protected override void CheckAlarm(object sender, ValueChangingEventArgs <Storage> e)
{
if (_enable)
{
SubCondition condition;
float value = _tag.ScaleToValue(e.NewValue);
for (int i = 0; i < _subConditions.Length; i++)
{
if (_subConditions[i].IsEnabled)
{
condition = _subConditions[i];
if (i < 2) //Hi Alarm
{
if (value > condition.Threshold)
{
OnActive(condition, e.NewValue, e.NewTimeStamp);
return;
}
else if (_deadBand > 0 && ActiveSubCondition == condition.SubAlarmType &&
value > condition.Threshold - _deadBand)
{
return;
}
}
else //Low Alarm
{
if (value < condition.Threshold)
{
OnActive(condition, e.NewValue, e.NewTimeStamp);
return;
}
else if (_deadBand > 0 && ActiveSubCondition == condition.SubAlarmType &&
value > condition.Threshold + _deadBand)
{
return;
}
}
}
}
OnInActive(e.NewValue);
}
}
protected abstract void CheckAlarm(object sender, ValueChangingEventArgs <Storage> e);