131 lines
4.4 KiB
C#
131 lines
4.4 KiB
C#
using DecimalMath;
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using InnovEnergy.Lib.Protocols.Modbus.Clients;
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using InnovEnergy.Lib.Protocols.Modbus.Connections;
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using InnovEnergy.Lib.StatusApi.Connections;
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namespace InnovEnergy.Lib.Devices.AMPT;
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public class AmptCommunicationUnit
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{
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private ModbusTcpClient Modbus { get; }
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private const Int32 RegistersPerDevice = 16;
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private const Int32 FirstDeviceOffset = 85;
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public AmptCommunicationUnit(String hostname, UInt16 port = 502, Byte slaveAddress = 1)
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{
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var connection = new ModbusTcpConnection(hostname, port);
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Modbus = new ModbusTcpClient(connection, slaveAddress);
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}
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public AmptStatus? ReadStatus()
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{
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try
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{
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return TryReadStatus();
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}
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catch (Exception)
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{
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Modbus.CloseConnection();
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return null;
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}
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}
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private AmptStatus TryReadStatus()
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{
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// Console.WriteLine("Reading Ampt Device");
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var r = Modbus.ReadHoldingRegisters(1, 116);
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var currentFactor = DecimalEx.Pow(10.0m, r.GetInt16(73));
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var voltageFactor = DecimalEx.Pow(10.0m, r.GetInt16(74));
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var energyFactor = DecimalEx.Pow(10.0m, r.GetInt16(76) + 3); // +3 => converted from Wh to kWh
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var nbrOfDevices = r.GetUInt16(78);
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var devices = Enumerable
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.Range(0, nbrOfDevices)
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.Select(ReadDeviceStatus)
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.ToList();
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var amptSt = new AmptStatus
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(
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Sid : r.GetUInt32(1),
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IdSunSpec : r.GetUInt16(3),
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Manufacturer : r.GetString(5, 16),
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Model : r.GetString(21, 16),
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Version : r.GetString(45, 8),
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SerialNumber : r.GetString(53, 16),
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DeviceAddress : r.GetInt16(69),
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IdVendor : r.GetUInt16(71),
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Devices : devices
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// devices.d Current1 = r.GetInt16(90) * currentFactor,
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// Current2 = r.GetInt16(106) * currentFactor,
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// Voltage1 = r.GetUInt32(91) * voltageFactor,
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// Voltage2 = r.GetUInt32(107) * voltageFactor
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);
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return amptSt;
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Decimal ReadDevicesVoltage(Int32 numberOfDevice)
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{
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var avgVoltage = 0.0m;
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for (var i = 0; i < numberOfDevice; i++)
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{
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var b = (UInt16)(FirstDeviceOffset + i * RegistersPerDevice); // base address
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avgVoltage+= r.GetUInt32((UInt16)(b + 6)) * voltageFactor;
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}
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return avgVoltage / numberOfDevice;
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}
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Decimal ReadDevicesCurrent(Int32 numberOfDevice)
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{
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Decimal avgCurrent = 0;
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for (var i = 0; i < numberOfDevice; i++)
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{
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var b = (UInt16)(FirstDeviceOffset + i * RegistersPerDevice); // base address
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avgCurrent+= r!.GetUInt32((UInt16)(b + 5)) * voltageFactor;
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}
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return avgCurrent / numberOfDevice;
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}
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AmptDeviceStatus ReadDeviceStatus(Int32 deviceNumber)
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{
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var b = (UInt16)(FirstDeviceOffset + deviceNumber * RegistersPerDevice); // base address
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return new AmptDeviceStatus
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(
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Dc : new DcConnection
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(
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Voltage:r.GetUInt32((UInt16)(b + 6)) * voltageFactor,
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Current:r.GetUInt16((UInt16)(b + 5)) * currentFactor
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),
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DeviceId : r.GetInt16 (b) ,
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Timestamp : r.GetUInt32((UInt16)(b + 3)),
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ProductionToday : r.GetUInt32((UInt16)(b + 12))* energyFactor,
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Strings : new []
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{
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new DcConnection
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(
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Voltage : r.GetUInt32((UInt16)(b + 8)) * voltageFactor,
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Current : r.GetUInt16((UInt16)(b + 14)) * currentFactor
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),
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new DcConnection
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(
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Voltage : r.GetUInt32((UInt16)(b + 9)) * voltageFactor,
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Current : r.GetUInt16((UInt16)(b + 15)) * currentFactor
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)
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}
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);
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}
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}
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} |