2-22
IM WT1801-01EN
Measurement Functions That Do Not Perform Averaging
The following measurement functions do not perform averaging.
Measurement Functions Used in Normal Measurement
fU, fI, U+pk, U–pk, I+pk, I–pk, P+pk, P−pk, Time, WP, WP+, WP–, WPΣ, WP+Σ, WP–Σ, WS, WQ, and SyncSp (on
models with the motor evaluation option)
Measurement Functions Used in Harmonic Measurement (Option)
ΦU(k), ΦI(k), ΦUi–Uj, ΦUi–Uk, ΦUi–Ii, ΦUj–Ij, ΦUk–Ik, fPLL1, fPLL2, EaU, and EaI
* k:
The harmonic order
Measurement Functions Used in Normal and Harmonic Measurement (Option)
F1 to F20 and Event 1 to Event 8
• When averaging is turned on, the average value of multiple measurements is determined and displayed. If
the input signal changes drastically, it will take longer for the change to be reflected in the measured values
when averaging is used.
•
A
larger attenuation constant (for exponential averaging) or average count (for moving averages) will result
in more stable (and less responsive) measured values.
Displaying the Setup Parameter List (INPUT INFO)
The setup parameter list appears in the top half of the screen.
Display Format (FORM)
Input Element Settings List (Power Element Settings)
The wiring system, measurement range, scaling factor, synchronization source, line filter, and frequency filter
settings for each element are displayed.
Measurement Range Settings List (Range Settings)
The measurement range settings for each element are displayed. Measurement ranges that have been disabled
in the valid measurement range settings are dimmed.
Display Items (ITEM)
Turning the Display Frame On and Off (Display Frame)
• The setup parameter list shows the settings when measurement took place. If the measurement range or
some other setting is changed while the hold feature is on, the changes will not be reflected in the list.
• When the setup parameter list is displayed, press FORM to sw
itch between the FORM menu for the setup
parameter list and the FORM menu for the display in the bottom half of the screen. Likewise, press ITEM
to switch between ITEM menus.
2 Fundamental Measurement Conditions
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