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A1800 ALPHA Meter

Technical Manual

Rev.02
10-2011

www.izmerenie.ru

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Содержание ALPHA A1800

Страница 1: ...A1800 ALPHA Meter Technical Manual Rev 02 10 2011 www izmerenie ru ...

Страница 2: ......

Страница 3: ...ons 2 4 Battery 2 5 Cover tamper detection switches 2 5 Terminal configurations 2 6 Communication protocols 2 6 System architecture 2 6 General theory of operation 2 7 Power supply 2 7 Main power supply 2 7 Auxiliary power supply 2 7 Current and voltage sensing 2 7 Meter engine 2 8 Microcontroller 2 8 EEPROM 2 8 Billing data 2 9 Metered energy and demand quantities 2 9 Average power factor 2 9 Dem...

Страница 4: ...or 3 3 Error indicator 3 3 Low battery indicator 3 3 Active COM port indicator 3 3 Display indicators 3 3 Push buttons 3 4 RESET button 3 4 button 3 5 Using the backlight 3 6 Operating modes 3 7 Normal mode 3 7 Alternate mode 3 8 Test mode 3 8 Demand reset 3 9 Demand reset lockout 3 10 Demand reset data area 3 10 4 Meter tools 4 1 System instrumentation 4 1 System service tests 4 5 Service voltage...

Страница 5: ...ing LCD pulse count for testing 6 10 7 Installation and removal 7 1 Preliminary inspection 7 1 Placing the meter into service 7 1 Installing a TOU battery 7 3 Troubleshooting 7 4 Initial setup 7 4 Marking the utility information card 7 5 Removing the meter from service 7 6 Removing the battery 7 6 8 Loss compensation 8 1 Introduction 8 1 What is Loss Compensation 8 1 Availability 8 1 Software supp...

Страница 6: ... factor B 8 Cumulative demand B 9 System instrumentation B 9 System service tests B 11 Errors and warnings B 12 Communication codes B 12 C Nameplate and style number information C 1 Nameplate C 1 Utility information card C 2 Style number information C 3 D Wiring diagrams D 1 Direct connected D 1 CT connected meters D 2 E Technical specifications E 1 Absolute maximums E 1 Operating ranges E 1 Opera...

Страница 7: ...ndirect incidental or consequential damage or loss whatsoever including but not limited to damage or loss of use of equipment cost of capital loss of profits or revenues or claims against the user by its customers from the use of the information recommendations descriptions and safety notices contained herein Safety Information Installation operation and maintenance of this product can present pot...

Страница 8: ...presence of a hazard that can cause severe personal injury death equipment damage or property damage if notice is ignored Danger is used to alert personnel to the presence of a hazard that will cause severe personal injury death equipment damage or property damage if the notice is ignored ...

Страница 9: ...ty meter and integral register for commercial and industrial applications The meter is available in 3 and 4 wire configurations for 3 phases See Figure 1 1 for an illustration of an A1800 ALPHA meter Figure 1 1 A1800 ALPHA meter CT VT A V imp kWh kVARh ELSTERSAM PLE 3x58 100 277 480V 50Hz 1 10 A 0 2 S 5 000 imp kWh 5 000 imp kVarh TYPE A1800 M O D E L T1 T2 T3 T4 T5 T6 T7 T8 EOI LC TC TST P P Q Q ...

Страница 10: ...articular requirements pulse output devices for electromechanical and electronic meters two wires only 62053 61 1998 1 Particular requirements power consumption and voltage requirements 62056 211 1 Complies with optical port requirements only 2002 1 Electricity metering data exchange for meter reading tariff and load control direct local data exchange 62052 21 2004 Electricity metering tariff and ...

Страница 11: ...n the situation where main power is unavailable The A1800 ALPHA meter can use its internal crystal oscillator or the power line frequency to maintain time and date functions The crystal oscillator can be used when the power line frequency is known to be too unstable for accurate timekeeping The A1800 ALPHA meter has been designed to function to provide long battery life Because of the low current ...

Страница 12: ...atures no user calibration required factory calibrated reduced testing times fewer styles to learn and maintain dual serial communications interfaces on the main meter circuit board automated data retrieval system service verification on site instrumentation displays tamper restraint and quality monitoring TRueQ tests event logging Security The A1800 ALPHA meter is tamper resistant Passwords may b...

Страница 13: ...itariffs LCD backlight Class 0 5 accuracy transformer and line loss compensation V 4 quadrant metering A extended 1 MB memory X instrumentation profiling L load and instrumentation profiling L add 1 communication port Multi protocol communications Modbus DNP 3 0 A18101 1 Contact Elster Metronica for availability Small C I Mid C I 1 0 1 communications port RS 232 or RS 485 internal 128 KB 256KB mem...

Страница 14: ...manual 1 6 Introduction Figure 1 2 A1800 ALPHA meter family application pyramid Residential Light C I Mid C I A1810 Large C I A1805 A1802 A 1 8 0 0 A L P H A m e t e r f a m i l y Interchange metering A1810 A1820 ...

Страница 15: ...f the A1800 ALPHA meter provides an IP54 degree of protection for the meter The physical components of the A1800 ALPHA meter consist of the following terminal cover long terminal cover see Figure 2 1 short terminal cover see Figure 2 2 1 partially transparent terminal cover meter cover assembly inner cover assembly base electronic assembly Figure 2 1 Front view of the A1800 ALPHA meter 1 Contact E...

Страница 16: ...s only Therefore only the terminal cover seals must be broken to access these connections The two meter cover screws are located on the lower front of the meter under the terminal cover Sealing these screws seals the main enclosure and limits access to the metering circuit board and sensing elements For maximum protection of the metering components seal all four screw seals 1 Contact Elster Metron...

Страница 17: ...ptical port on the meter Figure 2 4 IEC compliant optical port interface Elster Metronica recommends use of the AE 1 optical probe to reliably read the A1800 ALPHA meter For information on ordering the AE 1 optical probe visit www izmerenie ru or contact your local Elster Metronica representative LCD The A1800 ALPHA meter is equipped with a 16 segment character liquid crystal display See Indicator...

Страница 18: ... communication Physical outputs exist for both RS 232 and RS 485 interfaces however only one can be used at any given time No configuration is necessary to switch between an RS 232 and RS 485 selection Additionally the A1800 ALPHA meter S B suffixs provides a second independent serial communication port that supports either RS 232 see Figure 2 6 or RS 485 see Figure 2 7 See Chapter 5 Outputs for m...

Страница 19: ... an illustration of the terminal cover detection switch the meter cover detection switch is similar When either detection switch is activated the TC indicator on the LCD turns on and remains on while the cover is removed The date and time of the cover removal is logged in the event log See Event log on page 2 14 for more information Figure 2 8 Terminal cover detection switch Pulse output relay opt...

Страница 20: ...rrent sensors power supply high frequency crystal oscillator 32 kHz low power timekeeping crystal oscillator optical port components liquid crystal display LCD interface RS 232 and RS 485 communication interfaces option board interface pulse outputs Figure 2 9 Meter block diagram Pulse outputs Wide input power supply 5 V linear power supply Non volatile supply Precision reference Low power crystal...

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