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RS-485 Remote I/O
Remote serial I/O products offer process engineers the benefit of simple wiring, as they only require two wires to communicate with the controller and other RS-485 devices while adopting the EIA/TIA RS-485 communication protocol to transmit and receive data at high speed over long distances.
![RS-485 Remote I/O](https://cdn11.bigcommerce.com/s-exhcjslbho/images/stencil/1280x1280/e/rs-485 remote i:o__97038.original.jpg)