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Within the Bailey Infi 90 product line, ABB NTU-7A9M0 serves as an Isolated Analog Input Module.
From a maintenance perspective, a digital input module receives discrete on/off states from field contacts and devices, then makes those states available to the controller for monitoring, sequencing, alarms, and interlocks. Connection and configuration should follow the requirements of the platform.
In an Infi 90 installation, modules are assigned distinct control, signal, communication, and support responsibilities. Preserving the exact product identity helps maintain the configuration documented for the affected control node. The plant's maintenance records should support final product selection.
In the signal path, this approach helps preserve the intended system function while keeping selection aligned with the documented ratings, capacity, and compatibility requirements. The system's documented hardware assignment should guide placement.
ABB Bailey Infi 90 Isolated Analog Input Module
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