Pwr.DataValue()

Type: INSTANCE FUNCTION

Purpose: Extract a single data item from a PWR object.

The data item is taken from the ith data point and the jth data column. If no data have been taken, the returned value is NIL. A new DATACOL object is automatically created by the call to Pwr.DataCol(). It is usually transient, existing only for one function call.

Usage:

Data Value = Pwr.DataValue(PointNum,ColNumber)

Result
REAL or
The returned value.
- NIL
- No data acquired yet.

PointNum

INDEX
Point number, zero-based. If PointNum is out of range, a value from the last or acquired point is returned. NIL Always return a value from the last acquired point.

ColNumber

INDEX
- A code identifying the column to be used. Use the following predefined constants:
- PWR_T = Time
- PWR_Vf = Applied Voltage
- PWR_Vu = Uncompensated Voltage
- PWR_Im = Measured Current
- PWR_Pwr = Measured Power
- PWR_R = Measured Resistance
- PWR_Temp = Measured Temperature
- PWR_IERange = IE Range used during measurement
- PWR_Ach = Measured Voltage Aux Channel
- PWR_Sig = Signal sent to Control Amp
- PWR_Over = Overload column