User Guide - Eurotherm Ltda

nanodac RECORDER/CONTROLLER: USER GUIDE4.7.3 Advanced Loop Tune Menu (Cont.)Tune HighTune LowOutput HighOutput LowStateStageStage TimeDiagnosticsHysteresisSets the maximum value for the master loop setpoint during the tuning process.Sets the minimum value for the master loop setpoint during the tuning process.The maximum output power level which the controller may supply during the tuningprocess. If ‘Output High’ in the Output menu (sSection 4.7.8) is lower than ‘High Output’then the maximum output is clipped to the ‘Output High’ value.The minimum output power level which the controller may supply during the tuningprocess. If ‘Output Low’ in the Output menu ((Section 4.7.8) is higher than ‘Low Output’then the minimum output is clipped to the ‘Output Low’ value.The current autotune state.Off: Autotune not enabledReady: Fleeting display. Changes immediately to ‘Running’Running: Autotune runningComplete: The tune process completed successfully. Fleeting display before returningto ‘Off’.Time-Out: A timeout error has occurred and the autotune has been aborted.Ti LimitR2G LimitResetNoneSettlingCurrent SPNew SPTo SPWait MaxWait MinStoreCoolTPIDAbortCompleteNewR2G1:Half Cycle2:Full Cycle3:Full Cycle4:FinalCycle5:Calc.Elapsed time since entering this stage of the tuning.If this is enabled, a number of further parameters become visible.This defines the hysteresis of the switch used during master autotuning to generate theoscillation. It is set as a % of the master PV range (High Range - Low Range) in engineeringunits being +/- Hysteresis/2 about the tuning setpointPage 110HA030554Issue 7 Nov 12