WEST P4100 - 15 Appendix 1 - Glossary; Active Setpoint; Actual Setpoint

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Page 106 Glossary 59305, Issue 5 – March 2005
15 Appendix 1 – Glossary
This Glossary explains the technical terms and parameters used in this manual. The entry
type is also shown:
General Definition: Terms applicable to the entire model range.
Controller Definition: Terms applicable to controller models only.
Limit Controller Definition: Terms applicable to limit controller models only.
Indicator Definition: Terms applicable to indicator models only.
General Parameter: Parameters applicable to the entire model range.
Controller Parameter: Parameters applicable to controller models only.
Controller Tuning Parameter: Parameters relating to the tuning of controller models
Indicator Parameter: Parameters applicable to indicator models only.
Active Setpoint Type: Controller Definition
Active Setpoint is the setpoint used as the current target SP value. Some controllers can
have more than one setpoint, but only one of these is active at any time.
Also refer to Remote Setpoint, Setpoint, Setpoint Select and Setpoint Select Enable.
Actual Setpoint Type: Controller Definition
Actual Setpoint is the current value of the setpoint. This may be different to the Active
Setpoint’s target value if the setpoint is currently ramping. The actual setpoint will rise/fall at
the ramp rate set, until it reaches the target setpoint value.
Also refer to Active Setpoint, Setpoint, Setpoint Ramp Enable and Setpoint Select.