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EasyModbusTCP Server .NET

Modbus TCP and Modbus UDP Server Simulator and .NET/Java library

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Modbus TCP Server simulator and library for .NET and Java implementation.

For Connection to Modbus-TCP and Modbus-UDP Client.
Server listens at port 502 (can be changed).
Shows also Protocol informations.
Allows Multiple connections

Digital Inputs; Coils; Input Registers and Holding Registers can be viewed and changed in a table-view

Version V0.96:
- Bugfix
- Server Simulator available as Java-Version

Version V0.95:
- Modbus UDP supported

Version V0.94:
- Some Bugfixes

Version V0.93:
- Added Function code 16 (Write Multiple Registers)
- Some measures to speed up Modbus-Server
- DLL-Library for .NET implementations added

Version V0.92:
- Added Function code 15 (Write Multiple Coils)

Version V0.91:
- Supported Function-codes can be disabled
- Some adjustments concerning Display of Exception-codes

EasyModbusTCP Server .NET Web Site


  • Modbus TCP Server
  • Protocol Analyzer

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Additional Project Details



User Interface

Java Swing, .NET/Mono

Programming Language

C#, Java


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