13.2.11 Remaining Internal Battery Life; Historical Data - Elster A1140 User Manual

Terminal Cover
As a manufacturing option the meter can be fitted with a tamper switch to detect removal of the
terminal cover. The number of times the cover has been removed to a maximum of 65,535 is
recorded together with the time and date stamps of the last 3 occurrences.
The count and time and date stamps can be included in the display sequence.

13.2.11 Remaining Internal Battery Life

The A1120/40 provides a count of the number of hours of life left in the internal battery.
The count can be included in the display sequence.
The count is calculated by subtracting the amount of time the meter has been supported during
power outages from the initial battery life estimate.
13.3

Historical Data

At each End of Billing the following data is stored to historical registers:
Meter Data
•
Cumulative Registers
•
TOU Registers
•
TOU MD Registers
There are 15 sets of historical registers
Event Data
•
Reverse running count, last 3 time and date stamps
•
Billing events count, last 3 time and date stamps
•
Power failures count, last 3 time and date stamps
•
Meter errors, last 3 time and date stamps of non fatal errors
•
Watchdog resets count, last 3 time and date stamps
•
Programming events count, last 3 time and date stamps
•
Phase failures (L
•
CT ratio programming events count, last 3 time and date stamps
•
External battery failures count, last 3 time and date stamps
•
Number of times the terminal cover has been removed, last 3 time and date stamps
•
Number of times the main cover has been removed, last 3 time and date stamps
•
In-service hours
•
Internal battery life
Note that for Version C meters the Time and Date Stamps can be in Base Time or daylight
Savings Time.
, L or L ) count, last 3 time and date stamps
1 2 3
Operating & Maintenance Instructions
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