/// <summary>
/// 获取单个输入点状态
/// ArgumentOutofRange
/// </summary>
/// <param name="index">输入点序号，从0开始</param>
/// <returns></returns>
public int GetDI(int index, out bool isON)
{
if (index < 0 || index >= DICount)
{
throw new Exception(string.Format("GetDI(index = {0}, isON) index is out of range:0~{1}", index, DICount - 1));
}
isON = false;
if (!IsOpen)
{
return((int)ErrorDef.NotOpen);
}
int val = HTM.ReadDI(diIndex[index]);
//int val = HTM.GetDI(diIndex[index]);
isON = val != 0;
return((int)ErrorDef.Success);
}