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modbus master tool for serial modbus communication (modbus RTU)
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README.md

mbrtu

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Description

mbrtu is a small command line tool to communicate with modbus slaves on a serial (RS485) bus (RTU). It is based on libmodbus. mbrtu is a short form of "Modbus RTU".

Requirements

libmodbus libmodbus >= 3.1.3

Installation

  • compile static libmodbus library
  • copy the resulting libmodbus.a to /usr/local/lib or into this directory and adapt Makefile
  • $ make
  • $ make install

Settings

The program mbrtu only accepts command line options. It doesn't read any configuration file. It can only be used as modbus master. To list all available options:

$ ./mbrtu -h
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