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A100C - BS Single Phase Electronic Meter

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A100C Typical kWh Load Curve 10 – 100A & Class 1 Limits

0.5 1 5 10 20 40 60 80 10

2.0

1.5

1.0

0.5

0

-0.5

-1.0

-1.5

2.0

Current, A

0

UPF

0.5 lag

Figure 4 - Load Curve

©

Elster Metering Limited - M130 300 2C - 5.2007

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Summary of Contents for A100C

Page 1: ...eter Variants All variants are available with IrDA or IEC 62056 21 communications Import kWh one rate Import kWh two rate Import kWh Power flow insensitive one rate Import kWh Power flow insensitive two rate Import and export kWh one rate Import and export kWh two rate M130 300 2C 5 2007 ...

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Page 3: ...gle phase meter M130 300 1 A102C BS Electronic Single Phase Meter M130 400 1 with kvarh measurement capability A102C DIN Electronic Single Phase Meter M130 400 2 with kvarh measurement capability A120 BS Electronic Single Phase Meter with M130 004 1 Load Profiling A120 DIN Electronic Single Phase Meter with M130 003 1 Load Profiling ...

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Page 5: ...Recordable Security Features 9 11 2 1 Reverse Energy 9 Reverse Run Count 9 Reverse Energy Event Flag 10 Reverse Energy Reading 10 11 2 2 Power Fail Counter 10 11 2 3 Time Rate 1 and Rate 2 10 11 2 4 Cumulative Time in Anti creep 10 11 2 5 Watchdog Reset Counter 10 11 3 Power Flow Insensitive Mode 10 12 DISPLAY 11 12 1 Introduction 11 12 2 Display Modes all meter types 12 12 3 All Meter Types 12 12...

Page 6: ...ble Data 33 Figure 8 Password Access Levels IEC 62065 21 Meters 33 APPENDIX A A1 IrDA Data Serial Output 35 A2 IrDA Serial Word Formats 38 APPENDIX B CHECKING KWH REGISTRATION ACCURACY B1 Introduction 39 B2 Checking Meter Accuracy Using the Test LED 39 B2 1 Comparing a number of LED pulses with a substandard meter register advance 39 B2 2 Comparing LED pulses with substandard meter pulses 40 B3 Ch...

Page 7: ...onably practicable the Health Safety and Welfare at Work of all their employees Employers must therefore ensure that employees are informed trained and supervised and use proper working procedures to ensure the safety of themselves and others The information provided in this manual is intended to ensure that products are properly installed and otherwise handled in order to maintain them in a safe ...

Page 8: ...re marked with the European CE mark in accordance with the Marking Directive 93 68 EEC to indicate compliance with the requirements of the EMC Directive 89 336 EEC Safety requirements for meters are addressed in specific metering standards outlined below The CE Mark does not denote compliance with the European Low Voltage Directive 73 23 EEC which specifically excludes electricity meters The A100C...

Page 9: ...y appropriate legends on the nameplate The meter stores comprehensive security data that can be included in the display sequence The A100C has the option of IrDA or IEC 62056 21 communications The IrDA variant is read only and reads the meter data electronically using a PC or handheld device As an option the meter auxiliary terminals can be configured at manufacture to transmit the same absolute d...

Page 10: ...e 6 2 Current Ratings The A100C can be supplied for use with 120V or 230V single phase two wire systems at 50 or 60Hz The following current ratings and pulses kWh are available OFGEM Approved A100C Current Voltage Frequency SJ1LA SJ1MA SJ1NA 20 100A 10 100A 5 100A 220 250V 220 250V 220 250V 50Hz 50Hz 50Hz Other Variants SJ1LA SJ1MA SJ1NA SJ1LC SJ1MC SJ1NC 20 100A 10 100A 5 100A 20 100A 10 100A 5 1...

Page 11: ...e terminal cover 6 4 Meter Accuracy The A100C measures active energy in accordance with the requirements of IEC 62053 21 2003 for indoor kWh meters of protective Class II and accuracy Class 1 or Class 2 Typical accuracy curves are shown in Figure 4 The design of the meter ensures life long stability No adjustments are required in the field 6 5 Meter Case The terminal arrangements are shown in Figu...

Page 12: ... the meter this mechanism is inhibited for either 1 minute or 1 hour configured at manufacture after power up to allow any external rate select devices to be tested 8 OVERVOLTAGE OPERATION The meter has been designed to withstand a voltage of 3 x Uref i e 400V for 230V meters 208V for 120V meters for an indefinite period When tested over a 12 hour duration the application of 400V on a 230V meter c...

Page 13: ...s retained for the nominal life of the meter and is stored in non volatile memory Registration data for the currently active rate is saved approximately every 2 hours when a rate changes to become inactive when a power fail is detected Security data is saved approximately every 2 hours or if a power fail is detected 11 2 Recordable Security Features Recordable security features are listed below Th...

Page 14: ...complete hour the meter is active in Rate 1 and Rate 2 is recorded in separate registers A count of 999999 is recordable The register will then roll over to 1 11 2 4 Cumulative Time in Anti creep This feature detects and stores each full hour the meter is in kWh anti creep mode This detects abnormal consumer load patterns 11 2 5 Watchdog Reset Counter The Watchdog Reset Counter stores a count of t...

Page 15: ...8 10 12 or 15 seconds called the dwell time The display will then sequence through the programmed displays Dwell time 6 8 10 12 or 15 seconds Next display Note the values displayed are frozen whilst shown on the display even if the source register increments If only one display is shown the register will be updated at the dwell time The nameplate may be printed in any language to suit customer req...

Page 16: ...gits 5 Digits 1 2 3 4 5 6 7 2 3 4 5 6 7 8 3 4 5 6 7 8 9 2 3 4 5 6 7 3 4 5 6 7 8 4 5 6 7 8 9 3 4 5 6 7 4 5 6 7 8 5 6 7 8 9 Internal storage is 1 2 3 4 5 6 7 8 9 0 For 6 digit registration the display is display is a window of this e g 1 2 3 4 5 6 7 8 9 0 12 3 All Meter Types The following items may be included in the display sequence Segment Test Pattern The Test Pattern is always displayed at powe...

Page 17: ...nti creep time The format of the display is shown as the number hours hhhhhh The total on time of 6852 hours for Rate 2 is shown below Chevrons Reference id 5 Hours 1 Time in Rate 1 2 Time in Rate 2 3 Total on Time 4 Cum kWh Anti creep Hours Error Codes Errors are shown in the following format Er 00001 Er 00010 Er 00100 Hardware Error Configuration Checksum Error Billing Data Checksum Error The ex...

Page 18: ...Active Chevrons with no identification are not used Dial Test Dial test can be displayed as a manufacturing option for the first one hour or two hours after power up It is prefixed with tSt and includes 2 decimal digits Chevron 1 indicates that import kWhs is being displayed Chevron 3 indicates that reverse energy is displayed Optional For 2 Rate meters the display values are the sum of the Rate 1...

Page 19: ...kWh 3 Reverse energy 7 Active rate 1 Rate 1 2 Rate 2 C cumulative Rate 1 Rate 2 12 5 Import Export Export kWh Hours Import kWh Count Active Chevrons with no identification are not used Dial Test Import Export Meter Dial test can be displayed as a manufacturing option for the first one hour or two hours after power up It is prefixed with tSt and includes 2 decimal digits Chevron 1 indicates import ...

Page 20: ...erence id 1 kWh import 3 kWh export Not used 2 Rate kWh Import Export Meter normal operation Chevron 1 indicates Import kWh for Rate 1 Rate 2 or cumulative is displayed The reference id identifies the rate being displayed Chevron 3 indicates that export kWhs is displayed Chevron 7 indicates that rate being displayed is currently active Chevrons Reference id 1 kWh import 3 kWh export 7 Active Rate ...

Page 21: ...nd of the data stream see Appendix A1 for IrDA data format An error checking algorithm protects the integrity of the data stream IrDA communications offer low cost low power consumption and high noise immunity A manufacturing option allows the port to be set to transmit at one the following baud rates 2400 baud default rate 4800 baud 9600 baud The port will transmit over a distance of 250mm and ta...

Page 22: ...t 1 Absolute meter readings 2 Security register status and identification data The following information is available Product Code Product code number Firmware Rev Code Firmware revision Manufacturing Serial Number Specified serial number Utility Serial Number Utility specified serial number 16 character maximum Configuration Number Programmed configuration Energy Register Definitions Energy Regis...

Page 23: ... as indicated below Pulse width nominal ms 10 20 30 40 50 60 80 100 120 160 200 250 or equal mark space 1 Pulses kWh 10 20 25 40 50 100 200 250 500 1000 Wh pulse 2 100 50 40 25 20 10 5 4 2 1 Maximum voltage Umax 27V d c Maximum current in On state 27 mA Minimum current in On state 10 mA Maximum current in Off state 2 mA 1 2 see below re representation of consumption Note Care should be taken in se...

Page 24: ...VA capacitive burden 0 66W 5 0 VA c 4 0 VA at 10 4 kV RMS 12kV 1 2 50µs 40 ohm source Display 8 x 3 5 mm characters high contrast wide viewing LCD 9 angle Meter Constant pulsing LED output 1000 p kWh Pulse Output Specification ble 00 ms pulse 200p kWh 5Wh pulse Max Rating Pulse Width value varia IEC 62053 31 Transistor Output 27V d c 27 mA Default 1 Product Life Certified 20 years Temperature e e ...

Page 25: ...ype and rating must be correct for the intended application 16 2 Handling Once removed from the packaging meters must be treated with care and not subjected to excessive shock or mechanical vibration Normal care should be taken to avoid marking or scratching the meter case and polycarbonate cover 16 3 Storage If the meter is not required for immediate use it should be returned to the original pack...

Page 26: ... meter board Remove the meter terminal cover Fix a 5mm dia x 13mm long round headed wood screw into the meter board to accommodate the keyhole fixing aperture at the back of the meter Leave the shank of the screw projecting from the board by 4 5 mm Hang the meter on the screw and align it to be vertical Secure the lower end of the meter to the board using two 5mm dia x 13mm long round head screws ...

Page 27: ...t the pulse LED is illuminated or flashing Check the operation of the pulse output if fitted Carry out load checks as necessary Confirm the operation of rate select for 2 rate meters Note After an initial test period a two rate meter will only respond to a rate change if at least 10 minutes has elapsed since the meter last changed rate 18 MAINTENANCE No maintenance is necessary during the meter s ...

Page 28: ... important note 3 Non modulated 40ms pulses G PULSING ABSOLUTE OUTPUT see important note 3 overleaf No pulse or serial data output N SO pulse output tied to neutral one auxiliary terminal 2 rate only P SO pulse output floating two auxiliary terminals 1 rate only Q Absolute serial data output tied to neutral one auxiliary terminal 2 rate only not with 1107 port S Absolute serial data output floatin...

Page 29: ... Direct connected Std values 120 230V Exceptional values 100 127 200 220 240 Meters with reference currents and voltages other than the above values CANNOT be provided when the nameplate shows the IEC EN Standard Number If a valid requirement exists for meters with reference values within the acceptable ranges but not listed above specific arrangements to provide nameplates not showing the IEC EN ...

Page 30: ...Electronic Meter _____________________________________________________________________________ A100C with IrDA communications A100C with Optical IEC 62056 21 Port Figure 2 A100C Meter Elster Metering Limited M130 300 2C 5 2007 ...

Page 31: ...ng Maintenance Instructions 27 _____________________________________________________________________________________ Typical IrDA Meter Nameplate Typical FLAG Meter Nameplate Figure 3 Typical A100C Nameplates ...

Page 32: ..._____________________________________________________________ A100C Typical kWh Load Curve 10 100A Class 1 Limits 0 5 1 5 10 20 40 60 80 10 2 0 1 5 1 0 0 5 0 0 5 1 0 1 5 2 0 Current A 0 UPF 0 5 lag Figure 4 Load Curve Elster Metering Limited M130 300 2C 5 2007 ...

Page 33: ...bering 1 2 3 4 L N L N MAIN LOAD 13 20 Terminal numbers Configuration One Rate no SO 13 Two Rate 20 21 One Rate Isolated SO 20 13 Two Rate Non Isolated SO Auxiliary Terminal Configurations 20 21 1 2 3 4 20 21 20 21 1 2 3 4 20 13 20 21 1 2 3 4 20 13 1 2 3 4 20 13 21 Auxiliary Terminals SO 1 Rate 2 Rate Live in Neutral in Neutral out Live out SO 2 Rate WARNING These diagrams are for reference purpos...

Page 34: ...ingle Phase Electronic Meter _____________________________________________________________________________ 130mm 105mm 97mm 60mm 47mm Figure 6 Dimensions and Fixing Centres Elster Metering Limited M130 300 2C 5 2007 ...

Page 35: ...iod on power up Optional in display sequence for Optional in display sequence 1 or 2 hours after each power up Display 4 Display 5 Reverse kWh Reverse Energy Count Reverse Count Optional in display sequence Optional in display sequence Display Nameplate A100C EN 62053 21 2003 kWh Cl 1 1000 imp kWh 220V 50Hz 5 Wh PULSE 20 100A SJ1LABB A kWh 2004 IrDA Tx Count Reverse 1 Reverse Run 2 Power Fail kWh ...

Page 36: ...play sequence Display 4 Display 5 Display 6 kWh Active Export kWh Import Rate 2 Inactive kWh Export Cumulative kWh Export Rate 1 Active Export Optional in display sequence Display 7 Display 8 Count kWh Export Rate 2 Inactive Export Reverse Run Count Optional in display sequence Display Nameplate A100C EN 62053 21 2003 kWh Cl 1 1000 imp kWh 220V 50Hz 5 Wh PULSE 20 100A SJ1LABE A kWh 2004 Active IrD...

Page 37: ...ail Count Hours 5 1 2 3 4 Cumulative Hours in Rate 1 Cumulative Hours in Rate 2 Total Energised Hours Cumulative kWh Anti creep Hours Active 7 Active Rate is Displayed 2 rate meter only Dial Test For 1 or 2 hours after power up optional Alarm Meter Error has Occurred optional Reverse Icon 1 Rate Meter in Reverse optional Other Options Option set at manufacture Number of Digits 5 6 or 7 Decimal Poi...

Page 38: ...y All data listed at level 0 Total cumulative Active Energy Time of Use Registers Alarm indications Level 2 Correct level 2 password Read and Program All data listed in level 0 and 1 Level 3 Correct level 3 password Read and Program All operations listed in levels 0 1 and 2 Programming Setting the passwords for Levels 1 2 and 3 Protocol Timeouts Figure 8 Password Access Levels IEC 62056 21 Meter E...

Page 39: ...The IrDA output data adheres to the following format SOH 01 NULL 00 LEN NN STX 02 DATA LEN NN NN ETX 03 BCC NN SOH Start of header character hex 01 NULL Null character hex 00 LEN Data length hex 00 FF Indicates the number of bytes between ETX and STX exclusive STX Start of text character hex 02 DATA LEN Meter registration security and status data Format is defined below ETX End of text character h...

Page 40: ...h Import kWh Import Export kWh Rate 1 Reg 2 5 BCD Reserved Reserved Reserved Rate 1 Reg 3 5 BCD Reverse kWh Reverse kWh Export kWh Rate 2 Reg 1 5 BCD Import kWh Import kWh Import Export kWh Rate 2 Reg 2 5 BCD Reserved Reserved Reserved Rate 2 Reg 3 5 BCD Reverse kWh Reverse kWh Export kWh Represents 7 integer digits and 3 or 5 decimal digits of kWh Reserved 1 Binary Status Flags 1 Bit field Genera...

Page 41: ...er is powered Resets to 0 on power up Power Fail Count 2 Binary Power fail counter indicates the number of power fails Rolls over to 0 from maximum value of 65535 Incremented on power up Watchdog Count 1 Binary Total number of watchdog timer resets Does not roll over upon reaching its maximum value of 255 Incremented on power up if a watchdog timer reset was determined to have caused the MCU to ex...

Page 42: ...igh Output current low Start bit Start bit IR frame Serial output word Data bits Data bits Bit time Bit time Pulse width Pulse width 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 0 1 0 1 0 0 1 1 0 1 Encoding of Infra red and absolute serial data output pulses to represent serial word A standard serial signal may be reconstructed by triggering a monostable τ 1 baud rate seconds on receipt of each infra r...

Page 43: ...wer flow insensitive meters B2 1 Comparing a number of LED pulses with a substandard meter register advance What you will need Suitable test equipment with a sensor to detect LED pulses A suitable substandard meter A counter for counting the number of LED pulses Checking registration 1 Connect the test equipment and a suitable load to the meter then power up the meter 2 The Test LED pulses for kWh...

Page 44: ...ED B3 1 Using the Test values on the meter display Meters may be configured at time of manufacture to include special test displays for the first one or two hours each time the meter is powered up For two rate meters these test displays show the sum of the internal Rate 1 and Rate 2 registers Irrespective of the resolution of the normal register displays the test displays have 2 decimal digits of ...

Page 45: ...dard meter The method described in B3 1 is used but the register readings are taken from the PC display described in Appendix C1 1 Registration Even higher resolution is available than that shown on the meter Test displays Checking Registration 1 Connect the IrDA receiver to a suitable port on the PC 2 Open the software select registration and press Start A message Waiting IrDA data is displayed i...

Page 46: ...d to a suitable port on the PC C1 1 Running the Software 1 Open the software and press Meter Id The screen opposite is displayed 2 Press Start Waiting IrDA data is displayed in the bottom left corner of the display 3 Hold the IrDA receiver within 250mm of the IrDA transmission port for 2 seconds to allow the data to be captured Receiving data is displayed in the bottom left corner 4 Remove the rec...

Page 47: ... The register sources The current four quadrant measurement The Power factor Security The following information is displayed System Errors System Status Total time powered Time since last power up Total anti creep time Time powered in rate 1 Time powered in rate 2 Power fail count Watchdog count Reverse run count Text Output The text output gives allows the following meter data to be viewed Meter ...

Page 48: ...44 A100C BS Single Phase Electronic Meter _____________________________________________________________________________ Elster Metering Limited M130 300 2C 5 2007 ...

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Page 50: ...through its subsidiary Ipsen International it is the leading global manufacturer of high level thermochemical treatment equipment The group has over 9 000 staff and operations in 38 countries focused in North and South America Europe and Asia Elster s high quality products and systems reflect the wealth of knowledge and experience gained from over 170 years of dedication to measuring energy and sc...

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