User Manual

Receiver Section 6-5
SmartPoint Module for the Elster A3 Meter ECMTM40000
6.2.7 Set
A command to reset the real time clock of the device:
The Elapsed Seconds field contains the number of elapsed seconds since the top of the hour ( 0 -
3599 ) from the perspective of the host.
The Hour of the Day represents the current real time hour (0-23 for midnight to 11:00pm).
The Read Hour allows setting of the time that the meters that receive this message will read their
associated meters if the supervisory rate is set to 6 hours or higher. The value is in hours plus 1 (1-24
for midnight to 11:00 pm). 0 means do not change current reading hour.
6.2.8 On Demand Read / Drive By Read
A command to force the device to transmit its latest meter data. If the address is set to Broadcast
(0xffffff) the unit will wait 0 to Maximum Dither seconds inversely proportional to received SNR.
Mode and Maximum Dither are only valid for Drive By Reads.
Byte
(Bits)
Field
0 Repeat Level / Status
1 App Sequence
2 App Code: 7 – Command Message
3 Command Type: 5 – Set Time
4-7 Buddy Routing Address
8-9 Elapsed Time (in seconds) Since Top of The Hour ( 0 – 3599 )
10 Hour of the Day (0 – 23)
11 Read Hour +1 (1-24) (0=don’t change current Read Hour)
12-31 (reserved)
Byte
(Bits)
Field
0 Repeat Level / Status
1 App Sequence
2 App Code: 7 – Command Message
3 Command Type: 7 – Demand Read
4-7 Buddy Routing Address
8 Mode (0 – Normal Mode; 1 – mPass Mode)
9 Maximum Dither (0-255 seconds)
10-31 (reserved)