ND30-09D 16 User's manual
Fig. 12e. Programming matrix
7.1 Measurement mode
In the Measure mode the values are displayed according to the pages that
are preset at the factory or configured by the user in the Display mode.
Changing the page is done by pressing the buttons or .
Preview of the maximum or minimum values respectively is done while the
button or is pressed down. Reset of maximum or minimum
values is done by pressing the button while viewing their values, i.e.
first the button or and then must be pressed.
Simultaneously pressing the button and will copy internal
memory to files archive.
When reactive power or reactive inductive or capacity energy is displayed,
this indication is accompanied by a symbol of the load character: for an
inductive load or for a capacity load.
When displaying the active power, the sign "+" is displayed for active energy
import or "-" for active energy export.
Exceeding of the upper or lower indication range is signaled on the display
by or . For measurement of the averaged values (P DMD, S
DMD, I DMD) single measurements are carried out with 0.25 second
quantum. Averaging time to choose from: 15, 30 or 60 minutes. Until all
samples of the averaged values are acquired, the values are calculated
from already measured samples.
Current value in the neutral wire IN is calculated from phase current vectors.
Min
Min
Max
Del
Del
Max
Max
Min
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