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A1120/1140 Programmable Polyphase Meter Users Manual

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Elster Metering Ltd - M181 001 3C - 12/2007

Summary of Contents for A1120

Page 1: ... Programmable Electronic Polyphase Meter Users Manual Options CT or Direct Connected Serial Communications Load Profiling Read Without Power SO Pulse Output English or OBIS Display Descriptors M181 001 1 6 2010 ...

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Page 3: ...A1120 40 Programmable Electronic Polyphase Meter Chapter 1 Introduction M181 001 1B 5 2009 ...

Page 4: ...Minor Change Record Date Modification 7 5 2009 Format change ...

Page 5: ...1120 40 001 Manual variation 1 Chapter number A Issue Sections and their Contents The contents of the manual are divided into the following Chapters Chapter 1 Introduction M181 001 1 Chapter 1 contains a general description of the manual itself Chapter 2 Operating Maintenance Instructions M181 001 2 Chapter 2 contains general information on the A1120 40 meter including configuration and installati...

Page 6: ...2 A1120 40 Operating Maintenance Instructions Chapter 1 ___________________________________________________________________________ ...

Page 7: ...A1120 40 Programmable Polyphase Meter Chapter 2 Operating Maintenance Instructions M181 001 2G 5 2010 ...

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Page 9: ...10 1 1 kWh 13 10 1 2 kvarh 13 10 1 3 kVAh 13 10 1 4 Customer Defined Registers 14 11 TARIFF STRUCTURE 14 11 1 TIME OF USE REGISTERS 15 11 2 DEMAND REGISTERS 15 11 2 1 TOU Maximum Demand Registers 15 11 3 SWITCHING TIMES 16 11 4 SEASONS AND CHANGE OF SEASON DATES 16 11 5 EXCLUSION DATES 16 11 6 END OF BILLING EOB 17 11 7 DAYLIGHT SAVINGS 18 11 8 INDEPENDENT DAY CONTROL 18 11 9 DEFERRED TARIFF AND D...

Page 10: ... 26 14 4 Displayable Data 27 15 USING THE PUSHBUTTONS 28 16 COMMUNICATIONS 28 16 1 OPTICAL COMMUNICATIONS PORT 28 16 2 OPTIONAL RS232 PORT 29 16 2 1 Modem Power Supply 29 16 2 2 Resetting the Power Supply 29 16 3 DATA STREAM MODE 29 17 PROGRAMMING THE METER 30 18 REAL TIME CLOCK AND CALENDAR 30 19 BATTERY BACK UP 31 19 1 INTERNAL BATTERY 31 19 1 1 INTERNAL BATTERY MONITORING 31 20 MODULE BATTERY C...

Page 11: ...RE 7 A1120 40 DISPLAYS 49 FIGURE 7 A1120 40 DISPLAYS CONTINUED 50 FIGURE 8 DISPLAY TABLE 51 FIGURE 8 DISPLAY TABLE CONTINUED 52 FIGURE 8 DISPLAY TABLE CONTINUED 53 FIGURE 8 DISPLAY TABLE INSTRUMENTATION 54 FIGURE 9 PASSWORD ACCESS LEVELS 55 APPENDIX A CHECKING KWH AND KVARH REGISTRATION ACCURACY 56 A1 INTRODUCTION 56 A2 CHECKING METER ACCURACY USING THE LED TEST INDICATOR 56 A2 1 COMPARING THE NUM...

Page 12: ... Metering Limited M181 001 2G 5 2010 APPENDIX C RS485 MULTI DROP MODE 59 APPENDIX D EXTERNAL BATTERY MODULE 60 D1 EXTERNAL BATTERY MODULE 60 EXTERNAL BATTERY STATUS 60 USING THE EXTERNAL BATTERY FACILITY DURING POWER OUTAGES 60 D2 INSTALLATION 61 ...

Page 13: ...lfare 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 condition In the UK employers have duties u...

Page 14: ...itions However it must never be recharged disassembled heated above 100 C incinerated or have the contents exposed to water Fire explosion or severe burns may result if these instructions are disregarded In the interests of safety environmental protection and possible legislation Lithium batteries require careful disposal Before arranging for the disposal of these cells users should satisfy themse...

Page 15: ...rements of IEC 62056 61 The degree of ingress protection is to IP53 IEC 60529 1989 The meter complies with DIN 43857 Part 2 and Part 4 dimensional requirements except for the top fixing centres The meter complies with the essential requirements of the EC Directive 2004 22 EC on Measuring Instruments MID The meter complies with the general requirements and particular requirements of EN 50470 Parts ...

Page 16: ... any like unit registers Instrumentation quantities to aid installation can be included in the display sequence Firmware Version C allows 12 External Registers to display data from an external source such as a gas or water meter The registers are written to by an intelligent source via the RS232 port The meter offers extensive security data which includes a programming log with user ID Further sec...

Page 17: ...ock and calendar with battery back up 15 years product life Comprehensive security data Display of external register information Compact design DIN BS double insulated glass filled polycarbonate case IP53 in accordance with IEC 60529 1989 Options RS 232 serial communications Load profiling A1140 Module battery carrier SO EN 62053 31 or relay pulsed output Terminal cover removal detection switch Ma...

Page 18: ...connected or CT 3 element 3 phase 4 wire or 2 element 3 phase 3 wire applications and have the following connection capability Number of Elements Connection capability 3 3 phase 4 wire 2 phases of 3 phase 4 wire 2 phase 3 wire 1 phase 3 wire 1 phase 2 wire 2 3 phase 3 wire Connections available for Class 0 5s CT operated variant 6 4 Terminal Arrangements Current Terminals 8 2mm diameter bore 2 x M...

Page 19: ...over is moulded in tinted clear polycarbonate Figure 6 illustrates the outline and fixing dimensions The main cover is secured by two sealable screws Two separate sealable screws secure the terminal cover The terminal cover plate protects the meter main terminals An optional main cover prevents access to the voltage disconnect links See Figure 5 A holder for a module battery that attaches to the b...

Page 20: ...ort meter with Power Flow Insensitive enabled The LED pulses for forward and reverse system energy Import meter with Theft Resistant measurement enabled The pulsing LED reflects theft resistant measurement Import export meter The LED pulses for import and export energy See Section 25 Technical Data for LED specification Anti creep The Wh and varh anti creep threshold is set at manufacture to a val...

Page 21: ...n of registration is 1mvarh kvarh is derived using the phase shift method Note The diagram shows a representation of the quadrants The active quadrant can be shown on the display 10 1 3 kVAh kVAh is derived from the measured kWh and kvarh values The calculation uses the formula kVAh kWh 2 kvarh 2 There are two kVAh registers These can each be configured to accept pulses from any combination of qua...

Page 22: ...xamples of their use are CD Register 1 Total kWh kWh import kWh export Total kWh CD Register 2 Total Import kvarh Q1 Q2 Total Import kvarh The contents of the Customer Defined Registers can be viewed on the display 11 TARIFF STRUCTURE The tariff structure repeats year on year and comprises the following features 8 Time of use TOU registers 4 Maximum demand registers 48 Switching times 12 Seasons 2...

Page 23: ...tegration period used for the demand registers is the same as the load profile integration period During any period the rising demand value is calculated by measuring the energy consumed to a point in a period then scaling the measured value by a factor equal to the ratio of the demand period to a total hour interval Rising Demand Energy recorded in current period x 60 p minutes in demand period T...

Page 24: ... be specified and at least one Season must be programmed for the TOU registers to be available Each Season is activated by one or more Change of Season Dates Up to 24 Change of Season Dates are available each date specifying the start of a new Season These may refer to a different Season or the same Season may be used more than once in a year The old Season ends at the instant the new Season start...

Page 25: ... On command via the serial port where fitted When a CT ratio programming event occurs When the internal battery has failed at power up When a snapshot of meter data is required to allow a bill to be prepared reflecting consumption to a specified date the End of Billing feature should be used See Section 13 3 for a description of the data captured A programmed Automatic End of Billing occurs at mid...

Page 26: ...shbutton or communications setting not programmed End of billing events 11 7 Daylight Savings The meter provides 2 Daylight Savings dates whereby the clock can be advanced by one or two hours at the start of the summer and can be retarded by one or two hours at the end of the summer The day on which a Daylight Saving occurs is programmable with the choice of the first second third fourth or last s...

Page 27: ...emotely that the correct tariff display scheme resides within the meter 12 EXTERNAL REGISTERS FIRMWARE VERSION C ONLY Firmware Version C of the A1120 40 has 12 External Registers that can be used to display data from an external source such as a gas or water meter The registers are accessed via an intelligent source such as a modem and can be viewed on the A1120 40 meter display The registers are ...

Page 28: ...at the factory before the meter is sealed 13 1 Data Retention All cumulative register and time of use data is saved to non volatile memory every time the power to the meter fails and also every 2 hours The data is recovered when power is restored to the meter All data is retained for the nominal life of the meter 13 2 Recordable Security Features The following security features are available and c...

Page 29: ...cumulative number of power downs to a maximum of 65 535 is recorded The register will then roll over to 0 A time and date stamp of the three most recent events is recorded The count and time and date stamps can be included in the display sequence 13 2 4 End of Billing Event A count of the number of end of billing events to a maximum of 65 535 is recorded The register will then roll over to 0 Time ...

Page 30: ... and date stamps can be included in the display sequence 13 2 8 In Service Hours The elapsed time counter records the cumulative time to a resolution of 1 hour the meter has been powered up The count can be included in the display sequence The amount of storage is in excess of 25 years 13 2 9 Meter Errors An alarm can be displayed if an error occurs The alarm and error message See Figure 8 Display...

Page 31: ...the following data is stored to historical registers Meter Data Cumulative Registers TOU Registers TOU MD Registers There are 15 sets of historical registers Event Data Reverse running count last 3 time and date stamps Billing events count last 3 time and date stamps Power failures count last 3 time and date stamps Meter errors last 3 time and date stamps of non fatal errors Watchdog resets count ...

Page 32: ...n Alarm Multiplier X10 X100 Units of Quantity M k W V A r h Measurement Register Time Date Security Data 14 2 General Display Resolution The resolution of the display can be set at manufacture to 7 6 or 5 digits The decimal point indicator can be configured to be a point or a comma and set to 0 1 or 2 places kWh Wh mWh Internal storage is 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 The display is a window of ...

Page 33: ...then sequence through the programmed displays remaining on each display item for one step duration time called the Auto cycle step duration 2 30 seconds 3 seconds Next display 2 30 seconds Step Step mode is entered by a single press of the Display Pushbutton The first display in the autocycle sequence is displayed Further presses of the pushbutton allow the consumer to step through the autocycle d...

Page 34: ...in pressed Short press Reset Pushbutton Press Display Pushbutton Next display 14 3 3 English Display Chevrons Identifiers The chevrons on the display have the following meaning Identifiers Description 1 2 3 4 5 6 7 Import Security Export The display identifiers give a description of the main register displayed Examples of the display are shown in Figures 7 A full list of displays is given in Figur...

Page 35: ...isplay can be configured to 0 1 2 3 or 4 decimal places Note If the display is configured for Wh with no multiplier set the maximum resolution of the display is 3 decimal places The meter will cease using dial test resolution when instructed by the Power Master Unit or after a programmable number of power cycles Display Indicators System Reverse Run Indicator Phase Failure Indication Per Phase Rev...

Page 36: ...lling reset pushbutton can be disabled by using the Power Master Unit As a further option a message that a billing reset has been initiated can be displayed External Battery Support Optional Pressing either pushbutton allows the displays to be read and optical communications to be established during power outages See Appendix D 16 COMMUNICATIONS Communications with an A1120 40 can be established v...

Page 37: ...ting the Power Supply If a modem is installed which draws too much power from the meter a transient reset occurs and the modem power supply is disabled to prevent continuous resetting of the meter On early versions of A1120 40 meter only the RS232 port may also be disabled The power supply and RS232 port on early versions of the meter can be re enabled using the PMU via the IEC 1107 port or by usi...

Page 38: ...n 00 00 to 23 59 The calendar automatically caters for leap years Note For time stamps 00 00 indicates the start of the day and 24 00 the end of the day The time base for the clock is a programmable option It can be derived from either the a c supply frequency or from a crystal controlled oscillator When the clock is synchronised to the mains frequency it maintains synchronisation for variations o...

Page 39: ...e and continue to use the TOU registers See Section 29 for battery disposal 19 1 1 Internal Battery Monitoring The battery provides support for the life of the meter The following functions are provided on the Battery Monitor Elapsed Time The total amount of battery support time is monitored The elapsed time counter decrements to represent the use shelf life of the battery Remaining Time The remai...

Page 40: ...t at manufacture to one of the following options SO output floating customer configurable pulse duration value SO output floating replicating the kWh LED SO output floating replicating the kvarh LED 100mA relay output floating customer configurable pulse duration value 100mA relay output floating replicating the kWh LED 100mA relay output floating replicating the kvarh LED 300mA relay output float...

Page 41: ...configured as follows Pulse value 1 2 4 5 10 20 40 50 100 200 250 Pulse width ms 10 20 30 40 50 60 80 100 120 160 200 250 High Impedance Low Impedance Energy Pulse consumed value Pulse width Caution Care should be taken in selecting the combination of pulse width and pulses unit Avoid combinations that may give insufficient spacing between pulses at maximum load To ensure correct operation a maxim...

Page 42: ...ILE RECORDING A1140 4 Demand Values kW kvar kVA Customer Defined Demand Period End Typical Load Profile Recording Readings Readings Power Master Unit Proprietary Software Channels Days 1 300 2 300 3 265 4 205 30 minute integration period The A1140 can be programmed to record up to four values from any of the rising demand registers at the end of each integration period Up to 300 days of 30 minute ...

Page 43: ...stored data Using Data Stream Mode 9600 baud rate 90 days of single channel 30 minute demand period data can be read in less than 30 seconds Two methods of reading load profile data are provided Number of day s data up to and including the current day From day x up to and including day y Load profiles can be transferred to the Power Master Unit and viewed in Readings 24 INSTRUMENTATION The A1120 4...

Page 44: ...Output Specification SO Output 12 kV isolation 100mA Relay Output 12 kV isolation 300mA Relay Output 12 kV isolation 27V d c 27 mA IEC 62053 31 Transistor Output 230V a c or d c 100mA 230V a c 300mA Product Life Certified Life 15 years 10 years Temperature Humidity Operational range 25 C to 65 C Storage Range 25 C to 85 C Condensing See note below Annual Mean 75 95 for 30 days spread over one year...

Page 45: ...treated with care and not subjected to excessive shock or mechanical vibration Care should be taken to avoid marking or scratching the meter case and polycarbonate cover 26 3 Storage If the meter is not required for immediate use it should be returned to the original packing including plastic bag and stored in a clean dry environment Storage temperature 25 C to 85 C 26 4 Installation Site The inst...

Page 46: ...nded Meters must be protected by fuses equal to the meter rating i e 100A fuse for a 100A meter Failure to do so may result in damage or fire Connections to the auxiliary voltage terminals will only be protected by the installation s main fuse cut out The installer must ensure that additional local protection is provided for any circuits connected to these terminals Refer to the connection diagram...

Page 47: ...attery for read without power is installed in the module housing the battery must be connected before mains supplies are energised It is also recommended that connections to the meter s RJ11 connector are made with the meter supplies isolated 27 COMMISSIONING WARNING Commissioning must only be carried out by appropriately trained and qualified personnel Check that the supply rating on the meter na...

Page 48: ...be disassembled heated above 100 C incinerated nor have the contents exposed to water Fire explosion or severe burns may result if these instructions are disregarded In the interests of safety environmental protection and possible legislation Lithium batteries require careful disposal Before arranging for the disposal of these cells users should satisfy themselves that the proposed means of dispos...

Page 49: ... K Import kWh Q1 Q2 Q3 Q4 kvarh and Imp kVAh Power Flow Insensitive L Import kWh only Theft Resistant Measurement R Import kWh Q1 and Q4 kvarh Theft Resistant Measurement S Import kWh Q1 Q2 Q3 Q4 kvarh and Imp kVAh Theft Resistant Measurement T TARIFFS A1120 Multi Rate B A1140 Multi Rate with load profile C A1120 Multi Rate with password protected register zeroing and zero level time shift D A1140...

Page 50: ... 5 7 5A or 5 10A 1 10A suitable for use with any of the above 6 ratings EN 50470 1 MID defines basic values or Itr from which Imin Iref and Imax can be derived Basic values of Itr Direct Connected 0 5 1 1 5 2A Basic values of Itr CT Operated 0 05 0 1 0 25 Imin Iref and Imax have been chosen so that the following relationships are met Direct Connected Class A Imin 0 5 x Itr Iref 10 x Itr Imax 50 x ...

Page 51: ...rh pulse LED 4 kWh pulse LED 1 Reset Pushbutton See Section 15 2 Display Pushbutton See Section 15 3 kvarh Pulse Indicator See Section 9 4 kWh Pulse Indicator See Section 9 5 Display See Section 14 6 Nameplate See Figure 3 7 IEC 62056 21 Port See Section 16 Module Carrier Fits under the terminal cover Figure 2 A1120 40 Meter ...

Page 52: ...44 A1120 40 Electronic Polyphase Meter Elster Metering Limited M181 001 2G 5 2010 Figure 3 Typical Nameplate ...

Page 53: ...Operating Maintenance Instructions 45 Figure 4 Load Curves ...

Page 54: ... Auxiliary Terminals RJ 11 RJ 11 and Auxiliary Terminals Auxiliary Terminals RJ11 Socket 6 5 4 3 2 1 Terminal RJ11 Numbering Terminal RJ11 1 2 3 Element 1 Line in Voltage terminal Line out 4 5 6 Element 2 Line In Voltage Terminal Line Out 1 2 3 4 5 6 Rx Input Tx Output Rx Input No Connection Zero Volts Modem Power Supply Output 7 8 9 Element 3 Line In Voltage Terminal Line Out 10 12 Neutral In Neu...

Page 55: ...x 0V V 3 phase 4 wire CT operated TO LOAD A B N C 20 21 A B C JL 3013 311B LM3 Rx Tx 0V V 3 phase 4 wire Direct connected Note These diagrams are examples only WARNING Meters must be connected according to the diagram fitted under the meter terminal cover Figure 5A Terminal Configurations ...

Page 56: ...lectronic Polyphase Meter Elster Metering Limited M181 001 2G 5 2010 Back View Side View 171 5mm 49mm 139mm 121mm 233mm 150mm 110mm Terminal Cover with Cut out Short Terminal Cover Figure 6 Dimensions Fixing Centres ...

Page 57: ...uctions 49 English Displays OBIS Displays Segment Test Cumulative Customer Defined 1 2 Rising Demand Export Maximum Demand 1 4 Maximum Demand 1 4 Date Time Cumulative Maximum Demand 1 4 Time of Use 1 8 Figure 7 A1120 40 Displays ...

Page 58: ...ical Security Reverse Run Event Count Instrumentation Phase A Voltage Dial Test Communications Indicators Optical Remote RS232 End of Billing Change of Season End of Billing Internal Battery Fail Error Power Fail Data Error Internal Battery Fail CT Scalar CT Ratio External Registers Figure 7 A1120 40 Displays continued ...

Page 59: ... 2 1 4 CUM MAX DEM 1 4 kVA 2 kVA E 2 1 4 CUM MAX DEM 1 4 1 4 CD 1 A 2 1 4 CUM MAX DEM 1 4 1 4 CD 2 B 2 1 4 CUM MAX DEM 1 4 Maximum Demand 1 4 1 4 Import kW kW 1 6 1 4 MAX DEM 1 4 1 4 Import Time 1 6 1 4 MAX DEM 1 4 1 4 Import Date 1 6 1 4 MAX DEM 1 4 1 4 Export kW kW 2 6 1 4 MAX DEM 1 4 1 4 Export Time 2 6 1 4 MAX DEM 1 4 1 4 Export Date 2 6 1 4 MAX DEM 1 4 1 4 Q1 kvar kvar 5 6 1 4 MAX DEM 1 4 1 4...

Page 60: ...Fail Event Count C 7 0 4 4 Power Fail Event Time C 7 0 4 4 Power Fail Event Date C 7 0 4 4 Rev Run Event Count C 53 0 4 5 Rev Run Event Time C 53 0 4 5 Rev Run Event Date C 53 0 4 5 End Billing Count 0 1 0 4 7 End Billing Time 0 9 6 4 7 End Billing Date 0 9 7 4 7 Main Cov RemCount C 70 0 4 8 Main Cov Remove Time C 70 0 4 8 Main Cov Remove Date C 70 0 4 8 Term Cov Rem Count C 71 0 4 9 Term Cov Remo...

Page 61: ...1 4 1 4 kVA 2 Date E 6 1 4 1 MAX DEM H1 1 4 1 4 CD 1 A 6 1 4 1 MAX DEM H1 1 4 1 4 CD 1 Time A 6 1 4 1 MAX DEM H1 1 4 1 4 CD 1 Date A 6 1 4 1 MAX DEM H1 1 4 1 4 CD 2 B 6 1 4 1 MAX DEM H1 1 4 1 4 CD 2 Time B 6 1 4 1 MAX DEM H1 1 4 1 4 CD 2 Date B 6 1 4 1 MAX DEM H1 1 4 Historical Registers CUM MD 1 4 Import kW kW 1 2 1 4 1 CUM MAX DEM H1 1 4 CUM MD 1 4 Export kW kW 2 2 1 4 1 CUM MAX DEM H1 1 4 CUM M...

Page 62: ... kW 21 7 0 Ins A Watts Phase B kW 41 7 0 Ins B Watts Phase C kW 61 7 0 Ins C Watts Phase System Import kW 1 7 0 Ins Watts Phase System Export kW 2 7 0 Ins Phase Angle Phase A 81 7 4 Ins A Phase Angle Phase B 81 7 15 Ins B Phase Angle Phase C 81 7 26 Ins C Phase Rotation C 90 0 Ins Power Factor Phase A 33 7 0 Ins A Power Factor Phase B 53 7 0 Ins B Power Factor Phase C 73 7 0 Ins C PF Phase System ...

Page 63: ...tal cumulative VA Maximum Demand Registers MD Time of Use Registers Measurement transformer ratios Measurement transformer error factor Alarm indications Level 2 Correct level 2 password Read and Program All data listed in level 0 and 1 Correction to the time and date End of Billing Time set Level 3 Correct level 3 password Read and Program All operations listed in levels 0 1 and 2 Programming Set...

Page 64: ...Comparing the number of LED pulses with substandard meter register advance What you will need Suitable test equipment with a sensor to detect LED pulses A suitable substandard meter set to the same system configuration as the meter under test A counter for counting the number of LED pulses Checking registration In order to achieve a repeatability of 0 1 the test time at any load needs to be a mini...

Page 65: ...he meter display Meters may be set to show cumulative kWh and kvarh registers with increased resolution by using Power master Unit instructions via the optical or RS232 port Dial test displays can be programmed to 0 1 2 3 or 4 decimal places Import The display resolution will revert to normal when a further appropriate instruction Setting power down count to zero is received or after a programmabl...

Page 66: ...he RJ11 port of the first meter in the multi drop chain 4 Connect an RS232 cable from the PC to the first port of the RJ11 as shown below 5 Connect a Flat Pin Cable to the second port of the RJ11 adaptor 6 Replace the terminal cover and fit appropriate seals 7 Connect a two way RJ11 adaptor to the RJ11 port of the second meter in the multi drop chain 8 Connect the flat pin cable from the first met...

Page 67: ...ay RJ11 adaptors will be required to link each meter in the chain Amplicon Amplicon Amplicon 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 25 way D type 25 way D type 25 way D type VDC 7 4 2 3 VDC 7 4 2 3 6 5 4 3 2 1 6 5 4 3 2 1 RJ11 RJ11 White White Black Black Yellow Yellow Blue Blue Next Meter 1 2 3 B 4 A 5 A1 6 B1 7 VCD 8 Gnd Gnd V PC Standard 9 25 Way Lead ...

Page 68: ...ters are ordered External Battery Status The battery voltage is monitored to detect if it has failed A new battery install date can be programmed and can be read back from the meter Using the External Battery Facility during Power Outages The External Battery facility will only operate when power has been removed from the meter The module is energised by pressing the display pushbutton Once the mo...

Page 69: ...odify the assembly or open the module housing A replacement assembly must be used if the battery becomes exhausted Failure to follow these instructions may result in electric shock or death Installing the Module 1 Read the Warnings above 2 Remove the meter terminal cover 3 If the terminal cover plate is not in place do not attempt to install the module unless all supplies to the meter have been is...

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Page 72: ...120 40 Programmable Electronic Polyphase Meter Chapter 4 Communications M181 001 4A 5 2007 DRAFT Other Manuals in this Series A1120 40 Operating Maintenance M181 001 2 A1120 40 Software Support M181 001 4 ...

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Page 74: ...delines for Compliance with EMC Directive 5 3 GSM MODEMS GENERAL INFORMATION 6 4 TECHNOLOG GSM MODEM 8 4 1 RS232 Multi drop Mode 9 4 1 1 RS232 Multi drop Installation Procedure 9 4 2 RS 485 Multi drop Mode 10 4 2 1 RS485 Multi drop Mode Installation Procedure 10 4 2 2 Amplicon Model RS485 Line Driver 11 4 3 Configuring the Technolog Modem 11 5 ASL A1120 40 GSM MODEM 13 Elster Metering Limited M181...

Page 75: ...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 condition In the UK...

Page 76: ...eter must be isolated before a module or module peripheral equipment is installed or removed Failure to do so may result in electric shock or death When installing or removing a module be aware that multi drop terminals may be energised from other A1120 meters Caution Installation of a faulty module or module peripheral equipment may affect the main meter functionality 2 1 Handling CAUTION Observe...

Page 77: ...t static watt hour meters for active energy Class 1 and 2 EN 50081 1 1992 Electromagnetic compatibility generic emission standard Part 1 Residential Commercial and Light Industry EN 50082 1 1992 Electromagnetic compatibility generic immunity standard Part 1 Residential Commercial and Light Industry EN 60687 1992 Alternating current static watt hour meters for active energy Class 0 2s and 0 5s The ...

Page 78: ...s separated by a minimum of 50mm where ever possible 2 Where a c and d c circuits cross they must do so at right angles to each other 3 The cables for each circuit must be bunched together to minimise the loop area enclosed 4 Where the environment is electrically hostile screened twisted pair cables may be required The screen must be connected to earth at one point only 5 Ancillary equipment must ...

Page 79: ...he by the Network Service Provider O2 Orange Vodafone etc with the following settings Data enabled Air baud rate 1200 9600 the SIM baud rate must be configured to match the meter serial port baud rate Transparent no error correction or non transparent error correction The preferred settings for the A1120 are 9600 baud non transparent SIM security pin disable It is a requirement that the SIM Card P...

Page 80: ...ed vertically in a position where it is possible to receive good mobile phone reception from your Service Provider Signal strength may be tested by using the monitor on a mobile telephone providing the mobile uses the same service provider as the SIM in the GSM It is recommended that the antenna is mounted at least 1 metre from the installation ...

Page 81: ...n automatic reset is initiated to unlock a locked modem Connecting the Modem in Multi drop Mode Up to 10 meters RS232 or 32 meters RS485 can be connected in multi drop mode For RS232 connection see Section 4 1 For RS485 connection see Section 4 2 What You Will Need Equipment Description GSM Modem Technolog or ASL SIM Card Supplied by Service Provider Antenna and Cable To suit application Midi Mag ...

Page 82: ... If the terminal cover plate is not in place switch off all supplies to the meter 3 Connect a two way RJ11 adaptor to the RJ11 port of the first meter in the multi drop chain 4 Connect the modem to the first port of the adaptor 5 Connect a Flat Pin Cable to the second port of the RJ11 adaptor 6 Replace the terminal cover and fit appropriate seals 7 Connect a two way RJ11 adaptor to the RJ11 port o...

Page 83: ... and EMC Guidelines in Section 2 2 Remove the terminal cover of the first A1120 40 meter in the multi drop chain 3 Check that the terminal cover plate is in place If the terminal cover plate is not in place switch off all supplies to the meter 4 Connect a two way RJ11 adaptor to the RJ11 port of the first meter in the multi drop chain 5 Connect the modem to the first port of the adaptor 6 Using a ...

Page 84: ... This configuration allows transmission over longer distances of up to 1 2km 4 3 Configuring the Technolog Modem The Technolog modem communications parameters can be configured using an SMS text message via a mobile phone The initial settings will depend on whether the meter is configured for a Standard Data to Read or Data Stream Mode Standard Data to Read Mode Data Stream Mode Enter Bits Per Sec...

Page 85: ...odem Settings Set up an SMS text message on your mobile phone as follows ZT1xyz Where x is the baud rate 0 1200 1 2400 2 4800 3 9600 Where y is the parity 0 Even 1 Odd 2 None Where z is the data bits 0 7 1 8 Send the text message to the data number of the SIM Card Elster Metering Limited M181 001 4A 5 2007 DRAFT ...

Page 86: ...remote antenna RS232 RS485 multi drop option Modem Installation The modem connects to the meter in exactly the same way as the Technolog modem by using standard At Hayes commands The ASL modem communications parameters can be configured using an SMS text message via a mobile phone The initial settings will depend on whether the meter is configured for a Standard Data to Read or Data Stream Mode St...

Page 87: ...he power Modem Settings for ASL GSM Modem Type the following commands to configure the modem ATQ0 ENTER Quite mode off ATE1 Echo on AT C1 Indicates remote carrier AT D0 Ignore DTR ATS0 1 Answer after 1 ring ATS10 50 Comms timeout AT CBST 7 0 1 These settings should be set by your service provider Speed Name Connection Element AT 0 Speed 9600 N81 AT 1 9600 E71 AT 2 4800 N81 AT 3 4800 E71 AT 5 2400 ...

Page 88: ...us LED s Modem Status Green LED Slow flash once every 3 seconds CDS mode waiting for call Fast flash twice a second during call Network status Red LED Off module off On Not registered Long pauses short blinks Registered with network Signal strength Yellow LED Off Slow flash On with increasing signal levels The more on time the better the signal ...

Page 89: ...16 A1120 40 Users Manual Chapter 3 __________________________________________________________________________ Elster Metering Limited M181 001 4A 5 2007 DRAFT ...

Page 90: ...40 Programmable Electronic Polyphase Meter Chapter 3 Software Support M181 001 3C 12 2007 Other Manuals in this Series A1120 40 Operating Maintenance Instructions M181 001 2 A1120 40 Communications M181 001 4 ...

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Page 92: ... SCHEME EDITOR 11 3 1 SELECTING THE METER TYPE 11 3 2 SCHEME EDITOR 11 3 3 STARTING A NEW SCHEME 12 3 4 SCHEME EDITOR 12 3 4 1 SUMMARY 13 3 4 2 METER IDENTIFIERS 13 3 4 3 PASSWORDS 13 Password Security 13 3 4 4 TARIFF DISPLAY 14 Register Sources 14 Define Seasons 15 Season Changeover Dates 16 Exclusion Dates 16 Default Display 17 Utility Display 18 Checksum 18 3 4 5 DEFERRED TARIFF DISPLAY 18 3 4 ...

Page 93: ...ng Passwords 37 Defining a New User 38 File Locations 39 Meter Connection Setup 39 Communications Server Setup 39 Communications Server Log 41 Back up Database 41 Time Set Mode 41 COMMUNICATIONS 43 8 1 COMMUNICATIONS METHODS 43 Connections 43 8 2 SENDING A SCHEME TO METER 45 Execute Meter List 45 Quick Send Scheme 45 8 3 COMMUNICATIONS SERVER 45 Introduction 45 8 4 MAIN MENU 46 File 46 8 5 VIEWING...

Page 94: ... A140 single phase meter see Manual M130 001 3 For programming meters it is strongly recommended that only one meter variant is selected at a time If more than one type of meter is selected and a Scheme is created scheme parameters applicable to the lowest specification of meter only will be programmed to the meter A1120 40 Meter Variants A1120 40 Versions LM A Times always show UTC GMT LM C Times...

Page 95: ...teraction between an application and the resources of the computer Wherever possible it is recommended that the Power Master Unit machine is set to single application single user mode with all local permissions etc set Operating recommendation It is recommended that the Master Unit is operated using a mouse Portable computers should use an external mouse fitted to the mouse port The Power Master U...

Page 96: ...lected 1 New Installation 2 Upgrade PMU 16 bit PMU 32 bit 3 Upgrade PMU 32 bit later version 32 bit Select your option and click Next to continue Note If New Installation is selected and a 16 or 32 bit version of the Master Unit is already installed on your PC a warning will be displayed to select an upgrade option or completely uninstall the Master Unit Choose Destination The Power Master Unit wi...

Page 97: ...xt to continue Note For an upgrade it is recommended all installation options are selected and Use copy of existing database Flag Probe Selection Various probes can be used to communicate with meters via the optical FLAG communications port These probes are one of two basic types Probe with DTR disabled Probe with DTR enabled It is important to choose the correct probe for your installation as opt...

Page 98: ...hen you have chosen the folder Click Next to continue Start Copying Files Before the files are copied to your PC a summary of the files you have selected to install is displayed Before continuing check they are the options you require Click Next to continue Installation Complete The files are copied to your PC Click Finish Note 1 The Power Master Unit must have a printer attached for correct insta...

Page 99: ...ana ger Meter Information Editor Connection Comms Type Elements Relays Load Profile Communication OS Telephone Number Identifiers Utility Codes Passwords Quick Send Meter List Meter Schemes Execute Meter List Examine Meter Readings Register Values Historical Registers Load Profile Data Instrumentation Profile Data Security Data Hardware Configuration Meter Identifiers Passwords Tariff Deferred Tar...

Page 100: ... meters see manual M130 001 3 The key features of the Master Unit software are Menu driven using Microsoft Windows based operating software to guide the user through the process of setting up a meter for any particular application Programming structure to ensure that if an attempt is made to program a feature that is not present in a meter erroneous data cannot be programmed All other features are...

Page 101: ...er Name and enter the password The system enters the Master Unit main menu The default password is User Name Elster Password Elster Note Administrator access is for certifying or building meters only For details of Administrator access contact Elster Metering Systems 1 4 Features of the Main Master Unit Window When the software is first entered the Main window is displayed The Window is divided in...

Page 102: ...en to show further folders Dragging and dropping objects or folders Valid objects or folders can be moved from the Meter manager or Scheme manager to the Meter list using drag and drop techniques Meter Manager Meters B9918293 B9618294 B9918293 Meter List Drag Drop Use of the rightmost mouse button Point to an object in the Scheme manager and click the rightmost mouse button A menu appears 1 5 The ...

Page 103: ...rrent user Exit Quits the Master Unit Edit Cut Remove a highlighted object and insert it on the clipboard then use the paste facility to paste it in a folder Paste Paste a cut object from the clipboard to the selected Manager Rename Rename a highlighted object Delete Delete a highlighted object For the Scheme manager and Meter manager the object is inserted into the Trash can Tools Delete RES File...

Page 104: ... If the Master Unit is networked or a low specification PC is being used leave this option unchecked for faster Master Unit response Check as required to update the readings using the Automatically scan for readings facility Passwords in Meters This option allows the passwords of A1120 40 meters to be ignored Default Passwords This option allows the default passwords to be entered and used as defa...

Page 105: ...d Time Set Mode Allows a meter s time to be set automatically to the system time or to a predetermined time Language Allows a language choice to be selected for the strings resources The Master Unit is then restarted and the new language strings are implemented Window Show Communications Failures Window Allows all communications failures to be viewed or saved Saved files may be kept as a record fo...

Page 106: ...d the contents of the panel cannot be altered The meter functionality or data will remain unchanged If the box is checked the panel becomes operable and the meter functionality or data can be changed Using the Toolbar Restore Scheme The toolbar allows special tasks to be performed by simply pressing the required toolbar button By laying the cursor over a button the button name is displayed About H...

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Page 108: ...eadings obtained from a meter after the Data transfer of a Scheme incorporating a Read The Readings can include all Scheme data Diagnostic data Load profile data and Status reports Data Stream Mode allows fast reading of Register Readings Historical Data and Load Profile Data Old Master Unit Not applicable to A1120 40 meters Import This option allows any valid Power Master Unit file to be imported...

Page 109: ...etering Ltd M181 001 3C 12 2007 2 3 Scheme Manager Once a component of the Scheme manager has been selected a Context Menu with the options shown opposite becomes available Select A1120 40 scheme Options obey standard Windows conventions and are viewed by pointing at the right pane of the Scheme manager then right clicking the mouse ...

Page 110: ...e to the lowest specification of meter only will be available for selection To Select meter compatibility Select compatibility A1120 in the Scheme Editor then select meter variant If Save as Default is checked the selection will be saved and used as the default when the Power Master Unit is powered up and new schemes are created 3 2 Scheme Editor As an entry is made to a Scheme the entry in the Su...

Page 111: ...the meter Print Sets up the properties for the system printer and allows all pages of the current scheme to be printed 3 3 Starting a New Scheme To enter a scheme from the Main Window select File New A1120 40 scheme or right click the mouse in the right pane of the Scheme manager and select New A1120 40 Scheme To Enter a Scheme In the Main Window select the File New A1120 40 Scheme option A Scheme...

Page 112: ...strator can change the meter Serial Number 3 4 3 Passwords Password Security Three levels of Password Security protect the A1120 40 meter For information on the levels of security see the A1120 40 meter hardware manual M181 001 2 Each level of password consists of eight characters The Passwords are right padded with dashes This dialog is used to change the meter password security The password to c...

Page 113: ...Defined Registers Source Dropdown List The source of each of the Rate Registers and MD Registers must be defined To Select Rate Sources Double click source for the required rate to reveal the dropdown list then select the required source from the list by hitting return Customer Defined Registers Two Customer Defined CD Registers can be used throughout for tariff scheme cumulative load profile data...

Page 114: ... on Monday to reveal the dropdown list then select New Day Click on the Add Rate button The Rate Source clock is displayed Place the cursor on the leading edge of the active time a double arrow will be displayed then drag to the start time for the Rate Repeat for the end time of the rate Alternatively time may be entered directly on the right hand side Click on the Add Rate button and repeat for a...

Page 115: ...eason end date To enter a variable date Check Enable Advanced Season Editing then select the Season From the Season Change Editor select Last Monday in April Selecting Next starts on Last Sunday in September Select OK Note February 29 will only be activated on leap years even if selected otherwise the February 28 will be used The calendar can be viewed by day or by month by selecting the appropria...

Page 116: ...ion date to be applied on a selected day of the week on or after the specified date e g set 1st Monday after April 25th to obtain 1st Monday in May Default Display Up to 40 Displays can be shown in the A1120 40 Default display sequence For ease of building the displays are arranged in a number of sections which can be chosen from the Selection drop down box Displays can be in English or displayed ...

Page 117: ... The display is removed To Change the display order Click on the required display and click the button to move the display upwards in the display order Click on the required display and click the À button to move the display downwards in the display order Utility Display Up to 40 Displays can be shown in the A1120 40 Utility display sequence The displays are entered in exactly the same way as the ...

Page 118: ...gh the 29th February may be entered the End of billing will occur on the 28th of February for non leap years Perform billing reset during communications option When selected this option causes a billing reset to be performed at the end of each communications session Enable Auto reset When selected the meter will perform a Billing Reset and store all Historical data every midnight At each Billing R...

Page 119: ...lar quantity Check the panel to display as a CT Ratio Leave unchecked to display as scalar CT Error The CT error can be compensated for To compensate for a CT error of 0 4 enter a value of 0 4 then a compensation value of 0 4 will be applied Note If the CT programming switch is fitted to the meter the switch must be activated in order to change the CT ratio 3 4 9 Relay Setup The pulsing output of ...

Page 120: ...se the 3 4 10 Load Profiling The A1140 meter records block demand only The Integration period may be set to 1 2 3 4 5 6 10 15 20 30 or 60 minutes Up to four channels can be selected to be included in the load profile definition 3 4 11 Meter Options Clock Clock source The time keeping of the meter can be derived from the AC supply or from the internal crystal oscillator If AC supply is selected the...

Page 121: ...g formats are available dd mm yy mm dd yy Communications The communications TAB gives the following option Enable or Disable Serial port Allows the serial port to be enabled or disabled Serial Port Baud Rate Allows the serial port baud rate to be set to one of the following 300 600 1200 2400 4800 9600 Serial Port Configuration Allows the port data bit configuration to be set to an option from the ...

Page 122: ... or Clock Fail Action If the battery in the meter has failed and a supply failure also occurs when power is restored the time and date of the battery failure will be logged In this event the meter can do one of three things Continue on the tariff scheme with a consequent time error equal to the duration of the supply failure Action End of Billing Reset then continue using the tariff as normal Acti...

Page 123: ...llows the resolution of the display to be increased for test purposes Power Down Count determines the number of times the meter can be powered down and remain in Dial Test Mode When a count of zero is reached the meter automatically switches out of Dial Test Mode No of Decimal Places determines the number of places the decimal point can be displaced for Dial test Mode 0 1 2 3 or 4 Display Timing A...

Page 124: ...utton This option allows the End of Billing button to be enabled or disabled Reverse Run Indicators This option allows the System Reverse Run Indicator to be enabled or disabled and the per phase reverse run indicators flashing L1 L2 L3 to be enabled or disabled 3 4 13 Time Date Meter Time Adjustment This allows the meter time to be adjusted in the following ways 1 Set the Meter time to the PC or ...

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Page 126: ...he Read Editor refer to Section 2 1 This Editor allows the Register Values Instantaneous Values Load Profile Data Scheme Page Information and Other information to be read back from a meter Note If 1 Day s Load Profile Data is selected the data read back is the current day s data from midnight to the end of the last demand period Current Values Instantaneous values ...

Page 127: ...ata To use the Data Stream option via the serial port the Serial Port configuration in the A1120 40 options communications page must be set to 8 eight bits none no parity 1 one stop bit 4 2 Readings Viewer The Readings Viewer allows data read back from a meter to be examined To View the Readings Double click on the new data to read in the scheme manager Double click one of the readings to view the...

Page 128: ...be viewed by placing the cursor on the plotted readings Data shown in red shows data with a Flag set To determine the type of flag set simply lay the cursor over the red area of data The type of Flag in Readings and Flag box can be viewed in the bottom right hand corner of the screen View the type of Flag in the Readings and Flags box in the bottom right hand corner of the screen Report A Report o...

Page 129: ...___________________ Functions This dialogue allows a CSV Comma separated variable file to be exported ready for viewing in a spreadsheet such as Excel Alternatively the data can be exported in a file format that is suitable for being transferred into an MV90 system Elster Metering Ltd M181 001 3C 12 2007 ...

Page 130: ... a New Meter Right click in the right hand pane of the Meter manager select New Meter and rename the meter Import Schemes meter that have been set up in other Master Units can be imported and placed in the Schemes meter Import folder Trash Can All files deleted from the Meter manager are transferred to the Trash Can They can be transferred back to the Meter manager if required Once deleted from th...

Page 131: ...o three Tabs Communications Hardware and Identifiers Hardware Information on the Meter type Connection type number of elements Number of internal relays and Plug in modules is entered see above Communications This page allows the Communications parameters to be entered To Enter Communications Parameters Enter the connection method and any outstation no telephone no baud rate as required Note If a ...

Page 132: ...te should be set as follows For RS232 connection the PC baud rate must match the A1120 40 baud rate For Modem connection the baud rate should be set to the specification of modem connected to the A1120 40 meter Identifiers Identifiers allow the Meter Serial Number the Site id and a description of the meter to be entered ...

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Page 134: ...only the page from the last scheme attached is programmed to the meter Meter List Context Menu The options available from the dropdown list are shown opposite The Context Menu list is made available by right clicking the mouse in the right pane of the Meter list New Meter List The New option clears the Meter list ready for a new Meter list to be created Open Scheme This allows information on the m...

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Page 136: ...____________________________ 37 System Administration 7 1 System The System menu allows Users to change their password and create new users It also allows other parameters shown opposite to be entered Changing Passwords This allows the password for a User to be changed ...

Page 137: ...ccess Select other required permissions and repeat Select User Save Don t forget your Password Note Users can grant access to new users they create only if they have access to the permissions themselves If a number of permissions require dragging to another window hold down the shift key drag the cursor over the required permissions to select a block of permissions then click on the highlighted pe...

Page 138: ...column To Modify a File Location click on Modify and select the directory where the files of the selected type are located then Press OK Meter Connection Setup This dialog is used in exactly the same way as the Connections Setup in the Meter information editor Communications Server Setup The Communications Server Setup is used to assign the type of communication to be used on each port and organis...

Page 139: ...d on a port Modem Initialisation allows the initialisation string to be set The modem type tone or pulsed dialling must first be selected To set the string select Modem select the type of dialling then type the string in the box provided and press Save File Location To modify a file path press Modify and edit the file path accordingly Use number of retries to set the number of times the computer t...

Page 140: ...abase allows all files in the database to be backed up It is recommended that the database is backed up at least once a week and that the files are stored on a separate computer The file format is shown opposite Time Set Mode Time set mode can be set from the Real Time Clock RTC or Hand Held Unit HHU or from a time specified by the User This mode is used to override the Set to PC option in Scheme ...

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Page 142: ... the communications type to be defined Connections To Set up Modify a Connections for a modem Create a New Meter from the Meter manager Type in the new name Test Double click on the meter and Select Communications Press New Edit to display the dialog above Click New Connection and enter the connection name Select the method of connection Modem Select the modem serial port Com 1 Press Save then Clo...

Page 143: ... meter via the meter s Optical Port RS232 RS232 connection allows an A1120 40 to be targeted for communications The baud rate is selectable Data Steam Mode allows fast data readings CHIRPS This option allows CHIRPS files to be created To create a CHIRPS file select CHIRPS select the Directory where the Chirps files are stored and press OK Hand Held Unit This allows the Master Unit to communicate w...

Page 144: ...nd a complete scheme to a meter by passing the Meter list Quick send can be selected using the toolbar or by saving the scheme then right clicking on the scheme icon To Quick send a Scheme Select the Scheme to be transferred Select Quick send Scheme from Transfer in the Main Menu This will open the Quick send Setup dialog Fill in the dialog referring to Connections Press OK File transfers should b...

Page 145: ... connection to the meter is established If this data is not available is displayed 2 The number of sent and received Packets is displayed with the number of bytes 3 The program can be aborted during comms by clicking Exit This will end all sessions in an orderly manner 4 It is recommended that the comms application is closed down once the Master Unit has been closed 8 4 Main Menu File Open Allows ...

Page 146: ...n communicate over a network by installing the Communications Server on a remote PC and sharing the directory The file location must be set in the Communications Server Setup Setting the File Paths At the Server PC Install the Communications Server in the required directory and share the directory including the Script Result and Log subdirectories with the Client PC Select the Communications Serve...

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Page 148: ...ut and pasted into other applications such as Bug Collector Pro Word etc Setting up the File printer From the Main Window choose Start Settings Printers Select Add New Printer The Add Printer Wizard appears Press Next Select File Press Next Select Manufacturer Generic Printer Generic Text only Press Next Select keep existing drivers Press Next Select No for default printer Press Finish A Print to ...

Page 149: ... 2007 50 A2 Live Link The live link software displays instrumentation details as shown in the display opposite Using the software Select a meter from the Meter Manager Right click and select Live Link Data will be read back from the meter Note The Include log data in network output box in System Communications Server Setup Client setup must be checked for data to be viewed ...

Page 150: ...o be used with the system The software can be used to transfer schemes to a HHU from the Power Master Unit using either Quick send or executing a Meter list The software can also be used to upload RES or BUD files from a HHU by launching the OMS Transfer program B2 Downloading Schemes Select Quick send Select the connection type HHU and enter the password as required Click OK The Window shown is d...

Page 151: ... automatically by the Power Master Unit and should not be changed The HHU and the Comm port should be set up as appropriate Click OK when all parameters are set Note If any modifications are made they can be saved by selecting HHU Save Set Up Download To download the files to HHU follow the flowchart below With CHIRPS for the HUSKY Select Comms This starts HCOM or At C Type HCOM Press Enter HUSKY ...

Page 152: ...lick OK OMS top level menu is displayed Click on HHU Set up Power Master Unit sets up the Meter Master Unit path and Procedures automatically If the load profile data has been read check Upload BUD Files The HHU and the Comm port should be set up as appropriate Click OK when all parameters are set Note If any modifications are made selecting HHU Save Set Up can save them Upload To Upload the files...

Page 153: ...2 3000 Timing 3 0200 Timing 4 0100 OK Cancel Click on data to be edited and type changes TAB can also be used to move between entries Click on OK Select HHU Set up In the procedures section only Download HHU Config should be selected Click OK With CHIRPS for the HUSKY Select Comms This starts HCOM or At C Type HCOM Press Enter HUSKY File transfer Utility Press Escape to Exit is displayed At the PC...

Page 154: ...RPS will run for an indefinite number of times HHU Identification This is an eight digit identifier determining the type of HHU that CHIRPS is running on File Size The file size should always be set to 12 Comms Port If the first three characters are set to COM then the fourth character is interpreted as the comms port e g COM1 which is the default value Timings CHIRPS timing protocols should be se...

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Page 157: ...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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