"# Modbus RTU\u534f\u8bae\n\n> 2024-04-02 | 2024-05-18\n> https:\/\/www.modbus.cn\/en\/docs\/modbus-rtu-xie-yi\n\n---\n\n\u6559\u7a0b\u5199\u7684\u6bd4\u8f83\u8be6\u7ec6\uff0c\u6309\u7167\u65b0\u624b\u4f7f\u7528\u6478\u7d22\u5b66\u4e60\u601d\u8def\u6765\u5199\u7684\uff0c\u9ad8\u624b\u53ef\u4ee5\u8df3\u8fc7\u61c2\u7684\u90e8\u5206\uff01\n\n### \u6b65\u9aa41\uff1a\u8d2d\u4e70\u786c\u4ef6\u8bbe\u5907\n\n\u9996\u5148\uff0c\u4f60\u9700\u8981\u8d2d\u4e70\u4e00\u4e2a**\u8054\u7f51\u8bbe\u5907**\uff0c\u5982**4G DTU**\uff08\u6570\u636e\u7ec8\u7aef\u8bbe\u5907\uff09\u6216**\u4e32\u53e3\u670d\u52a1\u5668**\u30024G DTU\u548c\u4e32\u53e3\u670d\u52a1\u5668\u662f\u5c06\u4f60\u7684\u8bbe\u5907\uff08\u5982\u4f20\u611f\u5668\uff09\u7684\u6570\u636e\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u7684\u8bbe\u5907\u3002\u9009\u62e9\u54ea\u79cd\u8bbe\u5907\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u4f60\u7684\u7f51\u7edc\u63a5\u5165\u65b9\u5f0f\u3002\u5982\u679c\u4f60\u7684\u8bbe\u5907\u9700\u8981\u901a\u8fc7\u79fb\u52a8\u7f51\u7edc\uff082G\/4G\/5G\uff09\u63a5\u5165\uff0c\u90a3\u4e48\u5c31\u9009\u62e94G DTU\u3002\u5982\u679c\u4f60\u7684\u8bbe\u5907\u901a\u8fc7\u6709\u7ebf\u7f51\u7edc\uff08\u63d2\u7f51\u7ebf\uff09\u63a5\u5165\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u9009\u62e9\u4e32\u53e3\u670d\u52a1\u5668\u3002\n\n### \u6b65\u9aa42\uff1a\u8bbe\u5907\u63a5\u7ebf\n\n\u8d2d\u4e70\u8bbe\u5907\u540e\uff0c\u4f60\u9700\u8981\u8fdb\u884c\u8bbe\u5907\u63a5\u7ebf\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u8bbe\u5907\uff0c\u4f60\u53ef\u80fd\u4f1a\u770b\u5230A\u3001B\u3001 V\uff0812V+\uff09 \u548c G (12V-) \u8fd9\u6837\u7684\u6807\u7b7e\uff1a\n\nA\uff08\u901a\u5e38\u6307RS485\u7684A\u7ebf\uff09\u8fde\u63a5\u5230\u8bbe\u5907\u7684A\u7ebf\nB\uff08\u901a\u5e38\u6307RS485\u7684B\u7ebf\uff09\u8fde\u63a5\u5230\u8bbe\u5907\u7684B\u7ebf\nV\uff08\u76f4\u6d41\u7535\u6e90\u6b63\u6781\uff09\u8fde\u63a5\u5230\u8bbe\u5907\u7684\u7535\u6e90\u6b63\u6781\nG\uff08\u76f4\u6d41\u7535\u6e90\u8d1f\u6781\uff09\u8fde\u63a5\u5230\u8bbe\u5907\u7684\u7535\u6e90\u8d1f\u6781\n\n\u8bf7\u786e\u4fdd\u6240\u6709\u7684\u7ebf\u8def\u8fde\u63a5\u6b63\u786e\u5e76\u4e14\u7262\u56fa\uff0c\u4ee5\u907f\u514d\u63a5\u89e6\u4e0d\u826f\u6216\u8005\u77ed\u8def\u3002\n\n### \u6b65\u9aa43\uff1a\u8bbe\u5907\u914d\u7f6e\n\n\u5728\u8bbe\u5907\u63a5\u7ebf\u5b8c\u6210\u540e\uff0c\u4f60\u9700\u8981\u5bf9 DTU \/ \u4e32\u53e3\u670d\u52a1\u5668 \u8bbe\u5907\u8fdb\u884c\u914d\u7f6e\u3002\n\n\u540d\u79f0\u8bf4\u660e\u5de5\u4f5c\u6a21\u5f0fTCP \u5ba2\u6237\u7aef \/ TCP Client \/ \u7f51\u7edc\u900f\u4f20\u6a21\u5f0f...\u670d\u52a1\u5668\u5730\u5740\u670d\u52a1\u5668\u7aef\u5730\u5740 \/ \u8fdc\u7a0b\u670d\u52a1\u5668\u5730\u5740 \/\u76ee\u7684IP\u6216\u57df\u540d...\n**iot.modbus.cn**\u7aef\u53e3\u53f7\u8fdc\u7a0b\u7aef\u53e3\u53f7 \/ \u670d\u52a1\u5668\u7aef\u53e3\u53f7 \/ \u76ee\u7684\u7aef\u53e3 \/\u7aef\u53e3\u53f7...\n**50001**\u6ce8\u518c\u5305\u4e00\u822c\u9ed8\u8ba4\u5173\u95ed\uff0c\u9700\u8981\u6253\u5f00\u540e\u4f7f\u7528\uff0c\u7136\u540e\u9009\u62e9 \u81ea\u5b9a\u4e49\u6ce8\u518c\u5305 \/ \u6ce8\u518c\u5305\u5185\u5bb9\n\u586b\u5199\u8bbe\u5907\u521b\u5efa\u540e\u751f\u6210\u7684 **\u8bbe\u5907\u53f7SN** \u4f8b\u5982\uff1a 4QR8TZ9ThuL4G\u5fc3\u8df3\u5305\u4e00\u822c\u9ed8\u8ba4\u5173\u95ed\uff0c\u9700\u8981\u6253\u5f00\u540e\u4f7f\u7528\uff0c\u7136\u540e\u9009\u62e9 \u81ea\u5b9a\u4e49\u5fc3\u8df3\u5305 \/ \u5fc3\u8df3\u5305\u5185\u5bb9\n\u586b\u5199\u8bbe\u5907\u521b\u5efa\u540e\u751f\u6210\u7684 **\u8bbe\u5907\u53f7SN **\u4f8b\u5982\uff1a 4QR8TZ9ThuL4G\u5fc3\u8df3\u5305\u65f6\u95f4\u5fc3\u8df3\u5305\u65f6\u95f4 \/ \u5fc3\u8df3\u5305\u95f4\u9694\n\u4e00\u822c\u8bbe\u7f6e\u4e3a20~60\u79d2\u6ce2\u7279\u7387\u53c2\u7167 \u4f20\u611f\u5668\u6216\u8005485\u8bbe\u5907\u8bf4\u660e\u4e66\u5b9a\u4e49\u4e3a\u51c6\u3002\u4e0b\u9762\u4ec5\u4e3a\u5c1d\u8bd5\u53c2\u8003 \uff08\u901a\u5e38\u8bbe\u7f6e\u4e3a9600\uff09\u6570\u636e\u4f4d\u53c2\u7167 \u4f20\u611f\u5668\u6216\u8005485\u8bbe\u5907\u8bf4\u660e\u4e66\u5b9a\u4e49\u4e3a\u51c6\u3002\u4e0b\u9762\u4ec5\u4e3a\u5c1d\u8bd5\u53c2\u8003 \uff08\u901a\u5e38\u8bbe\u7f6e\u4e3a8\uff09\u6821\u9a8c\u4f4d\u53c2\u7167 \u4f20\u611f\u5668\u6216\u8005485\u8bbe\u5907\u8bf4\u660e\u4e66\u5b9a\u4e49\u4e3a\u51c6\u3002\u4e0b\u9762\u4ec5\u4e3a\u5c1d\u8bd5\u53c2\u8003 \uff08\u901a\u5e38\u8bbe\u7f6e\u4e3aNone\uff09\u505c\u6b62\u4f4d\u53c2\u7167 \u4f20\u611f\u5668\u6216\u8005485\u8bbe\u5907\u8bf4\u660e\u4e66\u5b9a\u4e49\u4e3a\u51c6\u3002\u4e0b\u9762\u4ec5\u4e3a\u5c1d\u8bd5\u53c2\u8003 \uff08\u901a\u5e38\u8bbe\u7f6e\u4e3a1\uff09\n\n### \u8bbe\u5907\u914d\u7f6e\u793a\u4f8b\uff1a\n\n**\u5854\u77f3\u516c\u53f8**\n**TAS-LAN-461**\n\n- \u5de5\u4f5c\u6a21\u5f0f\uff1aTCP Client\n\n- \u8fdc\u7a0b\u670d\u52a1\u5668\u5730\u5740\uff1aiot.modbus.cn\n\n- \u8fdc\u7a0b\u7aef\u53e3\uff1a50001\n\n**\u6ce8\u518c\u5305**\n\n\u6ce8\u518c\u5305\u7c7b\u578b\uff1a\u81ea\u5b9a\u4e49\u6ce8\u518c\u5305\n\u6ce8\u518c\u5305\u6a21\u5f0f\uff1a\u8fde\u63a5\u53d1\u9001\n\u6ce8\u518c\u5305\u5185\u5bb9\uff1a\u4f8b\u5b50\uff1a4QR8TZ9ThuL4G \uff0c\u5176\u4e2d 4QR8TZ9ThuL4G \u4e3a\u8bbe\u5907 SN \u53f7\uff0c\u9700\u8981\u66ff\u6362\u4e3a\u81ea\u5df1\u7684\u8bbe\u5907\u53f7SN;\uff08**\u8bf7\u9009\u62e9ASCII**\uff09\n\n**\u5fc3\u8df3\u5305**\n\n\u5fc3\u8df3\u5305\u4f7f\u80fd\uff1a\u7f51\u7edc\u5fc3\u8df3\u5305\n\u5fc3\u8df3\u5305\u5185\u5bb9\uff1a\u4f8b\u5b50\uff1a4QR8TZ9ThuL4G \uff0c\u5176\u4e2d 4QR8TZ9ThuL4G \u4e3a\u8bbe\u5907 SN \u53f7\uff0c\u9700\u8981\u66ff\u6362\u4e3a\u81ea\u5df1\u7684\u8bbe\u5907\u53f7SN\uff1b\uff08**\u8bf7\u9009\u62e9ASCII**\uff09\n\u5fc3\u8df3\u5305\u65f6\u95f4\uff1a30~60s\u4e3a\u5b9c\n\n### \u6b65\u9aa44\uff1a\u63a5\u5165\u7269\u8054\u7f51\u5e73\u53f0\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- \u521b\u5efa\u9879\u76ee\uff08\u9879\u76ee\u7ba1\u7406\u2192\u65b0\u589e\u9879\u76ee\uff09\u3002\n\n- \u521b\u5efa\u8bbe\u5907\uff08\u8bbe\u5907\u7ba1\u7406\u2192\u8bbe\u5907\u914d\u7f6e\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\/2024\/04\/20240402161337188.jpg?x-oss-process=image\/resize,m_lfit,w_950,h_609)\n\n\u5177\u4f53\u7684\u6b65\u9aa4\u8bf7\u6d4f\u89c8\uff1aModbus\u5165\u95e8 \uff0c\u901a\u5e38\u51e0\u5206\u949f\u5c31\u53ef\u4ee5\u5b8c\u6210.\n\n### ZLAN5143\u4e32\u53e3\u670d\u52a1\u5668\u7684\u914d\u7f6e(\u793a\u4f8b\uff09\n\n\u6253\u5f00 \u5353\u5c9a \u865a\u62df\u4e32\u53e3&\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\u7b2c\u4e00\u6b65\uff1a\n\n- \u5de5\u4f5c\u6a21\u5f0f\uff1aTCP \u5ba2\u6237\u7aef\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\uff1a4QR8TZ9ThuL4G (\u4ee5\u5b9e\u9645\u4e3a\u51c6\uff09\n\n- \u6ce8\u518c\u5305\uff1a\u8bbe\u5907\u53f7SN\u7801 \u4f8b\uff1a4QR8TZ9ThuL4G (\u4ee5\u5b9e\u9645\u4e3a\u51c6\uff09\n\n- \u4fee\u6539\u914d\u7f6e\uff08\u4fdd\u5b58\uff09 \n\n\u5982\u4e0b\u56fe\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161503580.jpg)\n\n\u7b2c\u4e8c\u6b65\uff1a\n\u70b9\u51fb\u201c\u56fa\u4ef6\u4e0e\u914d\u7f6e\u201d\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161538238.jpg)\n\nC\u76d8\u65b0\u5efa\u4e00\u4e2a\u201dweb\u201d\u7a7a\u6587\u4ef6\u5939\uff0c\u9009\u62e9\u8fd9\u4e2a\u6587\u4ef6\u5939\uff0c\u7136\u540e\u70b9\u51fb\u201c\u6ce8\u518c\u5305\u201d\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161601324.jpg)\n\n\u6ce8\u518c\u5305\u548c\u5fc3\u8df3\u5305\u201dASCII\u201d\u683c\u5f0f\u90fd\u5148\u6253\u94a9\uff0c\u7136\u540e\u586b\u5165\u4e91\u5e73\u53f0\u751f\u6210\u7684\u8bbe\u5907\u53f7\uff0c\u5fc3\u8df3\u5305\u95f4\u9694\u8f93\u5165\u201c60\u201d\u79d2\uff0c\u70b9\u51fb\u786e\u5b9a\u8fdb\u884c\u4fdd\u5b58\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161624107.jpg)\n\n\u8df3\u8f6c\u9875\u9762\u540e\uff0c\u70b9\u51fb\u201c\u4e0b\u8f7d\u201d\u5373\u53ef\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161654246.jpg)\n\n### Modbus \u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u63a5\u5165 \uff08\u793a\u4f8b\uff09\n\n\u6253\u5f00\u8bbe\u5907\u7ba1\u7406\u2192\u8bbe\u5907\u914d\u7f6e\u2192\u9009\u62e9\u521a\u521a\u6dfb\u52a0\u7684\u8bbe\u5907\uff0c\u7136\u540e\u70b9\u51fb\u201c +\u6dfb\u52a0\u6570\u636e \u201d\u3002\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402161827211.jpg?x-oss-process=image\/resize,m_lfit,w_950,h_520)\n\n#### **\u67e5\u770b\u6e29\u6e7f\u5ea6\u4f20\u611f\u5668\u8bf4\u660e\u4e66**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240518231552224.png)\n\n**\u5bc4\u5b58\u5668\u8bf4\u660e**\n\n\u5bc4\u5b58\u5668\u4e3a modbus \u4ece\u673a\u7684\u5bc4\u5b58\u5668\u504f\u79fb\u5730\u5740\uff0c\u65e5\u5e38\u6211\u4eec\u6d4f\u89c8\u8bbe\u5907\u8bf4\u660e\u4e66\u65f6\uff0c\u4e00\u822c\u4f1a\u6709 2 \u79cd\u5f62\u5f0f\uff1a \n\n**\u5bc4\u5b58\u5668\u5730\u5740 **\n\n\u5982 \u6e7f\u5ea6\u5bc4\u5b58\u5668\u5730\u5740\u4e3a **0000H**\uff0c\u6e7f\u5ea6\u4f20\u611f\u5668\u5c5e\u6027\u5bc4\u5b58\u5668\u5730\u5740\u4e3a 1\n\n**PLC \u6216\u8005\u7ec4\u6001\u5730\u5740**\n\n\u5982\u679c\u662fPLC\u5730\u5740\uff0c\u5927\u5bb6\u5728**\u5bc4\u5b58\u5668**\u5730\u5740\u9009\u62e9** 16\u8fdb\u5236** \uff0c\u7136\u540e\u5de6\u4fa7\u4e0b\u62c9\u9009\u62e9**4x**,\u7136\u540e\u8f93\u5165\u540e\u9762\u7684\u5b8c\u6574\u6570\u5b57\u5373\u53ef\u3002\n\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u7ed3\u5408\u5382\u5bb6\u8bf4\u660e\u4e66\uff0c\u6211\u4eec\u5f97\u5230 \u6e29\u5ea6\u7684\u5bc4\u5b58\u5668\u662f0\uff0c\u6e7f\u5ea6\u7684\u5bc4\u5b58\u5668\u662f1\n\n**\u6e7f\u5ea6**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240518233909734.png)\n\n**\u6e29\u5ea6**\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/05\/20240518234040957.png)\n\n\u6e29\u5ea6\u548c\u6e7f\u5ea6\u6dfb\u52a0\u5b8c\u6210\u540e\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402162055275.jpg?x-oss-process=image\/resize,m_lfit,w_950,h_240)\n\n### \u6269\u5c55\u8d44\u6599\uff1a\n\n**\u8bfb\u5199\u6307\u4ee4\u8bf4\u660e**\n\n\u540d\u79f0\u8bf4\u660e\u6570\u636e\u7c7b\u578b\u25cf\u6570\u636e\u5c5e\u6027\n\u25cf\u914d\u7f6e\u5c5e\u6027\u6570\u636e\u8282\u70b9\u7c7b\u578b\u25cf\u6570\u636e\u5c5e\u6027\n\u25cf\u914d\u7f6e\u5c5e\u6027\n\u25cf\u6570\u503c\u7c7b\u578b\n\u25cf\u72b6\u6001\u7c7b\u578b\n\u25cf\u5f00\u5173\u7c7b\u578b\n\u25cfGPS\u7c7b\u578b\n\u25cf\u663e\u793a\u578b\n\u25cf\u70b9\u52a8\u578b\u4ece\u8bbe\u5907\u5730\u5740\u5730\u5740\u53f7\u4e3a modbus \u4ece\u673a\u8bbe\u5907\u7684\u5730\u5740\uff0c\u5b83\u7684\u8303\u56f4\u4e3a 1~255\u5bc4\u5b58\u5668\u5bc4\u5b58\u5668\u4e3a modbus \u4ece\u673a\u7684\u5bc4\u5b58\u5668\u504f\u79fb\u5730\u5740\uff0c\u65e5\u5e38\u6211\u4eec\u6d4f\u89c8\u8bbe\u5907\u8bf4\u660e\u4e66\u65f6\uff0c\u4e00\u822c\u4f1a\u6709 2 \u79cd\u5f62\u5f0f\uff1a\n**PLC\u5730\u5740\/\u7ec4\u6001\u5730\u5740**\uff0816\u8fdb\u5236\uff09\n\u7ebf\u5708\u72b6\u6001(0x0001~0x9999\uff09\n\u79bb\u6563\u8f93\u5165\uff081x0001~1x9999)\n\u4fdd\u6301\u5bc4\u5b58\u5668\uff084x0001~4x9999)\n\u8f93\u5165\u5bc4\u5b58\u5668\uff083x0001~3x9999)\n\u5982\u679c\u4e3aPLC\u5730\u5740\u4e00\u822c\u5219\u4e3a\u53bb\u6389\u6700\u9ad8\u4f4d\uff0c\u5728\u51cf\u53bb 1 \u5219\u53ef\uff0c\u5982 40001\uff0c\u53bb\u6389\u6700\u9ad8\u4f4d\u53d8\u4e3a 0001\uff0c\u51cf\u53bb 1\uff0c\u5219\u4e3a 0  , 40001 -> 0\uff0c40002 -> 1 \uff0c\u8fd9\u91cc\u5927\u5bb6\u4e00\u5b9a\u4e0d\u80fd\u6df7\u6dc6\u3002\n\u5982\u679c\u5730\u5740\u4e3a0000H , 0001H,\u8fd9\u6837\u7684\u5c31\u4e0d\u7528\u51cf\u4e86\uff0c\u76f4\u63a5\u586b\u51990000\u5373\u53ef\uff01\n**\u6ce8\u610f\uff1a**\u662f\u5426\u51cf\u5730\u5740\uff0c\u81ea\u5df1\u53ef\u4ee52\u79cd\u90fd\u52a0\u4e0a\u6d4b\u8bd5\uff0c\u90e8\u5206\u5382\u5546\u4e0d\u7528\u51cf\uff01\uff01\uff01\n\n**10\u8fdb\u5236\uff1a**\u90e8\u5206\u5382\u5546\u5bc4\u5b58\u5668\u4e3a10\u8fdb\u5236\uff0c\u6839\u636e\u4f7f\u7528\u9009\u62e9\u5373\u53ef\uff01\u50a8\u5b58\u7b56\u7565\u25cf\u53d8\u5316\u50a8\u5b58 (\u6570\u503c\u53d1\u751f\u53d8\u52a8\u65f6\u8fdb\u884c\u50a8\u5b58\uff09\n\u25cf\u5b9e\u65f6\u50a8\u5b58\uff08\u6570\u636e\u7acb\u5373\u50a8\u5b58\uff0c\u4ee5\u4fdd\u7559\u6570\u636e\u7684\u5b9e\u65f6\u6027\uff09\n\u25cf30S\n\u25cf1min\n\u25cf5min\n\u25cf30min\n\u25cf1h\n\u25cf1day\u6570\u636e\u7cbe\u5ea6\u6570\u636e\u7cbe\u5ea6\u4e3a\u6570\u636e\u7684\u6709\u6548\u4f4d\u6570\uff0c\u6bd4\u5982\u4f20\u9012\u7684\u6570 10.234\uff0c\u5982\u679c\u6570\u636e\u7cbe\u5ea6\u9009\u62e9 2\uff0c\u5219\u5c0f\u6570\u70b9\u7b2c\n\u4e09\u4f4d\u4f1a\u88ab\u56db\u820d\u4e94\u5165\u53d8\u4e3a 10.23\uff0c\u5176\u4ed6\u7c7b\u4f3c\u3002\u516c\u5f0f\u5904\u7406(\u5e73\u53f0->\u8bbe\u5907)\u516c\u5f0f\u5904\u7406\uff08\u8bbe\u5907->\u5e73\u53f0\uff09\u4e3a\u91c7\u96c6\u8fc7\u6765\u7684\u6570\u636e\uff0c\u7ecf\u8fc7\u516c\u5f0f\u8ba1\u7b97\u540e\u50a8\u5b58\u548c\u5c55\u793a\u4f7f\u7528\uff0c\u6bd4\u5982\u91c7\n\u96c6\u5230\u6570\u503c\u662f 100\uff0c\u6211\u4eec\u8981\u9664\u4ee5 10 \u4f7f\u7528\uff0c\u5219\u53ef\u4ee5\u586b\u5199 x\/10 \u5373\u53ef\u3002\u516c\u5f0f\u5904\u7406(\u8bbe\u5907->\u5e73\u53f0)\u5e73\u53f0->\u8bbe\u5907\u7684\u516c\u5f0f\u662f\u5199\u6570\u636e\u7684\u65f6\u5019\u4f7f\u7528\u3002\u529f\u80fd\u7801\u25cf01\/05 --- \u5bf9\u5f00\u5173\u91cf\uff08bit\u4f4d\uff09\u8fdb\u884c\u8bfb\u5199\uff0c\u5199\u5165\u9ed8\u8ba4\u4f7f\u752805\u529f\u80fd\u7801\n\u25cf02 --- \u5bf9\u5f00\u5173\u91cf\uff08bit\u4f4d\uff09\u8fdb\u884c\u8bfb\uff0c\u662f\u53ea\u8bfb\u7684\uff0c\u4e0d\u5141\u8bb8\u5199\u5165\n\u25cf03\/06 --- \u5bf9\u6574\u5f62\/\u6d6e\u70b9\u578b\u6570\u636e\u8fdb\u884c\u8bfb\u5199\uff0c\u5199\u5165\u9ed8\u8ba4\u4f7f\u752806\u529f\u80fd\u7801\n\u25cf04 --- \u5bf9\u6574\u5f62\/\u6d6e\u70b9\u578b\u6570\u636e\u8fdb\u884c\u8bfb\uff0c\u53ea\u8bfb\u4e0d\u5199\u8bfb\u5199\u65b9\u5f0f\u25cf\u53ea\u8bfb\n\u25cf\u8bfb\u5199\u6570\u636e\u683c\u5f0f\u25cf16\u4f4d\u6709\u7b26\u53f7\u6570\uff08UINT16\uff09\uff1a\u5360\u75281\u4e2a\u504f\u7f6e\uff0c2\u4e2a\u5b57\u8282\uff0c\u8868\u793a\u6b63\u8d1f\u6574\u6570\uff0c\u6570\u636e\u8303\u56f4-32768~32767\u3002\n\u25cf16\u4f4d\u65e0\u7b26\u53f7\u6570(INT16)\uff1a\u5360\u75281\u4e2a\u504f\u7f6e\uff0c2\u4e2a\u5b57\u8282\uff0c\u8868\u793a\u6b63\u6574\u6570\uff0c\u6570\u636e\u8303\u56f40~65535\u3002\n\u25cf32\u4f4d\u6709\u7b26\u53f7\u6570(UINT32)\uff1a\u5360\u75282\u4e2a\u504f\u7f6e\uff0c4\u4e2a\u5b57\u8282\uff0c\u8868\u793a\u6b63\u8d1f\u6574\u6570\uff0c\u6570\u636e\u8303\u56f4- 2147483648~ 2147483647\u3002\n\u25cf32\u4f4d\u65e0\u7b26\u53f7\u6570(INT32)\uff1a\u5360\u75282\u4e2a\u504f\u7f6e\uff0c4\u4e2a\u5b57\u8282\uff0c\u8868\u793a\u6b63\u6574\u6570\uff0c\u6570\u636e\u8303\u65870~ 4294967295\u3002\n\u25cf32\u4f4d\u6d6e\u70b9\u578b\u6570(FLOAT32)\uff1a\u5360\u75282\u4e2a\u504f\u7f6e\uff0c4\u4e2a\u5b57\u8282\uff0c\u53ef\u8868\u793a\u6b63\u6570\u3001\u8d1f\u6570\u3001\u6b63\u6570\u3001\u5c0f\u6570\u3002\u6570\u636e\u987a\u5e8f\u25cfA B\n\u25cfB A\n\u25cfA B C D\n\u25cfC D B A\n\u25cfD C B A\n\u25cfB A D C\n\n### \u4e0d\u540c\u7c7b\u578b\u8bbe\u5907\u5feb\u6377\u53c2\u6570\u793a\u4f8b\n\n**\u7ee7\u7535\u5668 \/ \u6267\u884c\u5668 \/ \u5f00\u5173\u7c7b \u8bbe\u7f6e**\n\u6570\u636e\u7c7b\u578b - \u6570\u636e\u5c5e\u6027\n\u8bbe\u5907\u8282\u70b9\u7c7b\u578b - \u5f00\u5173\u7c7b\u578b\n\u5b58\u50a8\u7b56\u7565 - 1min\n\u5355\u4f4d - \u6253\u5f00\/\u5173\u95ed\n\u5c5e\u6027\u540d\u79f0 - Modbus\nModbus\u529f\u80fd\u7801 - 01\/05\n\u8bfb\u5199\u65b9\u5f0f - \u8bfb\u5199\n\u6570\u636e\u683c\u5f0f - 16\u4f4d\u65e0\u7b26\u53f7\n\u6570\u636e\u987a\u5e8f - A B\n**IO\u8f93\u5165 \/ \u8bbe\u5907\u72b6\u6001 \/ \u6307\u793a\u706f\u72b6\u6001 \u8bbe\u7f6e**\n\u6570\u636e\u7c7b\u578b - \u6570\u636e\u5c5e\u6027\n\u8bbe\u5907\u8282\u70b9\u7c7b\u578b - \u72b6\u6001\u7c7b\u578b\n\u5b58\u50a8\u7b56\u7565 - 30S\n\u5355\u4f4d - \u6253\u5f00\/\u5173\u95ed \u6216\u8005 \u6709\u4eba\/\u65e0\u4eba\n\u5c5e\u6027\u540d\u79f0 - Modbus\nModbus\u529f\u80fd\u7801 - 02 \uff08\u4e5f\u53ef\u80fd\u662f01\uff0c\u5177\u4f53\u53c2\u7167\u8bf4\u660e\u4e66\uff0c\u4e00\u822c\u752802\u8bfb\uff09\n\u8bfb\u5199\u65b9\u5f0f - \u53ea\u8bfb\n\u6570\u636e\u683c\u5f0f - 16\u4f4d\u65e0\u7b26\u53f7\n\u6570\u636e\u987a\u5e8f - A B\n**\u4f20\u611f\u5668 \/ \u6570\u503c\u7c7b \u8bbe\u7f6e\uff08\u53ea\u8bfb\uff09**\n\u6570\u636e\u7c7b\u578b - \u6570\u636e\u5c5e\u6027\n\u8bbe\u5907\u8282\u70b9\u7c7b\u578b - \u6570\u503c\u7c7b\u578b\n\u5b58\u50a8\u7b56\u7565 - 1min\n\u5355\u4f4d - \u6839\u636e\u5b9e\u9645\u5355\u4f4d\u9009\u62e9 \uff08\u6253\u5f00\/\u5173\u95ed\u9664\u5916\u7684\uff09\n\u5c5e\u6027\u540d\u79f0 - Modbus\nModbus\u529f\u80fd\u7801 - 03\/06\n\u8bfb\u5199\u65b9\u5f0f - \u53ea\u8bfb\n\u6570\u636e\u683c\u5f0f - \uff08\u6839\u636e\u8bf4\u660e\u4e66\u8bf4\u660e\u9009\u62e9\uff09\n\u6570\u636e\u987a\u5e8f - \uff08\u6839\u636e\u8bf4\u660e\u4e66\u8bf4\u660e\u9009\u62e9\uff09\n**\u4f20\u611f\u5668 \/ \u6570\u503c\u7c7b \u8bbe\u7f6e\uff08\u8bfb\u5199\uff09**\n\u6570\u636e\u7c7b\u578b - \u914d\u7f6e\u5c5e\u6027 \uff08\u4e0d\u540c\u70b9\u5728\u8fd9\u91cc\uff09\n\u5b58\u50a8\u7b56\u7565 - 1min\n\u5c5e\u6027\u9ed8\u8ba4\u503c - \u9ed8\u8ba4\u6570\u503c\uff0c\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u586b\u5199\n\u5355\u4f4d - \u6839\u636e\u5b9e\u9645\u5355\u4f4d\u624b\u52a8\u586b\u5199\n\u53c2\u6570\u914d\u7f6e -\n\u5c5e\u6027\u540d\u79f0 - Modbus\nModbus\u529f\u80fd\u7801 - 03\/06\n\u8bfb\u5199\u65b9\u5f0f - \u53ea\u8bfb\n\u6570\u636e\u683c\u5f0f - \uff08\u6839\u636e\u8bf4\u660e\u4e66\u8bf4\u660e\u9009\u62e9\uff09\n\u6570\u636e\u987a\u5e8f - \uff08\u6839\u636e\u8bf4\u660e\u4e66\u8bf4\u660e\u9009\u62e9\uff09\n\n\u4ece\u8bbe\u5907\u5730\u574010\u8fdb\u5236\u4e0e16\u8fdb\u5236\u8f6c\u6362\u5bf9\u7167\u8868\uff1a\n\uff08Modbus\u7269\u8054\u7f51\u5e73\u53f0Modbus RTu\u534f\u8bae\u4e0b\u9700\u4f7f\u752810\u8fdb\u5236\u5730\u5740\uff09\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2024\/04\/20240402162414737.png)\n\n---\n*modbus.cn*\n"