Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

Research presented at this week's Black Hat conference highlights a new threat via protocol translation attacks and reveals 9 flaws found in protocol gateways from different vendors. Security ...

Modbus TCP connections pose many benefits over RTU RS-485 alternatives. Image: PV Tech. In the last couple of years, the market has seen a few commercial and industrial (C&I) inverter models and ...

POSITAL has added support for the Modbus RTU communications protocols to its popular TILTIX family of inclinometers (tilt sensors). POSITAL has added support for the Modbus RTU communications ...

“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 ...

Emerson’s Rosemount 350A sensor is designed for high-temperature and high-pressure applications, capable of measuring up to 155°C and 400 psig. It utilizes digital communication protocols like Modbus ...