"# \u57fa\u4e8eC#\u5f00\u53d1\u7684MODBUS RTU\u901a\u4fe1\u534f\u8bae\u5c01\u88c5\u5305\n\n> 2023-02-15 | 2023-08-18\n> https:\/\/www.modbus.cn\/en\/11809.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n\u6839\u636e\u4f20\u5165\u7684\u53c2\u6570\uff0c\u521b\u5efa MODBUS RTU \u5b9e\u4f8b\uff1a\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u5efa\u7acb MODBUS RTU \u4e32\u53e3\u4e1a\u52a1\r\n\/\/\/ String comnum  =     \u4e32\u53e3\u53f7\r\n\/\/\/ int buad      =      \u4e32\u53e3\u7684\u6ce2\u7279\u7387\r\n\/\/\/ int dataLen   =      \u6570\u636e\u957f\u5ea6\r\n\/\/\/ String chklen    =      \u68c0\u9a8c\u4f4d\r\n\/\/\/ String stoplen   =      \u505c\u6b62\u4f4d\r\n\/\/\/ <\/summary>\r\npublic ModbusRTU_Lib(String comnum,int buad,int dataLen,string chklen,string stoplen,int scantime)\r\n\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n\u6dfb\u52a0\u4e00\u4e2a MODBUS RTU \u626b\u63cf\u4ece\u7ad9\uff1a\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u6e05\u9664\u6240\u6709\u7684\u4ece\u7ad9\u5217\u8868\r\n\/\/\/ <\/summary>\r\npublic void clearAllModbusSalve()\r\n\r\n\/\/\/ <summary>\r\n\/\/\/ \u5220\u9664\u626b\u63cf\u5217\u8868\u4e2d\u7684\u6307\u5b9a\u4ece\u7ad9\r\n\/\/\/ <\/summary>\r\n\/\/\/ <param name=\"whichAddr\"><\/param>\r\npublic void deletAllModbusSalve(int whichAddr)\r\n\n```\n\r\n\r\n\r\n\r\n\r\n\n\u6e05\u9664\u521b\u5efa\u7684 MODBUS RTU \u591a\u4ece\u7ad9\u626b\u63cf\u5217\u8868\uff1a\n\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u589e\u52a0 MODBUS \u4ece\u7ad9\u626b\u63cf\u5217\u8868\r\n\/\/\/ <\/summary>\r\n\/\/\/ <param name=\"xDeviceMdEnty\"><\/param>\r\npublic void addModbusSlaveScanList(DeviceMdEnty xDeviceMdEnty)\r\n\n```\n\r\n\r\n\r\n\r\n\r\n\n\u6253\u5f00\u4e00\u4e2a MODBUS\u00a0RTU\u00a0\u7684\u901a\u8baf\u4e32\u53e3\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u6253\u5f00\u4e32\u53e3\r\n\/\/\/ <\/summary>\r\n\/\/\/ <returns><\/returns>\r\npublic Boolean openUartOfModbus()\n```\n\r\n\r\n\r\n\r\n\r\n\n\u5173\u95ed\u4e32\u53e3\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u5173\u95ed\u4e32\u53e3\r\n\/\/\/ <\/summary>\r\n\/\/\/ <returns><\/returns>\r\npublic Boolean closeUartOfModbus()\n```\n\r\n\r\n\r\n\r\n\r\n\n\u542f\u52a8\u00a0MODBUS\u00a0RTU\u00a0\u7684\u5b9a\u65f6\u626b\u63cf\u4e1a\u52a1\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u542f\u52a8 MODBUS \u626b\u63cf\u4e1a\u52a1\r\n\/\/\/ <\/summary>\r\npublic void startModbusWork()\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n\u53d1\u9001 MODBUS\u00a0RTU\u00a0\u6307\u4ee4\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\u53d1\u9001\u6570\u636e\r\n*\r\nint slaveAddr = \u4ece\u7ad9\u5730\u5740\r\nint addrTe = \u8bfb\u5199\u7684\u542f\u59cb\u5730\u5740\r\nint cmdTe = \u529f\u80fd\u7801\r\nint lenTe =\u8bfb\u51fa\u6570\u636e\u957f\u5ea6\r\nbyte[] msgBuf = \u5f85\u5199\u5165\u7684\u6570\u636e\u7684\u7f13\u51b2\u671f\uff0c\u6bcf\u4e2a\u5b57\u5360 2BYTE\r\nint msgLen  = \u5199\u5165\u7684\u6570\u636e\u957f\u5ea6\r\nreturn :\r\n*   true = \u5df2\u53d1\u9001\u6570\u636e\uff0cfalse = \u672a\u53d1\u9001\r\n*\r\n*********************************************************************\/\r\n\/\/\/ <summary>\r\n\/\/\/\r\n\/\/\/ <\/summary>\r\npublic Boolean sendModbusMsg(int slaveAddr,int cmdTe, int addrTe, int lenTe, byte[]\r\nmsgBuf, int msgLen)\n```\n\r\n\r\n\r\n\r\n\r\n\nMODBUS\u00a0RTU\u00a0\u7684\u5b9e\u4f8b\u7684\u56de\u8c03\u65b9\u6cd5\uff0c\u8fd4\u56de\u6240\u6709\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\n\n\r\n\r\n\r\n\r\n\r\n\n```\nResult =  \"E00\"\uff1b\u8868\u793a\"\u521b\u5efa\u4e32\u53e3\u5931\u8d25:\"\r\nResult =  \"E01\"\uff1b\u8868\u793a\"\u4e32\u53e3\u53f7\u672a\u8bbe\u7f6e:\"\r\nResult =  \"E02\"\uff1b\u8868\u793a\"\u505c\u6b62\u4f4d\u53c2\u6570\u9519\u8bef:\"\r\nResult =  \"E03\"\uff1b\u8868\u793a\"\u6821\u9a8c\u4f4d\u53c2\u6570\u9519\u8bef:\"\r\nResult =  \"F00\"\uff1b\u8868\u793a\"\u6821\u9a8c\u4f4d\u53c2\u6570\u9519\u8bef:\"\r\nResult =  \"Y00\"\uff1b\u8868\u793a\"\u521b\u5efa\u4e32\u53e3\u6210\u529f:\"\r\nResult =  \"M00\"\uff1b\u8868\u793a\"\u63a5\u6536\u5230\u4e32\u53e3\u6570\u636e:\"\n```\n\r\n\r\n\r\n\r\n\r\n\n\u58f0\u660e\u5173\u4e8e\u4e8b\u4ef6\u7684\u59d4\u6258,\u53c2\u6570\u4e3a\u8981\u56de\u4f20\u7684\u6570\u636e\u7c7b\u578b,\u4e32\u53e3\u63a5\u6536\u6570\u636e\n\n\r\n\r\n\r\n\r\n\r\n\n```\npublic delegate void ModbusRTU_EventHandler(string result, byte[] msg) ;\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\nMODBUS\u00a0RTU\u00a0\u7684\u5b9e\u4f8b\u7684\u56de\u8c03\u65b9\u6cd5\uff0c\u8fd4\u56de\u6240\u6709\u4e32\u53e3\u6536\u5230\u7684\u6570\u636e\u4e14\u7ecf\u8fc7\u5730\u5740\u548c\u6821\u9a8c\u7801\u9a8c\u8bc1\u7684\n\n\r\n\r\n\r\n\r\n\r\n\n```\nResult =  \"AE0\"\uff1b\u8868\u793a\"\u521b\u5efa\u4e32\u53e3\u5931\u8d25:\"\r\nResult =  \"CE0\"\uff1b\u8868\u793a\"\u4e32\u53e3\u53f7\u672a\u8bbe\u7f6e:\"\r\nResult =  \"DE0\"\uff1b\u8868\u793a\"\u505c\u6b62\u4f4d\u53c2\u6570\u9519\u8bef:\"\r\nResult =  \"D00\"\uff1b\u8868\u793a\"\u63a5\u6536\u5230\u6b63\u786e\u89e3\u6790\u7684\u4e32\u53e3\u6570\u636e:\"\r\nResult =  \"D01\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x01--\u6b63\u786e\u5e94\u7b54\u6570\u636e\uff01 :\"\r\nResult =  \"D02\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x02--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D03\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x03--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D04\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x04--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D05\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x05--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D06\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x06--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D0F\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x0F--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\r\nResult =  \"D10\"\uff1b\u8868\u793a\"\u529f\u80fd\u7801 0x10--\u6b63\u786e\u5e94\u7b54\u6570\u636e \uff01\"\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n\u58f0\u660e\u5173\u4e8e\u4e8b\u4ef6\u7684\u59d4\u6258,\u53c2\u6570\u4e3a\u8981\u56de\u4f20\u7684\u6570\u636e\u7c7b\u578b,\u4e32\u53e3\u63a5\u6536\u6570\u636e\u5e76 MODBUS\u00a0\u9a8c\u8bc1\n\n\r\n\r\n\r\n\r\n\r\n\n```\npublic delegate void ModbusRTU_DecodeHandler(string result, byte[] msg) ;\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n\u5efa\u7acb 1 \u4e2a MODBUS RTU\u00a0\u4ece\u7ad9\u7684\u5217\u8868\uff1b\n\n\r\n\r\n\r\n\r\n\nDLL\u00a0\u4f1a\u6839\u636e\u8bbe\u5907\u6570\u81ea\u52a8\u626b\u63cf\uff1b\u5bf9\u4e8e\u6ca1\u6709\u7684\u529f\u80fd\uff0c\u6307\u5b9a\u957f\u5ea6\u4e3a 0 \u5373\u53ef\uff1b\u5982 16 \u5165 16 \u51fa\u6570\u5b57\u91cf\u6a21\u5757\u5219\u53ef\u6307\u00a0\u5b9a\u8f93\u5165\u5bc4\u5b58\u5668\u548c\u4fdd\u6301\u5bc4\u5b58\u5668\u957f\u5ea6\u4e3a 0\u00a0\n\n\r\n\r\n\r\n\r\n\r\n\n```\n\/\/\/ <summary>\r\n\/\/\/ \u5efa\u7acb\u626b\u63cf\u5217\u8868\r\n\/\/\/ <\/summary>\r\n\/\/\/ <param name=\"SlaveAddr\">\u8bbe\u7f6e\u5f53\u524d\u4ece\u7ad9\u7684\u7ad9\u53f7<\/param>\r\n\/\/\/ <param name=\"CoilLen\">\u8bbe\u7f6e\u5f53\u524d\u4ece\u7ad9\u7684\u8f93\u51fa\u7ebf\u5708\u4e2a\u6570<\/param>        \/\/\/ <param name=\"DiscLen\">\u8bbe\u7f6e\u5f53\u524d\u4ece\u7ad9\u7684\u8f93\u5165\u6570\u5b57\u91cf\u4e2a\u6570<\/param>      \/\/\/ <param name=\"InputRegLen\">\u8bbe\u7f6e\u5f53\u524d\u4ece\u7ad9\u7684\u8f93\u5165\u5bc4\u5b58\u5668\u4e2a\u6570<\/param>  \/\/\/ <param name=\"HoldingRegLen\">\u8bbe\u7f6e\u5f53\u524d\u4ece\u7ad9\u7684\u4fdd\u6301\u5bc4\u5b58\u5668\u4e2a\u6570<\/param>\r\npublic DeviceMdEnty(int SlaveAddr,  int CoilLen,  int DiscLen,  int InputRegLen,  int\r\nHoldingRegLen)\n```\n\r\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n \n\n\r\n\r\n\r\n\r\n\n \n\n---\n*modbus.cn*\n"