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 ...
These modules work with the company's BusWorks XT and other Ethernet discrete I/O modules. The XTA-MRNO-6 is an interposing relay module with six digital inputs and six mechanical relay outputs ...