Quido Duplex RS - transmission of two-state signals over RS485/RS232 (4 channels)
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Quido Duplex RS 4 - transmission of two-state signals over RS485/RS232
QuidoDuplex RS is a kit of two devices that can transmit several two-state signals over RS485 (using only two wires) or RS232.
Applying voltage or closing a contact on one module activates the corresponding relay on the other module, which allows logic states to be transferred remotely between two points of the installation without conventional signal cabling.