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What is the meaning of Quantum analog input module 140ACI04000 isolation of 1780V between channel and bus.

Isolation between channel to Bus @1780V AC means that quantum backplane bus will be protected upto 1780V AC for 1min generated through channel(field) .

Channel: Channel is the terminal where field connection to be terminated.
Bus: Bus is a backplane bus circuitry where module is connected to get energize its circuit.

Isolation voltage i.e. 1780V will be not displayed anywhere, it is a internal component phenomenon to protect the circuit in case of over voltage.
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