"# \u98ce\u673a\u76d8\u7ba1\u63a7\u5236\u5668Modbus\u901a\u8baf\u534f\u8bae\n\n> 2023-12-06 | 2026-06-30\n> https:\/\/www.modbus.cn\/en\/26136.html\n\n**\u8bbe\u5907\u5bc4\u5b58\u5668\u624b\u518c**\n\n---\n\n![](https:\/\/image.modbus.cn\/wp-content\/uploads\/2023\/12\/20231206222347790.png)\n\n\u7269\u7406\u63a5\u53e3\uff1aRS485\u901a\u8baf\u534f\u8bae\uff1aModBus\uff0fRTU\u6ce2\u7279\u7387\u8bbe\u7f6e\uff1a9600\uff0cN,8,1\u53ef\u652f\u6301\u7684\u529f\u80fd\u7801:0x03,0x04\u548c0x0600\u5e7f\u64ad\u5730\u5740\u65e0\u8fd4\u56de\u503c\n\nInput Register(\u8bfb\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x04)\n\n\u53d8\u91cf\u5e8f\u53f7\u53d8\u91cf\u63cf\u8ff0\u5355\u4f4d\u53d8\u91cf\u53d6\u503c\u6620\u5c04\u5730\u574030001\u56de\u98ce\u6e29\u5ea60.1\u21030\uff0d50.0\u21030x0030002\u98ce\u673a\u72b6\u6001---0=\u505c\u6b62,2=\u4f4e\u901f,4=\u4e2d\u901f,8=\u9ad8\u901f0x0130003\u7535\u52a8\u6c34\u9600\u72b6\u6001---0=\u505c\u6b62\uff0c1=\u8fd0\u884c0x02\n\nHolding Register (\u8bfb\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x03\uff1b\u5199\u64cd\u4f5c\uff0c\u529f\u80fd\u78010x06)\n\n\u53d8\u91cf\u5e8f\u53f7\u53d8\u91cf\u63cf\u8ff0\u5355\u4f4d\u53d8\u91cf\u53d6\u503c\u6620\u5c04\u5730\u574040001\u6a21\u5f0f\u64cd\u4f5c---1=\u5236\u51b7,4=\u901a\u98ce,8=\u5236\u70ed0x0040002\u98ce\u901f\u8bbe\u7f6e---2=\u4f4e\u901f,4=\u4e2d\u901f,8=\u9ad8\u901f0x0140003\u6e29\u5ea6\u8bbe\u7f6e0.1\u21035.0\uff0d35.0\u21030x0240004\u98ce\u673a\u76d8\u7ba1\u72b6\u6001---0=\u505c\u673a\uff0c1=\u8fd0\u884c0x03\n\n1\u3001\u4e0a\u4f4d\u673a\u8bfb\u53d61\uff03\u6e29\u63a7\u5668\u72b6\u6001 (\u5bc4\u5b58\u566830001\u81f330003,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00\u81f30x02)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code04Function Code04\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9Input\u5bc4\u5b58\u5668\u7684\u529f\u80fd\u7801Starting Address Hi00Byte Count06\u4ece\u7ad9\u56de\u5e94\u4e3b\u7ad9\u7684\u5b57\u8282\u6570Starting Address Lo00Input Reg.00 Hi01Reg.00=0X0118\uff0c\u5341\u8fdb\u5236\u662f280\uff0c\u56e0\u6e29\u5ea6\u653e\u5927\u4e8610\u500d\uff0c\u5373\u5f53\u524d\u56de\u98ce\u6e29\u5ea6\u662f28.0\u5ea6\u3002Quantity of Input Reg. Hi00Input Reg.00 Lo18Quantity of Input Reg. Lo03Input Reg.01 Hi00Reg.00=0X0008\uff0c\u5373\u5f53\u524d\u98ce\u901f\u662f\u9ad8\u98ce\u901f\u3002CRC HiB0Input Reg.01 Lo08CRC Lo0BInput Reg.02 Hi00Reg.00=0X0001\uff0c\u5373\u5f53\u524d\u6c34\u9600\u6253\u5f00\u3002Input Reg.02 Lo01CRC Hi01\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X0142\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC LO42\n\n2\u3001\u4e0a\u4f4d\u673a\u8bfb\u53d61\uff03\u6e29\u63a7\u5668\u7684\u53c2\u6570 (\u5bc4\u5b58\u566840001\u81f340004,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00\u81f30x03)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code03Function Code03\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u529f\u80fd\u7801Starting Address Hi00Byte Count08\u4ece\u7ad9\u56de\u5e94\u4e3b\u7ad9\u7684\u5b57\u8282\u6570Starting Address Lo00Holding Reg.00 Hi00Reg.00=0X0001\uff0c\u5373\u5f53\u524d\u8fd0\u884c\u6a21\u5f0f\u662f\u5236\u51b7\u3002Quantity of Holding Reg. Hi00Holding Reg.00 Lo01Quantity of Holding Reg. Lo04Holding Reg.01 Hi00Reg.01=0X0008\uff0c\u5373\u5f53\u524d\u98ce\u901f\u8bbe\u7f6e\u662f\u9ad8\u98ce\u901f\u3002CRC Hi44Holding Reg.01 Lo08CRC Lo09Holding Reg.02 Hi00Reg.02=0X00F0\uff0c\u5341\u8fdb\u5236\u662f240\uff0c\u56e0\u6e29\u5ea6\u653e\u5927\u4e8610\u500d\uff0c\u5373\u5f53\u524d\u6e29\u5ea6\u8bbe\u7f6e\u662f24.0\u5ea6\u3002Holding Reg.02 LoF0Holding Reg.03 Hi00Reg.03=0X0001\uff0c\u5373\u5f53\u524d\u72b6\u6001\u662f\u5f00\u673a\u72b6\u6001\u3002Holding Reg.03 Lo01CRC HiA5\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XA525\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC LO25\n\n3\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u6a21\u5f0f\u53c2\u6570 (\u5bc4\u5b58\u566840001,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x00)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code06Function Code06\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570Starting Address Hi00Starting Address Hi00Holding Reg.\u6a21\u5f0f\u5730\u57400X0000\u3002Starting Address Lo00Starting Address Lo00Holding Reg. Value Hi00Holding Reg. Value Hi00Reg.00=0X0008\uff0c\u5373\u6a21\u5f0f\u6539\u5199\u4e3a\u5236\u70ed\u3002Holding Reg. Value Lo08Holding Reg. Value Lo08CRC Hi88CRC Hi88\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X880C\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC Lo0CCRC Lo0C\n\n4\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u98ce\u901f\u53c2\u6570 (\u5bc4\u5b58\u566840002,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x01)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code06Function Code06\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570Starting Address Hi00Starting Address Hi00Holding Reg.\u98ce\u901f\u5730\u57400X0001\u3002Starting Address Lo01Starting Address Lo01Holding Reg. Value Hi00Holding Reg. Value Hi00Reg.00=0X0004\uff0c\u5373\u98ce\u901f\u6539\u5199\u4e3a\u4e2d\u901f\u3002Holding Reg. Value Lo04Holding Reg. Value Lo04CRC HiD9CRC HiD9\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XD9C9\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC Lo0CCRC Lo0C\n\n5\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u6e29\u5ea6\u53c2\u6570 (\u5bc4\u5b58\u566840003,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x02)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code06Function Code06\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570Starting Address Hi00Starting Address Hi00Holding Reg.\u6e29\u5ea6\u8bbe\u7f6e\u5730\u57400X0002\u3002Starting Address Lo02Starting Address Lo02Holding Reg. Value Hi00Holding Reg. Value Hi00Reg.00=0X00DC\uff0c\u5341\u8fdb\u5236220\uff0c\u5373\u6e29\u5ea6\u8bbe\u7f6e22.0\u5ea6\u3002Holding Reg. Value LoDCHolding Reg. Value LoDCCRC Hi29CRC Hi29\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0X2993\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC Lo93CRC Lo93\n\n6\u3001\u4e0a\u4f4d\u673a\u8bbe\u7f6e1\uff03\u6e29\u63a7\u5668\u7684\u5f00\u5173\u673a\u72b6\u6001 (\u5bc4\u5b58\u566840004,\u5bf9\u5e94\u7684\u901a\u8baf\u8d77\u59cb\u5730\u5740\u662f0x03)\n\n\u4e3b\u7ad9\u8bf7\u6c42\u4ece\u7ad9\u56de\u5e94ParameterField Name(Hex)Field Name(Hex)Slave Address01Slave Address01\u4e3b\u7ad9\u8bbf\u95ee\u4ece\u7ad9\u7684\u8bbe\u5907\u5730\u5740Function Code06Function Code06\u4e3b\u7ad9\u6539\u5199\u4ece\u7ad9Holding\u5bc4\u5b58\u5668\u7684\u53c2\u6570Starting Address Hi00Starting Address Hi00Holding Reg.\u5f00\u5173\u673a\u64cd\u4f5c\u5730\u57400X0003\u3002Starting Address Lo03Starting Address Lo03Holding Reg. Value Hi00Holding Reg. Value Hi00Reg.00=0X0001\uff0c\u5373\u8ba9\u6e29\u63a7\u5668\u5f00\u673a\u3002Holding Reg. Value Lo01Holding Reg. Value Lo01CRC HiB8CRC HiB8\u5f53\u524d\u8fd9\u5e27\u6570\u636eCRC\u8f83\u9a8c\u662f0XB80A\uff0c\u82e5\u6570\u636e\u4e0d\u540c\u65f6\u8f83\u9a8c\u7801\u4f1a\u76f8\u5e94\u53d8\u5316\u3002CRC Lo0ACRC Lo0A\n\n---\n*modbus.cn*\n"