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 ...
Open Systems International, Inc. has released the OSIRIS XM (OSI Remote Information System Expansion Module). OSIRIS XM is a convenient and affordable means to add I/O expansion to OSI’s ...
iOS 7 app allows communication with Sealevel Modbus TCP compatible products including SeaI/O and eI/O modules, accessing the registers, coils and discretes of a Modbus device from a connected iPhone ...
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