"# .NET\u548cDelphi\u5e73\u53f0Modbus\u5f00\u53d1\u5e93\u5927\u5168\uff1aNModbus\u3001FreeModbus.NET\u4e0eDelphi\u7ec4\u4ef6\n\n> 2026-06-26 | 2026-06-26\n> https:\/\/www.modbus.cn\/en\/43935.html\n\n**Modbus\u7f16\u7a0b\u5f00\u53d1**\n\n---\n\n## .NET \u5e73\u53f0\u7684 Modbus \u5f00\u53d1\u751f\u6001\n\n\u5728 Windows \u5de5\u4e1a\u81ea\u52a8\u5316\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c.NET\uff08C#\/VB.NET\uff09\u662f\u6700\u4e3b\u6d41\u7684\u5f00\u53d1\u5e73\u53f0\u4e4b\u4e00\u3002modbus.org \u63a8\u8350\u4e86\u591a\u4e2a .NET \u5e73\u53f0\u7684 Modbus \u5e93\uff0c\u6db5\u76d6\u4e86\u4ece\u5f00\u6e90\u514d\u8d39\u5230\u5546\u4e1a\u652f\u6301\u7684\u4e0d\u540c\u9009\u62e9\u3002\u672c\u6587\u5c06\u9010\u4e00\u4ecb\u7ecd\u8fd9\u4e9b\u5e93\u7684\u7279\u70b9\u548c\u4f7f\u7528\u65b9\u6cd5\u3002\n\n## NModbus \u2014\u2014 \u6700\u6d41\u884c\u7684 C# Modbus \u5e93\n\nNModbus \u662f .NET \u5e73\u53f0\u4e0a\u6700\u6210\u719f\u3001\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684 Modbus \u5f00\u6e90\u5e93\u3002\u6700\u65e9\u6258\u7ba1\u5728 Google Code\uff0c\u73b0\u5df2\u8fc1\u79fb\u81f3 GitHub\uff1a[github.com\/NModbus\/NModbus](https:\/\/github.com\/NModbus\/NModbus)\u3002NuGet \u5305\u540d\uff1a`NModbus`\u3002\n\n### \u529f\u80fd\u7279\u6027\n\n- \u652f\u6301 Modbus RTU\uff08\u4e32\u53e3\uff09\u3001Modbus ASCII\u3001Modbus TCP \u548c Modbus UDP \u56db\u79cd\u4f20\u8f93\u6a21\u5f0f\n- \u5b8c\u6574\u652f\u6301\u6240\u6709\u5e38\u7528\u529f\u80fd\u7801\uff08FC01-FC06, FC15, FC16\uff09\n- \u901a\u8fc7 NuGet \u5305\u7ba1\u7406\u5668\u4e00\u952e\u5b89\u88c5\n- \u652f\u6301 .NET Framework \u548c .NET Core \/ .NET 5+\n- \u5f00\u6e90\u8bb8\u53ef\u8bc1\uff1aMIT\uff08\u53ef\u5546\u7528\uff09\n\n### \u5b89\u88c5\n\n```\n# NuGet \u547d\u4ee4\u884c\u5b89\u88c5\ndotnet add package NModbus\n\n# \u6216\u901a\u8fc7 Visual Studio \u7684 NuGet \u5305\u7ba1\u7406\u5668\u641c\u7d22 \"NModbus\"\n```\n\n### Modbus TCP \u8bfb\u5199\u793a\u4f8b\n\n```\nusing System;\nusing System.Net.Sockets;\nusing NModbus;\n\n\/\/ \u521b\u5efa TCP \u5ba2\u6237\u7aef\nusing var client = new TcpClient(\"192.168.1.100\", 502);\nvar factory = new ModbusFactory();\nvar master = factory.CreateMaster(client);\n\n\/\/ \u8bfb\u53d6\u4ece\u7ad9 1 \u7684\u4fdd\u6301\u5bc4\u5b58\u5668 0-9\nushort[] registers = master.ReadHoldingRegisters(1, 0, 10);\nConsole.WriteLine(\"\u8bfb\u53d6\u7ed3\u679c:\");\nfor (int i = 0; i < registers.Length; i++)\n    Console.WriteLine($\"  \u5730\u5740 {i}: {registers[i]}\");\n\n\/\/ \u5199\u5165\u5355\u4e2a\u5bc4\u5b58\u5668\nmaster.WriteSingleRegister(1, 0, 1234);\n\n\/\/ \u6279\u91cf\u5199\u5165\u591a\u4e2a\u5bc4\u5b58\u5668\nushort[] writeData = { 100, 200, 300 };\nmaster.WriteMultipleRegisters(1, 10, writeData);\n```\n\n### Modbus RTU \u4e32\u53e3\u901a\u4fe1\n\n```\nusing System.IO.Ports;\nusing NModbus;\n\nusing var port = new SerialPort(\"COM3\")\n{\n    BaudRate = 9600,\n    DataBits = 8,\n    Parity = Parity.None,\n    StopBits = StopBits.One\n};\nport.Open();\n\nvar factory = new ModbusFactory();\nvar master = factory.CreateRtuMaster(port);\n\nushort[] data = master.ReadHoldingRegisters(1, 0, 5);\nforeach (var val in data)\n    Console.WriteLine(val);\n```\n\n## Free .NET Modbus\uff08free-dotnet-modbus\uff09\n\nFree .NET Modbus \u662f\u53e6\u4e00\u4e2a\u5f00\u6e90\u7684 .NET Modbus \u5e93\uff0c\u6258\u7ba1\u5728 Google Code Archive\u3002\u4e0e NModbus \u7c7b\u4f3c\uff0c\u5b83\u4e5f\u652f\u6301 Modbus ASCII\u3001RTU\u3001TCP \u548c UDP\u3002\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u65e7\u7248 .NET Framework\uff082.0\/3.5\uff09\uff0c\u8fd9\u4e2a\u5e93\u53ef\u80fd\u6709\u66f4\u597d\u7684\u517c\u5bb9\u6027\u3002\u4f46\u5bf9\u4e8e\u65b0\u9879\u76ee\uff0c\u63a8\u8350\u4f7f\u7528\u6d3b\u8dc3\u7ef4\u62a4\u7684 NModbus\u3002\n\n## ASComm.NET \u2014\u2014 \u5546\u4e1a\u7ea7 .NET Modbus \u9a71\u52a8\n\nASComm.NET \u662f Automated Solutions \u516c\u53f8\u7684\u5546\u4e1a .NET \u7ec4\u4ef6\uff0c\u5b98\u7f51\uff1a[automatedsolutions.com](http:\/\/automatedsolutions.com\/products\/dotnet\/ascomm\/)\u3002\u5b83\u662f\u5b8c\u5168\u6258\u7ba1\u7684 .NET \u5e93\uff0c\u4e0d\u4ec5\u652f\u6301 Modbus TCP\/RTU\/ASCII\uff0c\u8fd8\u652f\u6301 Allen-Bradley Logix\u3001PLC5\u3001SLC500\u3001MicroLogix \u548c GE SRTP \u7b49\u591a\u79cd\u5de5\u4e1a\u534f\u8bae\u3002\n\n### \u6838\u5fc3\u7279\u6027\n\n- **\u53ef\u89c6\u5316\u8bbe\u8ba1**\uff1a\u65e2\u53ef\u4ee5\u901a\u8fc7\u4ee3\u7801\u914d\u7f6e\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7 Visual Studio \u7684\u5c5e\u6027\u7a97\u53e3\u53ef\u89c6\u5316\u914d\u7f6e\n- **\u540e\u53f0\u626b\u63cf**\uff1a\u4ee5\u6307\u5b9a\u901f\u7387\u81ea\u52a8\u626b\u63cf\u6570\u636e\u70b9\uff0c\u68c0\u6d4b\u5230\u6570\u636e\u53d8\u5316\u65f6\u89e6\u53d1\u4e8b\u4ef6\n- **\u5e8f\u5217\u5316\u652f\u6301**\uff1a\u914d\u7f6e\u53ef\u5e8f\u5217\u5316\u4e3a XML\/JSON \u683c\u5f0f\n- **30 \u5929\u514d\u8d39\u8bd5\u7528**\uff1a\u65e0\u529f\u80fd\u9650\u5236\uff0c\u5b8c\u6574\u7248\u53ef\u5145\u5206\u6d4b\u8bd5\n- **\u591a\u534f\u8bae**\uff1a\u4e00\u4e2a\u7ec4\u4ef6\u652f\u6301 Modbus + Allen-Bradley + GE \u7b49\n\n### ASComm.NET \u4ee3\u7801\u793a\u4f8b\n\n```\nusing ASComm.NET;\n\n\/\/ \u521b\u5efa Modbus TCP \u901a\u4fe1\u7ec4\u4ef6\nvar comm = new ModbusTcpComm();\ncomm.RemoteAddress = \"192.168.1.100\";\ncomm.RemotePort = 502;\n\n\/\/ \u6dfb\u52a0\u8981\u626b\u63cf\u7684\u6570\u636e\u7ec4\nvar group = new ModbusScanGroup();\ngroup.SlaveId = 1;\ngroup.StartAddress = 0;\ngroup.Length = 10;\ngroup.ScanRate = 1000; \/\/ \u6bcf\u79d2\u626b\u63cf\u4e00\u6b21\n\n\/\/ \u6570\u636e\u53d8\u5316\u4e8b\u4ef6\ngroup.DataChanged += (s, e) =>\n{\n    Console.WriteLine($\"\u5730\u5740 {e.Address} \u53d8\u4e3a {e.Value}\");\n};\n\ncomm.ScanGroups.Add(group);\ncomm.Connect();\n```\n\n## Delphi ModbusTCP \u7ec4\u4ef6\n\n\u5bf9\u4e8e Delphi\/Lazarus \u5f00\u53d1\u8005\uff0c\u6709\u4e00\u4e2a\u5f00\u6e90\u7684 Modbus TCP \u7ec4\u4ef6\u96c6\uff0c\u6258\u7ba1\u5728 SourceForge\uff1a[sourceforge.net\/projects\/delphimodbus](http:\/\/sourceforge.net\/projects\/delphimodbus\/)\u3002\u5b83\u57fa\u4e8e Indy\uff08Internet Direct\uff09\u7f51\u7edc\u7ec4\u4ef6\u5e93\uff0c\u652f\u6301 Indy 9 \u548c Indy 10 \u4e24\u4e2a\u7248\u672c\u3002\n\n\u26a0\ufe0f **\u6ce8\u610f**\uff1a\u8fd9\u4e2a\u9879\u76ee\u6d3b\u8dc3\u5ea6\u8f83\u4f4e\uff0c\u6700\u8fd1\u7684 Delphi \u7248\u672c\uff0810.4 Sydney \/ 11 Alexandria\uff09\u53ef\u80fd\u9700\u8981\u8c03\u6574\u624d\u80fd\u76f4\u63a5\u4f7f\u7528\u3002\u5982\u679c\u9700\u8981\u5728\u65b0\u7248 Delphi \u4e0a\u5f00\u53d1 Modbus \u529f\u80fd\uff0c\u4e5f\u53ef\u4ee5\u8003\u8651\u901a\u8fc7 COM \u4e92\u64cd\u4f5c\u8c03\u7528 MBServer ActiveX\u3001\u6216\u8005\u7528 Delphi \u8c03\u7528 C \u8bed\u8a00\u7248\u7684 libmodbus \u52a8\u6001\u5e93\uff08DLL\uff09\u3002\n\n## ModLink \u2014\u2014 Delphi VCL \u539f\u751f\u7ec4\u4ef6\n\nModLink \u662f\u4e00\u5957\u7528\u4e8e Borland Delphi \u7684\u539f\u751f VCL \u7ec4\u4ef6\uff0c\u7531 Ivo Bauer \u5f00\u53d1\uff0c\u5b98\u7f51 [www.ozm.cz\/ivobauer\/modlink](http:\/\/www.ozm.cz\/ivobauer\/modlink\/)\u3002\u5b83\u662f\u4e00\u7ec4\u53ef\u76f4\u63a5\u62d6\u653e\u5230 Delphi \u7a97\u4f53\u4e0a\u7684\u53ef\u89c6\u5316\u7ec4\u4ef6\uff0c\u8ba9 Delphi \u5f00\u53d1\u8005\u65e0\u9700\u624b\u5199 Socket \u901a\u4fe1\u4ee3\u7801\u5373\u53ef\u96c6\u6210 Modbus \u901a\u4fe1\u80fd\u529b\u3002\n\nModLink \u652f\u6301\u591a\u79cd\u7f51\u7edc\u7c7b\u578b\uff0c\u5305\u62ec\uff1a\n\n- Modbus TCP\uff08\u901a\u8fc7 TModLinkTCP \u7ec4\u4ef6\uff09\n- Modbus RTU \u4e32\u53e3\uff08\u901a\u8fc7 TModLinkRTU \u7ec4\u4ef6\uff09\n- Modbus ASCII \u4e32\u53e3\n- Modbus Plus \u7f51\u7edc\n\n\u26a0\ufe0f ModLink \u662f Delphi \u65f6\u4ee3\u7684\u4ea7\u7269\uff0c\u9879\u76ee\u5df2\u591a\u5e74\u672a\u66f4\u65b0\u3002\u5982\u679c\u4f60\u5728\u7ef4\u62a4\u65e7\u7684 Delphi \u5de5\u63a7\u9879\u76ee\uff0cModLink \u4ecd\u7136\u6709\u4ef7\u503c\uff1b\u4f46\u65b0\u5efa\u9879\u76ee\u5efa\u8bae\u4f7f\u7528 NModbus\uff08.NET\uff09\u6216 pymodbus\uff08Python\uff09\u7b49\u66f4\u73b0\u4ee3\u7684\u65b9\u6848\u3002\n\n## \u5982\u4f55\u9009\u62e9 .NET\/Delphi Modbus \u5e93\n\n\u573a\u666f\u63a8\u8350\u7406\u7531\n\nC# \u65b0\u9879\u76eeNModbus\uff08NuGet\uff09MIT \u8bb8\u53ef\uff0c\u6d3b\u8dc3\u7ef4\u62a4\uff0cAPI \u7b80\u6d01\n.NET \u5546\u4e1a\u9879\u76eeASComm.NET\u591a\u534f\u8bae\u652f\u6301\uff0c\u53ef\u89c6\u5316\u914d\u7f6e\uff0c\u5546\u4e1a\u652f\u6301\n\u65e7 Delphi \u9879\u76eeModLink \u6216 DelphiModbus\u539f\u751f Delphi \u7ec4\u4ef6\uff0c\u514d\u53bb\u8de8\u8bed\u8a00\u8c03\u7528\nPython \u811a\u672cpymodbus\u6700\u6d3b\u8dc3\u7684 Python Modbus \u5e93\n\n## \u603b\u7ed3\n\n.NET \u5e73\u53f0\u7684 Modbus \u5f00\u53d1\u751f\u6001\u662f\u6700\u4e30\u5bcc\u7684\u3002\u5bf9\u4e8e\u65b0\u9879\u76ee\uff0c\u5f00\u6e90\u514d\u8d39\u7684 NModbus \u662f\u5927\u591a\u6570\u573a\u666f\u7684\u6700\u4f73\u9009\u62e9\u2014\u2014MIT \u8bb8\u53ef\u3001NuGet \u4e00\u952e\u5b89\u88c5\u3001\u652f\u6301\u6240\u6709\u4e3b\u6d41\u4f20\u8f93\u6a21\u5f0f\u3002\u5982\u679c\u9700\u8981\u540c\u65f6\u8fde\u63a5 Allen-Bradley \u6216 GE \u8bbe\u5907\uff0cASComm.NET \u63d0\u4f9b\u4e86\u7edf\u4e00\u7684\u591a\u534f\u8bae\u65b9\u6848\u3002\u800c Delphi \u5f00\u53d1\u8005\u867d\u7136\u9009\u62e9\u8f83\u5c11\uff0c\u4f46 ModLink \u548c DelphiModbus \u4e24\u4e2a\u7ec4\u4ef6\u8986\u76d6\u4e86\u6700\u57fa\u7840\u7684 Modbus TCP\/RTU \u901a\u4fe1\u9700\u6c42\u3002\n\n---\n*modbus.cn*\n"