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Display of measured
values and serial
communication
parameters
8
The displayed items can be stepped through by
pressing the STEP push-button. The measured
values are presented by the three rightmost
Indicator
I [kA]
I [A]
U [kV]
P [MW]
Q [MVar]
E [GWh, MWh, kWh] Measured active energy. The measured value is displayed in three
The serial communication parameters, too, are
presented on the four-digit display. The address
Red digit Data to be displayed
A
Serial communication address. Can have a value within the range 0...254.
Default value 99.
B
Serial communication baudrate. Selectable transmission rates 4.8 or 9.6 kBd.
Default value 9.6 kBd.
C
Serial communication monitor. If the module is connected to a higher level
communicatin equipment and the communication system is operating, the monitor
reading is 0, otherwise the numbers 0...255 are continuously scrolling in the
display.
The display can be selected to show a measured
value continuously or to be switched off after a
5 minutes timeout.
green digits. A lit yellow LED indicator below
the STEP push-button shows which measured
value is indicated on the display.
Data to be displayed
Measured phase currents I
measuring range is 0.00...999 kA. The phase is indicated by the
leftmost red digit 1, 2 or 3 on the display.
Measured phase currents I
range is 0.00...999 A. The phase is indicated by the leftmost red digit
1, 2 or 3 on the display.
Measured phase-to-phase voltages U
measuring range is 0.00...999 kV. The measured voltage is indicated
by the leftmost red digit 1, 2 or 3 on the display.
Measured active power in megawatts. Both positive and negative
values are indicated. Positive values have no sign, negative values are
indicated by a red minus sign.
Measured reactive power in megavars. Both positive and negative
values are indicated. Positive values have no sign, negative values are
indicated by a red minus sign.
parts; in gigawatthours, in megawatthours and in kilowatthours
of the data to be displayed is indicated by the
leftmost red digit of the display.
, I
and I
in kiloamperes. The
L1
L2
L3
, I
and I
in amperes. The measuring
L1
L2
L3
, U
, U
12
23
31
in kilovolts. The
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