ABB NBIO-21CU ANALOG IO-UNIT
The ABB NBIO-21CU is a robust I/O module designed for industrial automation, featuring 21 digital inputs and 8 relay outputs. It operates within a wide temperature range of -25°C to +70°C, ensuring reliability in harsh environments. Typical applications include machine control and monitoring in manufacturing and process industries. Compared to the ABB DO572, which focuses solely on switch outputs, the NBIO-21CU offers more versatile I/O options, making it suitable for complex systems requiring both input and output functionalities.
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