Elster Solutions REXILC 900 MHz Automated Meter Reading System Transmitter User Manual

Elster Solutions, LLC 900 MHz Automated Meter Reading System Transmitter PG42 1005 p65

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A3 ALPHA® Meter/CollectorProduct Guide PG42-1005A
A3 ALPHA Meter/Collector PG42-1005A2July 2003The A3 ALPHA meter/collector is the communications point between theEnergyAxis System and the local network of REX meters that are registered tothe meter/collector. The EnergyAxis System communicates with the A3 ALPHAmeter/collector using a standard telephone line. The A3 ALPHA meter/collectorthen communicates with its registered REX meters using a 2–way, 900 MHz radiofrequency network. The A3 ALPHA meter/collector is responsible for variousactivities within the network of REX meters, including the following:■reading and storing the billing data from each REX meter on a periodic basis■reading and storing the load profiling data from a configurable number ofREX meters on a periodic basis■notifying the REX meters to perform demand resets based on a schedulefrom the EnergyAxis System■reading and storing the previous billing period data from REX meters after ademand reset has occurred■notifying the REX meters to perform season changes based on a schedulefrom the EnergyAxis System■reading and storing the previous season data from REX meters after seasonchanges have occurred■synchronizing the REX meters to the system time and TOU day type■distributing TOU rate schedules to the REX meters■reading or sending commands to an individual REX meter on command fromthe EnergyAxis System■performing other network maintenance tasks■reporting the billing and load profiling data back to the EnergyAxis SystemGeneral DescriptionThe A3 ALPHA meter builds upon the strengths of the existing ALPHA meterdesigns. Like its predecessors, the A3 ALPHA meter uses Elster Electricity'spatented digital measurement techniques that offer high accuracy, repeatability,and low ownership costs. In support of open architecture standards, theA3 ALPHA meter is the first Elster Electricity meter with full ANSI C12.18,C12.19, and C12.21 communication protocol support.To function as an A3 ALPHA meter/collector, an A3 ALPHA meter requires thefollowing two option boards:■internal telephone modem (ITM3) with optional outage reporting capabilities■internal LAN controller (ILC1) option boardThe ITM3 option board connects to the A3 ALPHA meter using the 20-pinheader (J4) on the meter circuit board as shown in Figure 1. The ILC1 optionboard connects to the ITM3 option board using the 20-pin header (J5) as shownin Figure 1.An A3 ALPHA meter/collector has a 4-conductor telephone cable exiting themeter with an RJ-11 connector at the end as shown in Figure 2. There is a wiremarker approximately 6 inches from the RJ-11 end with “INT MOD ITM3” printedon it for identifying that the ITM3 option board is installed.A3 ALPHA MeterCircuit Board
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Document ID341900
Application IDf2FJUshJk9lr5JO12+R9GA==
Document DescriptionUser Manual
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatAdobe Acrobat PDF - pdf
Filesize34.32kB (429018 bits)
Date Submitted2003-07-22 00:00:00
Date Available2003-07-22 00:00:00
Creation Date2003-07-03 15:19:53
Producing SoftwareAcrobat Distiller 5.0.5 (Windows)
Document Lastmod2003-07-03 15:19:53
Document TitlePG42-1005.p65
Document CreatorPageMaker 6.5
Document Author: PAK
FCC ID Filing: QZC-REXILC

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