Small Python scripts for reading data from SAJ H2-series inverters via Modbus TCP. I put this together because my inverter doesn’t expose its web UI and I didn’t have physical access to it for a while ...

Modbus is one of the oldest and still most popular industrial communication protocols on the planet. Created by Modicon in 1979, it is today the lingua franca of sensors, drives, energy meters and ...

Modbus_Comm_Load is initialized during start-up by using the first scan flag. Execution of Modbus_Comm_Load in this manner should only be done when the serial port configuration will not change at ...

“Not being overcomplicated is Modbus TCP/IP’s biggest draw, not only for PLCs, but especially for PC-based applications,” said Jason Haldeman, senior product specialist for I/O and networking at ...