Danfoss FC 300 Design Manual page 29

FC 300 Design Guide 3 Introduction to AutomationDrive FC 300
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.
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