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Instruction Manual
CIRWATT B 101-102
Tariff modification input (Ripple Control) (terminals 23-24):
this input is used to make a tariff
change on 2-tariff energy meters.
RS-485 Communications port (terminals 21-22):
this port allow to download data from the meter
or to setup the meter. This port is also used to connect the energy meter to an RS-485 communications
bus. It allows the connection of up to 32 energy meters. To this end, the same communications bus can
be used to establish the communications with different units.
2�6 - DATA DISPLAY
Data is shown on an LCD display that is specially designed for this application. On it, you can view all
the information, such as: energy meters, electrical parameters, status indicators, etc.
Figure 1:
LCD�
Code line
. It shows the code that encodes the variable displayed in the data line.
Data line
. Area that displays information about electrical parameters, information on the meter, etc.
Units
. Unit of the parameter being displayed.
Indicators.
The meter uses the second line of the display to show the indicators on every screen. The
format is as follows:
TX
, indicates the active period at each moment.
,
It indicates that there is an alarm.
R
, indicates that the LED verifies the reactive measurement. Not available on energy meters
that only measure active energy.