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 ...
ABB has launched a new grid feeding monitoring relay with a communication interface that enables users to visualize and store process data remotely, and to perform remote tripping, monitoring and ...
MENOMONEE FALLS, Wis. — Three-phase monitor relays that protect equipment from voltage faults and communicate voltage parameters via Modbus TCP have been introduced by Macromatic Industrial Controls, ...