Elster Solutions LLC VRT02 사용자 설명서
VRT
D
IRECT
G
AS
-M
ETER
T
RANSPONDER
O
VERVIEW
CHAPTER
3
Page 10
VRT Gas Transponder ― User Guide
AMCO Automated Systems • P/N 52870T010 Rev 1 May 2003
1. At the factory during the manufacturing process
2. At the time of installation once the transponder has been
attached to the meter
3. In the field as required by the utility
4. During the course of normal transponder operation
Columns showing a check mark (
Columns showing a check mark (
9
) indicate the data must be
programmed at the given stage. The “+” indicates an optional
reprogramming stage for this item. An X in the column indicates the
data is not programmed during this stage.
reprogramming stage for this item. An X in the column indicates the
data is not programmed during this stage.
When Programmed/Recorded
Function/ Data
Factry
Install
Field
Ops
Comment
1a. Initial electronic index reading
x
9
+
x
User manually sets electronic index to current
mechanical index.
mechanical index.
1b. Record cumulative electronic
index reading
index reading
x x x
9
Transponder automatically reads counts and logs
electronic index reading.
electronic index reading.
2. Current date
9
+
+
x
Programmed at factory.
3. Current time
9
+
+
x
Time of day for the time zone specified by the utility.
Can be manually set/ reset or synchronized to the
interrogator’s real-time clock upon each reading.
Can be manually set/ reset or synchronized to the
interrogator’s real-time clock upon each reading.
4. Daily read capture time (History
start time)
start time)
9
+
+
x
Time of day at which the transponder will capture the
daily read value.
daily read value.
5. Record Daily read history
x
x
x
9
Read history accumulates daily, transponder stores up
to 35 days of readings.
to 35 days of readings.
6. Time-of-use (TOU) start and
end times (optional)
end times (optional)
9
+
+
x
Indicates the TOU time slots selected by the utility.
Readings are accumulated between the specified start
and stop times. (See TOU time slots table in
Appendix)
Readings are accumulated between the specified start
and stop times. (See TOU time slots table in
Appendix)
7. Record Time-of-use (TOU)
readings (optional)
readings (optional)
x x x
9
Accumulates counts in the TOU time slots.
8. Pre-divider
9
+
+
x
Specifies the rollover of subcounts into counts.
9. Pressure- compensation factor
x
9
+
x
User sets the proper pressure-compensation factor
after transponder is installed. Transponder calculates
adjustments to readings accordingly.
after transponder is installed. Transponder calculates
adjustments to readings accordingly.
10. Next Daylight Savings Time
Start Date
Start Date
9
+ +
x
This is the date Daylight Savings Time starts. If
daylight savings time is observed, the initial settings
are programmed at the time of manufacture. Updates
to daylight savings time are communicated through the
VRT Route Manager and interrogators.
daylight savings time is observed, the initial settings
are programmed at the time of manufacture. Updates
to daylight savings time are communicated through the
VRT Route Manager and interrogators.
11. Next Daylight Savings Time
End Date
End Date
9
+
+
x
This is the date Daylight Savings Time ends. If
daylight savings time is observed, the initial settings
are programmed at the time of manufacture. Updates
to daylight savings time are communicated through the
VRT Route Manager and interrogators.
daylight savings time is observed, the initial settings
are programmed at the time of manufacture. Updates
to daylight savings time are communicated through the
VRT Route Manager and interrogators.