Mega MEg40+ Manual - page 11
11
Universal Energy Meter MEg40
+
1 minute. Then the rotation of the registry values is restored. The rotation can be restored
using the button Start. When the button Menu is enabled, the item Energy meter and
the item Monitor appear. By turning to the item Energy meter (inverse display) and
pressing the button Select, you display the items Displ. interval, Cycle type and Higher
resolution
. By selecting the item Displ. interval you can change the speed of rotation
of the displayed register values after 5 s, 10 s, 15 s, 20 s, 30 s, by selecting the item Cycle
type
you can change rotation of all six registers for Consumption + delivery or only
three registers for Consumption or Delivery. By selecting the item Higher resolution
and yes, the frozen register values appear for 1 minute with 1 000 times higher resolution,
which results also in changes of displayed units. The default resolution is always basic, not
increased. In case of the higher resolution, three highest orders are cut off.
After the item Monitor is enabled, the items Measuring instrument, Maximum
currents
, Recorder and Check of wiring are displayed and the buttons have assigned
the meanings End, ↑ - setting one line up, ↓ - setting one line down and Selection. Press
the button End to complete the preset selection and return the program to the previous
selection, i.e. in this case to the display mode of the function Monitor. Press the buttons
↑ or ↓ to set the corresponding inversely displayed line and press the button Select to
select the item on the set line.
After the main item Measuring instrument is selected, the following four items
appear on the display: View parameters, Voltage measurement parameters, Current
measurement parameters
and Instrument parameters.
By selecting the item Display parameters you can display the items Type, Interval
and Method. After selecting the item Type you can use the buttons ↑ and ↓ to select
the display by quantities, by phases or simultaneous display of all outlet quantities. The
selected display type is to be confirmed by pressing the button End.
When displaying the item Quantity and returning to the basic display, you can use the
button U to continuously display phase or delta values, or the button I to display phase
currents, and the button P to display phase active powers. When measuring in a MV
network with a compensation coil MVL (vnL), the outlet power marked ∑P is displayed
instead of phase powers.
By simultaneous pressing more buttons, you display the selected quantities alternately
with the preset time of display.
When the item Phase is selected, use the dark button of the selected phase to display
the voltage, current and active power. According to the pre-selection, phase and delta
voltages, phase currents and active powers of the selected phases are displayed. As well in
this case, by simultaneous pressing more buttons you can display corresponding phases
alternately.