"# 485\u667a\u80fd\u9762\u677f\u4ea7\u54c1\u8bf4\u660e\u4e66\n\n> 2025-05-29 | 2026-06-25\n> https:\/\/www.modbus.cn\/en\/31247.html\n\n**\u4ea7\u54c1\u8bf4\u660e\u4e66**\n\n---\n\n### **\u4e00\u3001\u4ea7\u54c1\u6982\u8ff0**\n\n485\u667a\u80fd\u9762\u677f\u662f\u4e00\u6b3e\u57fa\u4e8eRS485\u603b\u7ebf\u7684\u5de5\u4e1a\u7ea7\u63a7\u5236\u7ec8\u7aef\uff0c\u652f\u6301\u5f31\u7535\uff08DC12\/24V\uff09\u4e0e\u5f3a\u7535\uff08AC220V\uff09\u53cc\u7248\u672c\uff0c\u9002\u7528\u4e8e\u667a\u80fd\u5bb6\u5c45\u3001\u5de5\u4e1a\u81ea\u52a8\u5316\u3001\u697c\u5b87\u63a7\u5236\u7b49\u573a\u666f\u3002\u6838\u5fc3\u529f\u80fd\u5305\u62ec\uff1a\n\n- **\u6309\u952e\u81ea\u5b9a\u4e49\u6307\u4ee4**\uff1a\u652f\u6301ASCII\u5b57\u7b26\u4e32\/\u5341\u516d\u8fdb\u5236\u6307\u4ee4\u3001\u591a\u52a8\u4f5c\u89e6\u53d1\uff08\u6309\u4e0b\/\u677e\u5f00\/\u957f\u6309\uff09\u3001\u4e24\u7ec4\u6307\u4ee4\u5faa\u73af\u53d1\u9001\u3002\n\n- **\u7075\u6d3b\u63a7\u5236**\uff1a\u72ec\u7acb\u7ba1\u7406\u80cc\u5149\u706f\u3001\u6309\u952e\u6307\u793a\u706f\u30014\u8def\u7ee7\u7535\u5668\u3002\n\n- **\u53cc\u534f\u8bae\u652f\u6301**\uff1a\u517c\u5bb9\u6807\u51c6Modbus RTU\u53ca\u5382\u5bb6\u81ea\u5b9a\u4e49\u534f\u8bae\u3002\n\n- **\u8fdc\u7a0b\u7ba1\u7406**\uff1a\u901a\u8fc7\u914d\u7f6e\u8f6f\u4ef6\u4fee\u6539\u53c2\u6570\u3001\u5347\u7ea7\u56fa\u4ef6\u3001\u8c03\u8bd5\u8bbe\u5907\u3002\n\n### **\u4e8c\u3001\u4ea7\u54c1\u89c4\u683c**\n\n#### 1. **\u786c\u4ef6\u7c7b\u578b**\n\n**\u9879\u76ee****\u5f31\u7535\u9762\u677f****\u5f3a\u7535\u9762\u677f****\u4f9b\u7535**DC12\/24VAC220V**\u7ee7\u7535\u5668**\u65e0\uff08\u9700\u5916\u63a5\u6267\u884c\u5668\uff094\u8def\u72ec\u7acb\u7ee7\u7535\u5668\u8f93\u51fa**\u63a5\u7ebf\u7aef\u5b50**VCC, A, B, GNDL\/N\uff08\u4f9b\u7535\uff09, A\/B\uff08485\uff09, L1-L4\uff08\u7ee7\u7535\u5668\uff09**\u901a\u4fe1\u63a5\u53e3**RS485\uff08A\/B\u7ebf\uff09RS485\uff08A\/B\u7ebf\uff09\n\n#### 2. **\u6280\u672f\u53c2\u6570**\n\n**\u9879\u76ee****\u53c2\u6570****\u5730\u5740\u8303\u56f4**1~42\uff080x01~0x2A\uff09\uff0c\u5e7f\u64ad\u5730\u57400xFF**\u4e32\u53e3\u9ed8\u8ba4\u53c2\u6570**\u6ce2\u7279\u73879600\u30018\u6570\u636e\u4f4d\u30011\u505c\u6b62\u4f4d\u3001\u65e0\u6821\u9a8c**\u81ea\u5b9a\u4e49\u5b58\u50a8**NR-X9P\uff1a256\u5b57\u8282\uff1bNR-SWRS\u7cfb\u5217\uff1a512\u5b57\u8282**\u6307\u4ee4\u5ef6\u65f6**\u7edf\u4e00\u5ef6\u65f6\uff08\u5168\u5c40\uff09\u6216\u72ec\u7acb\u5ef6\u65f6\uff08\u6bcf\u6761\u6307\u4ee4\uff09\n\n### **\u4e09\u3001\u5b89\u88c5\u4e0e\u63a5\u7ebf**\n\n#### 1. **\u5f31\u7535\u9762\u677f\u63a5\u7ebf**\n\n- **\u7aef\u5b50\u5b9a\u4e49**\uff1a`VCC`\uff08\u7535\u6e90\u6b63\u6781\uff09\u3001`GND`\uff08\u7535\u6e90\u5730\uff09\u3001`A`\uff08RS485 A\u7ebf\uff09\u3001`B`\uff08RS485 B\u7ebf\uff09\u3002\n\n- **\u63a5\u7ebf\u6b65\u9aa4**\uff1a\n\n- VCC\/GND \u63a5 DC12\/24V \u7535\u6e90\u3002\n\n- A\/B \u63a5\u5165 RS485 \u603b\u7ebf\u3002\n\n#### 2. **\u5f3a\u7535\u9762\u677f\u63a5\u7ebf**\n\n- **\u7aef\u5b50\u5b9a\u4e49**\uff1a\n\n- `L\/N`\uff1a\u63a5AC220V\u706b\u7ebf\/\u96f6\u7ebf\u3002\n\n- `A\/B`\uff1a\u63a5RS485\u603b\u7ebf\u3002\n\n- `L1-L4`\uff1a4\u8def\u7ee7\u7535\u5668\u8f93\u51fa\uff08\u63a5\u8d1f\u8f7d\uff09\u3002\n\n- **\u63a5\u7ebf\u6b65\u9aa4**\uff1a\n\n- L\/N \u63a5AC220V\u7535\u6e90\u3002\n\n- A\/B \u63a5\u5165RS485\u603b\u7ebf\u3002\n\n- L1-L4 \u63a5\u8d1f\u8f7d\u8bbe\u5907\uff08\u5982\u706f\u5177\u3001\u7535\u673a\uff09\u3002\n\n### **\u56db\u3001\u529f\u80fd\u914d\u7f6e**\n\n#### 1. **\u5730\u5740\u8bbe\u7f6e**\n\n- **\u8f6f\u4ef6\u4fee\u6539**\uff1a\n\n- \u7528USB\u8f6c485\u7ebf\u8fde\u63a5\u9762\u677f\u4e0e\u7535\u8111\u3002\n\n- \u6253\u5f00\u201c\u667a\u80fd\u9762\u677f\u201d\u8f6f\u4ef6\uff0c\u9009\u62e9\u4e32\u53e3\u53f7\u5e76\u542f\u52a8\u3002\n\n- \u8f93\u5165\u5f53\u524d\u5730\u5740 \u2192 \u70b9\u51fb\u201c\u4fee\u6539\u201d \u2192 \u8f93\u5165\u65b0\u5730\u5740 \u2192 \u4fdd\u5b58\u3002\n\n\u6ce8\uff1a\u5730\u5740\u672a\u77e5\u65f6\uff0c\u53ef\u901a\u8fc7\u5e7f\u64ad\u5730\u5740`0xFF`\u4fee\u6539\u3002\n\n- **\u624b\u52a8\u4fee\u6539**\uff1a\n\n- \u957f\u6309\u8bbe\u7f6e\u952e5\u79d2\u8fdb\u5165\u8bbe\u7f6e\u6a21\u5f0f\uff08\u6307\u793a\u706f\u95ea\u70c1\uff09\u3002\n\n- \u70b9\u6309\u8bbe\u7f6e\u952e\u589e\u52a0\u5730\u5740\u503c\uff08\u6bcf\u6b21\u70b9\u6309\u81ea\u52a8\u4fdd\u5b58\uff09\u3002\n\n- 5\u79d2\u65e0\u64cd\u4f5c\u81ea\u52a8\u9000\u51fa\u3002\n\n- **\u6062\u590d\u9ed8\u8ba4**\uff1a\u5728\u8bbe\u7f6e\u6a21\u5f0f\u4e0b\uff0c\u518d\u6b21\u957f\u6309\u8bbe\u7f6e\u952e5\u79d2\u6062\u590d\u5730\u5740\u4e3a`0x01`\u3002\n\n#### 2. **\u5de5\u4f5c\u6a21\u5f0f\u8bbe\u7f6e**\n\n\u901a\u8fc7\u5bc4\u5b58\u5668`0x1003`\u914d\u7f6e\uff1a\n\n**\u4f4d****\u529f\u80fd****\u8bf4\u660e**Bit9\u534f\u8bae\u9009\u62e9`0`\uff1a\u5382\u5bb6\u534f\u8bae\uff1b`1`\uff1a\u6807\u51c6Modbus RTUBit8\u6309\u952e\u53d1\u9001\u534f\u8bae`0`\uff1aModbus\u683c\u5f0f\uff1b`1`\uff1a\u81ea\u5b9a\u4e49\u6570\u636eBit5\u677e\u5f00\u6309\u952e\u4e3b\u52a8\u53d1\u9001`1`\uff1a\u4f7f\u80fd\uff1b`0`\uff1a\u7981\u6b62Bit3\u80cc\u5149\u5ef6\u65f6\u7184\u706d`1`\uff1a10\u79d2\u65e0\u64cd\u4f5c\u7184\u706d\uff1b`0`\uff1a\u5e38\u4eaeBit2\u6309\u4e0b\u6309\u952e\u4e3b\u52a8\u53d1\u9001`1`\uff1a\u4f7f\u80fd\uff1b`0`\uff1a\u7981\u6b62\uff08\u4e3b\u673a\u8f6e\u8be2\uff09Bit0\u6f14\u793a\u6a21\u5f0f`1`\uff1a\u6309\u952e\u63a7\u5236\u80cc\u5149\/\u7ee7\u7535\u5668\uff1b`0`\uff1a\u6b63\u5e38\u6a21\u5f0f\n\n**\u914d\u7f6e\u793a\u4f8b**\uff1a\n\n```\n`\u6b63\u5e38\u6a21\u5f0f+\u4e3b\u52a8\u53d1\u9001+\u80cc\u5149\u5ef6\u65f6\u7184\u706d \u2192 01 06 10 03 02 14 7C 65`\n```\n\n### **\u4e94\u3001\u6838\u5fc3\u529f\u80fd\u8be6\u89e3**\n\n#### 1. **\u6309\u952e\u81ea\u5b9a\u4e49\u6307\u4ee4**\n\n\u652f\u63014\u79cd\u52a8\u4f5c\u89e6\u53d1\u6307\u4ee4\uff1a**\u6309\u4e0b**\u3001**\u77ed\u6309\u677e\u5f00**\u3001**\u957f\u6309\u6309\u4e0b**\u3001**\u957f\u6309\u677e\u5f00**\u3002\n\n- **\u6307\u4ee4\u7c7b\u578b**\uff1a\n\n- **ASCII\u5b57\u7b26\u4e32**\uff08\u5982`\"\u5f00\u706f\\n\"`\uff0c`\\n`\u4e3a\u56de\u8f66\u7b26\uff09\u3002\n\n- **\u5341\u516d\u8fdb\u5236**\uff08\u5982`01 06 10 31 00 01 1D 05`\uff09\u3002\n\n- **\u9ad8\u7ea7\u529f\u80fd**\uff1a\n\n- **\u5faa\u73af\u53d1\u9001**\uff1a\u4e24\u7ec4\u6307\u4ee4\u8f6e\u6d41\u89e6\u53d1\uff08\u9996\u6b21\u6309\u53d1\u7ec41\uff0c\u518d\u6b21\u6309\u53d1\u7ec42\uff09\u3002\n\n**\u5ef6\u65f6\u63a7\u5236**\uff1a\n\n- **\u7edf\u4e00\u5ef6\u65f6**\uff1a\u6240\u6709\u6307\u4ee4\u95f4\u9694\u76f8\u540c\uff08\u5168\u5c40\u8bbe\u7f6e\uff09\u3002\n\n- **\u72ec\u7acb\u5ef6\u65f6**\uff1a\u6bcf\u6761\u6307\u4ee4\u540e\u72ec\u7acb\u8bbe\u7f6e\u5ef6\u65f6\uff08\u598250ms\u2192100ms\u2192150ms\uff09\u3002\n\n- **\u8d85\u957f\u6307\u4ee4**\uff1a\u5355\u52a8\u4f5c\u53ef\u8de8\u591a\u4e2a\u5b58\u50a8\u7a7a\u95f4\uff08\u6700\u5927512\u5b57\u8282\uff09\u3002\n\n**\u914d\u7f6e\u6b65\u9aa4**\uff1a\n\n- \u6253\u5f00\u201c\u53c2\u6570\u914d\u7f6e.exe\u201d\u8f6f\u4ef6\uff0c\u8fde\u63a5\u9762\u677f\u3002\n\n- \u9009\u62e9\u6309\u952e \u2192 \u52fe\u9009\u52a8\u4f5c\u7c7b\u578b \u2192 \u8f93\u5165\u6307\u4ee4\u5185\u5bb9 \u2192 \u8bbe\u7f6e\u5ef6\u65f6 \u2192 \u4fdd\u5b58\u3002\n\n#### 2. **\u80cc\u5149\u4e0e\u6307\u793a\u706f\u63a7\u5236**\n\n- **\u7edf\u4e00\u63a7\u5236\u5bc4\u5b58\u5668**\uff08`0x1008`\uff09\uff1a\u540c\u65f6\u63a7\u5236\u80cc\u5149\u706f+8\u4e2a\u6309\u952e\u706f\u3002\n\n```\n`  \u6240\u6709\u80cc\u5149\u4eae+\u6309\u952e1\u706f\u4eae \u2192 01 06 10 08 01 01 CC 98`\n```\n\n- **\u72ec\u7acb\u63a7\u5236**\uff1a\n\n- \u80cc\u5149\u706f\uff1a\u5bc4\u5b58\u5668`0x1020`\uff08`1`\u70b9\u4eae\uff0c`0`\u7184\u706d\uff09\u3002\n\n- \u6309\u952e\u706f\uff1a\u5bc4\u5b58\u5668`0x1021~0x1028`\uff08\u6309\u952e1~8\uff0c\u652f\u6301`2`\u7ffb\u8f6c\u72b6\u6001\uff09\u3002\n\n#### 3. **\u7ee7\u7535\u5668\u63a7\u5236**\n\n- **\u7edf\u4e00\u63a7\u5236\u5bc4\u5b58\u5668**\uff08`0x100A`\uff09\uff1a\u540c\u65f6\u63a7\u52364\u8def\u7ee7\u7535\u5668\uff08Bit0~Bit3\u5bf9\u5e94\u7ee7\u7535\u56681~4\uff09\u3002\n\n```\n`  \u7ee7\u7535\u56681\u5bfc\u901a \u2192 01 06 10 0A 00 01 6C C8`\n```\n\n- **\u72ec\u7acb\u63a7\u5236**\uff1a\u5bc4\u5b58\u5668`0x1031~0x1034`\uff08\u7ee7\u7535\u56681~4\uff0c\u652f\u6301`2`\u7ffb\u8f6c\u72b6\u6001\uff09\u3002\n\n### **\u516d\u3001\u534f\u8bae\u5bf9\u63a5**\n\n#### 1. **\u6807\u51c6Modbus RTU\u534f\u8bae**\n\n- **\u4e3b\u673a\u8bfb\u6309\u952e\u72b6\u6001**\uff1a\n\n```\n  \u53d1\u9001\uff1a01 03 13 10 00 08 41 4D  \n  \u8fd4\u56de\uff1a01 03 10 00 00 00 00 00 ...\uff0816\u5b57\u8282\u72b6\u6001\u6570\u636e\uff09\n```\n\n- **\u6309\u952e\u4e3b\u52a8\u4e0a\u62a5**\uff08\u4f7f\u80fdBit2\/Bit5\uff09\uff1a\n\n```\n`  \u6309\u952e\u6309\u4e0b\uff1a01 03 00 02 02 02 64 AB  \/\/ \u7edd\u5bf9\u952e\u503c=(\u5730\u5740-1)*6+\u6309\u952e\u53f7`\n```\n\n#### 2. **\u5382\u5bb6\u534f\u8bae**\n\n- \u6570\u636e\u957f\u5ea6\u5b57\u6bb5\u4e3a**2\u5b57\u8282**\uff08\u6807\u51c6Modbus\u4e3a1\u5b57\u8282\uff09\uff0c\u5176\u4f59\u683c\u5f0f\u76f8\u540c\u3002\n\n### **\u4e03\u3001\u8c03\u8bd5\u4e0e\u7ef4\u62a4**\n\n#### 1. **\u5b9e\u65f6\u8c03\u8bd5**\n\n\u901a\u8fc7\u914d\u7f6e\u8f6f\u4ef6\uff1a\n\n- \u76d1\u63a7\u6309\u952e\u72b6\u6001\uff08\u4e3b\u52a8\/\u88ab\u52a8\u6a21\u5f0f\uff09\u3002\n\n- \u624b\u52a8\u63a7\u5236\u80cc\u5149\u706f\/\u7ee7\u7535\u5668\u3002\n\n- \u53d1\u9001\u81ea\u5b9a\u4e49\u6307\u4ee4\u6d4b\u8bd5\u3002\n\n#### 2. **\u4e32\u53e3\u53c2\u6570\u8bbe\u7f6e**\n\n\u4ec5**NR-SWRS\u7cfb\u5217**\u652f\u6301\uff1a\n\n- \u6ce2\u7279\u7387\uff1a300~115200\n\n- \u6821\u9a8c\u4f4d\uff1a\u65e0\/\u5947\/\u5076\u6821\u9a8c\n\n- \u914d\u7f6e\u65b9\u6cd5\uff1a\u8f6f\u4ef6\u4e2d\u9009\u62e9\u53c2\u6570 \u2192 \u70b9\u51fb\u201c\u5199\u5165\u201d\u3002\n\n#### 3. **\u56fa\u4ef6\u5347\u7ea7**\n\n- \u70b9\u51fb\u201c\u8bbe\u5907\u641c\u7d22\u201d \u2192 \u9009\u62e9\u76ee\u6807\u9762\u677f\u3002\n\n- \u70b9\u51fb\u201c\u56fa\u4ef6\u5347\u7ea7\u201d \u2192 \u9009\u62e9.bin\u56fa\u4ef6\u6587\u4ef6\u3002\n\n- \u52fe\u9009\u201c\u6062\u590d\u9ed8\u8ba4\u53c2\u6570\u201d\uff08\u53ef\u9009\uff09\u2192 \u542f\u52a8\u5347\u7ea7\u3002\n\n\u6ce8\uff1a\u5347\u7ea7\u5931\u8d25\u9700\u91cd\u8bd5\uff0c\u6210\u529f\u540e\u5efa\u8bae\u6062\u590d\u51fa\u5382\u8bbe\u7f6e\u3002\n\n#### 4. **\u6062\u590d\u51fa\u5382\u8bbe\u7f6e**\n\n- \u8f6f\u4ef6\u64cd\u4f5c\uff1a\u70b9\u51fb\u201c\u6062\u590d\u51fa\u5382\u8bbe\u7f6e\u201d \u2192 \u8bbe\u5907\u81ea\u52a8\u91cd\u542f\u3002\n\n- \u6548\u679c\uff1a\u5730\u5740\u3001\u53c2\u6570\u3001\u534f\u8bae\u5747\u6062\u590d\u9ed8\u8ba4\u503c\u3002\n\n### **\u516b\u3001\u9644\u5f55**\n\n#### 1. **\u7248\u672c\u66f4\u65b0\u8bb0\u5f55**\n\n**\u7248\u672c****\u65e5\u671f****\u66f4\u65b0\u5185\u5bb9**V1.02023-08-22\u521d\u7248\u53d1\u5e03V1.12024-01-311. \u589e\u52a0\u6309\u952e\u81ea\u5b9a\u4e49\u53d1\u9001\n2. \u652f\u6301\u6807\u51c6Modbus\n3. \u56fa\u4ef6\u5347\u7ea7\u529f\u80fdV1.22024-12-141. \u6307\u4ee4\u5ef6\u65f6\u8bbe\u7f6e\n2. \u4e24\u7ec4\u6307\u4ee4\u5faa\u73af\u53d1\u9001\n3. \u8d85\u957f\u6307\u4ee4\u652f\u6301\n4. \u4e32\u53e3\u53c2\u6570\u8bbe\u7f6e\n\n---\n*modbus.cn*\n"