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 ...
Modbus/RTU Master capability has been added to the IntelliLogger line of rugged, network-enabled, stand-alone data logging, reporting and alarming instruments. IntelliLogger samples connected analog, ...