October 2004

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HP Integration Strategies: Alarm management: more important than ever

Almost since the beginning of the concept of automatic control, there have been process alarms. For most process plants, automatic control has progressed far beyond early control devices that operated..

Hill, D., ARC Advisory Group

Almost since the beginning of the concept of automatic control, there have been process alarms. For most process plants, automatic control has progressed far beyond early control devices that operated independently. Control loops are commonly coordinated through advanced process control strategies to ensure that they work in concert. If a measurement changes, the control loops affected will respond correctly in a cooperative way. Control strategies are developed to drive toward the common goal of optimum performance while maintaining equilibrium. When the equilibrium is interrupted, many put their faith in the fact that alarms will warn operators of malfunctions and allow them to return the

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