24 A1120/40 - Electronic Polyphase Meter
© Elster Metering Limited - M181 001 2G - 5/2010
14 METER DISPLAY
14.1 Introduction
The A1120/40 meter is fitted with a high contrast liquid crystal display that can be viewed from a
wide angle. The main display characters are 9.8mm high.
The display can be configured using the Power Master Unit to display data with English
descriptors or OBIS (Object Identification System) format.
The Test Display with a description of the displayed legend (English or OBIS) is shown below.
English Identifier
OBIS Code
nglish
escription
everse Run
Phase
Indicators
Ch evrons
Energy Flow
Direc tio n
Alarm
Mu ltiplier
X10, X100
Un its of Quantity
M, k, W, V, A, r, h
Register, Time,
Da te, Sec urity D ata
14.2 General
Display Resolution
T
he resolution of the display can be set at manufacture to 7, 6 or 5 digits.
The decimal point indicator can be configured to be a point or a comma and set to 0,
1 or 2 places.
kWh Wh mWh
Internal storage is :- 1 2 3 4 5 6 7 8 9 0 1 2 3. 4 5 6
The display is a window of this. e.g. 1 2 3 4 5 6 7 8 9 0 1 2 3. 4 5 6
Seven Digits Six Digits Five Digits
4 5 6 7 8 9 0
5 6 7 8 9 0. 1
6 7 8 9 0. 1 2
5 6 7 8 9 0
6 7 9 9 0. 1
7 8 9 0. 1 2
6 7 8 9 0
7 8 9 0. 1
8 9 0. 1 2
Units of Quantity and Multiplier
The Units of Quantity (Wh, kWh, MWh) and multiplier (x10,
x100) displayed are selectable by the Power Master Unit and
displayed in the top right corner of the display.
The display opposite shows kWh, x10.