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Industrial 6631966D1 Analog Output Module Net 90

Industrial 6631966D1 Analog Output Module Net 90

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Description:

NAOM01, Bailey 6631966D1, is an eight-channel analog output module designed for ABB Bailey INFI 90, Network 90, and Symphony DCS families. Mounted in a Bailey I/O rack, it converts the digital control signals from the DCS controller into eight discrete analog outputs (AO1–AO8) that drive final‑control devices, enabling multi‑channel loop control. The part number 6631966D1 identifies this NAOM01 assembly, and the module weighs about 0.85 lb. As a legacy Bailey component, it is documented within the INFI 90 lineage and is commonly referenced alongside the IMAOM01 family of Analog Output Modules. The NAOM01 has been discontinued by the manufacturer, with remaining units typically obtained through refurbishers, surplus distributors, or used-parts markets. In practical terms, it serves process-control applications requiring independent analog outputs to valves, actuators, dampers, or speed references within INFI 90/Open, Network 90, or Harmony system environments.
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