/// <summary>
/// 设置PLC中ModbusTCP HoldReg DB块 第index个数的大小，可以是任意类型
/// </summary>
public bool SetVal(int index, float val, ModbusTCPMaster MBmaster)
{
byte[] bytes;
switch (TypeList[index])
{
case "System.Byte":
var data1 = (byte)val;
bytes = new byte[] { data1 };
break;
case "System.Int16":
var data2 = (Int16)val;
bytes = BitConverterHelper.Int16ToBytes(data2);
break;
case "System.Int32":
var data3 = (Int32)val;
bytes = BitConverterHelper.Int32ToBytes(data3);
break;
case "System.Single":
var data4 = (Single)val;
bytes = BitConverterHelper.SingleToBytes(data4);
break;
default: throw new Exception("Type is not correct!");
}
ushort address = (ushort)(getDataOffset(index) / 2);
MBmaster?.WriteMultipleRegister(ModbusTCPMaster.WriteMultipleRegisterFucID, SlaveID, address, bytes);
Thread.Sleep(20);
return(true);
}
float GetDesTemData(int dataAddress)
{
byte slaveID = Convert.ToByte(serialPortConfig.BiaoAddressValue);
ushort startAddress = (ushort)dataAddress;
ushort numofPoints = 2; //数据帧中 word 的数量
ushort[] holdingregister = master.ReadHoldingRegisters(slaveID, startAddress, numofPoints);
byte[] bytes = { };
for (int i = 0; i < numofPoints * 2; i++)
{
byte[] byteTemp;
byteTemp = BitConverter.GetBytes(holdingregister[i]);
bytes = BitConverterHelper.BytesConnect(bytes, byteTemp);
}
float val = BitConverterHelper.ToSingle(bytes, 0);
val = (float)(Math.Round(val, 3));
return(val);
}
public bool SetVals(int startindex, float[] vals, ModbusTCPMaster MBmaster)
{
byte[] bytes;
byte[] returnbytes = { };
int count = vals.Length;
for (int i = 0; i < count; ++i)
{
switch (TypeList[startindex + i])
{
case "System.Byte":
var data1 = (byte)vals[i];
bytes = new byte[] { data1 };
break;
case "System.Int16":
var data2 = (Int16)vals[i];
bytes = BitConverterHelper.Int16ToBytes(data2);
break;
case "System.Int32":
var data3 = (Int32)vals[i];
bytes = BitConverterHelper.Int32ToBytes(data3);
break;
case "System.Single":
var data4 = (Single)vals[i];
bytes = BitConverterHelper.SingleToBytes(data4);
break;
default: throw new Exception("Type is not correct!");
}
returnbytes = BitConverterHelper.BytesConnect(returnbytes, bytes);
}
ushort address = (ushort)(getDataOffset(startindex) / 2);
MBmaster?.WriteMultipleRegister(ModbusTCPMaster.WriteMultipleRegisterFucID, SlaveID, address, returnbytes);
Thread.Sleep(20);
return(true);
}
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);
}
private void ModbusSetK012()
{
if (serialPort.IsOpen == true)
{
ushort[] sendUShort = { };
ushort[] ushorts = BitConverterHelper.SingleToUShort(K0_XiShu.Value);
sendUShort = BitConverterHelper.UShortConnect(sendUShort, ushorts);
ushorts = BitConverterHelper.SingleToUShort(K1_XiShu.Value);
sendUShort = BitConverterHelper.UShortConnect(sendUShort, ushorts);
ushorts = BitConverterHelper.SingleToUShort(K2_XiShu.Value);
sendUShort = BitConverterHelper.UShortConnect(sendUShort, ushorts);
try
{
master?.WriteMultipleRegisters(SlaveAddress,
(ushort)(AddressConfig.K0 - 1), sendUShort);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
