"# \u6700\u4f73\u5b9e\u8df5 \u00b7 \u5353\u5c9a 4G DTU \u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\n\n> 2022-06-25 | 2026-07-01\n> https:\/\/www.modbus.cn\/en\/7949.html\n\n**\u4e91\u5e73\u53f0\u63a5\u5165\u6307\u5357**\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/06\/2022062514140443.png)\n\nDTU \uff08Data Transfer Unit\uff09\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7684\u7269\u8054\u7f51\u901a\u4fe1\u7ec8\u7aef\u4ea7\u54c1\uff0c\u8d77\u5230\u7f51\u5173\u7684\u4f5c\u7528\uff0c\u5b83\u4e00\u8fb9\u901a\u8fc7\u4e32\u53e3\u6216\u65e0\u7ebf\u6280\u672f\u8fde\u63a5\u5404\u79cd\u4f20\u611f\u5668\u3001\u63a7\u5236\u5668\u3001\u6267\u884c\u5668\u7b49\uff0c\u53e6\u4e00\u8fb9\u901a\u8fc7 WiFi \u3001Ethernet\u30012G\/3G\/4G\/5G\u3001NB-IoT \u7b49\u65b9\u5f0f\u8fde\u63a5\u4e92\u8054\u7f51\uff0c\u63a5\u5165\u4e91\u7aef\u670d\u52a1\u3002\n\nDTU \u662f\u5f00\u7bb1\u5373\u7528\u7684\u4ea7\u54c1\uff0c\u548c\u5f88\u591a\u4f20\u611f\u5668\u4ea7\u54c1\u914d\u5408\u4f7f\u7528\uff0c\u4e0d\u9700\u8981\u786c\u4ef6\u5f00\u53d1\u80fd\u529b\uff0c\u50cf\u914d\u7f6e\u5bb6\u5ead\u5bbd\u5e26\u8def\u7531\u5668\u4e00\u6837\u7b80\u5355\u3002\n\nDTU \u5728\u9700\u8981\u91c7\u96c6\u4f20\u611f\u5668\u6570\u636e\u548c\u8fdc\u7a0b\u63a7\u5236\u7684\u573a\u666f\u4e2d\u5e7f\u6cdb\u4f7f\u7528\uff0cMODBUS \u7269\u8054\u7f51\u5e73\u53f0\u7684\u7528\u6237\u6709\u76f8\u5f53\u4e00\u90e8\u5206\u5728\u4f7f\u7528 DTU \u63a5\u5165\u8bbe\u5907\uff0c\u901a\u5e38 DTU \u4f7f\u7528\u8f83\u591a\u7684\u662f\u901a\u8fc7 RS485\/232\/422 \u7aef\u53e3\u8fde\u63a5 Modbus \u4ece\u673a\u8bbe\u5907\uff0c\u4f8b\u5982\uff1a\u5f00\u5173\u7ee7\u7535\u5668\u3001\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u3001\u5404\u7c7b\u6c14\u4f53\u4f20\u611f\u5668\u3001\u7535\u80fd\u8868\u3001\u6c34\u8868\u3001PLC\u3001\u7535\u673a\u63a7\u5236\u5668\u7b49\uff0c\u53e6\u5916\u5728\u8981\u6c42\u8986\u76d6\u9762\u5e7f\u3001\u4f4e\u529f\u8017\u3001\u65e0\u7ebf\u4f20\u8f93\u7684\u573a\u666f\u4e5f\u666e\u904d\u9002\u7528 LoRa DTU\u3002\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u7684 DTU \u548c\u5b50\u8bbe\u5907\u5173\u7cfb\uff0c\u901a\u5e38\u5982\u4e0b\u56fe\uff1a\n\n\u5982\u679c\u60a8\u7684\u7269\u8054\u7f51\u9879\u76ee\u4e0d\u662f\u4f7f\u7528 DTU\uff0c\u800c\u662f\u81ea\u4e3b\u5f00\u53d1\u5355\u9762\u673a\u6216\u5d4c\u5165\u5f0f\u786c\u4ef6\u4ea7\u54c1\uff0c\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u4e5f\u5b8c\u5168\u9002\u7528\uff0c\u8be6\u60c5\u8bf7\u6d4f\u89c8\u00a0\u8bbe\u5907\u63a5\u5165\u3002\n\n---\n*modbus.cn*\n"