11
N31U User manual
The lower line of the display can be congured to display the unit. The avai-
lable units with the corresponding value in the register 4008 of the MODBUS
protocol are shown below.
Fig. 6: Front panel of the meter.
Designation Description
L1 The upper (main) line of the display has 6 characters used to display a measuring value or a parameter value
during the meter conguration.
L2 The lower (auxiliary) line of the display has 5 characters used to display a measuring value, not converted by
the individual characteristic or, according to conguration, a unit or current time.
Z1 Measuring value averaging indicator. Illuminated averaging indicator informs that the set measuring value
averaging period has not elapsed yet.
ALI Alarm status eld. This eld contains the indicator informing about the alarm status. Illuminated alarm indicator
means that an alarm event is in progress and the relay corresponding to the alarm is activated. Flashing
symbol means that the alarm state is saved (if the alarm memory is activated).
B1...B4 Meter operation buttons. The description of the button functions and their various combinations are shown in
section 5.2.
VO Indicator informing that the auxiliary supply output voltage is stable - the output voltage value is stable and
within the specied range (see technical data).
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