11
Instruction Manual
CIRWATT B 400
2�5�6 - TERMINAL COVER (DEPENDING ON VERSION)
The meters have an opaque cover over the top of the terminal box and the fixing screws. The meter has
a sensor that detects the opening and closing of the terminal cover. This detection is always enabled,
even if the meter is not powered.
2�5�7 - TERMINAL BOX
Screws
The screws are mixed, allowing the use of Phillips and flat head screwdrivers. The fastening is done with
two screws, which are designed not to strip during the various tightening and loosening operations
that can take place over the life of the meter.
Terminals
All the terminals are indelibly numbered on the front, from left to right, indicating the purpose of the
conductor on the rating label located on the meter enclosure.
Auxiliary terminals
They are located higher up than the main terminals and numbered from left to right starting with 21.
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.
Code line
Data line
Quadrant
A
ctiv
e lines
/
Current direction
A
ctiv
e tariff
Alarm
A
larm
description
Com
m
unica
t
ions
Reactiv
e
Circuit breaker
Uni
ts
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:
