered":"\/\/www.viralrail.com\/?p=96854"},"modified":"2024-08-15T15:07:57","modified_gmt":"2024-08-15T07:07:57","slug":"cxyhxyqb-2","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/96854.html","title":{"rendered":"CAN\u534f\u8bae\u548c485\u534f\u8bae\u533a\u522b"},"content":{"rendered":"\n<p>\u3000\u3000<strong>CAN\u534f\u8bae<\/strong>\u548c<strong>RS-485\u534f\u8bae<\/strong>\u662f\u4e24\u79cd\u5e38\u89c1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u5b83\u4eec\u5728\u6570\u636e\u4f20\u8f93\u901f\u7387\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u5e94\u7528\u573a\u666f\u4ee5\u53ca\u7269\u7406\u7279\u6027\u7b49\u65b9\u9762\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u5bf9\u6bd4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000CAN\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u8f83\u9ad8\uff0c\u53ef\u4ee5\u8fbe\u52301Mbps\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u80fd\u591f\u6ee1\u8db3\u5927\u90e8\u5206\u9700\u6c42\u3002\u6b64\u5916\uff0cCAN\u534f\u8bae\u8fd8\u652f\u6301\u9ad8\u901f\u548c\u4f4e\u901f\u4e24\u79cd\u6a21\u5f0f\uff0c\u4f4e\u901f\u6a21\u5f0f\u4e0b\u751a\u81f3\u53ef\u4ee5\u8fbe\u52305Kbps\uff0c\u5e76\u4e14\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b(\u59825Kbps\u65f6)\u5176\u4f20\u8f93\u8ddd\u79bb\u53ef\u8fbe10\u516c\u91cc\u3002<\/p>\n\n\n\n<p>\u3000\u3000RS-485\u534f\u8bae\u7684\u4f20\u8f93\u901f\u7387\u4e5f\u8f83\u9ad8\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u8fbe\u52302Mbps\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u901a\u5e38\u4f1a\u53d7\u5230\u8d1f\u8f7d\u548c\u8ddd\u79bb\u7684\u9650\u5236\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u5728\u4e0d\u540c\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u6027\u80fd\u6bd4\u8f83<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u4e0d\u540c\u5de5\u4e1a\u5e94\u7528\u4e2d\uff0cCAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u7684\u6027\u80fd\u6bd4\u8f83\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u8fdb\u884c\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u901a\u4fe1\u8ddd\u79bb\u4e0e\u901f\u5ea6<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000RS-485\u7684\u6570\u636e\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u4e3a10Mbps\uff0c\u800cCAN\u7684\u901a\u4fe1\u8ddd\u79bb\u6700\u8fdc\u53ef\u8fbe10KM\uff0c\u901f\u7387\u53ef\u8fbe\u52301Mbps(\u901a\u4fe1\u8ddd\u79bb\u5c0f\u4e8e40M)\u3002\u7136\u800c\uff0c\u6709\u8bc1\u636e\u8868\u660eRS-485\u7684\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u662f1.2KM\uff0cCAN\u603b\u7ebf\u6700\u5927\u4f20\u8f93\u8ddd\u79bb\u662f10KM\u3002\u8fd9\u8868\u660e\u5728\u901a\u4fe1\u8ddd\u79bb\u4e0a\uff0cCAN\u5177\u6709\u660e\u663e\u4f18\u52bf\u3002<\/p>\n\n\n\n<p>\u3000\u3000RS-485\u7684\u4f20\u8f93\u901f\u7387\u4e3a300-10M bps\uff0c\u800cCAN\u7684\u4f20\u8f93\u901f\u7387\u4e3a5K-1M 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class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000RS-485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf\u4e2d\uff0c\u4f8b\u5982PLC\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907\u4ee5\u53ca\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u3002\u5176\u9ad8\u566a\u58f0\u6291\u5236\u80fd\u529b\u548c\u8fdc\u8ddd\u79bb\u901a\u4fe1\u7279\u6027\u4f7f\u5f97RS-485\u6210\u4e3a\u5de5\u4e1a\u73af\u5883\u4e2d\u7684\u7406\u60f3\u9009\u62e9\u3002<\/p>\n\n\n\n<p>\u3000\u3000CAN\u53ef\u7528\u4e8e\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u548c\u5b9e\u65f6\u63a7\u5236\u7cfb\u7edf\uff0c\u5982\u667a\u6167\u5de5\u5382\u4e2d\u7684\u751f\u4ea7\u7ebf\u76d1\u63a7;\u800cRS-485\u5219\u9002\u7528\u4e8e\u957f\u8ddd\u79bb\u4f4e\u901f\u6570\u636e\u4f20\u8f93\u573a\u666f\uff0c\u5982\u4ea4\u901a\u4fe1\u53f7\u706f\u6545\u969c\u68c0\u6d4b\u3002<\/p>\n\n\n\n<p>\u3000\u3000CAN\u534f\u8bae\u5728\u901a\u4fe1\u8ddd\u79bb\u3001\u901a\u4fe1\u65b9\u5f0f\u3001\u7075\u6d3b\u6027\u3001\u53ef\u9760\u6027\u548c\u5b9e\u65f6\u6027\u65b9\u9762\u901a\u5e38\u4f18\u4e8eRS-485\u534f\u8bae\uff0c\u4f46\u5728\u67d0\u4e9b\u7279\u5b9a\u7684\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u5e94\u7528\u573a\u666f\u4e2d\uff0cRS-485\u53ef\u80fd\u4ecd\u6709\u5176\u4f18\u52bf\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u7684\u80fd\u8017\u5bf9\u6bd4\u5982\u4f55?<\/h2>\n\n\n\n<p>\u3000\u3000RS-485\u534f\u8bae\u5728\u80fd\u8017\u65b9\u9762\u5177\u6709\u663e\u8457\u4f18\u52bf\u3002\u63d0\u5230TI\u7684RS-485\u6536\u53d1\u5668\u8bbe\u8ba1\u4e13\u95e8\u9488\u5bf9\u80fd\u91cf\u8ba1\u5e94\u7528\u800c\u4f18\u5316\uff0c\u5177\u6709\u4f4e\u529f\u8017(1\/8 UL)\u7279\u6027\u3002\u8fdb\u4e00\u6b65\u8bf4\u660e\u4e86\u57fa\u4e8eRS485\u603b\u7ebf\u7684\u8bbe\u5907\u80fd\u8017\u53c2\u6570\u91c7\u96c6\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u5e94\u7528\uff0c\u5f3a\u8c03\u4e86RS-485\u5728\u80fd\u8017\u76d1\u6d4b\u548c\u7ba1\u7406\u4e2d\u7684\u4f5c\u7528\u3002\u5219\u63d0\u5230\u4e86RS485\u63a5\u7ebf\u65b9\u6848\u5728\u8fdc\u7a0b\u6284\u8868\u548c\u80fd\u8017\u7ba1\u7406\u5e73\u53f0\u4e2d\u7684\u5e94\u7528\uff0c\u8282\u7701\u4e86\u5927\u91cf\u7684\u4eba\u529b\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u7136\u800c\uff0c\u5173\u4e8eCAN\u534f\u8bae\u7684\u80fd\u8017\u4fe1\u606f\u5728\u63d0\u4f9b\u7684\u641c\u7d22\u7ed3\u679c\u4e2d\u5e76\u4e0d\u660e\u786e\u3002\u63d0\u5230\u4e86CAN-bus\u667a\u80fd\u8f6c\u6362\u5668\u7684\u529f\u8017\u4f4e\u4e8e2W\uff0c\u4f46\u8fd9\u5e76\u4e0d\u76f4\u63a5\u5bf9\u6bd4CAN\u534f\u8bae\u4e0eRS-485\u534f\u8bae\u7684\u80fd\u8017\u3002\u56e0\u6b64\uff0c\u4ece\u7ed9\u5b9a\u7684\u641c\u7d22\u7ed3\u679c\u6765\u770b\uff0cRS-485\u534f\u8bae\u5728\u80fd\u8017\u65b9\u9762\u8868\u73b0\u51fa\u4e86\u5176\u4f18\u52bf\uff0c\u5c24\u5176\u662f\u5728\u4f4e\u529f\u8017\u548c\u9ad8\u6548\u80fd\u8017\u7ba1\u7406\u65b9\u9762\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u7684\u517c\u5bb9\u6027\u548c\u6269\u5c55\u6027\u6709\u54ea\u4e9b\u5177\u4f53\u6848\u4f8b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cCAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u7684\u517c\u5bb9\u6027\u548c\u6269\u5c55\u6027\u5177\u4f53\u6848\u4f8b\u53ef\u4ee5\u4ece\u641c\u7d22\u7ed3\u679c\u4e2d\u627e\u5230\u4ee5\u4e0b\u8bc1\u636e\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u517c\u5bb9\u6027\u6848\u4f8b<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u63d0\u5230\u4e86ECAN-101\u667a\u80fd\u534f\u8bae\u8f6c\u6362\u5668\uff0c\u8fd9\u662f\u4e00\u6b3e\u53ef\u4ee5\u5b9e\u73b0CAN2.0\u534f\u8bae\u4e0eRS485\u4e32\u53e3\u4e0d\u540c\u534f\u8bae\u6570\u636e\u4e4b\u95f4\u53cc\u5411\u8f6c\u6362\u7684\u4ea7\u54c1\u3002\u8fd9\u8868\u660e\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528\u7279\u5b9a\u7684\u8f6c\u6362\u8bbe\u5907\uff0cCAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0\u4e00\u5b9a\u7a0b\u5ea6\u7684\u517c\u5bb9\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u6269\u5c55\u6027\u6848\u4f8b<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u63cf\u8ff0\u4e86\u652f\u6301CAN\u73b0\u573a\u603b\u7ebf\u7684\u5de5\u4e1a\u5e73\u677f\u7535\u8111\uff0c\u5176\u4e2d\u63d0\u5230\u8be5\u8bbe\u5907\u5177\u6709\u53ef\u6269\u5c55\u7684\u89c6\u9891\u76d1\u63a7\u548c\u7b2c\u4e09\u4e2a\u4e32\u53e3(RS485)\u3002\u8fd9\u8bf4\u660e\u5728\u5de5\u4e1a\u63a7\u5236\u9886\u57df\uff0c\u901a\u8fc7\u8bbe\u8ba1\u652f\u6301\u591a\u79cd\u901a\u4fe1\u534f\u8bae\u7684\u8bbe\u5907\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5bf9CAN\u548cRS-485\u534f\u8bae\u7684\u6269\u5c55\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4e2d\u63d0\u5230\uff0c\u73b0\u573a\u603b\u7ebfCAN-bus\u53ef\u4ee5\u5b8c\u5168\u53d6\u4ee3RS-485\u7f51\u7edc\uff0c\u5e76\u4e14\u53ef\u4ee5\u76f4\u63a5\u91c7\u7528\u4e0eRS-485\u76f8\u540c\u7684\u4f20\u8f93\u7535\u7f06\u548c\u62d3\u6251\u7ed3\u6784\u3002\u8fd9\u8868\u660e\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cCAN-bus\u53ef\u4ee5\u4f5c\u4e3aRS-485\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u540c\u65f6\u4fdd\u6301\u7cfb\u7edf\u7684\u517c\u5bb9\u6027\u548c\u6269\u5c55\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u5728\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u4e0a\u6709\u4f55\u4e0d\u540c?<\/h2>\n\n\n\n<p>\u3000\u3000CAN\u534f\u8bae\u548cRS-485\u534f\u8bae\u5728\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u4e0a\u6709\u663e\u8457\u7684\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u9996\u5148\uff0cCAN\u534f\u8bae\u5728\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u4e2d\u7684\u5e94\u7528\u975e\u5e38\u5e7f\u6cdb\uff0c\u5e76\u4e14\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u66f4\u65b0\u6362\u4ee3\uff0c\u5176\u5728\u672a\u6765\u4ecd\u5c06\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002CAN\u534f\u8bae\u4ee5\u5176\u5b9e\u65f6\u3001\u7a33\u5b9a\u3001\u53ef\u9760\u548c\u4f4e\u6210\u672c\u7684\u7279\u70b9\uff0c\u5728\u8f66\u8f7d\u7f51\u7edc\u4e2d\u5360\u636e\u91cd\u8981\u5730\u4f4d\uff0c\u5e76\u4e14\u9884\u8ba1\u5c06\u7ee7\u7eed\u5728\u8fd9\u4e00\u9886\u57df\u53d1\u6325\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5176\u6b21\uff0cRS-485\u534f\u8bae\u5219\u5728\u5de5\u4e1a\u63a7\u5236\u548c\u7269\u8054\u7f51\u9886\u57df\u5177\u6709\u5e7f\u9614\u7684\u53d1\u5c55\u524d\u666f\u3002\u968f\u7740\u5de5\u4e1a\u548c\u7269\u8054\u7f51\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0cRS-485\u603b\u7ebf\u6807\u51c6\u4ecd\u7136\u5177\u6709\u5f88\u5927\u7684\u6f5c\u529b\uff0c\u5e76\u5c06\u5728\u8fd9\u4e9b\u9886\u57df\u7ee7\u7eed\u6269\u5c55\u5176\u5e94\u7528\u3002\u6b64\u5916\uff0cRS-485\u534f\u8bae\u56e0\u5176\u7075\u6d3b\u6027\u548c\u53ef\u9760\u6027\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u8fdc\u7a0b\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000CAN\u534f\u8bae\u5728\u672a\u6765\u4e3b\u8981\u96c6\u4e2d\u5728\u6c7d\u8f66\u7535\u5b50\u7cfb\u7edf\u548c\u8f66\u8f7d\u7f51\u7edc\u7684\u5e94\u7528\u4e0a\uff0c\u800cRS-485\u534f\u8bae\u5219\u66f4\u591a\u5730\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u7269\u8054\u7f51\u9886\u57df\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u516d\u3001 \u5982\u4f55\u6839\u636e\u7279\u5b9a\u73af\u5883\u6761\u4ef6\u9009\u62e9\u4f7f\u7528CAN\u534f\u8bae\u8fd8\u662fRS-485\u534f\u8bae?<\/h2>\n\n\n\n<p>\u3000\u3000\u9009\u62e9\u4f7f\u7528CAN\u534f\u8bae\u8fd8\u662fRS-485\u534f\u8bae\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u7279\u5b9a\u73af\u5883\u6761\u4ef6\u548c\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u57fa\u4e8e\u641c\u7d22\u7ed3\u679c\u7684\u5206\u6790\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>RS-485\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1aRS-485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u3001\u81ea\u52a8\u5316\u7cfb\u7edf\u3001\u73af\u5883\u76d1\u63a7\u7cfb\u7edf\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f18\u52bf<\/strong>\uff1aRS-485\u5177\u6709\u9ad8\u901f\u4f20\u8f93\u80fd\u529b(\u901a\u5e38\u8fbe\u523010Mbps\u4ee5\u4e0a)\uff0c\u957f\u8ddd\u79bb\u901a\u4fe1\u80fd\u529b\uff0c\u6297\u5e72\u6270\u80fd\u529b\u5f3a\uff0c\u6210\u672c\u4f4e\u5ec9\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u9700\u8981\u652f\u6301\u591a\u4e2a\u8bbe\u5907\u5728\u540c\u4e00\u603b\u7ebf\u4e0a\u8fdb\u884c\u901a\u8baf\uff0c\u4e14\u5bf9\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u548c\u53ef\u9760\u6027\u6709\u8f83\u9ad8\u8981\u6c42\u65f6\uff0cRS-485\u662f\u9996\u9009\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>CAN\u534f\u8bae<\/strong>\uff1a<\/h3>\n\n\n\n<ul 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