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Modbus TCP, UDP and Modbus RTU client/server library
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)
V5.6: Upload lates version
- This will probably the last version for .NET Framework 4.0
- The next Version will be based on new .NET5 and redesigned
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 ServerSimulator and MQTT functionality for Server
Modbus TCP/UDP ServerSimulator and Modbus RTU Slave Simulator
Modbus TCP Serversimulator and library for .NET and Java implementation.
See Library and source code: www.easymodbustcp.net
For Connection to Modbus-TCP, Modbus-UDP clients, and Modbus RTU Master.
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 V2.5:
- Upgrade Library with new functions
Version V1.1:
- Asynchronous Reading and Writing to Speed up Server
Version V1.0:
- Bugfixes
Version V0.96:
- Bugfix
- ServerSimulator 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)
Use PLC-logger to store and analyze data from almost every PLC-system.
The following PLC-Systems are accessible:
- Every PLC-System running a Modbus-TCP / Modbus-UDP Server
- Siemens S7 via IBH NetLink
- Siemens S7 with Ethernet-Interface
- Codesys-based PLC-Systems
- via OPC-Servers
V0.61:
- Bugfixes
V0.60:
- Some Bugfixes
- Some data evaluation
V0.59:
- Modbus TCP ServerSimulator supports Modbus UDP
- Possibility to set bookmarks
V0.57:
- Modbus UDP supported
- Edit configuration from connection-manager
- Configuration keeps selected after starting or stopping
V0.56 HF1:
- Bugfix executing EasyModbusTCP ServerSimulator
V0.56:
- Integration of EasyModbusTCP ServerSimulator in "Tools"-Menue
- Improvements in Modbus-Connection Wizard
- Modbus Addresses shifted by (-1) to meet Modbus specification