{"id":99860,"date":"2024-12-10T16:59:33","date_gmt":"2024-12-10T08:59:33","guid":{"rendered":"\/\/www.viralrail.com\/?p=99860"},"modified":"2024-12-10T16:59:36","modified_gmt":"2024-12-10T08:59:36","slug":"jkcjplds","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/99860.html","title":{"rendered":"485\u63a5\u53e3\u91c7\u96c6\u9891\u7387\u591a\u5c11"},"content":{"rendered":"\n
\u3000\u3000RS-485\u63a5\u53e3<\/strong>\u7684\u91c7\u96c6\u9891\u7387\u53ef\u4ee5\u56e0\u5177\u4f53\u5e94\u7528\u548c\u8bbe\u5907\u800c\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8eRS-485\u63a5\u53e3\u91c7\u96c6\u9891\u7387\u7684\u4fe1\u606f\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0cRS-485\u63a5\u53e3\u7684\u91c7\u6837\u9891\u7387\u53ef\u4ee5\u8fbe\u52301000Hz\uff0c\u8fd9\u53d6\u51b3\u4e8e\u901a\u4fe1\u901f\u7387\u662f\u5426\u6ee1\u8db3\u8981\u6c42\u3002<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8e\u6a21\u62df\u91cf\u8f6c485\u6a21\u5757\uff0c\u5176\u91c7\u96c6\u9891\u7387\u5728\u4e0d\u540c\u6ce2\u7279\u7387\u4e0b\u6709\u6240\u4e0d\u540c\uff1a\u5728115200\u6ce2\u7279\u7387\u65f6\uff0c\u6700\u5feb\u53ef\u8fbe100Hz(\u5373\u6bcf\u79d2100\u6b21)\uff0c\u800c\u57289600\u6ce2\u7279\u7387\u65f6\uff0c\u6700\u5feb\u53ef\u8fbe20Hz(\u5373\u6bcf\u79d220\u6b21)\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u4e00\u4e9b\u5de5\u4e1a\u81ea\u52a8\u5316\u5e94\u7528\u4e2d\uff0cRS-485\u6570\u636e\u91c7\u96c6\u6a21\u5757\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u4f20\u8f93\u901f\u7387\uff0c\u4ece9600bps\u52301Mbps\u4e0d\u7b49\u3002<\/p>\n\n\n\n \u3000\u3000\u4e00\u4e9bRS-485\u63a5\u53e3\u82af\u7247\u80fd\u591f\u652f\u6301\u9ad8\u8fbe10Mbps\u7684\u6570\u636e\u901f\u7387\uff0c\u4f8b\u5982SP3485\u6536\u53d1\u5668\uff0c\u8fd9\u4f7f\u5f97\u5b83\u5728\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u573a\u666f\u4e2d\u5177\u6709\u6f5c\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u7279\u5b9a\u7684\u5e94\u7528\u4e2d\uff0c\u4f8b\u5982\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\uff0c\u5176\u4e32\u53e3\u901f\u7387\u6ce2\u7279\u7387\u53ef\u8bbe\u7f6e\u8303\u56f4\u4e3a1200\u81f3115200 bps\uff0c\u4f46\u5177\u4f53\u7684\u91c7\u96c6\u9891\u7387\u53ef\u80fd\u4f1a\u53d7\u5230\u65e0\u7ebf\u901a\u4fe1\u6761\u4ef6\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n \u3000\u3000RS-485\u63a5\u53e3\u7684\u91c7\u96c6\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u8bbe\u5907\u548c\u5e94\u7528\u573a\u666f\u800c\u53d8\u5316\uff0c\u4ece\u4f4e\u81f3\u51e0Hz\u5230\u9ad8\u81f3\u51e0\u5343Hz\u4e0d\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u91c7\u96c6\u9891\u7387\u9700\u8981\u8003\u8651\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u3001\u901a\u4fe1\u901f\u7387\u4ee5\u53ca\u8bbe\u5907\u7684\u6027\u80fd\u9650\u5236\u3002<\/p>\n\n\n\n \u3000\u3000RS-485\u63a5\u53e3\u7684\u6700\u5927\u91c7\u96c6\u9891\u7387\u53d6\u51b3\u4e8e\u5176\u901a\u4fe1\u901f\u7387\u548c\u901a\u4fe1\u8ddd\u79bb\u3002RS-485\u7684\u6700\u5927\u4f20\u8f93\u901f\u7387\u4e3a10Mbps\u3002\u7136\u800c\uff0c\u4f20\u8f93\u901f\u7387\u4e0e\u901a\u4fe1\u8ddd\u79bb\u6210\u53cd\u6bd4\u5173\u7cfb\uff0c\u5373\u5728\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387\u4e0b\uff0c\u901a\u4fe1\u8ddd\u79bb\u4f1a\u7f29\u77ed\u3002<\/p>\n\n\n\n \u3000\u3000\u5177\u4f53\u6765\u8bf4\uff0c\u5728100Kbps\u7684\u4f20\u8f93\u901f\u7387\u4e0b\uff0cRS-485\u53ef\u4ee5\u8fbe\u5230\u6700\u5927\u7684\u901a\u4fe1\u8ddd\u79bb\u7ea61219\u7c73\u3002\u800c\u5728\u66f4\u9ad8\u7684\u4f20\u8f93\u901f\u7387(\u598210Mbps)\u4e0b\uff0c\u901a\u4fe1\u8ddd\u79bb\u4f1a\u663e\u8457\u7f29\u77ed\uff0c\u901a\u5e38\u5728\u51e0\u767e\u7c73\u7684\u8303\u56f4\u5185\u3002<\/p>\n\n\n\n \u3000\u3000\u56e0\u6b64\uff0cRS-485\u63a5\u53e3\u5728\u4e0d\u540c\u901a\u4fe1\u901f\u7387\u4e0b\u7684\u6700\u5927\u91c7\u96c6\u9891\u7387\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u3000\u3000\u572810Mbps\u7684\u4f20\u8f93\u901f\u7387\u4e0b\uff0c\u6700\u5927\u91c7\u96c6\u9891\u7387\u53d7\u9650\u4e8e\u901a\u4fe1\u8ddd\u79bb\uff0c\u901a\u5e38\u5728\u51e0\u767e\u7c73\u7684\u8303\u56f4\u5185\u3002<\/p>\n\n\n\n \u3000\u3000\u5728100Kbps\u7684\u4f20\u8f93\u901f\u7387\u4e0b\uff0c\u6700\u5927\u91c7\u96c6\u9891\u7387\u53ef\u4ee5\u8986\u76d6\u66f4\u957f\u7684\u8ddd\u79bb\uff0c\u7ea61219\u7c73\u3002<\/p>\n\n\n\n \u3000\u3000\u9009\u62e9\u5408\u9002\u7684RS-485\u63a5\u53e3\u91c7\u96c6\u9891\u7387\u9700\u8981\u7efc\u5408\u8003\u8651\u5e94\u7528\u573a\u666f\u3001\u901a\u4fe1\u8ddd\u79bb\u3001\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u6297\u5e72\u6270\u80fd\u529b\u7b49\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u7684\u6b65\u9aa4\u548c\u5efa\u8bae\uff1a<\/p>\n\n\n\n \u3000\u3000\u660e\u786e\u7cfb\u7edf\u6027\u80fd\u8981\u6c42<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1aRS-485\u7684\u4f20\u8f93\u901f\u7387\u901a\u5e38\u572810Mbps\u5de6\u53f3\uff0c\u4f46\u5b9e\u9645\u5e94\u7528\u4e2d\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u9ad8\u901f\u6570\u636e\u4f20\u8f93\uff0c\u53ef\u4ee5\u9009\u62e9\u66f4\u9ad8\u7684\u6ce2\u7279\u7387(\u59829600\u300119200\u300138400\u7b49)\u3002<\/p>\n\n\n\n \u3000\u3000\u901a\u4fe1\u8ddd\u79bb<\/strong>\uff1aRS-485\u652f\u6301\u6700\u8fdc1200\u7c73\u7684\u901a\u4fe1\u8ddd\u79bb\uff0c\u4f7f\u7528\u4e2d\u7ee7\u5668\u53ef\u4ee5\u5ef6\u957f\u81f33000\u7c73\u3002\u56e0\u6b64\uff0c\u5728\u957f\u8ddd\u79bb\u4f20\u8f93\u65f6\uff0c\u5e94\u9009\u62e9\u9002\u5f53\u7684\u6ce2\u7279\u7387\u4ee5\u4fdd\u8bc1\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n\n\n\n \u3000\u3000\u8003\u8651\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u7535\u6c14\u566a\u58f0\u8f83\u5927\u7684\u73af\u5883\u4e2d\uff0c\u5efa\u8bae\u91c7\u7528\u5c4f\u853d\u7535\u7f06\u548c\u63a5\u5730\u63aa\u65bd\u6765\u51cf\u5c11\u5e72\u6270\u3002\u540c\u65f6\uff0c\u9009\u62e9\u5177\u6709\u9ad8\u6297\u5e72\u6270\u80fd\u529b\u7684RS-485\u6536\u53d1\u5668\u82af\u7247\u4e5f\u662f\u5fc5\u8981\u7684\u3002<\/p>\n\n\n\n \u3000\u3000\u7ec8\u7aef\u5339\u914d\u7535\u963b<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u786e\u4fddRS-485\u603b\u7ebf\u4e24\u7aef\u90fd\u6709120\u6b27\u59c6\u7684\u7ec8\u7aef\u7535\u963b\uff0c\u4ee5\u51cf\u5c11\u4fe1\u53f7\u53cd\u5c04\uff0c\u4fdd\u8bc1\u901a\u4fe1\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u6ce2\u7279\u7387\u81ea\u9002\u5e94<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5982\u679c\u5e94\u7528\u573a\u666f\u6d89\u53ca\u591a\u79cd\u8bbe\u5907\u6216\u534f\u8bae\uff0c\u5982\u7535\u80fd\u8868\u7684645\u89c4\u7ea6\uff0c\u5efa\u8bae\u9009\u62e9\u652f\u6301\u6ce2\u7279\u7387\u81ea\u9002\u5e94\u7684RS-485\u4e2d\u7ee7\u5668\uff0c\u4ee5\u4fbf\u80fd\u591f\u9002\u5e94\u4e0d\u540c\u8bbe\u5907\u7684\u6ce2\u7279\u7387\u9700\u6c42\u3002<\/p>\n\n\n\n \u3000\u3000\u7f51\u7edc\u62d3\u6251\u7ed3\u6784<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000RS-485\u652f\u6301\u603b\u7ebf\u578b\u3001\u661f\u578b\u6216\u6df7\u5408\u578b\u7f51\u7edc\u62d3\u6251\u7ed3\u6784\u3002\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u62d3\u6251\u7ed3\u6784\uff0c\u53ef\u4ee5\u7b80\u5316\u5e03\u7ebf\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7ba1\u7406\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8e\u9700\u8981\u5b9e\u65f6\u6570\u636e\u4f20\u8f93\u7684\u5e94\u7528\u573a\u666f\uff0c\u5982\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u697c\u5b87\u81ea\u52a8\u5316\uff0c\u9009\u62e9\u9ad8\u7a33\u5b9a\u6027\u548c\u4f4e\u5ef6\u8fdf\u7684\u91c7\u96c6\u9891\u7387\u81f3\u5173\u91cd\u8981\u3002\u540c\u65f6\uff0c\u786e\u4fdd\u91c7\u96c6\u9891\u7387\u4e0e\u7cfb\u7edf\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u76f8\u5339\u914d\u3002<\/p>\n\n\n\n \u3000\u3000\u5177\u4f53\u5e94\u7528\u573a\u666f<\/strong>\uff1a<\/p>\n\n\n\n \u3000\u3000\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u751f\u4ea7\u7ebf\u3001\u6e29\u63a7\u7cfb\u7edf\u548c\u667a\u80fd\u4eea\u8868\u7b49\u573a\u666f\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u7a33\u5b9a\u7684\u901a\u8baf\u6027\u80fd\u548c\u957f\u8ddd\u79bb\u4f20\u8f93\u80fd\u529b\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u5177\u6709\u9ad8\u53ef\u9760\u6027\u548c\u6297\u5e72\u6270\u80fd\u529b\u7684RS-485\u65e0\u7ebf\u901a\u8baf\u6a21\u5757\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n\n\n\n \u3000\u3000\u5408\u7406\u8bbe\u7f6eRS-485\u53d1\u9001\u9891\u7387\u5bf9\u4e8e\u63d0\u5347\u7cfb\u7edf\u6570\u636e\u4f20\u8f93\u6548\u7387\u548c\u4fdd\u969c\u7cfb\u7edf\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n \u3000\u3000RS-485\u63a5\u53e3\u82af\u7247\u652f\u6301\u7684\u6700\u9ad8\u6570\u636e\u901f\u7387\u4e3a10Mbps\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u901f\u7387\u5bf9\u91c7\u96c6\u9891\u7387\u7684\u5f71\u54cd\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cRS-485\u7684\u4f20\u8f93\u901f\u7387\u4e0e\u4f20\u8f93\u8ddd\u79bb\u6210\u53cd\u6bd4\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u5728100Kbps\u7684\u901f\u7387\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u89c4\u5b9a\u7684\u6700\u957f\u7535\u7f06\u957f\u5ea6\uff0c\u800c\u5728\u66f4\u9ad8\u7684\u901f\u7387(\u598210Mbps)\u4e0b\uff0c\u5219\u9700\u8981\u8f83\u77ed\u7684\u7535\u7f06\u957f\u5ea6\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u9700\u8981\u957f\u8ddd\u79bb\u4f20\u8f93\uff0c\u53ef\u80fd\u9700\u8981\u964d\u4f4e\u6570\u636e\u901f\u7387\u4ee5\u786e\u4fdd\u901a\u4fe1\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u6b64\u5916\uff0cRS-485\u5e38\u7528\u4e8e\u6784\u5efa\u591a\u70b9\u6570\u636e\u901a\u4fe1\u7f51\u7edc\uff0c\u652f\u6301\u591a\u8fbe128\u4e2a\u6216\u66f4\u591a\u8282\u70b9\u7684\u8fde\u63a5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u901f\u7387\u7684\u9009\u62e9\u8fd8\u9700\u8981\u8003\u8651\u7f51\u7edc\u4e2d\u7684\u8282\u70b9\u6570\u91cf\u548c\u901a\u4fe1\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7f51\u7edc\u4e2d\u6709\u5927\u91cf\u8282\u70b9\u9700\u8981\u540c\u65f6\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u90a3\u4e48\u8f83\u4f4e\u7684\u6570\u636e\u901f\u7387\u53ef\u80fd\u66f4\u6709\u5229\u4e8e\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u4e2d\uff0c\u91c7\u96c6\u9891\u7387\u4e0e\u65e0\u7ebf\u901a\u4fe1\u6761\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u4e3b\u8981\u4f53\u73b0\u5728\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\uff1a<\/p>\n\n\n\n \u3000\u3000\u4f20\u8f93\u8ddd\u79bb\u4e0e\u4fe1\u53f7\u8d28\u91cf<\/strong>\uff1a\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u7684\u4f20\u8f93\u8ddd\u79bb\u901a\u5e38\u53d7\u5230\u4fe1\u53f7\u7ebf\u7535\u963b\u7684\u5f71\u54cd\u3002\u5f53\u4fe1\u53f7\u7ebf\u8f83\u957f\u65f6\uff0c\u7535\u538b\u4fe1\u53f7\u4f1a\u56e0\u7535\u963b\u800c\u964d\u4f4e\uff0c\u5bfc\u81f4\u63a5\u6536\u7aef\u65e0\u6cd5\u8bc6\u522b\u4fe1\u53f7\u3002\u56e0\u6b64\uff0c\u91c7\u96c6\u9891\u7387\u8f83\u9ad8\u65f6\uff0c\u9700\u8981\u66f4\u77ed\u7684\u4f20\u8f93\u8ddd\u79bb\u4ee5\u786e\u4fdd\u4fe1\u53f7\u8d28\u91cf\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u51fa\u73b0\u4fe1\u53f7\u4e22\u5931\u6216\u9519\u8bef\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n \u3000\u3000\u6297\u5e72\u6270\u80fd\u529b<\/strong>\uff1a\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u91c7\u7528\u7535\u538b\u4fe1\u53f7\u4f20\u8f93\uff0c\u76f8\u8f83\u4e8e4-20mA\u7535\u6d41\u73af\u4f20\u8f93\uff0c\u5176\u6297\u5e72\u6270\u80fd\u529b\u8f83\u5f31\u3002\u8fd9\u610f\u5473\u7740\u5728\u5e72\u6270\u8f83\u591a\u7684\u73af\u5883\u4e2d\uff0c\u91c7\u96c6\u9891\u7387\u8f83\u9ad8\u7684\u60c5\u51b5\u4e0b\uff0c\u4fe1\u53f7\u53ef\u80fd\u4f1a\u53d7\u5230\u66f4\u591a\u5e72\u6270\uff0c\u5f71\u54cd\u6570\u636e\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n\n\n\n \u3000\u3000\u529f\u8017\u4e0e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a\u65e0\u7ebf485\u91c7\u96c6\u5668\u5728\u4f4e\u529f\u8017\u548c\u8fdc\u8ddd\u79bb\u4f20\u8f93\u573a\u666f\u4e2d\u8868\u73b0\u4f18\u5f02\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u4e14\u5bf9\u80fd\u8017\u8981\u6c42\u4e25\u683c\u7684\u573a\u666f\u4e2d\u3002\u7136\u800c\uff0c\u5982\u679c\u91c7\u96c6\u9891\u7387\u8fc7\u9ad8\uff0c\u53ef\u80fd\u4f1a\u589e\u52a0\u529f\u8017\uff0c\u4ece\u800c\u7f29\u77ed\u8bbe\u5907\u7684\u4f7f\u7528\u5bff\u547d\u548c\u964d\u4f4e\u7cfb\u7edf\u7684\u6574\u4f53\u6548\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u8c03\u5236\u65b9\u5f0f\u4e0e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u652f\u6301\u591a\u79cd\u8c03\u5236\u65b9\u5f0f\u548c\u53ef\u8c03\u7684\u7a7a\u4e2d\u901f\u7387\uff0c\u4f8b\u5982DSSS(\u76f4\u63a5\u5e8f\u5217\u6269\u9891)\u8c03\u5236\u65b9\u5f0f\u548c\u4e0d\u540c\u7684\u7a7a\u4e2d\u901f\u7387\u8bbe\u7f6e\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u5e94\u7528\u573a\u666f\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u5e73\u8861\u91c7\u96c6\u9891\u7387\u548c\u901a\u4fe1\u6761\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n \u3000\u3000\u5e94\u7528\u573a\u666f\u4e0e\u8bbe\u5907\u517c\u5bb9\u6027<\/strong>\uff1a\u65e0\u7ebf485\u91c7\u96c6\u5668\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u76d1\u63a7\u3001\u8fdc\u7a0b\u6570\u636e\u4f20\u8f93\u548c\u81ea\u52a8\u5316\u63a7\u5236\u7b49\u9886\u57df\u3002\u5728\u8fd9\u4e9b\u5e94\u7528\u4e2d\uff0c\u91c7\u96c6\u9891\u7387\u7684\u9009\u62e9\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u548c\u8bbe\u5907\u517c\u5bb9\u6027\u8fdb\u884c\u4f18\u5316\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u51c6\u786e\u91c7\u96c6\u548c\u6709\u6548\u4f20\u8f93\u3002<\/p>\n\n\n\n \u3000\u3000\u5728\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u4e2d\uff0c\u91c7\u96c6\u9891\u7387\u4e0e\u65e0\u7ebf\u901a\u4fe1\u6761\u4ef6\u4e4b\u95f4\u5b58\u5728\u5bc6\u5207\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n \u3000\u3000\u5bf9\u4e8e\u6a21\u62df\u91cf\u8f6c485\u6a21\u5757\uff0c\u4e0d\u540c\u6ce2\u7279\u7387\u4e0b\u7684\u91c7\u96c6\u9891\u7387\u5177\u4f53\u53d8\u5316\u5982\u4e0b\uff1a<\/p>\n\n\n\n \u3000\u3000\u9ed8\u8ba4\u6ce2\u7279\u73879600bps<\/strong>\uff1a\u6839\u636e\u8bc1\u636e\uff0c\u8be5\u6a21\u5757\u9ed8\u8ba4\u7684\u901a\u4fe1\u901f\u7387\u4e3a9600bps\uff0c\u4e14\u652f\u6301\u5176\u4ed6\u6ce2\u7279\u7387\u5b9a\u5236\u3002\u5728\u9ed8\u8ba4\u76849600bps\u4e0b\uff0c\u6a21\u5757\u7684\u91c7\u6837\u9891\u7387\u4e3a20\u6b21\/\u79d2\u3002<\/p>\n\n\n\n \u3000\u3000\u5176\u4ed6\u6ce2\u7279\u7387<\/strong>\uff1a\u867d\u7136\u5177\u4f53\u7684\u6ce2\u7279\u7387\u8303\u56f4\u548c\u5bf9\u5e94\u7684\u91c7\u96c6\u9891\u7387\u6ca1\u6709\u660e\u786e\u8bf4\u660e\uff0c\u4f46\u53ef\u4ee5\u63a8\u6d4b\uff0c\u6ce2\u7279\u7387\u7684\u53d8\u5316\u4f1a\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u901f\u7387\u548c\u53ef\u80fd\u7684\u91c7\u96c6\u9891\u7387\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6ce2\u7279\u7387\u63d0\u9ad8\u5230\u66f4\u9ad8\u7684\u503c(\u5982115200bps)\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u66f4\u5feb\u5730\u4f20\u8f93\u6570\u636e\uff0c\u4ece\u800c\u53ef\u80fd\u5141\u8bb8\u66f4\u9ad8\u7684\u91c7\u96c6\u9891\u7387\u3002\u7136\u800c\uff0c\u5b9e\u9645\u7684\u91c7\u96c6\u9891\u7387\u8fd8\u53d6\u51b3\u4e8e\u6a21\u5757\u5185\u90e8\u7684\u786c\u4ef6\u914d\u7f6e\u548c\u5904\u7406\u80fd\u529b\u3002<\/p>\n\n\n\n \u3000\u3000\u5b9a\u5236\u6ce2\u7279\u7387<\/strong>\uff1a\u6709\u4e9b\u6a21\u5757\u5141\u8bb8\u7528\u6237\u5b9a\u5236\u6ce2\u7279\u7387\uff0c\u8fd9\u901a\u5e38\u610f\u5473\u7740\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8c03\u6574\u6ce2\u7279\u7387\u4ee5\u4f18\u5316\u6570\u636e\u4f20\u8f93\u548c\u91c7\u96c6\u9891\u7387\u3002<\/p>\n\n\n\n \u3000\u3000\u603b\u7ed3\u6765\u8bf4\uff0c\u6a21\u62df\u91cf\u8f6c485\u6a21\u5757\u5728\u4e0d\u540c\u6ce2\u7279\u7387\u4e0b\u7684\u91c7\u96c6\u9891\u7387\u4f1a\u6709\u6240\u53d8\u5316\uff0c\u5177\u4f53\u7684\u53d8\u5316\u53d6\u51b3\u4e8e\u6a21\u5757\u7684\u786c\u4ef6\u914d\u7f6e\u548c\u7528\u6237\u8bbe\u5b9a\u7684\u6ce2\u7279\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" RS-485\u63a5\u53e3\u7684\u91c7\u96c6\u9891\u7387\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u8bbe\u5907\u548c\u5e94\u7528\u573a\u666f\u800c\u53d8\u5316\uff0c\u4ece\u4f4e\u81f3\u51e0Hz\u5230\u9ad8\u81f3\u51e0\u5343Hz\u4e0d\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u91c7\u96c6\u9891\u7387\u9700\u8981\u8003\u8651\u5177\u4f53\u7684\u5e94\u7528\u9700\u6c42\u3001\u901a\u4fe1\u901f\u7387\u4ee5\u53ca\u8bbe\u5907\u7684\u6027\u80fd\u9650\u5236\u3002<\/p>\n","protected":false},"author":1,"featured_media":93620,"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],"class_list":["post-99860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-r"],"_links":{"self":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/comments?post=99860"}],"version-history":[{"count":0,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/posts\/99860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media\/93620"}],"wp:attachment":[{"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/media?parent=99860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/categories?post=99860"},{"taxonomy":"post_tag","embeddable":true,"href":"\/\/www.viralrail.com\/wp-json\/wp\/v2\/tags?post=99860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\u3000\u3000\u4e00\u3001 RS-485\u63a5\u53e3\u5728\u4e0d\u540c\u901a\u4fe1\u901f\u7387\u4e0b\u7684\u6700\u5927\u91c7\u96c6\u9891\u7387\u662f\u591a\u5c11?<\/h2>\n\n\n\n
\u3000\u3000\u4e8c\u3001 \u5982\u4f55\u6839\u636eRS-485\u63a5\u53e3\u7684\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u91c7\u96c6\u9891\u7387?<\/h2>\n\n\n\n
\u3000\u3000\u4e09\u3001 RS-485\u63a5\u53e3\u82af\u7247\u652f\u6301\u7684\u6700\u9ad8\u6570\u636e\u901f\u7387\u662f\u591a\u5c11\uff0c\u4ee5\u53ca\u8fd9\u79cd\u901f\u7387\u5bf9\u91c7\u96c6\u9891\u7387\u7684\u5f71\u54cd?<\/h2>\n\n\n\n
\u3000\u3000\u56db\u3001 \u5728\u65e0\u7ebf485\u4f20\u8f93\u6a21\u5757\u4e2d\uff0c\u91c7\u96c6\u9891\u7387\u4e0e\u65e0\u7ebf\u901a\u4fe1\u6761\u4ef6\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n
\u3000\u3000\u4e94\u3001 \u5bf9\u4e8e\u6a21\u62df\u91cf\u8f6c485\u6a21\u5757\uff0c\u4e0d\u540c\u6ce2\u7279\u7387\u4e0b\u7684\u91c7\u96c6\u9891\u7387\u5177\u4f53\u662f\u5982\u4f55\u53d8\u5316\u7684?<\/h2>\n\n\n\n