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Introduction to the METERS and METERL load management systems
10
The energy meter at a glance
The energy meter is designed as a top-hat rail model for installation in a control cabinet or distribution box. For
page 15.
The energy meter itself offers the following connections, buttons and displays:
A
Terminal blocks
Screw terminals
1
to
6
are used to connect the supplied cable type current transformers, screw terminals
7
to
!
are used to supply power to the meter.
B
Toggle key
This key is used to navigate within the system/parameter menus and to increase/decrease the currently se-
lected parameter value. To switch between the modes (
Up/Increase
or
Down/Decrease
) press the
enter
key
D
.
You can find further information on key operation in section “Setting up the energy meter” on page 19.
C
Red LED
This LED flashes red proportionally to the measured energy.
D
Enter key
This button is used to open a parameter menu, to switch between the modes of the
toggle key
B
and to con-
firm/exit a parameter menu.
You can find further information on key operation in section “Setting up the energy meter” on page 19.
E
Output and RS485 terminals
The static outputs
"
to
%
are not used with METERS | METERL. The screw terminals
&
to
)
serve as
RS485 interfaces for communication with the controller charging station/control unit. The screw terminal
~
is
required for terminating the RS485 bus.
F
Display
The LCD display shows all system/parameter menus and measured values.
You can find further information on the display in the next section and in section “Setting up the energy meter”
G
Green LED
The LED lights up green when the energy meter is properly supplied with voltage. When the LED flashes
green, the energy meter is also communicating with the charging station/control unit via the serial RS485
interface.
B
C
A
E
G
D
F
