462 lines
17 KiB
C#
462 lines
17 KiB
C#
///
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/// Copyright (c) 2021 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.BenchControl.GenericDevices;
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using TBF.Boxes;
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namespace TBF.BenchControl.Elde.RegulValveMilwaukee
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{
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public class SetFlowOp : IOperation
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(SetFlowOp));
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public override string ToString()
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{
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return string.Format("SetFlowOp({0}, Qfrom={1}, Qto={2})", regulValve.Name, requiredFlowLo, requiredFlowHi);
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}
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/// Set by the constructor
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readonly ControlBoardDev controlBoard;
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readonly RegulValve regulValve;
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readonly int regulValveNr;
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readonly IFlowMeter flowMeter;
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readonly double requiredFlowLo;
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readonly double requiredFlowHi;
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readonly double reqFlowAve;
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readonly int timeout;
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readonly bool leaveMeasurementRunning;
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readonly bool reTryCommands;
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readonly double nominalFlow;
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readonly double maximalFlow;
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///
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/// Internal states of this operation
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///
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enum OpState
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{
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Idle = 0,
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ValveMoveToPosition1, /// Wait 1 takt
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ValveMoveToPosition2, /// This is actual move to position
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ValveMoveToPosition3, /// Wait 1 takt
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CheckStatePosition, /// Verify
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SettingPosition,
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ValveMoveToFlow1, /// Wait 1 takt
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ValveMoveToFlow2, /// This is actual move to flow
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ValveMoveToFlow3, /// Wait 1 takt
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CheckStateFlow, /// Verify
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SettingFlow,
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FlowReached,
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SendCommandAgain,
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}
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OpState opState;
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double currentReqFlowLo;
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double currentReqFlowHi;
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float targetPositionLo;
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float targetPositionHi;
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int startTime;
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int expireTime;
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DoubleBox flowBox;
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int flowWithinBoundsTime;
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/// <summary>
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/// Set required water flow. Conditionally leave the measurement running.
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/// Events: FlowSet, FlowTimeOut
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/// </summary>
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/// <param name="controlBoard">Control board device</param>
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/// <param name="regulValve">Regulation valve component</param>
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/// <param name="flowMeter">Flowmeter component</param>
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/// <param name="requiredFlowLo">Lower limit of the flow to be achieved in [m3/h]</param>
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/// <param name="requiredFlowHi">Upper limit of the flow to be achieved in [m3/h]</param>
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/// <param name="pidCoef">PID coefficient (float)</param>
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/// <param name="timeout">Timeout for the flow setting in [s]</param>
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/// <param name="leaveMeasurementRunning">true = Leave the measurement running after op. stop</param>
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/// <remarks>Only Elde.Valve flow are used, other flow on the lists are ignored</remarks>
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public SetFlowOp(ControlBoardDev controlBoard, IRegValve regulValve, IFlowMeter flowMeter, double requiredFlowLo, double requiredFlowHi,
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DoubleBox flowBox, bool reTryCmds, int timeout, bool leaveMeasurementRunning)
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{
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if (controlBoard == null) throw new ArgumentNullException("ctrlBoard");
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this.controlBoard = controlBoard;
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this.regulValve = regulValve as RegulValve;
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if (this.regulValve == null) throw new ArgumentNullException("regValve is null or not Elde");
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regulValveNr = this.regulValve.Idx1;
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if (flowMeter == null) throw new ArgumentNullException("flowMeter");
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this.flowMeter = flowMeter;
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nominalFlow = flowMeter.NominalFlow;
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maximalFlow = nominalFlow * 1.25;
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this.reqFlowAve = (requiredFlowLo + requiredFlowHi) / 2;
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this.requiredFlowLo = (0.7 * requiredFlowLo) + (0.3 * this.reqFlowAve); /// Move the lower limit 15% of the range up
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this.requiredFlowHi = (0.7 * requiredFlowHi) + (0.3 * this.reqFlowAve); /// Move the upper limit 15% of the range down
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if (flowBox == null) throw new ArgumentNullException("flowBox");
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this.flowBox = flowBox;
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this.reTryCommands = reTryCmds;
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this.timeout = timeout;
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this.leaveMeasurementRunning = leaveMeasurementRunning;
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log.Debug(this.ToString());
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}
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/// <summary>
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/// Set required water flow - Do not leave the measurement running.
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/// Events: FlowSet
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/// </summary>
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public SetFlowOp(ControlBoardDev controlBoard, IRegValve regValve, IFlowMeter flowMeter, double requiredFlowLo, double requiredFlowHi,
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DoubleBox flowbox, bool reTryCmds, int timeout)
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: this(controlBoard, regValve, flowMeter, requiredFlowLo, requiredFlowHi, flowbox, reTryCmds, timeout, false)
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{
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}
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/// <summary>
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/// Set required water flow - No timeout.
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/// Events: FlowSet
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/// </summary>
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public SetFlowOp(ControlBoardDev controlBoard, IRegValve regValve, IFlowMeter flowMeter, double requiredFlowLo, double requiredFlowHi,
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DoubleBox flowbox, bool reTryCmds)
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: this(controlBoard, regValve, flowMeter, requiredFlowLo, requiredFlowHi, flowbox, reTryCmds, int.MaxValue, false)
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{
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}
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/// <summary>
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/// Fetch target position limits from the dictionary or return false
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/// </summary>
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/// <param name="avgReqFlow">Average of the flow targer range (input)</param>
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/// <param name="positionLo">Target valve position low limit (output)</param>
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/// <param name="positionHi">Target valve position high limit (output)</param>
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/// <returns>true when positions for the target flow are stored in the memory, otherwise return false</returns>
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bool FetchTargetPosition(double avgReqFlow, out float positionLo, out float positionHi)
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{
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float targetPosition;
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if (regulValve.Dict.TryGetValue(avgReqFlow, out targetPosition))
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{
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positionLo = Math.Max(targetPosition * 0.95f, 0.0f);
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positionHi = Math.Min(targetPosition * 1.05f, 100.0f);
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return true;
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}
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else
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{
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positionLo = 0.0f;
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positionHi = 0.0f;
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return false;
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}
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}
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void StoreTargetPosition(double avgReqFlow, float actPosition)
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{
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if (!regulValve.Dict.ContainsKey(reqFlowAve))
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{
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regulValve.Dict.Add(new KeyValuePair<double, float>(avgReqFlow, actPosition));
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}
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return;
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}
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/// <summary>Start this operation</summary>
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public void Start()
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{
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startTime = StateMachine.Time;
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expireTime = StateMachine.Time + timeout;
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if (expireTime < 0) expireTime = int.MaxValue;
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double flowMtrFreq = flowMeter.ReadFrequency();
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double flow = flowMeter.ReadFlow();
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currentReqFlowLo = requiredFlowLo; /// Default lower limit
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currentReqFlowHi = requiredFlowHi; /// Default upper limit
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if (flow != 0)
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{
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flowBox.Val = flow;
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if (flow >= reqFlowAve) currentReqFlowHi = reqFlowAve; /// Decrease upper limit
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if (flow <= reqFlowAve) currentReqFlowLo = reqFlowAve; /// Increase lower limit
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}
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flowWithinBoundsTime = 0;
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if (regulValve.RegulValveCfg.StoredPositionReuse && FetchTargetPosition(reqFlowAve, out targetPositionLo, out targetPositionHi))
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{
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log.InfoFormat("SetFlowOp:Start() rv#={0} flowMtr#={1} TARGET: flowLo={2} flowHi={3} FETCHED: posLo={4} posHi={5}",
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regulValveNr, flowMeter.Idx1, currentReqFlowLo, currentReqFlowHi, targetPositionLo, targetPositionHi);
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opState = OpState.ValveMoveToPosition1;
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}
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else
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{
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log.InfoFormat("SetFlowOp:Start() rv#={0} flowMtr#={1} TARGET: flowLo={2} flowHi={3}",
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regulValveNr, flowMeter.Idx1, currentReqFlowLo, currentReqFlowHi);
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opState = OpState.ValveMoveToFlow1;
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}
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/// Start flow measurement
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controlBoard.SendCommand(Command.Start, flowMeter.Idx1, int.MaxValue, int.MaxValue, 0, 0); /// TestMethods=0, StopDevs=0
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}
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/// <summary>Run this operation</summary>
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/// <returns>
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/// Event.OpArgumentError
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/// Event.Starting
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/// Event.Busy
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/// Event.FlowReached
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/// Event.RegulValveTimeOut
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/// </returns>
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public Event Run()
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{
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float rvPosition = controlBoard.RValvePosition(regulValveNr);
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double flowMtrFreq = flowMeter.ReadFrequency();
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double flow = flowMeter.ReadFlow();
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if (flow != 0)
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{
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flowBox.Val = flow;
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}
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log.InfoFormat("SetFlowOp:Run(T={0}) rv#={1} pos={2}% freq={3} flow={4} opState={5}",
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StateMachine.Time - startTime, regulValveNr, rvPosition.ToString("F1"), flowMtrFreq, flow, opState);
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if (StateMachine.Time > expireTime)
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{
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return Event.RegulValveTimeOut;
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}
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else if (opState == OpState.SendCommandAgain)
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{
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flowWithinBoundsTime = 0;
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if (regulValve.RegulValveCfg.StoredPositionReuse && FetchTargetPosition(reqFlowAve, out targetPositionLo, out targetPositionHi))
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{
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log.InfoFormat("Run(): rv#={0} flowMtr#={1} TARGET: flowLo={2} flowHi={3} FETCHED: posLo={4} posHi={5}",
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regulValveNr, flowMeter.Idx1, currentReqFlowLo, currentReqFlowHi, targetPositionLo, targetPositionHi);
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opState = OpState.ValveMoveToPosition1;
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}
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else
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{
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log.InfoFormat("Run(): rv#={0} flowMtr#={1} TARGET: flowLo={2} flowHi={3}",
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regulValveNr, flowMeter.Idx1, currentReqFlowLo, currentReqFlowHi);
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opState = OpState.ValveMoveToFlow1;
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}
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/// Start flow measurement
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controlBoard.SendCommand(Command.Start, flowMeter.Idx1, int.MaxValue, int.MaxValue, 0, 0); /// TestMethods=0, StopDevs=0
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToPosition1)
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{
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opState = OpState.ValveMoveToPosition2;
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToPosition2) /// Move to position
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{
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/// Issues the appropriate ValveMove(...) command
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controlBoard.ValveMove(regulValveNr, RegulValveMode.TargetPosition,
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new float[2] { targetPositionLo, targetPositionHi },
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regulValve.StableTime,
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true);
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opState = OpState.SettingPosition;
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToPosition3)
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{
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if (reTryCommands)
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{
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opState = OpState.CheckStatePosition;
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}
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else
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{
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opState = OpState.SettingPosition;
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}
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return Event.Starting;
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}
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else if (opState == OpState.CheckStatePosition) /// Verify
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{
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if (((ulong)controlBoard.StatusP & (ulong)StatusP.RefPulsesMsrmnt) == 0)
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{
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opState = OpState.SendCommandAgain;
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return Event.Starting;
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}
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else if (controlBoard.RegulValveState(regulValveNr) != RegulValveState.DacValueRegul)
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{
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/// Repeat appropriate ValveMove(...) command
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controlBoard.ValveMove(regulValveNr, RegulValveMode.TargetPosition,
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new float[2] { targetPositionLo, targetPositionHi },
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regulValve.StableTime,
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true);
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log.InfoFormat("SetFlowOp: ValveMove({0}, Position, {1}, {2}, {3})",
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regulValveNr, targetPositionLo, targetPositionHi, regulValve.StableTime);
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opState = OpState.ValveMoveToPosition3;
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return Event.Starting;
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}
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else
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{
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opState = OpState.SettingPosition;
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return Event.Starting;
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}
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}
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else if (opState == OpState.SettingPosition)
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{
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/// Repeated untill position is reached
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if ((targetPositionLo <= rvPosition) && (rvPosition <= targetPositionHi))
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{
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opState = OpState.ValveMoveToFlow1;
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}
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToFlow1)
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{
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opState = OpState.ValveMoveToFlow2;
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToFlow2) /// Move to flow
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{
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///
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/// Done once, issues an appropriate ValveMove(...) command
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///
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if ((currentReqFlowLo >= currentReqFlowHi) || (currentReqFlowLo > maximalFlow) || (currentReqFlowHi <= 0))
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{
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return Event.OpArgumentError;
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}
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log.InfoFormat("Run(): rv#={0} flowMtr#={1} TARGET: flowLo={2} flowHi={3}",
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regulValveNr, flowMeter.Idx1, currentReqFlowLo, currentReqFlowHi);
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double freqLo = 2000.0 * currentReqFlowLo / nominalFlow;
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double freqHi = 2000.0 * currentReqFlowHi / nominalFlow;
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controlBoard.ValveMove(regulValveNr, RegulValveMode.TargetFrequency,
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new float[2] { (float)freqLo, (float)freqHi },
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regulValve.StableTime,
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true);
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opState = OpState.ValveMoveToFlow3;
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return Event.Starting;
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}
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else if (opState == OpState.ValveMoveToFlow3)
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{
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if (reTryCommands)
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{
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opState = OpState.CheckStateFlow;
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}
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else
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{
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opState = OpState.SettingFlow;
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}
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return Event.Starting;
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}
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else if (opState == OpState.CheckStateFlow) /// Verify the flow setting
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{
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if ( ((ulong)controlBoard.StatusP & (ulong)StatusP.RefPulsesMsrmnt) == 0 ||
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(controlBoard.RegulValveState(regulValveNr) & RegulValveState.PwOrFreqRegul) != RegulValveState.PwOrFreqRegul)
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{
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opState = OpState.SendCommandAgain;
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return Event.Starting;
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}
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else if (controlBoard.RegulValveState(regulValveNr) != RegulValveState.PwOrFreqRegul)
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{
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/// Done once, issues an appropriate ValveMove(...) command
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double freqLo = 2000.0 * currentReqFlowLo / nominalFlow;
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double freqHi = 2000.0 * currentReqFlowHi / nominalFlow;
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controlBoard.ValveMove(regulValveNr, RegulValveMode.TargetFrequency,
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new float[2] { (float)freqLo, (float)freqHi },
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regulValve.StableTime,
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true);
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log.InfoFormat("SetFlowOp: ValveMove({0}, Frequency, {1}, {2}, {3})",
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regulValveNr, freqLo, freqHi, regulValve.StableTime);
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opState = OpState.ValveMoveToFlow3;
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return Event.Starting;
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}
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else
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{
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opState = OpState.SettingFlow;
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return Event.Busy;
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}
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}
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else if (opState == OpState.SettingFlow)
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{
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/// Regulation valve is setting flow to the required value
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if ((currentReqFlowLo <= flow) && (flow <= currentReqFlowHi))
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{
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/// Flow is within range
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if (flowWithinBoundsTime++ >= regulValve.FlowStableSec)
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{
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/// Flow is within range for sufficiently long time
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if (regulValve.RegulValveCfg.StoredPositionReuse)
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{
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float storedPosition;
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if (regulValve.Dict.TryGetValue(reqFlowAve, out storedPosition))
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{
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/// update the stored valve position
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StoreTargetPosition(reqFlowAve, (rvPosition + storedPosition) / 2.0f);
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log.InfoFormat("Run(): rv#={0} reqFlow={1} pos={2}% stored={3} <--- Updating a stored position",
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regulValveNr, reqFlowAve, rvPosition.ToString("F1"), storedPosition);
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}
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else
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{
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/// store the valve position
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StoreTargetPosition(reqFlowAve, rvPosition);
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log.InfoFormat("Run(): rv#={0} reqFlow={1} pos={2}% <--- Storing a new position",
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regulValveNr, reqFlowAve, rvPosition.ToString("F1"));
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}
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}
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log.InfoFormat("flow = {0} m3/h (lo={1}, hi={2}, REACHED)", flow, currentReqFlowLo, currentReqFlowHi);
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opState = OpState.FlowReached;
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return Event.FlowReached;
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}
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else
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{
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log.InfoFormat("flow = {0} m3/h (lo={1}, hi={2}, FLOW_OK_TIMER={3}s)", flow, currentReqFlowLo, currentReqFlowHi, flowWithinBoundsTime);
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return Event.Busy;
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}
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}
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else if (StateMachine.Time > expireTime)
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{
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return Event.RegulValveTimeOut;
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}
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else
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{
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log.InfoFormat("flow = {0} m3/h (lo={1}, hi={2})", flow, currentReqFlowLo, currentReqFlowHi);
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flowWithinBoundsTime = 0;
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return Event.Busy;
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}
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}
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else /// opState == OpState.FlowReached
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{
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log.InfoFormat("flow = {0} m3/h (lo={1}, hi={2}, REACHED)", flow, currentReqFlowLo, currentReqFlowHi);
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return Event.FlowReached;
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}
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}
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/// <summary>Start this operation</summary>
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public void Stop()
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{
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if (!leaveMeasurementRunning)
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{
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/// Stop measurement
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controlBoard.SendCommand(Command.Stop, flowMeter.Idx1, 50000, 50000, 0, StopDevs.RegValveRegulation); /// TestMethods=0
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}
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opState = OpState.Idle;
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}
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}
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}
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