10-13
IM WT3001E-51EN
Waveform Computation (Option)
10
10.6 Waveform Computation Function Specifications
Computation Function
Item Specifications
Computed source Voltage, current, and active power of each input element; torque (analog input) and speed (analog
input) of motor input (option); and motor output
Equation Two equations (MATH1 and MATH2)
Operator +, –,
*
, /, ABS (absolute value), SQR (square), SQRT (square root), LOG (natural logarithm),
LOG10 (common logarithm), EXP (exponent), NEG (negation), AVG2, AVG4, AVG8, AVG16,
AVG32, AVG64 (exponential average).
Measurement Function
Item Specifications
Sampling clock Fixed to 200 kHz
Display update Data update interval + computing time
Functional Limitations
Item Specifications
Display Trend display, bar graph display, vector display, and FFT display are not allowed.
Harmonic measurement Not allowed
Equation for apparent
power and reactive power
Type3 not selectable.
If waveform computation mode is enabled while Type3 is set, Type1 is automatically selected.
Integration Not allowed
Trigger Mode OFF not selectable.
If waveform computation mode is enabled is enabled while OFF is set, Auto is automatically
selected.
Store Not allowed
Synchronized measurement Not allowed
Auto print Integration synchronization is not allowed.
Measurement Functions
Measurement is not allowed for measurement functions related to the functions above
that have limitations. For a list of measurement functions that cannot be measured, see
appendices 10 and 11 in the User’s Manual IM WT3001E-01EN.
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