public static ushort[] ReadInputRegisters(ushort startAddress, ushort numofPoints)
{
ushort[] uArr = new ushort[numofPoints];
try
{
uArr = master.ReadInputRegisters(slaveID, startAddress, numofPoints);
}
catch (Exception ex)
{
_logger.Error("Error: " + ex.Message);
}
return(uArr);
}
//konekcija na ModBus
private void TimerEventProcessor(object sender, EventArgs e)
{
if (serialPort.IsOpen)
{
ModbusSerialMaster master = ModbusSerialMaster.CreateRtu(serialPort);
master.Transport.ReadTimeout = 500;
try
{
ushort[] bratee = master.ReadInputRegisters(1, 28, 12);
ushort[] snaga = master.ReadInputRegisters(1, 0, 12);
ushort[] cosfi = master.ReadInputRegisters(1, 10, 2);
string[] riRString = bratee.Select(x => x.ToString("X")).ToArray();
string[] pString = snaga.Select(x => x.ToString("X")).ToArray();
short output = short.Parse(riRString[0], NumberStyles.HexNumber);
radnaTacka._uL1 = Convert.ToDouble(riRString[0]) * Math.Pow(10, (short)bratee[1]);
radnaTacka._uL2 = Convert.ToDouble(riRString[2]) * Math.Pow(10, (short)bratee[3]);
radnaTacka._uL3 = Convert.ToDouble(riRString[4]) * Math.Pow(10, (short)bratee[5]);
radnaTacka._iL1 = Convert.ToDouble(riRString[6]) * Math.Pow(10, (short)bratee[7]);
radnaTacka._iL2 = Convert.ToDouble(riRString[8]) * Math.Pow(10, (short)bratee[9]);
radnaTacka._iL3 = Convert.ToDouble(riRString[10]) * Math.Pow(10, (short)bratee[11]);
radnaTacka._u3p = Convert.ToDouble(pString[0]) * Math.Pow(10, (short)snaga[1]);
radnaTacka._i3p = Convert.ToDouble(pString[2]) * Math.Pow(10, (short)snaga[3]);
radnaTacka._p3p = Convert.ToDouble(pString[4]) * Math.Pow(10, (short)snaga[5]);
radnaTacka._cosphi3p = Convert.ToDouble(pString[10]) * Math.Pow(10, (short)snaga[11]);
lbl_uL1.Text = radnaTacka._uL1.ToString();
lbl_uL2.Text = radnaTacka._uL2.ToString();
lbl_uL3.Text = radnaTacka._uL3.ToString();
lbl_iL1.Text = radnaTacka._iL1.ToString();
lbl_iL2.Text = radnaTacka._iL2.ToString();
lbl_iL3.Text = radnaTacka._iL3.ToString();
lbl_u3p.Text = radnaTacka._u3p.ToString();
lbl_i3p.Text = radnaTacka._i3p.ToString();
lbl_p3p.Text = radnaTacka._p3p.ToString();
lbl_cosphi3p.Text = radnaTacka._cosphi3p.ToString();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
/// <summary>
/// 获取Sta2字状态
/// </summary>
/// <param name="Address">站号地址</param>
/// <param name="Channel">通道地址</param>
/// <returns>成功或失败</returns>
public static bool Get_C_Sta2(byte Address, ushort Channel, ref short C_Sta2)
{
if (PMAMaster == null)
{
return(false);
}
byte SlaveAddress = Address;
ushort StartAddress = (ushort)(1238 + Channel * 512);
ushort DataLenght = 1;
ushort[] ReturnData;
try
{
lock (LockValue)
{
ReturnData = PMAMaster.ReadInputRegisters(SlaveAddress, StartAddress, DataLenght);
}
if (ReturnData != null && ReturnData.Length == DataLenght)
{
C_Sta2 = Auxiliary.UshortToShort(ReturnData[0]);
return(true);
}
else
{
return(false);
}
}
catch
{
return(false);
}
}
void GetDesTemDrgData(out float des, out float tem, out float drg)
{
byte slaveID = SlaveAddress;
ushort startAddress = (ushort)(AddressConfig.Density - 1);
ushort numofPoints = 20; //数据帧中 word 的数量
ushort[] holdingregister = master.ReadInputRegisters(slaveID, startAddress, numofPoints);
var dataDriveGain = master.ReadInputRegisters(SlaveAddress,
(ushort)(AddressConfig.DriveGain - 1), 2);
byte[] bytes = { };
for (int i = 0; i < numofPoints; i++)
{
byte[] byteTemp;
byteTemp = BitConverter.GetBytes(holdingregister[i]);
bytes = BitConverterHelper.BytesConnect(bytes, byteTemp);
}
des = ModbusFloatHelper.UshortToFloat(holdingregister, 0, 3);
tem = ModbusFloatHelper.UshortToFloat(holdingregister, 2, 3);
drg = ModbusFloatHelper.UshortToFloat(dataDriveGain, 0, 3);
}
public ushort[] ReadInputRegisters(byte slaveAddress, ushort startAddress, ushort numberOfPoints)
{
if (!serialPort.IsOpen)
{
Open();
}
try
{
return(master.ReadInputRegisters(slaveAddress, startAddress, numberOfPoints));
}
catch (Exception ex)
{
AddMessage("Catch exception in function ReadInputRegisters(). " + ex.Message,
DebugLevel.ExceptionLevel);
Close();
return(null);
}
}
public int GetData(out byte[] requestBytes, out byte[] responseBytes, out string errCode)
{
errCode = "OK";
try
{
if (_config.SelectedMemType == Memtype.Coils)
{
CoilsArray = _modbus.ReadCoils(_config.Slaves, _config.StartAddress, _config.Amount);
}
if (_config.SelectedMemType == Memtype.Inputs)
{
CoilsArray = _modbus.ReadInputs(_config.Slaves, _config.StartAddress, _config.Amount);
}
if (_config.SelectedMemType == Memtype.InputRegisters)
{
RegisterArray = _modbus.ReadInputRegisters(_config.Slaves, _config.StartAddress, _config.Amount);
}
if (_config.SelectedMemType == Memtype.HoldingRegisters)
{
RegisterArray = _modbus.ReadHoldingRegisters(_config.Slaves, _config.StartAddress, _config.Amount);
}
return(0);
}
catch (SlaveException ex)
{
errCode = ex.Message;
return(1);
}
catch (Exception ex)
{
if (ex is InvalidOperationException)
{
throw;
}
errCode = ex.Message;
return(2);
}
finally
{
requestBytes = _modbus.Transport.RequestFrame;
responseBytes = _modbus.Transport.ResponseFrame;
}
}
public void Read_impotent(ModbusSerialMaster master)
{
ushort[] data0 = new ushort[50];
data0 = master.ReadInputRegisters(this.slaveID, address_v, 36);
v_a = ushortToFloat(data0[0], data0[1]);
v_b = ushortToFloat(data0[2], data0[3]);
v_c = ushortToFloat(data0[4], data0[5]);
v = ushortToFloat(data0[6], data0[7]);
vl_ab = ushortToFloat(data0[8], data0[9]);
vl_bc = ushortToFloat(data0[10], data0[11]);
vl_ca = ushortToFloat(data0[12], data0[13]);
vl = ushortToFloat(data0[14], data0[15]);
i_a = ushortToFloat(data0[16], data0[17]);
i_b = ushortToFloat(data0[18], data0[19]);
i_c = ushortToFloat(data0[20], data0[21]);
i = ushortToFloat(data0[22], data0[23]);
i_n = ushortToFloat(data0[24], data0[25]);
f = ushortToFloat(data0[26], data0[27]);
power_a = ushortToFloat(data0[28], data0[29]);
power_b = ushortToFloat(data0[30], data0[31]);
power_c = ushortToFloat(data0[32], data0[33]);
power_total = ushortToFloat(data0[34], data0[35]);
}
/// <summary>
/// 定时读取数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void timerGetData_Tick(object sender, EventArgs e)
{
try
{
//GetDesTemData(250, out var des, out var tem);
//地址减一读
GetDesTemDrgData(out var des, out var tem, out var drg);
//读取状态位
var datasBitsDefine = master?.ReadInputRegisters(SlaveAddress,
(ushort)(AddressConfig.BitsDefine - 1), 1);
pictureBoxDriveGain.BackColor = (((datasBitsDefine[0]) >> (5)) & 0x01) == 1 ? Color.Red : Color.Lime;
pictureBoxSensor.BackColor = (((datasBitsDefine[0]) >> (10)) & 0x01) == 1 ? Color.Red : Color.Lime;
//读取单位
var datasUnits = master?.ReadHoldingRegisters(SlaveAddress,
(ushort)(AddressConfig.DensityUnit - 1), 2);
desUnitsLabel.Text = ParaUnits.DesTable[datasUnits[0]];
temUnitsLabel.Text = ParaUnits.TemTable[datasUnits[1]];
//读取A37 A38
var datasA37 = master?.ReadInputRegisters(SlaveAddress,
(ushort)(AddressConfig.A37 - 1), 1);
pictureBoxSensorCheck.BackColor = (((datasA37[0]) >> (3)) & 0x01) == 1 ?
Color.Red : Color.Lime;
var datasA38 = master?.ReadInputRegisters(SlaveAddress,
(ushort)(AddressConfig.A38 - 1), 1);
pictureBoxTimeOutLimits.BackColor = (((datasA38[0]) >> (2)) & 0x01) == 1 ?
Color.Red : Color.Lime;
paraDensity.Value = des;
paraTem.Value = tem;
paraDriveGain.Value = drg;
labelDes.Text = paraDensity.Value.ToString();
LabelTem.Text = paraTem.Value.ToString();
labelDriveGain.Text = paraDriveGain.Value.ToString() + "%";
labelStatus.Text = "通信正常";
timerDraw.Enabled = true;
timerSave.Enabled = true;
isShowInfoBox = false;
}
catch (Exception exception)
{
//timerGetData.Enabled = false;
//timerGetData.Stop();
if (exception.Source.Equals("System"))
{
if (!isShowInfoBox)
{
isShowInfoBox = true;
MessageBox.Show(DateTime.Now.ToString() + " " + "通信超时");
}
labelStatus.Text = "通信超时";
}
if (exception.Source.Equals("nModbusPC"))
{
string str = exception.Message;
int FunctionCode;
string ExceptionCode;
str = str.Remove(0, str.IndexOf("\r\n", StringComparison.Ordinal) + 17);
FunctionCode = Convert.ToInt16(str.Remove(str.IndexOf("\r\n", StringComparison.Ordinal)));
//MessageBox.Show("Function Code: " + FunctionCode.ToString("X"));
str = str.Remove(0, str.IndexOf("\r\n", StringComparison.Ordinal) + 17);
ExceptionCode = str.Remove(str.IndexOf("-", StringComparison.Ordinal));
switch (ExceptionCode.Trim())
{
case "1":
labelStatus.Text = "通信异常：非法的通信功能码";
//MessageBox.Show("Exception Code: " + ExceptionCode.Trim() + "----> Illegal function!" );
break;
case "2":
labelStatus.Text = "通信异常：非法的数据地址";
//MessageBox.Show("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data address!" );
break;
case "3":
labelStatus.Text = "通信异常：非法的数据值";
//MessageBox.Show("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data value!" );
break;
case "4":
labelStatus.Text = "从机故障";
//MessageBox.Show("Exception Code: " + ExceptionCode.Trim() + "----> Slave device failure!" );
break;
}
//this.formMain.Close();
}
//labelStatus.Text = exception.Message.ToString();
}
}
} //COM开口通讯是否正常的标志
/// <summary>
/// 一次读取全部电源信息
/// </summary>
/// <param name="slaveAddress">从机地址</param>
/// <param name="serialPort1">从机连接的串口号</param>
public void ReadAll(byte slaveAddress, SerialPort serialPort1)
{
try
{
//ModbusSerialMaster master = ModbusSerialMaster.CreateRtu(serialPort1);
////serialPort1.Open(); //开机就打开
//master.Transport.ReadTimeout = 300;//设置端口超时时间，单位ms
//bool[] DI = master.ReadInputs(slaveAddress, 10000, 1);//读取高压开关状态
//HVState = DI[0];
//ushort[] AI = master.ReadInputRegisters(slaveAddress, 30000, 2);//读取管电压管电流
//kVRead = (PowerSupplyType.MaxkV - PowerSupplyType.MinkV) * 1.2F * ((float)AI[0] / 4096);
//kVRead = (float)Math.Round(kVRead,2);
//mARead = (PowerSupplyType.MaxmA - PowerSupplyType.MinmA) * 1.2F * ((float)AI[1] / 4096);
//mARead= (float)Math.Round(mARead, 3);
//AI = master.ReadInputRegisters(slaveAddress, 30004, 1);//读取灯丝电流
//FilamentRead = 10 * 1.2F * (float)AI[0] / 4096;//12A对应4095
//FilamentRead= (float)Math.Round(FilamentRead, 2);
//AI = master.ReadInputRegisters(slaveAddress, 30010, 1);//读取温度
//TempRead = (PowerSupplyType.MaxTemp - PowerSupplyType.MinTemp) * (float)AI[0] / 4096;
//TempRead= (float)Math.Round(TempRead, 2);
//AI = master.ReadInputRegisters(slaveAddress, 30012, 1);//读取电源电压
////TempRead = (PowerSupplyType.MaxPowerVoltage - PowerSupplyType.MinPowerVoltage) * (float)AI[0] / 4096;
//PowerVoltageRead = 43.9F * (float)AI[0] / 4096;
//PowerVoltageRead= (float)Math.Round(PowerVoltageRead, 2);
//ComStateFlag = true;
ModbusSerialMaster master = ModbusSerialMaster.CreateRtu(serialPort1);
//serialPort1.Open(); //开机就打开
master.Transport.ReadTimeout = 300; //设置端口超时时间，单位ms
bool[] DI = master.ReadInputs(slaveAddress, 10000, 1); //读取高压开关状态
HVState = DI[0];
ushort[] AI = master.ReadInputRegisters(slaveAddress, 30000, 13); //读取管电压管电流
kVRead = (PowerSupplyType.MaxkV - PowerSupplyType.MinkV) * 1.2F * ((float)AI[0] / 4096);
kVRead = (float)Math.Round(kVRead, 2);
mARead = (PowerSupplyType.MaxmA - PowerSupplyType.MinmA) * 1.2F * ((float)AI[1] / 4096);
mARead = (float)Math.Round(mARead, 3);
//AI = master.ReadInputRegisters(slaveAddress, 30004, 1);//读取灯丝电流
FilamentRead = 10 * 1.2F * (float)AI[4] / 4096;//12A对应4095
FilamentRead = (float)Math.Round(FilamentRead, 2);
//AI = master.ReadInputRegisters(slaveAddress, 30010, 1);//读取温度
TempRead = PowerSupplyType.MinTemp + (PowerSupplyType.MaxTemp - PowerSupplyType.MinTemp) * (float)AI[10] / 4096;
TempRead = (float)Math.Round(TempRead, 2);
//AI = master.ReadInputRegisters(slaveAddress, 30012, 1);//读取电源电压
//TempRead = (PowerSupplyType.MaxPowerVoltage - PowerSupplyType.MinPowerVoltage) * (float)AI[0] / 4096;
PowerVoltageRead = 43.9F * (float)AI[12] / 4096;
PowerVoltageRead = (float)Math.Round(PowerVoltageRead, 2);
ComStateFlag = true;
}
catch (Exception)
{
//MessageBox.Show("请检查端口设置","错误提示");
ComStateFlag = false;
//throw;
}
}
private void timer1_Tick(object sender, EventArgs e)
{
try
{
byte slaveID = 1;
ushort startAddress = 0;
ushort numofPoints = 4;
//read DI(1xxxx)
bool[] status = master.ReadInputs(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
if (status[i] == true)
{
listDI[i].BackColor = Color.DodgerBlue;
}
else
{
listDI[i].BackColor = Color.Navy;
}
}
//read DO(0xxxx)
bool[] coilstatus = master.ReadCoils(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
if (coilstatus[i] == true)
{
listDO[i].BackColor = Color.Red;
}
else
{
listDO[i].BackColor = Color.DarkRed;
}
}
//read AI(3xxxx)
ushort[] register = master.ReadInputRegisters(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
listAI[i].Text = register[i].ToString();
//If you need to show the value with other unit, you have to caculate the gain and offset
//eq. 0 to 0kg, 32767 to 1000kg
//0 (kg) = gain * 0 + offset
//1000 (kg) = gain *32767 + offset
//=> gain=1000/32767, offset=0
//double value = (double)register[i] * 10.0 / 32767;
//listAI[i].Text = value.ToString("0.00");
}
//read AO(4xxxx)
ushort[] holdingregister = master.ReadHoldingRegisters(slaveID, startAddress, numofPoints);
for (int i = 0; i < numofPoints; i++)
{
listAO[i].Text = holdingregister[i].ToString();
//If you need to show the value with other unit, you have to caculate the gain and offset
//eq. 0 to 0 mA, 32767 to 20 mA
//0 (mA) = gain * 0 + offset
//20 (mA) = gain *32767 + offset
//=> gain=20/32767, offset=0
//double holdvalue = (double)holdingregister[i] * 20.0 / 32767;
//listAO[i].Text = holdvalue.ToString("0.00");
}
}
catch (Exception exception)
{
//Connection exception
//No response from server.
//The server maybe close the com port, or response timeout.
if (exception.Source.Equals("System"))
{
Console.WriteLine(DateTime.Now.ToString() + " " + exception.Message);
}
//The server return error code.
//You can get the function code and exception code.
if (exception.Source.Equals("nModbusPC"))
{
string str = exception.Message;
int FunctionCode;
string ExceptionCode;
str = str.Remove(0, str.IndexOf("\r\n") + 17);
FunctionCode = Convert.ToInt16(str.Remove(str.IndexOf("\r\n")));
Console.WriteLine("Function Code: " + FunctionCode.ToString("X"));
str = str.Remove(0, str.IndexOf("\r\n") + 17);
ExceptionCode = str.Remove(str.IndexOf("-"));
switch (ExceptionCode.Trim())
{
case "1":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal function!");
break;
case "2":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data address!");
break;
case "3":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Illegal data value!");
break;
case "4":
Console.WriteLine("Exception Code: " + ExceptionCode.Trim() + "----> Slave device failure!");
break;
}
/*
* //Modbus exception codes definition
* Code * Name * Meaning
* 01 ILLEGAL FUNCTION The function code received in the query is not an allowable action for the server.
*
* 02 ILLEGAL DATA ADDRESS The data addrdss received in the query is not an allowable address for the server.
*
* 03 ILLEGAL DATA VALUE A value contained in the query data field is not an allowable value for the server.
*
* 04 SLAVE DEVICE FAILURE An unrecoverable error occurred while the server attempting to perform the requested action.
*
* 05 ACKNOWLEDGE This response is returned to prevent a timeout error from occurring in the client (or master)
* when the server (or slave) needs a long duration of time to process accepted request.
*
* 06 SLAVE DEVICE BUSY The server (or slave) is engaged in processing a long–duration program command , and the
* client (or master) should retransmit the message later when the server (or slave) is free.
*
* 08 MEMORY PARITY ERROR The server (or slave) attempted to read record file, but detected a parity error in the memory.
*
* 0A GATEWAY PATH UNAVAILABLE The gateway is misconfigured or overloaded.
*
* 0B GATEWAY TARGET DEVICE FAILED TO RESPOND No response was obtained from the target device. Usually means that the device is not present on the network.
*/
}
}
}
/// <summary>
/// Read contiguous block of input registers.
/// </summary>
/// <param name="startAddress">Address to begin reading.</param>
/// <param name="numOfPoints">Number of input registers to read.</param>
/// <returns>Array of register data.</returns>
public ushort[] ReadInputRegisters(ushort startAddress = 0, ushort numOfPoints = 2)
{
return(master.ReadInputRegisters(
slaveAddress, startAddress, numOfPoints));
}
private static void StartReading()
{
while (readingAllow)
{
if (errorPort)
{
System.Threading.Thread.Sleep(1000);
SerialStart();
continue;
}
for (int i = 0; i < devices.Count; i++)
{
try {
if (!(devices[i].QuantityAddressHolding == 0))
{
ushort[] holding_reg = master.ReadHoldingRegisters(devices[i].ModbusID, devices[i].StartAddressHolding, devices[i].QuantityAddressHolding);
Application.Current.Dispatcher.Invoke((Action)(() => {
devices[i].ResultHolding = holding_reg;
}));
}
if (!(devices[i].QuantityAddressInput == 0))
{
ushort[] input_reg = master.ReadInputRegisters(devices[i].ModbusID, devices[i].StartAddressInput, devices[i].QuantityAddressInput);
Application.Current.Dispatcher.Invoke((Action)(() => {
devices[i].ResultInput = input_reg;
}));
}
devices[i].ErrorMessage = "";
System.Threading.Thread.Sleep(250);
} catch (Exception exception) {
if (exception.Message == "Порт закрыт.")
{
errorPort = true;
}
if (exception.Message == "Время ожидания операции истекло.")
{
devices[i].ErrorMessage = "Время ожидания запроса истекло";
}
string strExcp = exception.ToString();
int res = strExcp.IndexOf("Modbus");
if (res > -1)
{
int pos = strExcp.IndexOf("Exception Code:");
switch (strExcp.Substring(108, 1))
{
case "1":
devices[i].ErrorMessage = "ILLEGAL FUNCTION";
break;
case "2":
devices[i].ErrorMessage = "ILLEGAL DATA ADRESS";
break;
case "3":
devices[i].ErrorMessage = "ILLEGAL DATA VALUE";
break;
case "4":
devices[i].ErrorMessage = "SLAVE DEVICE FAILURE";
break;
case "5":
devices[i].ErrorMessage = "ACKNOWLEDGE";
break;
case "6":
devices[i].ErrorMessage = "SLAVE DEVICE BUSY";
break;
case "8":
devices[i].ErrorMessage = "MEMORY PARITY ERROR";
break;
case "0A":
devices[i].ErrorMessage = "GATEWAY PATH UNAVAILABLE";
break;
case "0B":
devices[i].ErrorMessage = "GATEWAY TARGET DEVICE FAILED TO RESPOND";
break;
}
}
}
}
}
}
public void Read_pq_kwh(ModbusSerialMaster master)
{
try
{
Thread.Sleep(Form1.WaitingTime);
ushort[] data0 = new ushort[28];
data0 = master.ReadInputRegisters(this.slaveID, address_v, 28);
v_a = ushortToFloat(data0[0], data0[1]);
v_b = ushortToFloat(data0[2], data0[3]);
v_c = ushortToFloat(data0[4], data0[5]);
v = ushortToFloat(data0[6], data0[7]);
vl_ab = ushortToFloat(data0[8], data0[9]);
vl_bc = ushortToFloat(data0[10], data0[11]);
vl_ca = ushortToFloat(data0[12], data0[13]);
vl = ushortToFloat(data0[14], data0[15]);
i_a = ushortToFloat(data0[16], data0[17]);
i_b = ushortToFloat(data0[18], data0[19]);
i_c = ushortToFloat(data0[20], data0[21]);
i = ushortToFloat(data0[22], data0[23]);
i_n = ushortToFloat(data0[24], data0[25]);
f = ushortToFloat(data0[26], data0[27]);
Thread.Sleep(Form1.WaitingTime);
ushort[] data = new ushort[24];
data = master.ReadInputRegisters(this.slaveID, address_power_a, 24);
power_a = ushortToFloat(data[0], data[1]);
power_b = ushortToFloat(data[2], data[3]);
power_c = ushortToFloat(data[4], data[5]);
power_total = ushortToFloat(data[6], data[7]);
Q1 = ushortToFloat(data[8], data[9]);
Q2 = ushortToFloat(data[10], data[12]);
Q3 = ushortToFloat(data[12], data[13]);
Q_total = ushortToFloat(data[14], data[15]);
s_a = ushortToFloat(data[16], data[17]);
s_b = ushortToFloat(data[18], data[19]);
s_c = ushortToFloat(data[20], data[21]);
s = ushortToFloat(data[22], data[23]);
Thread.Sleep(Form1.WaitingTime);
ushort[] data2 = new ushort[24];
data2 = master.ReadInputRegisters(slaveID, address_energy, 18);
exp_wh_h = ushortToFloat(data2[0], data2[1]);
imp_wh_h = ushortToFloat(data2[2], data2[3]);
tot_wh_h = ushortToFloat(data2[4], data2[5]);
net_wh_h = ushortToFloat(data2[6], data2[7]);
imp_varh_h = ushortToFloat(data2[10], data2[11]);
exp_varh_h = ushortToFloat(data2[8], data2[9]);
tot_varh_h = ushortToFloat(data2[12], data2[13]);
net_varh_h = ushortToFloat(data2[14], data2[15]);
vah_h = ushortToFloat(data2[16], data2[17]);
Thread.Sleep(Form1.WaitingTime);
ushort[] data3 = new ushort[8];
data3 = master.ReadInputRegisters(slaveID, address_PF, 8);
pf_a = ushortToFloat(data3[0], data3[1]);
pf_b = ushortToFloat(data3[2], data3[3]);
pf_c = ushortToFloat(data3[4], data3[5]);
pf = ushortToFloat(data3[6], data3[7]);
CommFailureFlag = false;
Fault_info = "Communication is normal";
}
catch (Exception e)
{
CommFailureFlag = true;
Fault_info = e.Message;
}
}
static void Main(string[] args)
{
try{
/*
* Connecting via Serial
*/
SerialPort serialPort = new SerialPort(); //Create a new SerialPort object.
serialPort.PortName = "COM5"; //PC port
serialPort.BaudRate = 19200; //baud rate
serialPort.DataBits = 8;
serialPort.Parity = Parity.None;
serialPort.StopBits = StopBits.One;
serialPort.RtsEnable = true; //false for RS232, true for RS48
serialPort.Open();
ModbusSerialMaster master = ModbusSerialMaster.CreateRtu(serialPort); //or .CreateAscii(serialPort)
master.Transport.ReadTimeout = 1000; //ms
{
// read multiple int16 values
string[] totusTemps =
{
"Thermal/AmbientTemp",
"Thermal/AmbientTemp/1hAvg",
"Thermal/AmbientHumidity",
"Thermal/AmbientHumidity/1hAvg",
"Thermal/TopOilTemp",
"Thermal/TopOilTemp/1hAvg",
"Thermal/BottomOilTemp",
"Thermal/BottomOilTemp/1hAvg",
"Thermal/TapChangerTemp",
"Thermal/TapChangerTemp/1hAvg"
};
{
//read int16 temperatures
ushort numInputs = 10;
byte slaveID = 1;
ushort startAddress = 1000; //select address from Totus Modbus table
ushort[] temps = master.ReadInputRegisters(slaveID, startAddress, numInputs); //*2 because we are reading 2byte unsigned short that needs converted to 4 byte floats
for (int i = 0; i < numInputs; i++)
{
Console.WriteLine("{0} = {1}°C", totusTemps[i], (float)temps[i] / 10); // divide by 10 as specified in Scaling column
}
}
}
{
//read alarms
byte slaveID = 1;
ushort numInputs = 2;
ushort startAddress = 100;
bool[] alarms = master.ReadInputs(slaveID, startAddress, numInputs);
string[] totusAlarms =
{
"ALARM/System/HL/State",
"ALARM/System/HHLL/State"
};
for (int i = 0; i < numInputs; i++)
{
Console.WriteLine("{0} = {1}", totusAlarms[i], alarms[i]);
}
}
{
//read DGA float32 gases
string[] totusDGA =
{
"DGA/SourceA/CH4",
"DGA/SourceA/C2H6",
"DGA/SourceA/C2H4",
"DGA/SourceA/C2H2",
"DGA/SourceA/CO",
"DGA/SourceA/CO2",
"DGA/SourceA/O2",
"DGA/SourceA/N2",
"DGA/SourceA/H2",
"DGA/SourceA/H2O",
"DGA/SourceA/TDCG",
"DGA/SourceA/THC"
};
byte slaveID = 1;
ushort numInputs = 12;
ushort startAddress = 2200; //select address from Totus Modbus table
ushort[] inputsdga = master.ReadInputRegisters(slaveID, startAddress, (ushort)(numInputs * 2)); //*2 because we are reading 2byte unsigned short that needs converted to 4 byte floats
for (int i = 0; i < numInputs; i++)
{
Console.WriteLine("Float32 {0} {1} = {2} ppm", startAddress + i * 2, totusDGA[i], Convert2Float(inputsdga[i * 2], inputsdga[i * 2 + 1]));
}
}
master.Dispose();
}
catch (Exception exception)
{
//Connection exception
//No response from server.
//The server maybe close the connection, or response timeout.
Console.WriteLine(exception.Message);
}
Console.Read();
}