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EasyModbusTCP/UDP/RTU .NET download for Windows

Free download EasyModbusTCP/UDP/RTU .NET Windows app to run online win Wine in Ubuntu online, Fedora online or Debian online

This is the Windows app named EasyModbusTCP/UDP/RTU .NET whose latest release can be downloaded as EasyModbusTCP.NETPackageV5.5.zip. It can be run online in the free hosting provider OnWorks for workstations.

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Modbus TCP, Modbus UDP and Modbus RTU client/server library for .NET

Supports Function Codes:

- Read Coils (FC1)
- Read Discrete Inputs (FC2)
- Read Holding Registers (FC3)
- Read Input Registers (FC4)
- Write Single Coil (FC5)
- Write Single Register (FC6)
- Write Multiple Coils (FC15)
- Write Multiple Registers (FC16)

V5.5: Bugfixes and MQTT Bridge removed

V5.0: Major Bugfixes and Event Handlers changed

V4.4 HF1: Bugfix excessive CPU-Load Modbus TCP Server

V4.4: Bugfix Modbus RTU and MQTT

V4.3: Bugfixes Modbus RTU
Webview for Modbus Server Simulator and MQTT functionality for Server

V4.0: Added Mqtt Bridge, which allows to poll values from a Server and publish to a Mqqt-Broker

V3.0: Bugfix Client wrong size FC15

V2.9: Static Methods to send and receive 64 Bit values
Bugfix Event coils changed - quantity


  • Modbus TCP
  • Modbus UDP
  • Modbus RTU
  • CRC Checking
  • ATMEL Atmega Slave
  • Siemens
  • Step 7
  • Mqtt
  • Modbus2Mqtt

Programming Language


This is an application that can also be fetched from https://sourceforge.net/projects/easymodbustcp/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.