89 lines
3.3 KiB
C#
89 lines
3.3 KiB
C#
///
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/// Copyright (c) 2013-2018 Sensus Slovensko a.s.
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///
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using System;
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using System.Collections.Generic;
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using log4net;
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using TBF.Boxes;
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namespace TBF.BenchControl.Elde.FlowMeter
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{
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public class FlowMeter : ComponentBase, GenericDevices.IFlowMeter
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(FlowMeter));
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public override string ToString() { return string.Format("FlowMeter({0})", Cfg.ToString(1)); }
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readonly FlowMeterCfg flowMeterCfg;
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readonly ControlBoardDev controlBoard;
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public int Idx1 { get { return flowMeterCfg.Idx1; } }
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public float NominalFlow { get { return flowMeterCfg.NominalFlow; } }
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public float LtrPerPulse { get { return flowMeterCfg.NominalFlow / 7200.0f; } } /// Nominal frequency is 2000 Hz
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public float LtrPerPulseCorrected(double flow, int rangeIx)
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{
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if (flow < 0.1 * NominalFlow) return LtrPerPulse; /// No correction for small flow
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/// Apply correction
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var rangeCorrections = new List<Config.Entities.MeasurementCorrection>();
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foreach (var corr in Corrections)
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{
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if (corr.RangeIx == rangeIx) rangeCorrections.Add(corr);
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}
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double correctedFlow = Config.Formulas.CorrectedValue(flow, rangeCorrections);
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return (float)(LtrPerPulse * correctedFlow / flow);
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}
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public bool RangeEnabled(int ix) { return flowMeterCfg.RangeEnabled(ix); }
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public double GetTempLo(int ix) { return flowMeterCfg.GetTempLo(ix); }
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public double GetTempHi(int ix) { return flowMeterCfg.GetTempHi(ix); }
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public double GetPressLo(int ix) { return flowMeterCfg.GetPressLo(ix); }
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public double GetPressHi(int ix) { return flowMeterCfg.GetPressHi(ix); }
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public FlowMeter()
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{
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}
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public FlowMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
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: base(cfg)
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{
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flowMeterCfg = cfg as FlowMeterCfg;
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controlBoard = (ControlBoardDev)TbfComponents.FindComponent(cfg.ParentName, components);
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if (controlBoard == null) throw new Exception("Cannot find " + Name + " parent");
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/// Prepare data for SendCalibData() control board component method
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if (Idx1 >= controlBoard.EtCalib.Length) throw new Exception("Flowmeter " + Name + " parameter 'Idx1' is out of range");
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controlBoard.EtCalib[Idx1] = flowMeterCfg.NominalFlow;
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log.Debug(this.ToString());
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}
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public double ReadFlow() { return controlBoard.ReferenceFlow; }
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public double ReadFrequency() { return controlBoard.ReferenceFreq; }
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/// <summary>
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/// Events: FlowDone, Error
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/// </summary>
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/// <param name="flow">Reference to a variable for the flow in Bar</param>
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/// <returns>ReadFlowOp instance reference casted to IOperaton</returns>
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public IOperation ReadFlowOp(ref DoubleBox flow)
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{
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return new ReadFlowOp(this, controlBoard, ref flow);
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}
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/// <summary>
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/// Events: flowDone, Error
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/// </summary>
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/// <param name="flow">Reference to a variable for the flow in Bar</param>
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/// <param name="flowDone">Event returned when measurement done</param>
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/// <returns>ReadFlowOp instance reference casted to IOperaton</returns>
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public IOperation ReadFlowOp(ref DoubleBox flow, Event flowDone)
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{
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return new ReadFlowOp(this, controlBoard, ref flow, flowDone);
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}
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}
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}
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