Operating & Maintenance Instructions
27
14.4 Displayable
Data
A full list of displayable data items is given in Figure 8. Items available will depend on the meter
variant.
Segment Test Pattern
Cumulative Registers
Customer Defined Registers
Rising Demand Registers
TOU Maximum Demand
TOU Registers
Historical Registers
Security
Instrumentation
Phase Failure
CT Ratio
Tariff CRC
Meter Errors
Dial Test
For dial testing, the cumulative kWh and kvarh displays can be set to a higher resolution by using
the Power Master Unit.
The resolution of the display can be configured to 0, 1, 2, 3 or 4 decimal places
Note: If the display is configured for Wh with no multiplier set, the maximum resolution of the
display is 3 decimal places.
The meter will cease using dial test resolution when instructed by the Power Master Unit, or after
a programmable number of power cycles.
Display Indicators
System Reverse Run Indicator
Phase Failure Indication
Per Phase Reverse Run Indication
Error/Alarm
Energy Direction Indicators
Communications Indication
When communications are taking place the following indicators are displayed in the top left corner
of the display.
o Optical communication
r RS232 Communication
Figure 7 shows examples of the display. The indicators can be disabled via the Power Master
Unit.
Summary of Contents for A1120
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Page 3: ...A1120 40 Programmable Electronic Polyphase Meter Chapter 1 Introduction M181 001 1B 5 2009 ...
Page 4: ...Minor Change Record Date Modification 7 5 2009 Format change ...
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Page 53: ...Operating Maintenance Instructions 45 Figure 4 Load Curves ...
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