This is second tutorial in the Modbus series and today we will see how to use the STM32 as the master to read the coils and Discrete inputs.
MODBUS Communication Tutorials
MODBUS tutorials using STM32 for serial communication over RS485. Includes master and slave setup, register read/write, and handling real-time data using MODBUS RTU protocol. Suitable for industrial and embedded applications with working code and hardware-level tests.
Modbus #1. STM32 Master Reads Holding and Input Registers
How to use the STM32 as the master requesting the data from the holding registers and input registers from the slave device..
Modbus has become a standard communications protocol in industries, and is now the most commonly available means of connecting…