"# Modbus\u534f\u8baeRS485\u63a5\u53e3\u5f00\u5173\u7535\u6e90\u8bf4\u660e\u4e66\n\n> 2025-04-10 | 2025-04-23\n> https:\/\/www.modbus.cn\/en\/30918.html\n\n**\u4ea7\u54c1\u8bf4\u660e\u4e66**\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2025\/04\/20250410152022402.png?x-oss-process=image\/resize,m_lfit,w_950,h_950)\n\n### **\u4e00\u3001\u4ea7\u54c1\u6982\u8ff0**\n\n\u5f00\u5173\u7535\u6e90\u662f\u4e00\u79cd\u9ad8\u6548\u3001\u7a33\u5b9a\u7684\u7535\u6e90\u8bbe\u5907\uff0c\u91c7\u7528\u8fdb\u53e3\u82af\u7247\uff0c\u786e\u4fdd\u8f93\u51fa\u7a33\u5b9a\uff0c\u5177\u5907\u6297\u5e72\u6270\u80fd\u529b\u5f3a\u3001\u9ad8\u6548\u6563\u70ed\u3001\u591a\u91cd\u4fdd\u62a4\u7b49\u7279\u70b9\u3002\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5de5\u4e1a\u81ea\u52a8\u5316\u3001LED\u7167\u660e\u3001\u901a\u8baf\u8bbe\u5907\u3001\u5b89\u9632\u76d1\u63a7\u7b49\u9886\u57df\u3002\n\n### **\u4e8c\u3001\u4ea7\u54c1\u7279\u70b9**\n\n- **\u6297\u5e72\u6270\u80fd\u529b\u5f3a**\uff1a\u4f18\u8d28\u5185\u90e8\u5143\u4ef6\uff0c\u8fd0\u884c\u7a33\u5b9a\u53ef\u9760\u3002\n\n- **\u9ad8\u6548\u6563\u70ed**\uff1a\u53cc\u91cd\u98ce\u6247\u6563\u70ed\u8bbe\u8ba1\uff0c\u6ee1\u8d1f\u8377\u4e0d\u70e7\u673a\u3002\n\n- **\u591a\u91cd\u4fdd\u62a4**\uff1a\u8fc7\u8f7d\u3001\u8fc7\u538b\u3001\u8fc7\u6e29\u4fdd\u62a4\uff0c\u786e\u4fdd\u8bbe\u5907\u5b89\u5168\u3002\n\n- **\u7eaf\u94dc\u53d8\u538b\u5668**\uff1a\u8db3\u529f\u7387\u8f93\u51fa\uff0c\u4fdd\u969c\u8bbe\u5907\u6027\u80fd\u3002\n\n- **\u9002\u7528\u8303\u56f4\u5e7f**\uff1a\u5de5\u4e1a\u81ea\u52a8\u5316\u3001LED\u7167\u660e\u3001\u901a\u8baf\u8bbe\u5907\u3001\u6c34\u6cf5\u3001\u7535\u673a\u3001\u5b89\u9632\u76d1\u63a7\u3001\u6570\u7801\u4ea7\u54c1\u7b49\u3002\n\n### **\u4e09\u3001\u4ea7\u54c1\u53c2\u6570**\n\n**\u53c2\u6570****TX3000-12****TX3000-24****TX3000-48**\u76f4\u6d41\u7535\u538b12V24V48V\u989d\u5b9a\u7535\u6d41200A125A62.5A\u7535\u6d41\u8303\u56f40~200A0~125A0~62.5A\u989d\u5b9a\u529f\u73872400W3000W3000W\u7eb9\u6ce2\u4e0e\u566a\u58f0150mVp-p150mVp-p200mVp-p\u7535\u538b\u8c03\u6574\u8303\u56f40~13.8V0~28V0~56V\u7535\u538b\u7cbe\u5ea6\u00b11.0%\u00b11.0%\u00b11.0%**\u8f93\u5165\u53c2\u6570**\u7535\u538b\u8303\u56f485~132VAC \/ 170~264VAC \/ 240~370VDC\u9891\u7387\u8303\u56f447~63Hz\u529f\u7387\u56e0\u65700.95@230VAC\uff08\u6ee1\u8f7d\uff09\u6548\u738785%\uff0812V\uff0985%\uff0824V\uff0986%\uff0848V\uff09**\u4fdd\u62a4\u529f\u80fd**\u8fc7\u8f7d\u4fdd\u62a4\u6052\u6d41\u9650\u5236\u6216\u5ef6\u8fdf5\u79d2\u5173\u95ed\u8f93\u51fa\uff0c\u91cd\u542f\u6062\u590d\u8fc7\u538b\u4fdd\u62a413.8~16.8V\uff0812V\uff0928.8~33.6V\uff0824V\uff0957.6~67.2V\uff0848V\uff09\u8fc7\u6e29\u4fdd\u62a4\u5173\u65ad\u8f93\u51fa\uff0c\u6e29\u5ea6\u4e0b\u964d\u540e\u81ea\u52a8\u6062\u590d**\u73af\u5883\u53c2\u6570**\u5de5\u4f5c\u6e29\u5ea6-20~+70\u2103\uff08\u53c2\u8003\u51cf\u989d\u66f2\u7ebf\uff09\u5de5\u4f5c\u6e7f\u5ea620~90% RH\uff08\u65e0\u51b7\u51dd\uff09\u5b58\u50a8\u6e29\u5ea6\/\u6e7f\u5ea6-40~+85\u2103 \/ 10~95% RH\u8010\u632f\u52a810~500Hz, 2G\uff08X\/Y\/Z\u8f74\u540460\u5206\u949f\uff09\n\n### **\u56db\u3001\u901a\u8baf\u534f\u8bae\uff08MODBUS RTU\uff09**\n\n#### **0.\u901a\u4fe1\u5730\u5740\u62e8\u7801**\n\n\u62e8\u7801\u5f00\u5173\u5171\u67094\u4e2a\u4f4d\uff0c1\u30012\u30013\u30014,\u6bcf\u4e2a\u4f4d\u4ee3\u8868\u4e00\u4e2a\u6570\u503c\uff0c\u63a8\u5230ON\u7684\u4f4d\u7f6e\u4e3a0\uff0c\u62e8\u5230\u4e0b\u9762\u4f9d\u6b21\u4ee3\u8868\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2025\/04\/20250423170239786.png)\n\n#### **1. \u901a\u8baf\u53c2\u6570**\n\n- **\u6ce2\u7279\u7387**\uff1a9600\n\n- **\u8d77\u59cb\u4f4d**\uff1a1\n\n- **\u6570\u636e\u4f4d**\uff1a8\n\n- **\u6821\u9a8c\u4f4d**\uff1a\u65e0\n\n- **\u505c\u6b62\u4f4d**\uff1a1\n\n#### 2.**\u5bc4\u5b58\u5668\u5730\u5740**\n\n**\u5e8f\u53f7****\u540d\u79f0****\u8bf4\u660e****\u8303\u56f4**\u5c0f\u6570\u70b9\u4f4d\u6570\u8bfb\u5199\u5bc4\u5b58\u5668\u5730\u57401Set-V\u7535\u6e90\u7684\u7535\u538b\u8bbe\u5b9a\u503c0-10241r\/w**1000**2Set-I\u7535\u6e90\u7684\u7535\u6d41\u8bbe\u5b9a\u503c0-10241r\/w**1001**3U\u7535\u6e90\u7684\u7535\u538b\u663e\u793a\u503c0-10241r**1002**4I\u7535\u6e90\u7684\u7535\u6d41\u663e\u793a\u503c0-10241r**1003**5Run-Stop\u7535\u6e90\u8f93\u51fa\/\u505c\u6b62\u8bbe\u5b9a0\uff0c10r\/w**1006**6\u4fdd\u7559    10087\u4fdd\u7559    10048\u4fdd\u7559    1005\n\n#### **3. \u5e27\u7ed3\u6784**\n\n**\u5b57\u6bb5****\u957f\u5ea6****\u8bf4\u660e**\u5f00\u59cb3.5\u5b57\u7b26\u65f6\u95f4\u5e27\u8d77\u59cb\u6807\u5fd7\uff0c\u6d88\u606f\u95f4\u9694\u9700\u22653.5\u5b57\u7b26\u65f6\u95f4\u5730\u5740\u57df1\u5b57\u8282\u4ece\u673a\u5730\u5740\uff081~15\uff09\uff0c0\u4e3a\u5e7f\u64ad\u5730\u5740\u529f\u80fd\u57df1\u5b57\u8282\u529f\u80fd\u7801\uff0803\u8bfb\u5bc4\u5b58\u5668\uff0c06\u5199\u5355\u8def\u5bc4\u5b58\u5668\uff09\u6570\u636e\u57dfN\u5b57\u8282\u5bc4\u5b58\u5668\u5730\u5740\u3001\u6570\u636e\u5185\u5bb9\u7b49CRC\u6821\u9a8c2\u5b57\u8282\u4f4e\u5b57\u8282\u5728\u524d\uff0c\u9ad8\u5b57\u8282\u5728\u540e\u7ed3\u675f3.5\u5b57\u7b26\u65f6\u95f4\u5e27\u7ed3\u675f\u6807\u5fd7\n\n#### **4. \u529f\u80fd\u7801\u8bf4\u660e**\n\n**\u529f\u80fd\u780103\uff1a\u8bfb\u591a\u8def\u5bc4\u5b58\u5668**\n\n- **\u793a\u4f8b1**\uff1a\u8bfb\u53d6\u5730\u5740\u4e3a01\u7684\u4ece\u673a\uff0c\u8d77\u59cb\u5730\u57401002\uff08\u7535\u538b\u663e\u793a\u503c\uff09\uff0c\u8bfb\u53d61\u4e2a\u5bc4\u5b58\u5668\u3002\n\n**\u4e3b\u673a\u53d1\u9001**\uff1a`01 03 03 EA 00 01 [CRC]`\n\n- \u5730\u5740\uff1a01\uff080x01\uff09\n\n- \u529f\u80fd\u7801\uff1a03\uff080x03\uff09\n\n- \u8d77\u59cb\u5730\u5740\uff1a1002\uff080x03EA\uff09\n\n- \u5bc4\u5b58\u5668\u6570\u91cf\uff1a1\uff080x0001\uff09\n\n**\u4ece\u673a\u54cd\u5e94**\uff1a`01 03 02 03 E8 [CRC]`\n\n- \u5730\u5740\uff1a01\uff080x01\uff09\n\n- \u529f\u80fd\u7801\uff1a03\uff080x03\uff09\n\n- \u6570\u636e\u957f\u5ea6\uff1a2\u5b57\u8282\uff080x02\uff09\n\n- \u6570\u636e\uff1a100.0V\uff080x03E8\uff09\n\n**\u529f\u80fd\u780106\uff1a\u5199\u5355\u8def\u5bc4\u5b58\u5668**\n\n- **\u793a\u4f8b2**\uff1a\u5411\u5730\u5740\u4e3a01\u7684\u4ece\u673a\uff0c\u5bc4\u5b58\u5668\u5730\u57401000\uff08\u7535\u538b\u8bbe\u5b9a\u503c\uff09\u5199\u516548.0V\u3002\n\n**\u4e3b\u673a\u53d1\u9001**\uff1a`01 06 03 E8 01 E0 [CRC]`\n\n- \u5730\u5740\uff1a01\uff080x01\uff09\n\n- \u529f\u80fd\u7801\uff1a06\uff080x06\uff09\n\n- \u5bc4\u5b58\u5668\u5730\u5740\uff1a1000\uff080x03E8\uff09\n\n- \u6570\u636e\uff1a480\uff080x01E0\uff0c\u5bf9\u5e9448.0V\uff09\n\n- **\u4ece\u673a\u54cd\u5e94**\uff1a`01 06 03 E8 01 E0 [CRC]`\uff08\u4e0e\u53d1\u9001\u62a5\u6587\u4e00\u81f4\uff09\n\n#### **5. CRC\u6821\u9a8c\u8ba1\u7b97**\n\n- \u9884\u7f6e16\u4f4d\u5bc4\u5b58\u5668\u4e3a`0xFFFF`\u3002\n\n- \u9010\u5b57\u8282\u4e0e\u5bc4\u5b58\u5668\u4f4e8\u4f4d\u5f02\u6216\uff0c\u7ed3\u679c\u5b58\u5165\u5bc4\u5b58\u5668\u3002\n\n- \u53f3\u79fb\u5bc4\u5b58\u5668\uff0c\u68c0\u67e5\u79fb\u51fa\u4f4d\uff1a\n\n- \u82e5\u4e3a0\uff0c\u7ee7\u7eed\u53f3\u79fb\uff1b\n\n- \u82e5\u4e3a1\uff0c\u4e0e\u591a\u9879\u5f0f`0xA001`\u5f02\u6216\u3002\n\n- \u91cd\u590d\u53f3\u79fb8\u6b21\uff0c\u5904\u7406\u6240\u6709\u5b57\u8282\u3002\n\n- \u4ea4\u6362\u9ad8\/\u4f4e\u5b57\u8282\uff0c\u5f97\u5230\u6700\u7ec8CRC\u7801\u3002\n\n### **\u4e94\u3001\u63a5\u53e3\u5b9a\u4e49**\n\n- **\u7535\u6e90\u63a5\u53e3**\uff1a\n\n- \u63a5\u5730\u7ebf\uff08G\uff09\u3001\u96f6\u7ebf\uff08L\uff09\u3001\u706b\u7ebf\uff08N\uff09\n\n- \u8f93\u51fa\u6b63\u6781\uff08+V\uff09\u3001\u8f93\u51fa\u8d1f\u6781\uff08-V\uff09\n\n- **\u8c03\u8282\u63a5\u53e3**\uff1a\n\n- \u7535\u538b\u8c03\u8282\uff08V-ADJ\uff09\u3001\u7535\u6d41\u8c03\u8282\uff08A-ADJ\uff09\n\n- **\u901a\u8baf\u63a5\u53e3**\uff1aRS485\/RS232\n\n### **\u516d\u3001\u5e94\u7528\u573a\u666f**\n\n- \u5de5\u4e1a\u81ea\u52a8\u5316\uff08PLC\u63a7\u5236\u3001\u81ea\u52a8\u5316\u8bbe\u5907\uff09\n\n- LED\u7167\u660e\uff08\u5e7f\u544a\u706f\u7bb1\u3001\u663e\u793a\u5c4f\uff09\n\n- \u901a\u8baf\u8bbe\u5907\uff08\u4ea4\u6362\u673a\u3001\u57fa\u7ad9\uff09\n\n- \u5b89\u9632\u76d1\u63a7\uff08\u6444\u50cf\u5934\u3001NVR\uff09\n\n- \u6570\u7801\u4ea7\u54c1\uff08\u97f3\u54cd\u3001\u7535\u5b50\u4eea\u5668\uff09\n\n### **\u4e03\u3001\u5b89\u88c5\u4e0e\u4f7f\u7528**\n\n- **\u5b89\u88c5**\uff1a\u786e\u4fdd\u901a\u98ce\u826f\u597d\uff0c\u907f\u514d\u9ad8\u6e29\u6f6e\u6e7f\u73af\u5883\u3002\n\n- **\u63a5\u7ebf**\uff1a\u6309\u63a5\u53e3\u5b9a\u4e49\u6b63\u786e\u8fde\u63a5\u7535\u6e90\u7ebf\u4e0e\u901a\u8baf\u7ebf\u3002\n\n- **\u8c03\u8bd5**\uff1a\u901a\u8fc7MODBUS\u534f\u8bae\u9a8c\u8bc1\u901a\u8baf\u529f\u80fd\uff0c\u4f7f\u7528\u793a\u4f8b\u62a5\u6587\u6d4b\u8bd5\u8bfb\u5199\u64cd\u4f5c\u3002\n\n### **\u516b\u3001\u6ce8\u610f\u4e8b\u9879**\n\n- \u7981\u6b62\u5728\u6613\u71c3\u3001\u6f6e\u6e7f\u73af\u5883\u4e2d\u4f7f\u7528\u3002\n\n- \u5b9a\u671f\u6e05\u7406\u6563\u70ed\u98ce\u6247\uff0c\u786e\u4fdd\u6b63\u5e38\u8fd0\u884c\u3002\n\n- \u6280\u672f\u652f\u6301\u8bf7\u8054\u7cfb\u5236\u9020\u5546\u3002\n\n---\n*modbus.cn*\n"