/// <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);
}
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);
}
