Danfoss-VLT2800-Pump functions OK, TODO: control the valve of the pump

This commit is contained in:
Milan Hanajik
2015-02-16 21:01:37 +01:00
parent 50cd1c5d4f
commit 2ca36374e6
5 changed files with 438 additions and 193 deletions
@@ -9,177 +9,311 @@ using TBF.Boxes;
namespace TBF.BenchControl.Danfoss.VLT2800
{
/// <summary>
/// See page 20 of MG10S202 Operational Instructions Modbus RTU
/// </summary>
public enum CW : ushort
{
PresetRefLsb = (1 << 0),
PresetRefMsb = (1 << 1),
Not_DcBraking = (1 << 2),
Not_CoastingStop = (1 << 3),
Not_QuickStop = (1 << 4),
Not_FreezeFreq = (1 << 5),
Start_NotRampStop = (1 << 6),
Reset = (1 << 7),
Jog = (1 << 8),
Ramp2_NotRamp1 = (1 << 9),
DataValid = (1 << 10),
Relay01Activ = (1 << 11),
DOut46Activ = (1 << 12),
SelectSetupLsb = (1 << 13),
SelectSetupMsb = (1 << 14),
Reversing = (1 << 15),
}
/// <summary>
/// See page 22 of MG10S202 Operational Instructions Modbus RTU
/// </summary>
public enum SW : ushort
{
ControlReady = (1 << 0),
DriveReady = (1 << 1),
CoastingStop = (1 << 2),
Trip = (1 << 3),
TripLock = (1 << 6),
Warning = (1 << 7),
SpeedEqRef = (1 << 8),
RemoteCtrl = (1 << 9),
FreqLimitOK = (1 << 10),
MotorRunning = (1 << 11),
VoltageWarn = (1 << 13),
CurrentLimit = (1 << 14),
ThermalWarn = (1 << 15),
}
public enum Function : byte
{
ReadCoilStatus = 0x01,
ForceSingleCoil = 0x05,
ForceMultipleCoils = 0x0F,
ReadHoldingRegisters = 0x03,
PresetSingleRegister = 0x06,
PresetMultipleRegisters = 0x10,
}
/// <summary>
/// Ambient temperature / humidity / pressure meter 'Greco' connected via serial interface (RS232)
/// Connection settings: 19200 Bd 8-bits No-parity 1-stop-bit Flow control: none or hardware.
/// </summary>
public class Pump : ComponentBase, IDevice, IOperation, GenericDevices.IAmbient
{
public class Pump : ComponentBase, IDevice, IOperation, GenericDevices.IPumpFM, GenericDevices.IValve
{
private static readonly ILog log = LogManager.GetLogger(typeof(Pump));
public override string ToString() { return string.Format("Pump-Danfoss-VLT2800({0})", Cfg.ToString(1)); }
private readonly PumpCfg ambientCfg;
private readonly PumpCfg pumpCfg;
public int Delay { get { return pumpCfg.Delay; } }
public ValveCategory Category { get { return ValveCategory.Feeding; } } /// Pump category is Feeding
public GenericDevices.IValve CoupledTo { get { return null; } }
public bool InvertCouple { get { return false; } }
public int LagOpening { get { return 0; } }
public int LagClosing { get { return 0; } }
readonly Elde.ControlBoardDev controlBoard;
readonly int bitPosition; /// 0 .. 63
public readonly ulong Mask; /// derived from bitPosition in the constructor
public bool State
{
get { return (controlBoard.Route & Mask) != 0; }
}
/// Private fields
SerialPort serialPort;
StringBuilder measurementBuilder;
bool dataToSendReady;
byte[] dataToSend;
StringBuilder responseBuilder;
/// <summary>The state of the measurement</summary>
MsrmntState msrmntState;
/// <summary>Measured temperature when MsrmntState == MsrmntState.Valid</summary>
float temperature;
/// <summary>Measured humidity when MsrmntState == MsrmntState.Valid</summary>
float humidity;
/// <summary>Measured pressure when MsrmntState == MsrmntState.Valid</summary>
float pressure;
/// <summary>Measurement time stamp when MsrmntState == MsrmntState.Valid</summary>
int msrmntTimeStamp;
/// <summary>
/// Ambient temperature / humidity / pressure meter 'Greco' connected via serial interface (RS232)
/// Connection settings: 19200 Bd 8-bits No-parity 1-stop-bit Flow control: none or hardware.
/// </summary>
public Pump(PumpCfg cfg, IList<Generic.IComponent> components)
: base(cfg)
{
ambientCfg = cfg;
: base(cfg)
{
pumpCfg = cfg;
controlBoard = (Elde.ControlBoardDev)TbfComponents.FindComponent("CB", components); /// TODO: replace "CB"
if (controlBoard == null) throw new Exception("Cannot find " + Name + " parent");
//bitPosition = pumpCfg.BitPosition;
bitPosition = 55; /// TODO: replace 55
Mask = (((ulong)1) << bitPosition);
log.Debug(this.ToString());
}
public void Initialize()
{
if (ambientCfg.DebugLevel == Entities.DebugMode.Simulate)
if (pumpCfg.DebugLevel == Entities.DebugMode.Simulate)
{
temperature = 20.0f;
humidity = 40.0f;
pressure = 1.0f;
msrmntTimeStamp = StateMachine.Time;
msrmntState = MsrmntState.Valid;
return;
}
string comPortName = "COM" + ambientCfg.ComPortNr.ToString();
serialPort = new SerialPort(comPortName, ambientCfg.BaudRate, ambientCfg.Parity, ambientCfg.DataBits, ambientCfg.StopBits);
serialPort.Handshake = ambientCfg.Handshake;
string comPortName = "COM" + pumpCfg.ComPortNr.ToString();
serialPort = new SerialPort(comPortName, pumpCfg.BaudRate, pumpCfg.Parity, pumpCfg.DataBits, pumpCfg.StopBits);
serialPort.Handshake = Handshake.None;
serialPort.Open();
measurementBuilder = new StringBuilder(40);
msrmntState = MsrmntState.Busy;
responseBuilder = new StringBuilder(40);
log.FatalFormat("Successfully initialized device {0}", ToString());
}
log.FatalFormat("Successfully initialized device {0}", ToString());
}
/// <summary>Run this device</summary>
public void RunDeviceBefore()
{
if (ambientCfg.DebugLevel == Entities.DebugMode.Simulate)
{
msrmntTimeStamp = StateMachine.Time;
return;
}
measurementBuilder.Append(serialPort.ReadExisting());
int len = measurementBuilder.Length;
///
/// Device sends each 20 sec one line of ASCII text with data in the following format:
/// (temp) 6 characters, two decimal digits, with leading spaces
/// TAB 1 character
/// (humi) 6 characters, two decimal digits, with leading spaces
/// TAB 1 character
/// (pressure) 6 characters, one decimal digits, with leading spaces is LT 1000
/// CR + LF 2 characters
/// Example:
/// 23.42 38.08 1061.1
/// 23.39 38.04 1060.8
/// 23.39 38.08 1061.4
///
if (len >= 22)
{
string measurement = measurementBuilder.ToString();
measurementBuilder.Clear();
float t = 0;
float h = 0;
float p = 0;
if (float.TryParse(measurement.Substring(len - 22, 6), NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingWhite,
CultureInfo.InvariantCulture, out t) &&
measurement[len - 16] == '\t' &&
float.TryParse(measurement.Substring(len - 15, 6), NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingWhite,
CultureInfo.InvariantCulture, out h) &&
measurement[len - 9] == '\t' &&
float.TryParse(measurement.Substring(len - 8, 6), NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingWhite,
CultureInfo.InvariantCulture, out p) &&
measurement[len - 2] == '\r' &&
measurement[len - 1] == '\n')
{
temperature = t;
humidity = h;
pressure = p;
msrmntTimeStamp = StateMachine.Time;
msrmntState = MsrmntState.Valid;
log.InfoFormat("Msrmnt OK: time = {0}, temp={1}, humi={2}, pres={3}", msrmntTimeStamp, t, h, p);
}
else
{
log.Warn("Invalid string received: " + measurement);
}
}
}
/// <summary>Run this device</summary>
public void RunDeviceAfter()
{
}
/// <summary>Stop this device</summary>
public void StopDevice()
{
if (serialPort != null) serialPort.Close();
}
///
/// Boxes for the operation result
///
FloatBox tempBox;
FloatBox pressureBox;
FloatBox humiBox;
public IOperation ReadAmbientOp(FloatBox temperature, FloatBox pressure, FloatBox humidity)
/// <summary>Run this device</summary>
public void RunDeviceBefore()
{
this.tempBox = temperature;
this.pressureBox = pressure;
this.humiBox = humidity;
if (pumpCfg.DebugLevel == Entities.DebugMode.Simulate) return;
responseBuilder.Append(serialPort.ReadExisting());
/// Check if the response is complete
if (responseBuilder.Length >= 8)
{
string response = responseBuilder.ToString();
responseBuilder.Clear();
log.Info(Utils.LogMessage("Received ", response));
}
}
/// <summary>
/// Prepares data to be sent in RunDeviceAfter() function
/// </summary>
bool SendData(byte[] data)
{
if (dataToSendReady) return false;
dataToSend = data;
dataToSendReady = true;
log.Info(Utils.LogMessage("Sending ", data));
return true;
}
/// <summary>Run this device</summary>
public void RunDeviceAfter()
{
if (dataToSendReady)
{
if (pumpCfg.DebugLevel != Entities.DebugMode.Simulate)
{
serialPort.Write(dataToSend, 0, dataToSend.Length);
}
dataToSendReady = false;
}
}
/// <summary>Stop this device</summary>
public void StopDevice()
{
if (serialPort != null) serialPort.Close();
}
/// <summary>
/// Turn the pmp on using Modbus commad, use the variable frequency
/// </summary>
/// <param name="powerArg">Frequency in percent (-200.0 .. 200.0)</param>
public void TurnOn(float powerArg)
{
log.DebugFormat("{0}.TurnOn({1})", Name, powerArg);
//UInt16 controlWord = 0x047C;
UInt16 controlWord = (UInt16)(CW.Not_DcBraking |
CW.Not_CoastingStop |
CW.Not_QuickStop |
CW.Not_FreezeFreq |
CW.Start_NotRampStop |
CW.DataValid);
UInt16 serialComReference = (UInt16)(Int16)((float)0x4000 * powerArg / 100.0f + 0.5f);
byte[] msg = new byte[13];
msg[0] = (byte)pumpCfg.ModbusAddress;
msg[1] = (byte)Function.ForceMultipleCoils;
msg[2] = 0; /// Data Hi
msg[3] = 0; /// Data Lo
msg[4] = 0; /// Nr. of coils Hi
msg[5] = 0x20; /// Nr. of coils Lo
msg[6] = 4; /// Byte count
msg[7] = (byte)(controlWord & 0xFF); /// Control Word Lo
msg[8] = (byte)(controlWord >> 8); /// Control Word Hi
msg[9] = (byte)(serialComReference & 0xFF); /// Serial Com Reference Lo
msg[10] = (byte)(serialComReference >> 8); /// Serial Com Reference Hi
Utils.CalculateCRC(msg);
SendData(msg);
}
/// <summary>
/// Turn the pmp off using Modbus command
/// </summary>
public void TurnOff()
{
log.DebugFormat("{0}.TurnOff()", Name);
UInt16 controlWord = (UInt16)(CW.Not_DcBraking |
CW.Not_CoastingStop |
CW.Not_QuickStop |
CW.Not_FreezeFreq |
//CW.Start_NotRampStop |
CW.DataValid);
UInt16 serialComReference = 0;
byte[] msg = new byte[13];
msg[0] = (byte)pumpCfg.ModbusAddress;
msg[1] = (byte)Function.ForceMultipleCoils;
msg[2] = 0; /// Data Hi
msg[3] = 0; /// Data Lo
msg[4] = 0; /// Nr. of coils Hi
msg[5] = 0x20; /// Nr. of coils Lo
msg[6] = 4; /// Byte count
msg[7] = (byte)(controlWord & 0xFF); /// Control Word Lo
msg[8] = (byte)(controlWord >> 8); /// Control Word Hi
msg[9] = (byte)(serialComReference & 0xFF); /// Serial Com Reference Lo
msg[10] = (byte)(serialComReference >> 8); /// Serial Com Reference Hi
Utils.CalculateCRC(msg);
SendData(msg);
}
/// <summary>
/// The currently running operation.
/// </summary>
public enum CurrentOp
{
None,
TurnOn,
TurnOff,
}
///
CurrentOp currentOp;
float powerForOp;
/// <summary>
/// Turn the pump frequency inverter on.
/// </summary>
public IOperation TurnOnOp(float powerArg)
{
if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
currentOp = CurrentOp.TurnOn;
powerForOp = powerArg;
return this;
}
/// <summary>Start this operation</summary>
public void Start()
/// <summary>
/// Turn the pump frequency inverter on.
/// </summary>
public IOperation TurnOffOp()
{
if (tempBox != null) tempBox.Val = temperature;
if (pressureBox != null) pressureBox.Val = pressure;
if (humiBox != null) humiBox.Val = humidity;
}
/// <summary>Run this operation</summary>
/// <returns>
/// Event.FlowInDone or Event.FlowOutDone
/// </returns>
public Event Run()
{
if (tempBox != null) tempBox.Val = temperature;
if (pressureBox != null) pressureBox.Val = pressure;
if (humiBox != null) humiBox.Val = humidity;
return Event.AmbientDone;
if (currentOp != CurrentOp.None) throw new Exception("Sequence error");
currentOp = CurrentOp.TurnOff;
return this;
}
/// <summary>Stop this operation</summary>
/// <summary>Start the operation</summary>
public void Start()
{
switch (currentOp)
{
case CurrentOp.TurnOn:
TurnOn(powerForOp);
return;
case CurrentOp.TurnOff:
default:
TurnOff();
return;
}
}
/// <summary>Run the operation</summary>
public Event Run()
{
return Event.TurnPumpOnOffDone;
}
/// <summary>Stop the operation</summary>
public void Stop()
{
currentOp = CurrentOp.None;
}
}
}