{"id":99432,"date":"2024-11-21T16:40:08","date_gmt":"2024-11-21T08:40:08","guid":{"rendered":"\/\/www.viralrail.com\/?p=99432"},"modified":"2024-11-21T16:40:12","modified_gmt":"2024-11-21T08:40:12","slug":"rxssmx-3","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99432.html","title":{"rendered":"RS485\u7ebf\u662f\u4ec0\u4e48\u7ebf"},"content":{"rendered":"\n<p>\u3000\u3000<strong>RS485\u7ebf<\/strong>\u662f\u4e00\u79cd\u7528\u4e8e\u591a\u70b9\u901a\u4fe1\u7684\u53cc\u7ede\u7ebf\u7535\u7f06\uff0c\u901a\u5e38\u7528\u4e8e\u5de5\u4e1a\u63a7\u5236\u548c\u6570\u636e\u4f20\u8f93\u3002RS485\u901a\u4fe1\u7ebf\u91c7\u7528\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\uff0c\u5373\u901a\u8fc7\u4e24\u6839\u7ebf\u4e4b\u95f4\u7684\u7535\u538b\u5dee\u6765\u4f20\u9012\u6570\u636e\uff0c\u8fd9\u4e24\u6839\u7ebf\u901a\u5e38\u6807\u8bb0\u4e3aA\u548cB\u6216D+\u548cD-\u3002RS485\u652f\u6301\u534a\u53cc\u5de5\u901a\u4fe1\u6a21\u5f0f\uff0c\u5141\u8bb8\u5728\u4e00\u4e2a\u603b\u7ebf\u4e0a\u8fde\u63a5\u591a\u4e2a\u8bbe\u5907\uff0c\u901a\u5e38\u4f7f\u7528\u83ca\u82b1\u94fe\u5f0f\u8fde\u63a5\u65b9\u5f0f\uff0c\u5e76\u4e14\u5728\u603b\u7ebf\u672b\u7aef\u9700\u8981\u63a5\u5165120\u03a9\u7684\u7ec8\u7aef\u7535\u963b\u4ee5\u786e\u4fdd\u4fe1\u53f7\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p>\u3000\u3000RS485\u7535\u7f06\u53ef\u4ee5\u662f\u666e\u901a\u7684\u53cc\u7ede\u7ebf\uff0c\u4e5f\u53ef\u4ee5\u662f\u5e26\u5c4f\u853d\u5c42\u7684\u53cc\u7ede\u7ebf\uff0c\u540e\u8005\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\u66f4\u4e3a\u9002\u7528\u3002RS485\u7684\u4f20\u8f93\u8ddd\u79bb\u7406\u8bba\u4e0a\u53ef\u4ee5\u8fbe\u52301200\u7c73\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u4f1a\u53d7\u5230\u6ce2\u7279\u7387\u3001\u7535\u7f06\u7c7b\u578b\u548c\u73af\u5883\u5e72\u6270\u7b49\u56e0\u7d20\u7684\u5f71\u54cd\u3002\u6b64\u5916\uff0cRS485\u652f\u6301\u7684\u6570\u636e\u901f\u7387\u8303\u56f4\u8f83\u5e7f\uff0c\u4ece\u51e0\u767e\u5230\u51e0\u767e\u4e07\u6bd4\u7279\u6bcf\u79d2\u4e0d\u7b49\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u573a\u666f\u548c\u6280\u672f\u89c4\u683c\u3002<\/p>\n\n\n\n<p>\u3000\u3000RS485\u7ebf\u662f\u4e00\u79cd\u9002\u7528\u4e8e\u8fdc\u8ddd\u79bb\u3001\u591a\u70b9\u901a\u4fe1\u7684\u53cc\u7ede\u7ebf\u7535\u7f06\uff0c\u5177\u6709\u8f83\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\u548c\u8f83\u9ad8\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u73af\u5883\u76d1\u6d4b\u7b49\u9886\u57df\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 RS485\u7ebf\u5728\u4e0d\u540c\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u5177\u4f53\u4f7f\u7528\u6848\u4f8b<\/h2>\n\n\n\n<p>\u3000\u3000RS485\u7ebf\u5728\u4e0d\u540c\u5de5\u4e1a\u5e94\u7528\u4e2d\u7684\u5177\u4f53\u4f7f\u7528\u6848\u4f8b\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907<\/strong>\uff1aRS485\u5e38\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u8bbe\u5907\u4e2d\uff0c\u4f8b\u5982\u673a\u5668\u4eba\u8bbe\u5907\u548c\u4f3a\u670d\u7535\u52a8\u8d77\u5b50\u3002\u8fd9\u4e9b\u8bbe\u5907\u901a\u8fc7RS485\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u5b9e\u73b0\u7cbe\u786e\u63a7\u5236\u548c\u76d1\u63a7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fc7\u7a0b\u63a7\u5236\u7f51\u7edc<\/strong>\uff1aRS485\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fc7\u7a0b\u63a7\u5236\u7f51\u7edc\u4e2d\uff0c\u7528\u4e8e\u8fde\u63a5\u5404\u79cd\u4f20\u611f\u5668\u3001\u6267\u884c\u5668\u548c\u76d1\u63a7\u8bbe\u5907\uff0c\u4ee5\u5b9e\u73b0\u5de5\u4e1a\u751f\u4ea7\u7ebf\u7684\u81ea\u52a8\u5316\u63a7\u5236\u548c\u76d1\u63a7\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u77ff\u4e95\u4f5c\u4e1a\u5b89\u5168\u76d1\u63a7\u7cfb\u7edf<\/strong>\uff1a\u5728\u77ff\u4e95\u4f5c\u4e1a\u4e2d\uff0cRS485\u603b\u7ebf\u88ab\u7528\u4e8e\u5b89\u5168\u76d1\u63a7\u7cfb\u7edf\uff0c\u786e\u4fdd\u77ff\u4e95\u4f5c\u4e1a\u7684\u5b89\u5168\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5927\u68da\u6e29\u5ba4\u63a7\u5236\u7cfb\u7edf<\/strong>\uff1aRS485\u4e5f\u88ab\u5e94\u7528\u4e8e\u5927\u68da\u6e29\u5ba4\u63a7\u5236\u7cfb\u7edf\uff0c\u7528\u4e8e\u76d1\u6d4b\u548c\u8c03\u8282\u6e29\u5ba4\u5185\u7684\u73af\u5883\u6761\u4ef6\uff0c\u5982\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u697c\u5b87\u81ea\u52a8\u5316<\/strong>\uff1aRS485\u5728\u697c\u5b87\u81ea\u52a8\u5316\u9886\u57df\u6709\u5e7f\u6cdb\u5e94\u7528\uff0c\u5305\u62ec\u6696\u901a\u7a7a\u8c03(HVAC)\u7cfb\u7edf\u548c\u4fdd\u5b89\u7cfb\u7edf\u3002\u5b83\u652f\u6301\u8fdc\u8ddd\u79bb\u4f20\u8f93\u548c\u53cc\u5411\u4fe1\u53f7\u5dee\u5206\u4f20\u8f93\uff0c\u63d0\u9ad8\u4fe1\u53f7\u7684\u7a33\u5b9a\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7535\u673a\u63a7\u5236\u548c\u8fd0\u52a8\u63a7\u5236<\/strong>\uff1aRS485\u7528\u4e8e\u7535\u673a\u63a7\u5236\u548c\u8fd0\u52a8\u63a7\u5236\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u9ad8\u901f\u3001\u4f4e\u529f\u8017\u548c\u9ad8\u53ef\u9760\u6027\u7684\u573a\u5408\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u667a\u80fd\u7535\u7f51\u548c\u53ef\u518d\u751f\u80fd\u6e90<\/strong>\uff1aRS485\u5728\u667a\u80fd\u7535\u7f51\u548c\u53ef\u518d\u751f\u80fd\u6e90\u9886\u57df\u4e5f\u6709\u5e94\u7528\uff0c\u4f8b\u5982\u7535\u80fd\u8868\u3001\u7535\u7f51\u4fdd\u62a4\u7ee7\u7535\u5668\u548c\u5149\u4f0f\u9006\u53d8\u5668\u7b49\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8fdc\u7a0b\u7ec8\u7aef<\/strong>\uff1aRS485\u7528\u4e8e\u8fdc\u7a0b\u7ec8\u7aef\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u652f\u6301\u591a\u70b9\u901a\u4fe1\u548c\u70ed\u63d2\u62d4\u529f\u80fd\uff0c\u4fbf\u4e8e\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 RS485\u7ebf\u7684\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u539f\u7406\u53ca\u5176\u4f18\u52bf<\/h2>\n\n\n\n<p>\u3000\u3000RS485\u7ebf\u7684\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u539f\u7406\u53ca\u5176\u4f18\u52bf\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. 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class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6297\u7535\u78c1\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1a\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u7684\u4e00\u4e2a\u4e3b\u8981\u4f18\u52bf\u662f\u5176\u5728\u7535\u78c1\u5e72\u6270\u4e0b\u7684\u6297\u5e72\u6270\u80fd\u529b\u3002\u7531\u4e8e\u5dee\u5206\u4fe1\u53f7\u662f\u901a\u8fc7\u4e24\u6839\u7ebf\u4f20\u8f93\u76f8\u5bf9\u4e92\u8865\u7684\u4fe1\u53f7\u6765\u8fdb\u884c\u901a\u4fe1\uff0c\u4e00\u6839\u7ebf\u4f20\u8f93\u6b63\u903b\u8f91\u4fe1\u53f7\uff0c\u53e6\u4e00\u6839\u7ebf\u4f20\u8f93\u5176\u53cd\u903b\u8f91\u4fe1\u53f7\uff0c\u56e0\u6b64\u53ef\u4ee5\u6709\u6548\u62b5\u6297\u5916\u90e8\u7535\u78c1\u5e72\u6270\u3002\u5982\u679c\u7ebf\u8def\u4e2d\u5f15\u5165\u566a\u58f0\uff0c\u5b83\u4f1a\u540c\u65f6\u4f5c\u7528\u4e8e\u4e24\u6761\u7ebf\uff0c\u5bfc\u81f4A\u548cB\u7aef\u4e4b\u95f4\u7684\u529f\u7387\u5dee\u51e0\u4e4e\u4e3a\u96f6\uff0c\u4ece\u800c\u6d88\u9664\u5e72\u6270\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b<\/strong>\uff1aRS485\u53ef\u4ee5\u5b9e\u73b0\u8f83\u957f\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u901a\u5e38\u53ef\u8fbe1\u516c\u91cc\uff0c\u5e76\u4e14\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10 Mbps\u3002\u8fd9\u662f\u56e0\u4e3a\u5dee\u5206\u4fe1\u53f7\u4f20\u8f93\u65b9\u5f0f\u80fd\u591f\u51cf\u5c11\u4fe1\u53f7\u8870\u51cf\u548c\u53cd\u5c04\uff0c\u4ece\u800c\u4fdd\u6301\u4fe1\u53f7\u7684\u5b8c\u6574\u6027\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u70b9\u901a\u4fe1\u80fd\u529b<\/strong>\uff1aRS485\u662f\u4e00\u79cd\u591a\u70b9\u901a\u4fe1\u6807\u51c6\uff0c\u5141\u8bb8\u901a\u8fc7\u7b80\u5355\u7684\u4ea4\u53c9\u7ebf\u7f06\u8fde\u63a5\u6700\u591a32\u4e2a\u8bbe\u5907\u3002\u6839\u636e\u6536\u53d1\u5668\u7684\u4e0d\u540c\uff0c\u53ef\u4ee5\u8fde\u63a5\u8d85\u8fc7200\u4e2a\u8bbe\u5907\u3002\u8fd9\u79cd\u591a\u70b9\u901a\u4fe1\u80fd\u529b\u4f7f\u5f97RS485\u975e\u5e38\u9002\u5408\u4e8e\u9700\u8981\u591a\u4e2a\u8282\u70b9\u8fdb\u884c\u901a\u4fe1\u7684\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5ffd\u7565\u5730\u7535\u4f4d\u5dee\u5f02<\/strong>\uff1a\u5dee\u5206\u4f20\u8f93\u65b9\u5f0f\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5ffd\u7565\u4e0d\u540c\u7684\u5730\u7535\u4f4d\u3002\u8fd9\u610f\u5473\u7740\u5373\u4f7f\u8bbe\u5907\u7684\u5730\u7535\u4f4d\u4e0d\u540c\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u4fe1\u53f7\u7684\u4f20\u8f93\u8d28\u91cf\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u7a7f\u8d8a\u957f\u8ddd\u79bb\u6216\u6709\u4e0d\u540c\u7535\u6e90\u6765\u6e90\u7684\u7cfb\u7edf\u5c24\u4e3a\u91cd\u8981\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7b80\u5316\u7269\u7406\u8fde\u63a5<\/strong>\uff1a\u5728\u5dee\u5206\u8fde\u63a5\u4e2d\uff0c\u4e0d\u9700\u8981\u50cf\u901a\u5e38\u8fde\u63a5\u4e24\u4e2a\u4e0d\u540c\u8bbe\u5907\u4e4b\u95f4\u7684\u4fe1\u53f7\u65f6\u90a3\u6837\u5c06\u8bbe\u5907\u7684\u516c\u5171\u63a5\u5730\u53c2\u8003\u8fde\u63a5\u5230\u5176\u4ed6\u8bbe\u5907\u7684\u63a5\u5730\u3002\u4e8b\u5b9e\u4e0a\uff0c\u5728\u5dee\u5206\u4fe1\u53f7\u7684\u60c5\u51b5\u4e0b\uff0cA\u6216B\u7535\u538b\u76f8\u5bf9\u4e8e\u63a5\u5730\u7684\u5173\u7cfb\u5e76\u4e0d\u91cd\u8981\uff0c\u91cd\u8981\u7684\u662fA\u548cB\u4e4b\u95f4\u7684\u76f8\u5bf9\u5dee\u5f02\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 \u5982\u4f55\u6b63\u786e\u5b89\u88c5\u548c\u914d\u7f6eRS485\u7ebf\u4ee5\u786e\u4fdd\u6700\u4f73\u901a\u4fe1\u6027\u80fd?<\/h2>\n\n\n\n<p>\u3000\u3000\u4e3a\u4e86\u786e\u4fddRS485\u7ebf\u7684\u6b63\u786e\u5b89\u88c5\u548c\u914d\u7f6e\u4ee5\u8fbe\u5230\u6700\u4f73\u901a\u4fe1\u6027\u80fd\uff0c\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u4f7f\u7528\u5c4f\u853d\u53cc\u7ede\u7ebf<\/strong>\uff1a\u9009\u62e9\u4e13\u4e3aRS485\u901a\u4fe1\u8bbe\u8ba1\u7684\u5c4f\u853d\u53cc\u7ede\u7ebf\u7535\u7f06\uff0c\u901a\u5e38\u5e94\u4e3a22 AWG(0.33 mm^2)\u6216\u66f4\u7c97\u7684\u5bfc\u4f53\uff0c\u5177\u6709100-120\u6b27\u59c6\u7684\u963b\u6297\u548c\u4f4e\u7ebf\u8def\u95f4\u7535\u5bb9\uff0c\u5e76\u6700\u597d\u53ea\u6709\u4e00\u4e2a\u63a5\u5730\u7684\u5c4f\u853d\u5c42\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u70b9\u5bf9\u70b9\u914d\u7f6e<\/strong>\uff1a\u5728RS485\u603b\u7ebf\u4e0a\u4e3a\u6bcf\u4e2a\u8bbe\u5907\u5efa\u7acb\u70b9\u5bf9\u70b9\u914d\u7f6e\uff0c\u5373\u5c06\u6b63\u6781\u8fde\u63a5\u5230\u6b63\u6781\uff0c\u8d1f\u6781\u8fde\u63a5\u5230\u8d1f\u6781\u3002\u907f\u514d\u4f7f\u7528\u201c\u661f\u5f62\u201d\u548c\u201cT\u5f62\u201d\u8fde\u63a5\uff0c\u53ea\u91c7\u7528\u94fe\u5f0f\u8fde\u63a5\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u8bbe\u5907\u5730\u5740\u552f\u4e00\u6027<\/strong>\uff1a\u786e\u4fdd\u6bcf\u4e2a\u8bbe\u5907\u5177\u6709\u552f\u4e00\u7684\u5730\u5740\uff0c\u4ee5\u907f\u514d\u901a\u4fe1\u51b2\u7a81\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7ec8\u7aef\u7535\u963b<\/strong>\uff1a\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u7ebf\u4e24\u7aef\u90fd\u9700\u8981\u63d2\u5165\u7ec8\u7aef\u7535\u963b(RT)\uff0c\u5176\u503c\u7531\u7535\u7f06\u7684\u7535\u6c14\u53c2\u6570\u51b3\u5b9a\uff0c\u901a\u5e38\u4e3a100-120\u6b27\u59c6\u3002\u5982\u679c\u8bbe\u5907\u6570\u91cf\u8f83\u5c11\u4e14\u4f20\u8f93\u8ddd\u79bb\u8f83\u77ed\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528\u7ec8\u7aef\u7535\u963b\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u5c4f\u853d\u5c42\u63a5\u5730<\/strong>\uff1a\u5c06\u5c4f\u853d\u5c42\u8fde\u63a5\u5230RS485\u4e3b\u7ad9\u548c\u5355\u4e2a\u8bbe\u5907\uff0c\u6216\u8005\u5728\u67d0\u4e00\u70b9\u5c06\u5c4f\u853d\u5c42\u8fde\u63a5\u5230\u5730\u3002\u4fdd\u6301\u5c4f\u853d\u8fde\u7eed\u6027\uff0c\u5e76\u786e\u4fdd\u5355\u4e00\u70b9\u63a5\u5730\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u901a\u4fe1\u6ce2\u7279\u7387\u8bbe\u7f6e<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u901a\u4fe1\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u4f20\u8f93\u901f\u7387\u6765\u4f18\u5316\u901a\u4fe1\u6027\u80fd\u3002RS485\u652f\u6301\u4ece\u8f83\u4f4e\u7684100kbps\u5230\u66f4\u9ad8\u768410Mbps\u4e0d\u7b49\u7684\u4f20\u8f93\u901f\u7387\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u907f\u514d\u7535\u6c14\u566a\u58f0\u5e72\u6270<\/strong>\uff1a\u9632\u6b62\u7535\u6c14\u566a\u58f0\u6e90\u5bf9\u7535\u7f06\u9020\u6210\u5e72\u6270\uff0c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5c4f\u853d\u7535\u7f06\u5e76\u6b63\u786e\u63a5\u5730\u6765\u5b9e\u73b0\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6700\u5927\u8bbe\u5907\u6570\u91cf\u548c\u7535\u7f06\u957f\u5ea6<\/strong>\uff1a\u5355\u6761RS485\u603b\u7ebf\u80fd\u63a563\u53f0\u95e8\u7981\u63a7\u5236\u5668\uff0c\u5efa\u8bae\u63a532\u53f0\u4ee5\u4e0b\u3002\u5982\u679c\u4e0d\u4f7f\u7528RS485\u4e2d\u7ee7\u5668\uff0c\u5219\u572819.2 K\u6ce2\u7279\u7387\u4e0b\u8fde\u63a5\u6240\u6709\u8bbe\u5907\u7684\u6700\u5927\u7535\u7f06\u957f\u5ea6\u4e3a4000\u82f1\u5c3a(1219.20\u7c73)\uff0c\u5728115.2 K\u6ce2\u7279\u7387\u4e0b\u4e3a2000\u82f1\u5c3a(609.60\u7c73)\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 RS485\u7ebf\u4e0e\u5176\u4ed6\u901a\u4fe1\u534f\u8bae(\u5982RS232\u3001CAN\u603b\u7ebf)\u5bf9\u6bd4\u4f18\u70b9\u7f3a\u70b9<\/h2>\n\n\n\n<p>\u3000\u3000RS485\u7ebf\u4e0e\u5176\u4ed6\u901a\u4fe1\u534f\u8bae(\u5982RS232\u3001CAN\u603b\u7ebf)\u76f8\u6bd4\uff0c\u5177\u6709\u4ee5\u4e0b\u663e\u8457\u7684\u4f18\u52bf\u548c\u52a3\u52bf\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. \u4f18\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u6297\u5e72\u6270\u80fd\u529b\u5f3a<\/strong>\uff1aRS485\u91c7\u7528\u5e73\u8861\u9a71\u52a8\u5668\u548c\u5dee\u5206\u63a5\u6536\u5668\u7684\u7ec4\u5408\uff0c\u80fd\u591f\u6709\u6548\u62b5\u6297\u5171\u6a21\u5e72\u6270\uff0c\u8fd9\u4f7f\u5f97\u5176\u5728\u566a\u58f0\u73af\u5883\u4e0b\u7684\u901a\u4fe1\u53ef\u9760\u6027\u66f4\u9ad8\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6570\u636e\u4f20\u8f93\u901f\u7387\u9ad8<\/strong>\uff1aRS485\u7684\u6700\u9ad8\u4f20\u8f93\u901f\u7387\u53ef\u8fbe10Mbps\uff0c\u8fdc\u9ad8\u4e8eRS232\u768420Kbps\uff0c\u56e0\u6b64\u5728\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u4e2d\u8868\u73b0\u66f4\u4f73\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u591a\u7ad9\u80fd\u529b<\/strong>\uff1aRS485\u652f\u6301\u5728\u603b\u7ebf\u4e0a\u8fde\u63a5\u591a\u8fbe128\u4e2a\u6536\u53d1\u5668\uff0c\u5373\u5177\u6709\u591a\u7ad9\u80fd\u529b\uff0c\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4e8e\u9700\u8981\u591a\u4e2a\u8bbe\u5907\u540c\u65f6\u901a\u4fe1\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. \u52a3\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u901a\u4fe1\u65b9\u5f0f\u9650\u5236<\/strong>\uff1aRS485\u662f\u534a\u53cc\u5de5\u901a\u4fe1\u65b9\u5f0f\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4e0d\u80fd\u540c\u65f6\u8fdb\u884c\u53d1\u9001\u548c\u63a5\u6536\u64cd\u4f5c\uff0c\u8fd9\u5728\u67d0\u4e9b\u9700\u8981\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u5e94\u7528\u4e2d\u53ef\u80fd\u662f\u4e00\u4e2a\u52a3\u52bf\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u6210\u672c\u548c\u590d\u6742\u6027<\/strong>\uff1a\u867d\u7136RS485\u5728\u6027\u80fd\u4e0a\u4f18\u4e8eRS232.\u4f46\u5176\u6210\u672c\u548c\u590d\u6742\u6027\u4e5f\u76f8\u5bf9\u8f83\u9ad8\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5f71\u54cd\u5176\u5728\u4e00\u4e9b\u6210\u672c\u654f\u611f\u578b\u5e94\u7528\u4e2d\u7684\u4f7f\u7528\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7f51\u7edc\u7ef4\u62a4\u56f0\u96be<\/strong>\uff1aRS485\u603b\u7ebf\u6807\u51c6\u53ea\u662f\u4e00\u4e2a\u7535\u6c14\u6807\u51c6\uff0c\u5e76\u6ca1\u6709\u81ea\u5df1\u7684\u901a\u4fe1\u534f\u8bae\uff0c\u56e0\u6b64\u5728\u6545\u969c\u5b9a\u4f4d\u548c\u9519\u8bef\u5904\u7406\u65b9\u9762\u4e0d\u5982CAN\u603b\u7ebf\u7075\u6d3b\uff0c\u7f51\u7edc\u7ef4\u62a4\u8f83\u4e3a\u56f0\u96be\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 \u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\uff0cRS485\u7ebf\u7684\u5c4f\u853d\u5c42\u5982\u4f55\u8bbe\u8ba1\u624d\u80fd\u6700\u5927\u5316\u5176\u6297\u5e72\u6270\u80fd\u529b?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u9ad8\u5e72\u6270\u73af\u5883\u4e0b\uff0c\u4e3a\u4e86\u6700\u5927\u5316RS485\u7ebf\u7684\u5c4f\u853d\u5c42\u6297\u5e72\u6270\u80fd\u529b\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u8bbe\u8ba1\u63aa\u65bd\uff1a<\/p>\n\n\n\n<ul 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