User Manual

Table Of Contents
On Air Message Types 4-6
SmartPoint Module for the Elster A3 Meter ECMTM40000
4.7 Buddy Message—App Code 8
4.7.1 Message Format
This is a message sent by a relaying two way transmitter sent after repeating a message in order to
build routing information in the central database. Meter reading data from the repeating device has
been added to the previously unused portion of the Buddy Message for extra system redundancy. The
format of the Buddy Message is shown below:
If the Extended Buddy Report bit is set, bytes 10 to 27 are set as follows:
4.7.2 Buddy Id
This field contains the Id of the unit that has been relayed.
App Data
Byte
Data
0-3 Buddy ID
4 Buddy App Code
5 Buddy RF Sequence
6 Buddy App Sequence
7 Received Signal Level
8 Received Noise Level
9 (0:6) Queue Time
9 (7) Extended Buddy Report
10-11 Relative Time Stamp
12-14 Current Reading
15-27 History Samples
App Data
Byte
Data
10 Embedded App Code (13)
11-12 Relatvie Time Stamp
13-15
Delta Data Type/Current
Reading
16-19 Peak Demand
20-27 History Samples