GE AF-650 GP - Input Signal Types; Control Terminals and Wiring Practices; Output Signal Types

Case 2: Positive Reference with Dead band, Digital input to trigger reverse. Clamping rules.
This Case shows how Reference input with limits outside -Max – +Max limits clamps to the inputs low and high limits before addition to External reference. And
how the External reference is clamped to -Max – +Max by the Reference algorithm.
AF-650 GP Design Guide
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