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For UCN system applications, Honeywell 621-1151 provides the function of a Digital Input Module.
For replacement planning, 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. Its role should remain distinct from that of similarly named assemblies.
For system maintenance, this product is associated with the UCN family and the control system modules category. Configuration and compatibility should be confirmed for the exact system in which it will be used. Application details remain governed by the exact product revision.
Country of origin is listed as United States of America.
Digital Input Module
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