YOKOGAWA WT3002E - Page 117

7-14
IM WT3001E-51EN
• Single List
• When the display mode is Numeric, 42 numeric data values for a single
measurement function are displayed in two columns.
• When the display mode is not Numeric, 22 numeric data values for a single
measurement function are displayed in two columns.
• Dual List
• When the display mode is Numeric, 22 numeric data values each for two
measurement functions are displayed in each column.
• When the display mode is not Numeric, 11 numeric data values each for two
measurement functions are displayed in each column.
Note
• The order can be displayed from normal measured value (---) or from dc (0
th
order) up
to 100
th
order. However, the numeric data up to the upper limit of measured order (see
section 7.11) that is automatically determined by the frequency of the PLL source is the data
determined by the harmonic measurement.
• [-------] (no data) is displayed in places where the measurement function is not selected or
where no numeric data is present.
• If the analysis window width (number of cycles of the fundamental signal) that is determined
by the fundamental frequency is shorter in time than the data update interval, harmonic
data is not measured, and [-------] (no data) is displayed. If this happens, decrease the
data update interval. For example, if the fundamental frequency is 50 Hz (20-ms cycle),
the analysis window width is 10 waves (see section 7.11), and the data measurement
interval is 200 ms. The time it takes to measure the harmonics in this case is greater than
approximately 300 ms (data measurement interval + data processing time). To measure and
display harmonic data, set the data update interval to a value greater than or equal to 500
ms.
• There are no overrange display [-OL-] and zero display (zero suppression) for the harmonic
numeric data from dc (0
th
order) to the 100
th
order. For details on the overrange display and
zero display (zero suppression) of normal measured values (order: ---), see section 5.1 in
the User’s Manual IM WT3001E-01EN.
• Ifthepowerfactorλisgreaterthan1andlessthanorequalto2,λbecomes[1].φdisplays
zero.
• Ifthepowerfactorλisgreaterthan2,λandφdisplayerrors.
• Page Scrolling the Display
• When displaying 4, 8, or 16 items
Display example
Displays the voltage, current,
power, and power factor of
elements 1 to 4 on pages 1 to 4.
Page 1
Page 2
Page 3
Page bar
The current page is
highlighted.
Page 4
7.3 Setting the Number of Displayed Items, Page Scrolling the Display