Overview

This is an Arduino class library for communicating with Modbus slaves over RS232/485 (via RTU protocol).

Features

The following Modbus functions have been implemented:

• 0x01 - Read Coils
• 0x02 - Read Discrete Inputs
• 0x05 - Write Single Coil
• 0x0F - Write Multiple Coils

• 0x03 - Read Holding Registers
• 0x04 - Read Input Registers
• 0x06 - Write Single Register
• 0x10 - Write Multiple Registers
• 0x16 - Mask Write Register
• 0x17 - Read Write Multiple Registers

Relocated

NOTE: Project is now hosted at Github.