This is the Windows app named EasyModbusTCP/UDP/RTU .java whose latest release can be downloaded as EasyModbusJava.jar. It can be run online in the free hosting provider OnWorks for workstations.
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DESCRIPTIONModbus TCP, Modbus UDP and Modbus RTU client/server library and Simulators for JAVA
Suitable for data exchange between JAVA-Applications and PLCs like Schneider-electric; Siemens S7; Wago; Bosch-Rexroth; CoDeSys Devices and many more.
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)
- Read/Write Multiple Registers (FC23)
See http://www.easymodbustcp.net for implementation guide and codesamples
V2.7: Bugfixes and Methods to send/receive String
V2.6: Timeout Modbus RTU
V2.5: Bugfixes and Modbus RTU Impementation for Client
Packaged has been changed; that means that this version is imcompatible with previous versions.
V2.4: Improved Exception Handling
V2.3 HF2: Bugfixes Modbus TCP Server
- Modbus TCP
- Modbus UDP
- Modbus RTU
- Step 7
This is an application that can also be fetched from https://sourceforge.net/projects/easymodbustcp-udp-java/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.