mattythorne / easymodbustcp.java

EasyModbusTCP library for Java implementation

Modbus 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.

Download Package at:

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

javadoc: http://easymodbustcp.net/javadoc/javadoc/index.html

This file is part of the EasyModbus library.

EasyModbus is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

EasyModbus is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with EasyModbus. If not, see http://www.gnu.org/licenses/.