User Manual

Table Of Contents
On Air Message Types 4-19
SmartPoint Module for the Elster A3 Meter ECMTM40000
4.11.13 Flags
An eight-bit field containing two status flags, one indicating an EEROM is available on the board, and
another indicating that the temperature exceeds the programmed threshold.
4.12 Demand History Message—App Code 25
4.12.1 Message Format
This message is sent in response to Demand Reset commands and Demand History pings. All values
are read from C12.19 tables in the meter including date and time. The message has the following
Application Data field format:
Bits Description
7:2 Reserved
1 Hot Socket Alarm
0 Interval EEPROM Available
Byte (Bits) Field
0 Number of Demand Resets
1(0:3) Last Demand Reset Month (1-Jan -> 12 Dec)
1(4:7), 2(0) Last Demand Reset Day (1-31)
2(1:5) Last Demand Reset Hour (0-23)
2(6:7),3(0:3) Last Demand Reset Minute (0-59)
3(4:7) Last Peak Demand Month (1-Jan -> 12 Dec)
4(0:4) Last Peak Demand Reset Day (1-31)
4(5:7),5(0:1) Last Peak Demand Reset Hour (0-23)
5(2:7) Last Peak Demand Second (0-59)
6-9 Last Peak Demand (floating point Watts)
10-13 Last Consumption Reading
14(0:3)
2
nd
Demand Reset Month (1-Jan -> 12 Dec)
14(4:7), 15(0)
2
nd
Demand Reset Day (1-31)
15(1:5)
2
nd
Demand Reset Hour (0-23)
15(6:7),16(0:3)
2
nd
Demand Reset Second (0-59)
16(4:7)
2
nd
Peak Demand Month (1-Jan -> 12 Dec)
17(0:4)
2
nd
Peak Demand Day (1-31)