/// <summary>
/// 读取PLC中存储的点位数据，以便编辑
/// </summary>
private void ReadPLCPointData()
{
switch (curReadCoordinate)
{
case ReadPointState.None:
comm.ReadDMDatas(dm250, 5);
break;
case ReadPointState.ReadX1:
comm.ReadDMData(dm2000 + pointIndex * 2);
break;
case ReadPointState.ReadZ1:
comm.ReadDMData(dm2000 + 100 + pointIndex * 2);
break;
case ReadPointState.ReadY:
comm.ReadDMData(dm2000 + 200 + pointIndex * 2);
break;
case ReadPointState.ReadX2:
comm.ReadDMData(dm2000 + 300 + pointIndex * 2);
break;
case ReadPointState.ReadZ2:
comm.ReadDMData(dm2000 + 400 + pointIndex * 2);
break;
case ReadPointState.ReadDp:
comm.ReadDMData(dm2000 + 500 + pointIndex * 2);
break;
case ReadPointState.Readm:
comm.ReadDMData(dm2000 + 600 + pointIndex * 2);
break;
default:
break;
}
}