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JLibModbus – Java Modbus Library

JLibModbus is an implementation of the Modbus protocol v1.1b in java language.

The library supports the most popular communication libraries (jssc, rxtx, jSerialComm, purejavacomm, java comm api);

Maven dependency:


Implemented MODBUS functions:
0x01 Read Coils
0x02 Read Discrete Inputs
0x03 Read Holding Registers
0x04 Read Input Registers
0x05 Write Single Coil
0x06 Write Single Register
0x07 Read Exception Status
0x08 Diagnostics
0x0B Get Comm Event Counter
0x0C Get Comm Event Log
0x0F Write Multiple Coils
0x10 Write Multiple Registers
0x11 Report Slave Id
0x14 Read File Record
0x15 Write File Record
0x16 Mask Write Register
0x17 Read Write Multiple Registers
0x18 Read Fifo Queue
0x2B Encapsulated Interface Transport (Read Device Identification interface)

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Website https://github.com/kochedykov/jlibmodbus
  • Modbus RTU
  • Modbus TCP
  • Modbus ASCII
  • Modbus slave
  • Modbus master