"# \u6709\u4ebaDTU\u63a5\u5165\u5e73\u53f0\n\n> 2024-04-07 | 2025-04-12\n> https:\/\/www.modbus.cn\/en\/docs\/yourendtu\n\n---\n\n#### 4G DTU\u662f\u4e00\u79cd\u5e7f\u6cdb\u7528\u4e8e\u5de5\u4e1a\u7269\u8054\u7f51\u6570\u636e\u4f20\u8f93\u7684\u7ec8\u7aef[\u8bbe\u5907](https:\/\/www.modbus.cn\/tag\/%e8%ae%be%e5%a4%87)\uff0c\u5404\u7c7b\u4f20\u611f\u5668\u4e32\u53e3\u539f\u59cb\u6570\u636e\u901a\u8fc7RS485\/232\u4f20\u8f93\u5230DTU\u8f6c4G\u7f51\u7edc\uff0c\u53cc\u5411\u900f\u660e\u4f20\u8f93\uff0c\u652f\u6301Modbus RTU\u8f6cTCP\/MQTT\u3002\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8fdc\u7a0b\u7535\u529b[\u76d1\u63a7](https:\/\/www.modbus.cn\/tag\/%e7%9b%91%e6%8e%a7)\u3001\u6c34\u6587\u6c34\u8d44\u6e90\u76d1\u6d4b\u3001\u5c71\u6d2a\u5730\u8d28\u707e\u5bb3\u76d1\u6d4b\u9884\u8b66\u3001\u73af\u4fdd\u6c61\u67d3\u76d1\u6d4b\u3001\u6c14\u8c61\u6570\u636e\u91c7\u96c6\u3001\u68ee\u6797\u9632\u706b\u76d1\u63a7\u7b49\u9886\u57df\u3002\n\n\u8fd9\u4e00\u6b21\u6211\u4eec\u4ecb\u7ecd\u7684\u662f\u6765\u81ea\u6709\u4eba[\u516c\u53f8](https:\/\/www.modbus.cn\/tag\/%e5%85%ac%e5%8f%b8)\u7684 4G DTU[\u4ea7\u54c1](https:\/\/www.modbus.cn\/tag\/%e4%ba%a7%e5%93%81)USR-DR15[X](https:\/\/www.modbus.cn\/tag\/x)\uff0c\u5b83\u652f\u6301\u901a\u8fc7TCP\u3001UDP\u65b9\u5f0f \u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0\uff08iot.modbus.cn\uff09\uff0c\u5728\u5f88\u591a\u7528\u6237\u7684\u7269\u8054\u7f51\u9879\u76ee\u4e2d\u8fd0\u884c\u975e\u5e38\u7a33\u5b9a\u3002\n\nUSR-DR15X \u662f\u6709\u4eba\u516c\u53f8\u63a8\u51fa\u7684\u8d85\u5c0f\u4f53\u79ef\u5bfc\u8f68\u5f0f DTU \u7cfb\u5217\uff0c\u8be5\u7cfb\u5217\u4ea7\u54c1\u5177\u5907\u9ad8\u901f\u7387\u3001\u4f4e\u5ef6\u8fdf\u3001\u5c0f\u4f53\u79ef\u3001\u4f7f\u7528\u7b80\u5355\u7b49\u7279\u70b9\uff0c\u5e76\u5f00\u521b\u6027\u7684\u91c7\u7528\u4e86\u82af\u7247\u677f\u8f7d\u7684\u8bbe\u8ba1\u65b9\u6848\u3002USR-DR15X \u7cfb\u5217\u652f\u6301\u56fd\u5185\u4e09\u5927\u8fd0\u8425\u5546 Cat-1 \u7f51\u7edc\u63a5\u5165\uff0c\u5177\u6709\u53cc\u5361\u5355\u5f85\u529f\u80fd\uff0c\u4ea7\u54c1\u5185\u7f6e\u4e00\u5f20\u8d34\u7247\u5361\uff08\u51fa\u5382\u514d\u8d39\u8d60\u9001\u6d41\u91cf\uff0c\u53ef\u7eed\u8d39\uff09\uff0c\u5916\u90e8\u9884\u7559 SIM \u5361\u69fd\u4f9b\u7528\u6237\u4f7f\u7528\u3002\n\u8be5 \u7cfb \u5217 \u4ea7 \u54c1 \u91c7 \u7528 \u5de5 \u4e1a \u7ea7 \u8bbe \u8ba1 \u6807 \u51c6 \uff0c \u652f \u6301 \u5bbd \u7535 \u538b \u7aef \u5b50 \u4f9b \u7535 \uff0c RS232\/RS485 \u901a \u4fe1 \u65b9 \u5f0f \u652f \u6301 \u6ce2 \u7279 \u73871200~230400bps\uff0cTTL \u7535\u5e73\u901a\u4fe1\u65b9\u5f0f\u652f\u6301\u6ce2\u7279\u7387 1200~921600bps\uff1b\u652f\u6301 FOTA \u8fdc\u7a0b\u81ea\u5347\u7ea7\u53ca FTP \u4ed6\u5347\u7ea7\u534f\u8bae\u3002\u652f\u6301\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u8fdb\u884c\u53c2\u6570\u914d\u7f6e\uff0c\u4f7f\u7528\u7b80\u5355\u65b9\u4fbf\uff0c\u9002\u7528\u6027\u66f4\u5f3a\uff1b\u4ea7\u54c1\u81ea\u5e26\u5bfc\u8f68\uff08C45 \u56fd\u6807\uff09\u5361\u6263\uff0c\u5b89\u88c5\u65b9\u4fbf\u5feb\u6377\u3002\n\n\u6211\u4eec\u4ee5\u8fd9\u53f0 USR-DR15X \u4e3a\u4f8b\uff0c\u4ecb\u7ecd\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u7684\u6b65\u9aa4\u3002\u5bf9\u4e8e\u5854\u77f3\u516c\u53f8\u7684\u5176\u5b83 \u4e32\u53e3\u670d\u52a1\u5668 \u4ea7\u54c1\uff0c\u4e5f\u53ef\u4ee5\u7528\u540c\u6837\u7684\u65b9\u5f0f\u63a5\u5165\u3002\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175244630.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662605488-image.png)\n\n## MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u4e0a\u7684\u51c6\u5907\u5de5\u4f5c\n\n\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u5c06 \u4e32\u53e3\u670d\u52a1\u5668 \u4f5c\u4e3a\u900f\u4f20\u7f51\u5173\uff0c\u7528\u4e8e\u5728 Modbus \u5b50\u8bbe\u5907\u548c\u4e91\u5e73\u53f0\u4e4b\u95f4\u8d77\u5230\u6d88\u606f\u8f6c\u53d1\u4f5c\u7528\u3002\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528 \u4e32\u53e3\u670d\u52a1\u5668 \u7684 TCP\u5ba2\u6237\u7aef \u6a21\u5f0f\uff0c\u51c6\u5907\u5de5\u4f5c\u53ea\u9700\u8981\u4ee5\u4e0b\u51e0\u6b65\uff1a\n\n- 1.\u521b\u5efa\u9879\u76ee\uff08\u9879\u76ee\u7ba1\u7406\u2192\u65b0\u589e \u9879\u76ee\uff09\n\n- 2.\u521b\u5efa\u5206\u7ec4\uff08\u8bbe\u5907\u5206\u7ec4\u2192\u65b0\u589e \u5206\u7ec4\uff09\n\n- 3.\u521b\u5efa\u8bbe\u5907\uff08\u8bbe\u5907\u7ba1\u7406\u2192\u8bbe\u5907\u4fe1\u606f\u2192\u65b0\u589e\u8bbe\u5907\uff09\n\n- \u586b\u5199\u8bbe\u5907\u540d\u79f0\uff0c\u968f\u673a\u751f\u6210\u6216\u8005\u624b\u52a8\u586b\u5199\u8bbe\u5907\u53f7\uff0c\u5728\u8bbe\u5907\u534f\u8bae\u4e2d\u9009\u62e9ModBus RTU\uff0c\u5b9a\u4f4d\u8bbe\u5907\u6240\u5728\u7ecf\u7eac\u5ea6\uff0c\u4fdd\u5b58\u5373\u53ef\u3002\uff08\u8bbe\u5907\u53f7\u590d\u5236\u4fdd\u5b58\u5907\u7528\uff09\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412115600969.png?x-oss-process=image\/resize,m_lfit,w_950,h_787)\n\n\u5177\u4f53\u7684\u6b65\u9aa4\u8bf7\u6d4f\u89c8\uff1a[Modbus\u5165\u95e8](https:\/\/www.modbus.cn\/7856.html) \uff0c\u901a\u5e38\u51e0\u5206\u949f\u5c31\u53ef\u4ee5\u5b8c\u6210\u3002\n\n### USR-DR15X\u7cfb\u52174G DTU\u7684\u914d\u7f6e\n\n\u6253\u5f00\u6709\u4eba\u8bbe\u5907\u7ba1\u7406\u5668 \u914d\u7f6e\u8f6f\u4ef6\uff0c\u8fde\u4e0a\u7f51\u53e3\u6216\u4e32\u53e3\uff0c\u53ea\u9700\u8981\u586b\u5199\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\uff1a\n\n\u7b2c\u4e00\u6b65\uff1a\n\n- \u5de5\u4f5c\u6a21\u5f0f\uff1a\u7f51\u7edc\u900f\u4f20\u6a21\u5f0f\n\n- \u76ee\u7684IP\u6216\u57df\u540d\uff1aiot.modbus.cn\n\n- \u76ee\u7684\u7aef\u53e3\uff1a50001\n\n- \u5fc3\u8df3\u5305\uff1a\u8bbe\u5907\u53f7SN\u7801 \u4f8b\uff1aPH5myopwEbA5ehu (\u4ee5\u5b9e\u9645\u4e3a\u51c6\uff09\n\n- \u6ce8\u518c\u5305\uff1a\u8bbe\u5907\u53f7SN\u7801 \u4f8b\uff1aPH5myopwEbA5ehu (\u4ee5\u5b9e\u9645\u4e3a\u51c6\uff09\n\n- \u4fdd\u5b58\u8bbe\u7f6e\uff08\u4fdd\u5b58\uff09\n\n\u6253\u5f00\u624b\u673a\u84dd\u7259\u529f\u80fd\uff0c\u540c\u65f6\u7ed9\u5fae\u4fe1\u7684\u84dd\u7259\u6743\u9650\u6253\u5f00\uff0c\u4f7f\u7528\u5fae\u4fe1\u626b\u4e00\u626b\u529f\u80fd\u626b\u63cf USR-DR15X \u6b63\u9762\u7684\u4e8c\u7ef4\u7801\uff0c\n\u5373\u8fdb\u5165\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\uff1b\u6ce8\uff1a\u534e\u4e3a\u7b49\u5b89\u5353\u624b\u673a\u9700\u8981\u6253\u5f00\u4f4d\u7f6e\u670d\u52a1\uff08\u8bbe\u7f6e\u2013\u9690\u79c1\u2013\u4f4d\u7f6e\u670d\u52a1\uff09\uff0c\n\u82e5\u626b\u63cf\u9875\u9762\u5361\u4f4f\uff0c\u8bf7\u5c1d\u8bd5\u70b9\u51fb\u9875\u9762\u53f3\u4e0a\u89d2\u7684\u201c\u4e09\u4e2a\u5c0f\u70b9\u201d\uff0c\u70b9\u51fb\u201c\u91cd\u65b0\u8fdb\u5165\u5c0f\u7a0b\u5e8f\u201d\u3002\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175246795.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662606683-image-682x1500.png)\n\n2) \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\u81ea\u52a8\u626b\u63cf\u624b\u673a\u65c1\u8fb9\u7684 USR-DR15X \u8bbe\u5907\uff0c\u5176\u4e2d\u6bcf\u4e00\u53f0\u8bbe\u5907\u90fd\u6709\u4e0d\u540c\u7684\u84dd\n\u7259\u540d\u79f0\uff0c\u8be5\u84dd\u7259\u540d\u79f0\u4e3a\u201cUSR-DR15X-\u8bbe\u5907 IMEI \u53f7\u540e\u516d\u4f4d\u201d\uff0c\u4fbf\u4e8e\u7528\u6237\u53ef\u4ee5\u6b63\u5e38\u8bc6\u522b\u8be5\u914d\u7f6e\u54ea\u4e00\u53f0 USR-DR15X\n\u8bbe\u5907\u3002\n3) \u70b9\u51fb\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\u4e2d\u626b\u63cf\u5230\u7684 USR-DR15X \u8bbe\u5907\u540d\u79f0\uff0c\u82e5\u7b2c\u4e00\u6b21\u8fde\u63a5\uff0c\u5219\u4f1a\u5f39\u51fa\u5f39\u6846\uff0c\n\u9700\u8f93\u5165\u8fde\u63a5\u5bc6\u7801\u8fdb\u884c\u9a8c\u8bc1\uff0c\u8fde\u63a5\u5bc6\u7801\u521d\u59cb\u503c\u4e3a\u201c**usr_cn**\u201d\uff0c\u5bc6\u7801\u53ef\u4ee5\u5728\u8fdb\u5165\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u540e\u91cd\u65b0\u8fdb\u884c\u8bbe\u5b9a\uff08\u957f\u5ea6\n\u4e3a 1~10 \u4f4d\uff09\u3002\u7b2c\u4e00\u6b21\u8fde\u63a5\u6210\u529f\u540e\uff0c\u8bbe\u5907\u53ef\u81ea\u52a8\u8bb0\u5f55\u8fde\u63a5\u9a8c\u8bc1\u72b6\u6001\u3002\u518d\u6b21\u8fde\u63a5\u65f6\uff0c \u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\u4f1a\u81ea\u52a8\n\u8fdb\u5165\u4e3b\u754c\u9762\u3002\n4) \u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\u7684\u4e3b\u754c\u9762\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175247179.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662606722-image-682x1500.png)\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175247933.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662606796-image-682x1500.png)\n\n1) \u8fdb\u5165\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u201c\u8054\u535a\u58eb\u914d\u7f6e\u5de5\u5177\u201d\u4e3b\u754c\u9762\uff0c\u70b9\u51fb\u53c2\u6570\u8bbe\u7f6e\u9009\u9879\uff0c\u8fdb\u5165\u53c2\u6570\u914d\u7f6e\u754c\u9762\u3002\u754c\u9762\u5982\u4e0b\u56fe\u6240\u793a\uff0c\n\u5c0f\u7a0b\u5e8f\u4f1a\u81ea\u52a8\u83b7\u53d6\u5f53\u524d USR-DR15X \u7684\u8bbe\u7f6e\u53c2\u6570\u7136\u540e\u663e\u793a\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u754c\u9762\u4e0a\uff0c\u7528\u6237\u53ef\u4ee5\u975e\u5e38\u76f4\u89c2\u7684\u67e5\u770b\u8bbe\u5907\n\u6240\u914d\u7f6e\u7684\u503c\u3002\u7528\u6237\u53ef\u4ee5\u4fee\u6539\u53c2\u6570\u503c\uff0c\u5e76\u70b9\u51fb\u8bbe\u7f6e\u6309\u952e\u8fdb\u884c\u8bbe\u7f6e\u4fdd\u5b58\uff0c\u4fbf\u4e8e\u9002\u914d\u7528\u6237\u7684\u4e0d\u540c\u5e94\u7528\u3002\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175248368.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662606845-image-682x1500.png)\n\n[![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240407175249791.png)](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/1662606963-image-682x1500.png)\n\n## **\u8fde\u63a5 RS485 Modbus \u7ee7\u7535\u5668**\n\n\u8fd9\u91cc\u4ee58\u8def\u7ee7\u7535\u5668\u4e3a\u4f8b\uff1a\n\n### 1.\u70b9\u51fb\u201c\u6dfb\u52a0\u6570\u636e\u201d\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412115733827.png?x-oss-process=image\/resize,m_lfit,w_950,h_692)\n\n### **2.\u70b9\u51fb\u201c\u6dfb\u52a0\u4ece\u8bbe\u5907\u8282\u70b9\u201d\uff0c\u589e\u52a08\u8def\u7ee7\u7535\u5668\u63a7\u5236**\n\n**\u6ce8\u610f\u4e8b\u9879\uff08\u65b0\u624b\u77e5\u8bc6\uff09\uff1a**\n\n#### **1.\u5bc4\u5b58\u5668\u5730\u5740\u5230\u5e95\u752810\u8fdb\u5236\u8fd8\u662f16\u8fdb\u5236\uff1f**\n\n**\u4e00\u53e5\u8bdd\u7b54\u6848**\uff1a**\u770b\u8bbe\u5907\u8bf4\u660e\u4e66\u8981\u6c42**\uff0c\u4f4699%\u7684\u573a\u5408\u90fd\u7528 **16\u8fdb\u5236\u5730\u5740**\uff08\u5e260x\u5f00\u5934\u6216H\u7ed3\u5c3e\uff09\n**\u4e3a\u4ec0\u4e48**\uff1a\n\n- Modbus\u534f\u8bae\u6807\u51c6\u89c4\u5b9a\u752816\u8fdb\u5236\u5730\u5740\uff08\u6bd4\u5982 `0x0001`\uff09\uff0c\u9009\u62e916\u8fdb\u5236\u540e\uff0c\u76f4\u63a5\u586b\u540e\u9762\u76840001\n\n- \u8bbe\u5907\u5382\u5546\u624b\u518c\u901a\u5e38\u752816\u8fdb\u5236\u683c\u5f0f\n\n- \u53ea\u6709\u5c11\u6570\u8bbe\u5907\u752810\u8fdb\u5236\u5730\u5740\uff08\u7eaf\u6570\u5b57\uff0c\u5982 `40001`\uff09\n\n#### **\u4e8c\u3001\u529f\u80fd\u7801\u5bf9\u7167\u8868\uff08\u5c0f\u767d\u7248\uff09**\n\n\u529f\u80fd\u7801\u540d\u79f0\u505a\u4ec0\u4e48\u7528\uff1f\u5730\u5740\u8303\u56f4\u8bfb\u5199\u6743\u9650\u7c7b\u6bd4\u7406\u89e301H\u8bfb\u7ebf\u5708\u72b6\u6001\u8bfb\u5f00\u5173\u72b6\u6001\uff08\u5f00\/\u5173\uff090x0001~0x9999\u53ea\u8bfb\u67e5\u770b\u7535\u706f\u662f\u5426\u4eae05H\u5199\u5355\u4e2a\u7ebf\u5708\u4fee\u6539\u5355\u4e2a\u5f00\u5173\u72b6\u60010x0001~0x9999\u53ea\u5199\u6309\u5f00\u5173\u5f00\u706f\/\u5173\u706f02H\u8bfb\u79bb\u6563\u8f93\u5165\u8bfb\u4f20\u611f\u5668\u5f00\u5173\u4fe1\u53f71x0001~1x9999\u53ea\u8bfb\u770b\u95e8\u78c1\u662f\u5426\u88ab\u89e6\u53d103H\u8bfb\u4fdd\u6301\u5bc4\u5b58\u5668\u8bfb\u8bbe\u5907\u53c2\u6570\uff08\u6e29\u5ea6\u3001\u901f\u5ea6\u7b49\uff094x0001~4x9999\u8bfb\/\u5199\u67e5\u770b\u548c\u8bbe\u7f6e\u7a7a\u8c03\u6e29\u5ea606H\u5199\u5355\u4e2a\u5bc4\u5b58\u5668\u4fee\u6539\u5355\u4e2a\u53c2\u6570\u503c4x0001~4x9999\u53ea\u5199\u8c03\u6574\u7a7a\u8c03\u76ee\u6807\u6e29\u5ea604H\u8bfb\u8f93\u5165\u5bc4\u5b58\u5668\u8bfb\u4f20\u611f\u5668\u6570\u503c\uff08\u53ea\u8bfb\uff093x0001~3x9999\u53ea\u8bfb\u8bfb\u53d6\u6e29\u5ea6\u8ba1\u663e\u793a\u503c\n\n#### **\u4e09\u3001\u914d\u7f6e\u53c2\u6570\u9010\u9879\u8bf4\u660e**\n\n1. **\u8bfb\u5199\u65b9\u5f0f (R\/W)**\n\n- **\u8bfb\uff08R\uff09**\uff1a\u53ea\u80fd\u770b\u6570\u503c\uff0c\u4e0d\u80fd\u6539\uff08\u6bd4\u5982\u6e29\u5ea6\u4f20\u611f\u5668\u7684\u5b9e\u65f6\u503c\uff09\n\n- **\u5199\uff08W\uff09**\uff1a\u53ef\u4ee5\u4fee\u6539\u6570\u503c\uff08\u6bd4\u5982\u8bbe\u7f6e\u76ee\u6807\u6e29\u5ea6\uff09\n\n- **\u8bfb\u5199\uff08R\/W\uff09**\uff1a\u65e2\u80fd\u770b\u53c8\u80fd\u6539\uff08\u6bd4\u5982\u8bbe\u5907\u7684\u5de5\u4f5c\u6a21\u5f0f\uff09\n\n**2.\u6570\u636e\u683c\u5f0f\u9009\u62e9\u6307\u5357**\n\n\u6570\u636e\u7c7b\u578b\u6570\u503c\u8303\u56f4\u5178\u578b\u5e94\u7528\u573a\u666f\u6ce8\u610f\u4e8b\u9879**UINT16**0 ~ 65,535\u5f00\u5173\u72b6\u6001\u3001\u8ba1\u6570\u5668\u3001\u65e0\u8d1f\u503c\u4f20\u611f\u5668\uff08\u5982\u5149\u7167\u5f3a\u5ea60~2000lux\uff09\u4e0d\u80fd\u8868\u793a\u8d1f\u6570\uff0c\u6570\u503c\u8d85\u9650\u4f1a\u5f52\u96f6**INT16**-32,768 ~ +32,767\u6e29\u5ea6\uff08-40\u2103~+80\u2103\uff09\u3001\u6709\u65b9\u5411\u7684\u901f\u5ea6\u503c\uff08\u6b63\u53cd\u8f6c\uff09\u5904\u7406\u8d1f\u6570\u65f6\u9700\u6ce8\u610f\u7b26\u53f7\u4f4d**UINT32**0 ~ 4,294,967,295\u5927\u8303\u56f4\u8ba1\u6570\u5668\uff08\u5982\u603b\u7528\u7535\u91cf\uff09\u3001\u9ad8\u7cbe\u5ea6\u8bbe\u5907\u7f16\u7801\u5360\u75282\u4e2a\u5bc4\u5b58\u5668\uff0832\u4f4d=16\u4f4d\u00d72\uff09**INT32**-2,147,483,648 ~ +2,147,483,647\u5927\u578b\u673a\u68b0\u4f4d\u79fb\u3001\u5927\u8303\u56f4\u6e29\u6e7f\u5ea6\u5dee\u503c\u9700\u786e\u8ba4\u8bbe\u5907\u662f\u5426\u652f\u630132\u4f4d\u6570\u636e**FLOAT32**\u00b13.4\u00d710\u00b3\u2078 ~ \u00b13.4\u00d710\u00b3\u2078\u9ad8\u7cbe\u5ea6\u6d4b\u91cf\uff08\u5982\u538b\u529b3.1415kPa\uff09\u3001\u79d1\u5b66\u8ba1\u7b97\u9700\u8981\u8bbe\u5907\u652f\u6301\u6d6e\u70b9\u4f20\u8f93\u534f\u8bae\n\n**\u793a\u4f8b**\uff1a\n\n- \u6e29\u5ea6\u4f20\u611f\u5668\uff1a`INT16`\uff08-40\u2103 ~ +80\u2103\uff09\n\n- \u5149\u7167\u4f20\u611f\u5668\uff1a`UINT16`\uff080 ~ 65535 lux\uff09\n\n- \u7d2f\u8ba1\u6d41\u91cf\u8ba1\uff1a`UINT32`\uff080 ~ 42\u4ebf\u7acb\u65b9\u7c73\uff09\n\n- \u7cbe\u5bc6\u538b\u529b\u8ba1\uff1a`FLOAT32`\uff080.0001 ~ 9999.9999 kPa\uff09\n\n**3.\u5b58\u50a8\u7b56\u7565\u8be6\u89e3**\n\n\u7b56\u7565\u7c7b\u578b\u5de5\u4f5c\u65b9\u5f0f\u9002\u7528\u573a\u666f\u4f18\u7f3a\u70b9**\u53d8\u5316\u50a8\u5b58**\u6570\u503c **\u53d8\u5316\u65f6** \u81ea\u52a8\u5b58\u50a8\u5f00\u5173\u72b6\u6001\u3001\u62a5\u8b66\u4fe1\u53f7\u2705 \u8282\u7701\u5b58\u50a8\u7a7a\u95f4\n\u274c \u53ef\u80fd\u4e22\u5931\u5e73\u7a33\u671f\u6570\u636e**\u5b9e\u65f6\u50a8\u5b58**\u6570\u636e **\u7acb\u523b\u5b58\u50a8**\uff08\u6bcf\u6b21\u66f4\u65b0\uff09\u533b\u7597\u76d1\u62a4\u3001\u9ad8\u9891\u632f\u52a8\u76d1\u6d4b\u2705 \u6570\u636e\u6700\u5b8c\u6574\n\u274c \u5b58\u50a8\u538b\u529b\u5927**\u5b9a\u65f6\u50a8\u5b58**\u6309\u56fa\u5b9a\u65f6\u95f4\u95f4\u9694\u5b58\u50a8\u73af\u5883\u76d1\u6d4b\u3001\u5e38\u89c4\u8bbe\u5907\u5de1\u68c0\u2705 \u5e73\u8861\u5b58\u50a8\u4e0e\u6570\u636e\u8fde\u7eed\u6027\n\u274c \u53ef\u80fd\u9519\u8fc7\u7a81\u53d1\u53d8\u5316\n\n\u5b9a\u65f6\u50a8\u5b58\u65f6\u95f4\u9009\u62e9\u5efa\u8bae\uff1a\n\n\u65f6\u95f4\u95f4\u9694\u9002\u7528\u573a\u666f\u793a\u4f8b30\u79d2\u5feb\u901f\u53d8\u5316\u6570\u636e\u7535\u673a\u8f6c\u901f\u76d1\u63a7\u3001\u5b9e\u65f6\u4ea4\u6613\u8ba1\u65701\u5206\u949f\u5e38\u89c4\u5de5\u4e1a\u53c2\u6570\u8f66\u95f4\u6e29\u5ea6\u3001\u538b\u529b\u8bb0\u5f555\u5206\u949f\u73af\u5883\u76d1\u6d4b\u6c14\u8c61\u7ad9\u6e29\u6e7f\u5ea6\u91c7\u96c610\u5206\u949f\u80fd\u8017\u7ba1\u7406\u6bcf\u5c0f\u65f6\u7528\u7535\u91cf\u7edf\u8ba130\u5206\u949f\u957f\u671f\u8d8b\u52bf\u5206\u6790\u8bbe\u5907\u8001\u5316\u8d8b\u52bf\u8bb0\u5f55\n\n**\u573a\u666f\u793a\u4f8b**\uff1a\n\n- \u5de5\u5382\u7a7a\u538b\u673a\u538b\u529b\u76d1\u63a7\uff08\u6bcf\u79d2\u53d8\u5316\uff09\uff1a\u9009\u62e9 **\u5b9e\u65f6\u50a8\u5b58** \u6216 **30\u79d2**\n\n- \u4ed3\u5e93\u6e29\u6e7f\u5ea6\u76d1\u6d4b\uff08\u7f13\u6162\u53d8\u5316\uff09\uff1a\u9009\u62e9 **5\u5206\u949f** \u6216 **\u53d8\u5316\u50a8\u5b58**\n\n- \u667a\u80fd\u7535\u8868\u7528\u7535\u7edf\u8ba1\uff1a\u9009\u62e9 **30\u5206\u949f** + **\u53d8\u5316\u50a8\u5b58**\uff08\u53ea\u5728\u7528\u7535\u65f6\u8bb0\u5f55\uff09\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412120100403.png?x-oss-process=image\/resize,m_lfit,w_950,h_842)\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412120300607.png?x-oss-process=image\/resize,m_lfit,w_950,h_842)\n\n## **\u6279\u91cf\u8bfb**\u914d\u7f6e\uff1a\n\n**\u6ce8\u610f\u4e8b\u9879\uff08\u65b0\u624b\u77e5\u8bc6\uff09\uff1a**\n\n#### \u5bc4\u5b58\u5668\u8d77\u59cb\u5730\u5740\n\n**10\u8fdb\u5236 vs 16\u8fdb\u5236**\uff1a\n\n- \u901a\u7528\u89c4\u5219\uff1a\u5e26`4x`\/`3x`\u524d\u7f00\u7528**16\u8fdb\u5236**\uff0c\u7eaf\u6570\u5b57\u5982`40001`\u7528**10\u8fdb\u5236**\n\n#### \u8bfb\u53d6\u957f\u5ea6\uff08\u4e00\u6b21\u6027\u8bfb\u53d6\u51e0\u4e2a\u5bc4\u5b58\u5668\uff09\n\n- **\u6e29\u5ea6\u8ba1\u793a\u4f8b**\uff1a\n\u5047\u8bbe\u6e29\u5ea6\u53601\u4e2a\u5bc4\u5b58\u5668\uff0c\u6e7f\u5ea6\u53601\u4e2a\u5bc4\u5b58\u5668\n\u2192 \u8d77\u59cb\u5730\u5740\u586b\u6e29\u5ea6\u5730\u5740\uff0c\u8bfb\u53d6\u957f\u5ea6\u586b2\uff08\u4e00\u6b21\u6027\u8bfb\u6e29\u6e7f\u5ea6\uff09\n\n- **\u6700\u5927\u9650\u5236**\uff1a\u591a\u6570\u8bbe\u5907\u4e00\u6b21\u6700\u591a\u8bfb120\u4e2a\u5bc4\u5b58\u5668\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412120443417.png?x-oss-process=image\/resize,m_lfit,w_950,h_842)\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2022\/09\/20250412120552680.png?x-oss-process=image\/resize,m_lfit,w_950,h_384)\n\n\u8fd9\u4e00\u7bc7\u6211\u4eec\u4ecb\u7ecd\u4e86\u6709\u4eba\u79d1\u62804G DTU \u901a\u8fc7 TCP \u900f\u4f20\u65b9\u5f0f\u63a5\u5165 MODBUS \u7269\u8054\u7f51\u5e73\u53f0 \u7684\u8be6\u7ec6\u6b65\u9aa4\uff0c\u5c068\u8def\u7ee7\u7535\u5668\u6a21\u5757\u4e0a\u4f20\u5230\u4e91\u5e73\u53f0\uff0c\u5e76\u751f\u6210\u81ea\u5b9a\u4e49\u770b\u677f\u548c App\u3002\u8fd9\u4e9b\u6b65\u9aa4\u4e5f\u9002\u7528\u4e8e\u5176\u5b83\u5382\u5546\u7684\u652f\u6301 TCP \u900f\u4f20\u7684 4G DTU\u4ea7\u54c1\u3002\n\n---\n*modbus.cn*\n"