/// <summary>
/// 读取电流和量程百分比
/// </summary>
public CurrentInfo ReadCurrent(bool optical = false)
{
if (!optical || (_PVCurrent == null && _ID != null))
{
_PVCurrent = _HartComport.ReadCurrent(_ID.LongAddress);
}
return(_PVCurrent);
}
/// <summary>
/// 设置固定电流输出,当传入的参数为0时表示取消固定电流输出模式
/// </summary>
public bool SetFixedCurrent(float current)
{
if (_ID == null)
{
return(false);
}
bool ret = _HartComport.SetFixedCurrent(_ID.LongAddress, current);
if (ret)
{
_PVCurrent = null;
}
return(ret);
}
/// <summary>
/// 读取电流和量程百分比
/// </summary>
public CurrentInfo ReadCurrent(long longAddress)
{
CurrentInfo ret = null;
RequestPacket request = new RequestPacket()
{
LongOrShort = 1, Address = longAddress, Command = 2
};
ResponsePacket response = Request(request);
if (response != null && response.DataContent != null && response.DataContent.Length >= 8)
{
byte[] d = response.DataContent;
ret = new CurrentInfo();
ret.Current = BitConverter.ToSingle(new byte[] { d[3], d[2], d[1], d[0] }, 0);
ret.PercentOfRange = BitConverter.ToSingle(new byte[] { d[7], d[6], d[5], d[4] }, 0);
}
return(ret);
}