"# Pelco-D \u534f\u8bae\u4e2d \u8f6c\u901f\u3001\u65b9\u5411\u3001\u53d8\u7126 \u7b49\u53c2\u6570\u7684\u8303\u56f4\u548c\u7528\u6cd5\n\n> 2025-03-18 | 2026-06-27\n> https:\/\/www.modbus.cn\/en\/30299.html\n\n**\u672a\u5206\u7c7b**\n\n---\n\n**\u4ea7\u54c1\u8d2d\u4e70\uff1a**[https:\/\/item.taobao.com\/item.htm?ft=t&id=900569256900](https:\/\/item.taobao.com\/item.htm?ft=t&id=900569256900)\n\n### **1. \u65b9\u5411\u63a7\u5236\uff08\u5de6\/\u53f3\/\u4e0a\/\u4e0b\uff09**\n\n- **\u63a7\u5236\u65b9\u5f0f**\uff1a\u901a\u8fc7\u62a5\u6587\u4e2d\u7684 **\u547d\u4ee41\uff08\u7b2c3\u5b57\u8282\uff09** \u7684\u4e8c\u8fdb\u5236\u4f4d\uff08BIT\uff09\u5f00\u542f\u65b9\u5411\u3002\n\n- **\u503c\u8303\u56f4**\uff1a\u53ea\u6709 **\u5f00\uff081\uff09\u6216\u5173\uff080\uff09**\uff0c\u6ca1\u6709\u4e2d\u95f4\u503c\u3002\u6bd4\u5982\uff1a\n\n- \u5de6\u8f6c\uff1a`0x04`\uff08\u4e8c\u8fdb\u5236 `0000 0100`\uff0cBIT3=1\uff09\n\n- \u53f3\u8f6c\uff1a`0x02`\uff08\u4e8c\u8fdb\u5236 `0000 0010`\uff0cBIT2=1\uff09\n\n- \u4e0a\u8f6c\uff1a`0x08`\uff08\u4e8c\u8fdb\u5236 `0000 1000`\uff0cBIT4=1\uff09\n\n- \u4e0b\u8f6c\uff1a`0x10`\uff08\u4e8c\u8fdb\u5236 `0001 0000`\uff0cBIT5=1\uff09\n\n- **\u901f\u5ea6\u63a7\u5236**\uff1a\u7531 **\u6570\u636e1\uff08\u7b2c5\u5b57\u8282\uff09** \u548c **\u6570\u636e2\uff08\u7b2c6\u5b57\u8282\uff09** \u51b3\u5b9a\uff1a\n\n- \u6c34\u5e73\u901f\u5ea6\uff08\u5de6\/\u53f3\uff09\uff1a\u6570\u636e1\uff08\u7b2c5\u5b57\u8282\uff09\uff0c\u8303\u56f4 `0x00`\uff08\u505c\u6b62\uff09\u5230 `0xFF`\uff08\u6700\u5feb\uff09\u3002\n\n- \u5782\u76f4\u901f\u5ea6\uff08\u4e0a\/\u4e0b\uff09\uff1a\u6570\u636e2\uff08\u7b2c6\u5b57\u8282\uff09\uff0c\u8303\u56f4\u540c\u4e0a\u3002\n\n**\u6ce8\u610f**\uff1a\u901f\u5ea6\u5177\u4f53\u6570\u503c\u7531\u6444\u50cf\u5934\u51b3\u5b9a\uff0c\u6bd4\u5982\uff1a\n\n- `0x00` = \u505c\u6b62\n\n- `0x20` = \u6162\u901f\n\n- `0xFF` = \u6700\u5feb\n\n#### **\u793a\u4f8b**\uff1a\u8ba9\u6444\u50cf\u5934 **\u5411\u5de6\u4e2d\u901f\u8f6c**\uff0c**\u5411\u4e0a\u6162\u901f\u8f6c**\uff1a\n\n```\n`FF 01 0C 00 3F 20 XX`\n```\n\n- \u547d\u4ee41 = `0x0C`\uff08\u4e8c\u8fdb\u5236 `0000 1100`\uff0c\u5de6\u8f6c `0x04` + \u4e0a\u8f6c `0x08`\uff09\n\n- \u6570\u636e1 = `0x3F`\uff08\u6c34\u5e73\u901f\u5ea6\u4e2d\u901f\uff09\n\n- \u6570\u636e2 = `0x20`\uff08\u5782\u76f4\u901f\u5ea6\u6162\u901f\uff09\n\n### **2. \u53d8\u7126\uff08\u653e\u5927\/\u7f29\u5c0f\uff09**\n\n- **\u63a7\u5236\u65b9\u5f0f**\uff1a\u901a\u8fc7 **\u547d\u4ee42\uff08\u7b2c4\u5b57\u8282\uff09** \u7684\u4e8c\u8fdb\u5236\u4f4d\u5f00\u542f\u53d8\u7126\u3002\n\n- **\u503c\u8303\u56f4**\uff1a\u53ea\u6709 **\u5f00\uff081\uff09\u6216\u5173\uff080\uff09**\uff0c\u6ca1\u6709\u901f\u5ea6\u503c\u3002\u6bd4\u5982\uff1a\n\n- \u653e\u5927\uff1a`0x20`\uff08\u4e8c\u8fdb\u5236 `0010 0000`\uff0cBIT6=1\uff09\n\n- \u7f29\u5c0f\uff1a`0x40`\uff08\u4e8c\u8fdb\u5236 `0100 0000`\uff0cBIT7=1\uff09\n\n- **\u901f\u5ea6\u63a7\u5236**\uff1a\u53d8\u7126\u901f\u5ea6\u901a\u5e38\u7531\u6444\u50cf\u5934\u786c\u4ef6\u9884\u8bbe\uff0c\u65e0\u6cd5\u901a\u8fc7 Pelco-D \u534f\u8bae\u8c03\u8282\uff08\u6709\u4e9b\u6444\u50cf\u5934\u53ef\u80fd\u652f\u6301\u7279\u6b8a\u6307\u4ee4\uff09\u3002\n\n#### **\u793a\u4f8b**\uff1a\u8ba9\u6444\u50cf\u5934 **\u6301\u7eed\u653e\u5927**\uff1a\n\n```\n`FF 01 00 20 00 00 XX`\n```\n\n- \u547d\u4ee42 = `0x20`\uff08\u653e\u5927\uff09\n\n### **3. \u805a\u7126\uff08\u6e05\u6670\/\u6a21\u7cca\uff09**\n\n- **\u63a7\u5236\u65b9\u5f0f**\uff1a\u901a\u8fc7 **\u547d\u4ee42\uff08\u7b2c4\u5b57\u8282\uff09** \u7684\u4e8c\u8fdb\u5236\u4f4d\u5f00\u542f\u805a\u7126\u3002\n\n- **\u503c\u8303\u56f4**\uff1a\u53ea\u6709 **\u5f00\uff081\uff09\u6216\u5173\uff080\uff09**\uff1a\n\n- \u805a\u7126\u8fdc\uff08\u66f4\u6e05\u6670\uff09\uff1a`0x80`\uff08\u4e8c\u8fdb\u5236 `1000 0000`\uff0cBIT8=1\uff09\n\n- \u805a\u7126\u8fd1\uff08\u66f4\u6a21\u7cca\uff09\uff1a`0x01`\uff08\u4e8c\u8fdb\u5236 `0000 0001`\uff0cBIT1=1\uff09\n\n#### **\u793a\u4f8b**\uff1a\u8ba9\u6444\u50cf\u5934 **\u8c03\u6574\u5230\u66f4\u6e05\u6670**\uff1a\n\n```\n`FF 01 00 80 00 00 XX`\n```\n\n- \u547d\u4ee42 = `0x80`\uff08\u805a\u7126\u8fdc\uff09\n\n### **4. \u5176\u4ed6\u529f\u80fd\uff08\u9884\u7f6e\u4f4d\u3001\u626b\u63cf\u7b49\uff09**\n\n- **\u9884\u7f6e\u4f4d\u8c03\u7528**\uff1a\u901a\u8fc7 **\u547d\u4ee42** \u548c **\u6570\u636e1\/\u6570\u636e2** \u7ec4\u5408\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a\n\n- \u8c03\u7528\u9884\u7f6e\u4f4d 5\uff1a\u6570\u636e1 = `0x00`\uff08\u9ad8\u4f4d\uff09\uff0c\u6570\u636e2 = `0x05`\uff08\u4f4e\u4f4d\uff09\uff0c\u547d\u4ee42 = `0x07`\u3002\n\n- **\u81ea\u52a8\u626b\u63cf**\uff1a\u547d\u4ee42 = `0x90`\uff08\u5f00\u542f\u81ea\u52a8\u626b\u63cf\uff09\u3002\n\n### **\u603b\u7ed3\u8868\u683c**\n\n\u529f\u80fd\u63a7\u5236\u5b57\u8282\u503c\u8303\u56f4\u793a\u4f8b\u503c\u5de6\u8f6c\u547d\u4ee41`0x04`\uff08\u5f00\uff09`0x04`\u53f3\u8f6c\u547d\u4ee41`0x02`\uff08\u5f00\uff09`0x02`\u4e0a\u8f6c\u547d\u4ee41`0x08`\uff08\u5f00\uff09`0x08`\u4e0b\u8f6c\u547d\u4ee41`0x10`\uff08\u5f00\uff09`0x10`\u6c34\u5e73\u901f\u5ea6\u6570\u636e1`0x00`\uff08\u505c\uff09~`0xFF`\uff08\u6700\u5feb\uff09`0x3F`\uff08\u4e2d\u901f\uff09\u5782\u76f4\u901f\u5ea6\u6570\u636e2\u540c\u4e0a`0x20`\uff08\u6162\u901f\uff09\u53d8\u7126\u653e\u5927\u547d\u4ee42`0x20`\uff08\u5f00\uff09`0x20`\u53d8\u7126\u7f29\u5c0f\u547d\u4ee42`0x40`\uff08\u5f00\uff09`0x40`\u805a\u7126\u8fdc\u547d\u4ee42`0x80`\uff08\u5f00\uff09`0x80`\u805a\u7126\u8fd1\u547d\u4ee42`0x01`\uff08\u5f00\uff09`0x01`\n\n### **\u6ce8\u610f\u4e8b\u9879**\n\n- **\u540c\u65f6\u63a7\u5236\u591a\u4e2a\u529f\u80fd**\uff1a\u53ef\u4ee5\u901a\u8fc7\u7ec4\u5408\u4e8c\u8fdb\u5236\u4f4d\u5b9e\u73b0\u3002\n\u4f8b\u5982\uff1a\u5de6\u8f6c + \u4e0a\u8f6c = `0x04 + 0x08 = 0x0C`\uff08\u547d\u4ee41\uff09\u3002\n\n- **\u505c\u6b62\u6240\u6709\u52a8\u4f5c**\uff1a\u53d1\u9001\u6240\u6709\u63a7\u5236\u4f4d\u4e3a `0x00` \u7684\u62a5\u6587\u3002\n\u793a\u4f8b\uff1a`FF 01 00 00 00 00 XX`\u3002\n\n- **\u8bbe\u5907\u5dee\u5f02**\uff1a\u4e0d\u540c\u6444\u50cf\u5934\u5bf9\u901f\u5ea6\u503c\u7684\u89e3\u91ca\u53ef\u80fd\u4e0d\u540c\uff0c\u5efa\u8bae\u53c2\u8003\u8bbe\u5907\u624b\u518c\u3002\n\n---\n*modbus.cn*\n"