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8
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.
green digits. A lit yellow LED indicator below
the STEP push-button shows which measured
value is indicated on the display.
Indicator
Data to be displayed
I [kA]
Measured phase currents I
L1
, I
L2
and I
L3
in kiloamperes. The
measuring range is 0.00…999 kA. The phase is indicated by the
leftmost red digit 1, 2 or 3 on the display.
I [A]
Measured phase currents I
L1
, I
L2
and I
L3
in amperes. The measuring
range is 0.00…999 A. The phase is indicated by the leftmost red digit
1, 2 or 3 on the display.
U [kV]
Measured phase-to-phase voltages U
12
, U
23
, U
31
in kilovolts. The
measuring range is 0.00…999 kV. The measured voltage is indicated
by the leftmost red digit 1, 2 or 3 on the display.
P [MW]
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.
Q [MVar]
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.
E [GWh, MWh, kWh] Measured active energy. The measured value is displayed in three
parts; in gigawatthours, in megawatthours and in kilowatthours
The serial communication parameters, too, are
presented on the four-digit display. The address
of the data to be displayed is indicated by the
leftmost red digit of the display.
Display of measured
values and serial
communication
parameters
The displayed items can be stepped through by
pressing the STEP push-button. The measured
values are presented by the three rightmost
The display can be selected to show a measured
value continuously or to be switched off after a
5 minutes timeout.