Itron 50ESS Electric Utility Meter Module User Manual Marketing ation

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Document ID	226783
Application ID	EYFUE0cc+DfiWy1dBRKTCA==
Document Description	Marketing documentation
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	19.75kB (246906 bits)
Date Submitted	2002-02-19 00:00:00
Date Available	2002-06-17 00:00:00
Creation Date	2001-03-16 14:14:02
Producing Software	Acrobat Distiller 4.05 for Windows
Document Lastmod	2001-03-16 14:14:04
Document Title	Microsoft Word - A3 meter with SSD ERT Data Sheet.doc
Document Creator	Windows NT 4.0

A3 ALPHA® Meter with SSD ERT®
®
For many years, Itron ERT devices have provided an economic
method to collect consumption data from electricity meters. Until
now, however, there has been no similar solution for collecting
billing data from demand metered accounts. An ABB
®
A3 ALPHA meter equipped with an under–the–cover Itron Solid
State Demand (SSD) ERT solves this problem.
The SSD ERT is designed to fit under the cover of the A3 ALPHA
meter to simplify installation and reduce costs.
Meter Status
Included in the SCM messages are multiple error, warning, or
status flags that provide key information about the site conditions
and enable you to detect possible tamper conditions.
•
Standard ERT Meter Removal & Inversion Tamper Flags
– Always Included in SCMs
•
Examples of up to four additional flags in SCMs (actual
list to be determined):
An A3T ALPHA meter (TOU meter) equipped with a SSD ERT
performs automatic scheduled self reads (with demand resets).
The SSD ERT retrieves all billing data directly from the meter
registers and transmits the following information:
•
previous billing period consumption value (kWh)
•
previous billing period maximum demand value (kW)
•
date of last demand reset
•
•
•
•
•
End of Calendar Warning
Internal Meter Error
Phase Outage Warning
Low Battery Warning
Reverse Power Flow Warning
Read Schedules
Because the SSD ERT is always reporting the data from end of
the previous billing period, you have a full billing cycle to collect
the data. The SSD ERT for the A3 ALPHA functions similarly to
the Itron 41ER-1 ERT and continuously bubbles up these data
elements in three different SCMs (Standard Consumption
Messages).
The data may be collected with any of the following Itron reading
systems:
•
Handheld OMR (includes PremierPlus 4, Integrator, &
MVRS)
•
Mobile AMR
•
Fixed Network
The A3T ALPHA meter provides an extensive and flexible
calendar permitting the use of both recurring and nonrecurring
dates. This calendar is used to define the read schedules
(demand reset dates) for meters with an SSD ERT. Using ABB’s
Metercat™ software you can create and define a calendar
schedule for each read cycle.
•
If the read calendar is completely defined using
“recurring dates” then a perpetual calendar will exist in
the meter and no calendar updates will be necessary.
•
If no recurring dates can be defined, the A3 ALPHA can
provide up to 10 years of scheduled non-recurring
monthly resets.
As additional security for the billing data, the A3 ALPHA meter
will store 15 self reads that contain the billing data for the last 15
months.
Internal Design Concept
A3 ALPHA Meter
The A3 ALPHA meter is the newest addition to ABB’s line of
ALPHA electricity meters. The A3 ALPHA meter builds upon the
strengths of existing ALPHA meter designs. Like its
predecessors, the A3 ALPHA uses ABB’s patented digital
measurement techniques that offer high accuracy, repeatability,
and low ownership costs. In support of open architecture
standards, the A3 ALPHA meter is the first ABB meter with full
ANSI C12.18, C12.19, and C12.21 communication protocol
support.
A standard A3T ALPHA meter is used to support the SSD ERT.
Should your AMR needs change in the future, this meter, like all
A3 ALPHA meters, can be upgraded to support the functionality
and communication options that you require.
Alpha Key Upgrades
Communication Options
• Reactive metering
• Internal modem
• Advanced four
quadrant metering
• RS232
• Loss compensation
• External serial interface
• PQM
• Load profiling
• 20mA current loop
• Instrumentation
profiling
The A3 ALPHA supplies many standard features such as:
•
Self reads (15 self-reads may be kept at all times)
•
Over 50 different instrumentation display quantities
•
System service checks
•
Class 0.2 accuracy for transformer rated and selfcontained
Single phase - 1S, 2S, 3S, 4S
Operating Ranges
Voltage
Current
Frequency
Temperature range
Humidity range
Nameplate nominal range
Operating range
120V-480V
96V-528V
0 to Class amperes
Nominal 50 or 60Hz ±5%
-40° to 85°C inside meter cover
0 to 100% non-condensing
General Performance Characteristics
Starting Current
Form 1S and Form 3S
All other forms
Startup delay
Creep 0.000A
(no current)
Primary time base
Secondary time base
• RS485
A3 ALPHA Meter Forms Available
with SSD ERT
A3 ALPHA Technical Specifications
Outage carryover
capacity
Battery (optional)
Communications baud
10mA for Class 20
100mA for Class 200
160mA for Class 320
5mA for Class 20
50mA for Class 200
80mA for Class 320
<3s from power application to pulse accumulation
No more than one pulse measured per quantity,
conforming to ANSI C12.1 requirements
Power line frequency (50 or 60Hz), with selectable crystal
oscillator
Meets the ANSI limit of 0.02% using the 32.768kHz
crystal. Initial performance is expected to be equal to or
better than ±55 seconds per month at room temperature
6 hours at 25°C. Supercapacitor rated at 0.1 Farads, 5.5V
LiSOCl2 battery rated 800mAhr, 3.6V and shelf life of 20+
years. 5 years continuous duty at 25°C
Optical port
9600 baud (nominal)
Remote port
1200 to 19,200 BPS
ANSI Standards
C12.1
C12.10
C12.20
C12.18
C12.19
SSD ERT Technical Specifications
Transmit Frequency
Data Integrity
Operating Temperature
Operating Humidity
FCC Compliance
ANSI Compliance
Spread spectrum 910-920 MHz
Verified in every data message
-40°– +85° C
5 to 95% non-condensing relative humidity
Part 15 certified
Meets or exceeds ANSI C12.1 Standards
Disclaimer: Information in this data sheet is based on the development
intent of ABB Automation Inc. and Itron, Inc. This information is subject
to change during the course of product development.
Polyphase - 35S, 36S, 9S, 12S, 16S
Itron
ABB Electricity Metering
208 S. Rogers Lane
Raleigh, NC 27610
Website: www.abb.com/metering
C12.21
© 2001 by ABB Automation Inc.
Printed March 2001. All rights reserved.
2818 North Sullivan Road
Spokane, WA 99216
Website: www.itron.com

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Create Date                     : 2001:03:16 14:14:02
Producer                        : Acrobat Distiller 4.05 for Windows
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Title                           : Microsoft Word - A3 meter with SSD ERT Data Sheet.doc
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