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Meter Operation

Issue: 1.8

Page 17 of 69

E470 Tokenless Smart Prepayment Meter

Present balance register in single wallet mode

The present balance register within the electricity meter holds the credit or

debt value for both gas and electricity usage. Electricity costs are taken in

the normal way, gas costs are taken as described in 7.4.2. Emergency

credit may be applied in the normal way.

Supply disconnect/reconnect in single wallet mode

After a disconnect and when credit is next added, sufficient to place the

meters back into prepaid credit the following occurs:



The meter will allow the customer to reconnect the electricity

supply using the button on the front of the meter.



The meter will generate a pass-through message for the gas meter

to request instantaneous gas reconnect. The message will be

passed on the next 30 minute boundary.



The meter will cancel any unsent disconnect pass-through

messages on receipt of a payment message, sufficient to place the

meter back in prepaid credit.

4.6.4 PAYG mode

The meter can be configured to operate in pay-as-you-go (PAYG) mode. In

this mode of operation the meter will not disconnect at zero but will allow

the user to accumulate a certain amount of debt. Providing that the user

keeps within an agreed amount of debt supply will remain connected for the

customer.

To support this mode the meter can be configured to hold a PAYG

disconnection value, the value has a range of 0 to -500 (debt).

When operating in PAYG mode, the meter will disconnect supply when the

present value in the meter falls below the configured PAYG disconnection

value.

Emergency credit operation is disabled by configuration when using the

PAYG mode, debt recover will still operate as normal.

4.6.5 Gas Credit mode

The meter can be used to configure the operating mode of a paired gas

meter. Using this mode the mode of the gas meter can be switched

between prepayment and credit operation. A request to change the mode

of operation for the gas meter can take upto ½ an hour as the request is

dependant on a pass through message to perform the request.

Содержание E470 Series

Страница 1: ...ty Meters Residential BS MID British Standard E470 Tokenless Smart Prepayment Meter User Manual Technical Specification Date 18 01 2010 Filename 5236 User Manual Version 1 8 docx Q Pulse Number IB090 Landis Gyr ...

Страница 2: ...ection 1 4 and to the data sheet to satisfy TUV requirements 1 5 04 09 07 Supply cabling specification added to section 1 7 1 6 24 10 07 Signal strength comments added at section 6 2 1 7 19 11 08 Revised manual to new branding guidelines and layout 1 8 14 09 09 Addition of features to support 5236J Y functionality Copyright notice The material in this document is the property of Landis Gyr Our pro...

Страница 3: ..._________________________________9 3 3 Temperature ____________________________________________________________10 3 4 Real Time Clock__________________________________________________________10 3 5 Faceplate Details _________________________________________________________11 3 6 Customer Display_________________________________________________________11 4 Meter Operation __________________________...

Страница 4: ..._________________________ 36 8 Prepayment and Accounting Functions ____________________________________40 8 1 Credit Mode ____________________________________________________________ 40 8 2 Present Balance Register __________________________________________________ 40 8 3 Payments Log___________________________________________________________ 40 8 4 Total Credit Register __________________________...

Страница 5: ...______________________ 62 13 Maintenance and Service________________________________________________ 63 13 1 Meter Check_____________________________________________________________63 13 2 Meter Testing____________________________________________________________63 13 3 Post Installation Configuration Changes_______________________________________63 14 Measures in the Event of Faults ______________...

Страница 6: ...Installation The 5236 meters record active energy consumption in single phase two wire networks For this purpose they are directly installed in the supply line by the energy supply company and are read regularly for energy charging purposes They are used according to the technical specifications stated in the respective data sheets and below The meter is intended for installation in a residential ...

Страница 7: ...to indicate general details and other useful information In addition to the danger level all safety information also describes the type and source of the danger its possible consequences and measures to counteract the danger 2 1 Responsibilities The owner of the meters normally the utility is responsible that all persons engaged on work with meters Have read and understood the relevant sections of...

Страница 8: ... 100 Amp at 415 Volts conforming to the requirements of BS1361 or equivalent The maximum rating of the meter is 100A and requires connecting conductors of 25mm2 Failure to do so could result in irreparable damage to the meter If smaller connecting conductors are used an appropriate mains fuse must be used Only suitably trained and qualified personnel shall be allowed to work on the equipment Local...

Страница 9: ...he meter features energy registers for four rates and one total export energy register The meter may be configured to maintain time of use tariffs block tariffs or complex combinations of the two The meter is fitted with a standard IEC1107 optical port for factory and on site programming as necessary Additional features include but are not limited to Half Hour Profiling configurable on off as requ...

Страница 10: ... stability as that of the mains i e within 30 seconds year During periods of power failure the time shall be maintained by an internal battery powered crystal controlled clock In battery backed mode the accuracy shall be maintained to within 15 minutes year at a temperature of 20 C The time is displayed in 24 hour mode The meter operates on GMT with the option to operate with scheduled changes for...

Страница 11: ...of the meter are described The meters serial number and barcode will be laser marked onto the front of the meter case Serial numbers are allowed with up to 16 characters 3 6 Customer Display The meter is fitted with a custom display providing 4 starburst characters and 7 seven segment characters The display has a backlight Separate icon will indicate currency and kWh units The display will provide...

Страница 12: ...s as described in section 2 5 The left hand blue button is used for stepping thru the meters display cycle Each press will advance the configured display sequence by one display If the display sequence has been partially cycled and the push button is not pressed for 30 seconds the display sequence will revert to the default display The right hand orange push button shall be used to evoke the Emerg...

Страница 13: ...times Facility locked out until 00 01 next day If no button presses are detected after 60 seconds the display will revert back to the normal operating display 4 2 2 Installation and Binding A further use of the code entry mode is to instigate the binding process for external devices or an installation mode When instigating these processes a 6 digit pin is entered into the first 6 digits of the pay...

Страница 14: ...ough the meter The reverse energy warning message is triggered when the reverse power exceeds a programmable threshold level of between 1 10 Amps for a period of 10Wh A reverse energy event can optionally be communicated to the utility information system immediately or returned with scheduled read meter status The meter will store the number of RED tamper events detected together with the time and...

Страница 15: ...er serial number SIM number and MPAN 4 6 Operational modes The E470 meter can be configured to operate in several different operational modes that can be implemented remotely The following section details the operational modes that are supported by the meter 4 6 1 Credit mode The meter can be configured to operate in credit mode In this mode of operation the meter will not open the contactor unles...

Страница 16: ...dnight the stored value will be reset When a new value is received the stored value is subtracted from the new value to gas the last 30 minutes usage The present balance register is reduced by the calculated value The original stored value is overwritten with the new value The meter records the total value collected from the Present balance register through hourly messages to enable reconciliation...

Страница 17: ...ayment message sufficient to place the meter back in prepaid credit 4 6 4 PAYG mode The meter can be configured to operate in pay as you go PAYG mode In this mode of operation the meter will not disconnect at zero but will allow the user to accumulate a certain amount of debt Providing that the user keeps within an agreed amount of debt supply will remain connected for the customer To support this...

Страница 18: ...oad limiting function The meter is configured with a Load limit value that has an operating range of 0 24 00kW When load limiting is in operation the following display will be alternated with the normal operating displays Pence kWh L I M I t i n g o n When Load limiting is enabled the meter will maintain the contactor in a closed position while the measured power kW is below the Load Limit value W...

Страница 19: ...n the customer exceeds the threshold value in the first instance power supply is cut Customer reduces load and power can be reconnected When the customer exceeds the value in the second instance the customer again has to reduce household load to reconnect power 1 0 2 3 4 5 6 7 8 Load Limit threshold Customer usage pattern kWh usage Value exceeded X X Value exceeded ...

Страница 20: ...ial numbers are in turn displayed on the In home display to provide confirmation to the installer A remote process is available to prevent meters communicating when not required i e loss of gas supply contract 5 1 1 Binding and installation mode code entry Both binding and automatic installation processes use a 6 digit PIN to instigate a particular process with the meter The meter holds a record o...

Страница 21: ...ll binding and installation codes are 6 digits in length Once the sixth digit has been entered then the code can be offered to the meter by pressing and holding both push buttons Pence kWh C O D E 1 0 0 0 0 Press both buttons to offer code entered If the code matches a code pre programmed code then a pass message is shown Pence kWh C O D E P A S S If not then and error message is shown Pence kWh C...

Страница 22: ...ntered using two push buttons Code entered using two push buttons Code entered using two push buttons Meter generates random 6 digit numbers for meter removal and meter exchange The meter will recognise and accept a default service code to allow the installer to enter the installation process The default service code will be 6 digits in length and programmed during factory configuration NOTE it is...

Страница 23: ... meter will ask for an Authorisation code to be entered This code is an identifier for the meter installer The Authorisation Code will be 6 digits in length See Display section 6 8 Once installation data has been entered the meter will randomly generate two 6 digit codes These codes will allow a decommission process to occur when entered at a later date by a meter engineer The two codes have the f...

Страница 24: ... would be instructed of the codes by use of the system The entry of the Decommissioning Codes is achieved using the using the standard Purchase Code entry procedure see display section Once 6 digits have been entered the installer can offer the code to the meter by pressing and holding both buttons for 2 seconds If the code does not match the either the removal code or exchange code held in memory...

Страница 25: ...n the meter removal code is entered the meter will send a snapshot of metering data to allow a final read to be arranged The information will include Data Item Returned in1 Details Date and Time stamp H Electricity Meter Status flags2 H Message ID P Message ID REMOVAL MPAN Customer P Meter Serial Number P Credit Mode P Denotes credit or prepayment operating mode Emergency credit flags P Denotes em...

Страница 26: ... stamp The above data would fit within a single SMS message 6 2 Change of Tenancy Supplier The meter is capable of handling changes in tenancy or supplier by zeroing or revaluing various registers within the meter upon receipt of a change of tenancy supplier command CoT S by the system A CoT S command can be configured to operate either immediately or at some time in the future the CoT S command w...

Страница 27: ...mp H Electricity Meter Status flags H See2 below Message ID P Message ID COTS MPAN Customer P Meter Serial Number P Credit Mode P Denotes credit or prepayment operating mode Emergency credit flags P Denotes emergency credit taken or not Present Balance Register P Arrears Register P Rate 1 kWh register P Rate 2 kWh register P 1 Returned In column denotes whether the item is returned in the message ...

Страница 28: ...redit button the contactor will close and supply restored 6 4 Profiling The meter may be configured to record 30 minute electricity profiles the meter will store up to 30 days of 30 minute profiles Half hourly profiling will commence following the receipt at the meter of a command from the utilities information system for them to begin The command will consist of a profile request a start and stop...

Страница 29: ... emergency credit taken or not Present Balance Register P Arrears Register P Rate 1 kWh register P Rate 2 kWh register P Rate 3 kWh register P Rate 4 kWh register P Total kWh register P Export energy register P The meter reading schedule may be configured around the following one of the following routines Daily Read Weekly Read Monthly Read Billing Period Read In order to randomise the reading tim...

Страница 30: ...alendar month and transferred to the system Billing Period Read A snapshot of registers is taken between 00 00 and 02 00 at the end of a billing period as defined in the billing period section and transferred to the system The meter may be configured not to send scheduled reads The meter will additionally store the last sent scheduled read as a contingency in case of communication failures ...

Страница 31: ...ble the auxiliary control relay to be closed Upon reaching a time switch with an auxiliary relay close command the relay will close and remain closed until the next time switch The TOU tariff scheme will allow seasonal switching such that switching times can be different for summer and winter periods Seasons may be set to Summer S Operate from last Sunday in March to last Sunday in October Winter ...

Страница 32: ...er months the meter operates the seven hour off peak pattern throughout the week 7 1 3 Holidays Special Days The meter may be configured with 15 dates to be used as special days During a special day the meter may be configured to Switch to and remain in a particular rate 1 to 4 all day or remain in the normal switching scheme Close the Auxiliary relay all day Act in a Friendly Non Disconnect mode ...

Страница 33: ...iod duration may be configured as a number of days or calendar months Billing periods roll on unless reset for COT or COS The Billing Period shall have duration defined in the range 1 to 115 days or 1 12 calendar months Start date between 1st and 28th day The Billing Period has a start date defined as DDMM The Billing Period end date is calculated as the start date plus the number of days or calen...

Страница 34: ...ck tariff resets and uses block 1 prices until the first power switch threshold is reached The meter holds information regarding the billing cycle held in the meter this information uncludes the start of the next billing period the start of the current billing period and what day of the current billing period the meter is in 7 3 Price Per Unit Tariff Plan The tariff prices applied by the meter can...

Страница 35: ...ock Tariff only the meter will not change TOU rates The meter will charge at PPU values 1 5 9 and 13 according to energy consumed and to which block the meter is in Combination Tariff Example shows a Combination tariff using 2 TOU rates and 3 block tariff rates Meter will dynamically change the PPU rate according to the energy consumed When operating in Block 1 the meter will use PPU 1 and 2 for c...

Страница 36: ...ater prices are in effect spread daily and costs smoothed throughout the billing period As the usage during the billing period will vary the meter will perform a daily reconciliation to ensure the correct amount of charge is made according to the set pricing blocks The Daily Block Tariff Threshold for each block will be calculated by dividing the Block Tariff Threshold by the number of days in the...

Страница 37: ... the billing period The meter will calculate the number of kWh s for each block from the total of kWh s consumed at each rate A comparison of actual charges to calculated charges will be made Where a discrepancy has occurred the calculated values will be used and copied into the working log A correction to the Present balance will be made either as a positive or negative credit adjust Example 1 Th...

Страница 38: ...unt charged 2 30 Amount charged 0 50 Calculated Amount 0 90 Calculated Amount 1 40 Calculated Amount 1 60 Calculated Amount 2 30 Calculated Amount Midnight Reconciliation Consumption during day 3 kWh 7 kWh total OK for day 1 OK for day 2 Consumption during day 1 kWh 8 kWh total Too many units given at price D corrected values copied to working log usage recalculated For a 4 kWh total For a 7 kWh t...

Страница 39: ...cided The meter records the monetary amount of charges taken from the Present Balance register from the start of the billing period This is used for reconciliation purposes at the end of the billing period At 00 00 following a day s usage the meter will calculate an average daily usage value using the total registered kWh s from the start of the billing period and the number of days lapsed If the ...

Страница 40: ...usage Standing Charge and Debt Recovery will also periodically reduce the Present Balance register The Present Balance register will record in both positive and negative values with negative values shown as Debt When receiving a Credit Top up transaction the Present Balance register will be incremented by the monetary value of transaction The Present Balance register values shall be in Pounds foll...

Страница 41: ...mally applied within the last hour and is displayed from 0 01 to 99 99 The register is calculated on a three second average Cost Today stores the actual cost for the current day and includes all normal charges The register will be updated whenever the main Present Balance register is adjusted Range from 0 01 to 99 99 8 5 1 Total Number of Payments Register The Meter shall maintain a Total Number o...

Страница 42: ...ich is programmed into the meter during factory configuration and transferred to the system during installation 8 8 Emergency Credit The Emergency Credit EC facility provides the customer with a preset amount of credit to maintain supply for a short period after credit has been exhausted or is very low The EC facility has two parameters EC Availability Point range 0 to 99 99 and EC value range 0 t...

Страница 43: ...s The Debt to clear register will then be cleared and removed from the display cycle Before the meter will restore supply the value of debt must be repaid in full by adding credit greater than the debt value shown in the present balance register If credit is added which does not repay the debt value shown on the Present balance register the meter will reduce the debt and not offer Emergency credit...

Страница 44: ... collection will be configurable in respect of total debt to be collected and repayment rate per week The Total Debt Register shall contain the total debt amount the customer has to re pay and may have a maximum value of 9999 99 The Debt Wk repayment register shall contain the weekly repayment rate that shall be made to repay the debt It may be in range of 0 01 to 99 99 The Debt Wk repayment rate ...

Страница 45: ...ion date the meter will multiply the following registers by the conversion factor conversion factor in the range 0 25 to 4 Present balance register Arrears balance registers Charge kWh values Standing charge Arrears recovery rate Emergency credit value Emergency credit availability value Following conversion the meter will change the currency symbol used on the display to the appropriate sign The ...

Страница 46: ...voked PP Rate 1 4 kWh charge Both All segments test Both Time Both Date Both Last 3 most recent payments PP Standing charge per week Both Arrears Recovery per week PP Total Arrears PP Total weekly charge PP Rates 1 4 kWh registers Both Total kWh register Both Emergency Credit Value PP Emergency Credit Threshold value PP Usage Cost per hour Both Usage Cost per day Both Emergency Credit value PP Eme...

Страница 47: ...be configured not to show after the meter is installed i e indicate to the installer only The indicator will show three levels of signal strength Less than 5 signal strength Antenna symbol only 5 25 signal strength One bar 25 75 signal strength Two bars Above 75 signal strength Three bars If a network is not present the symbol will flash to warn that communication cannot be made Reliable completio...

Страница 48: ...Where a combination tariff is applied the Present Balance display will indicate the active TOU rate plus the active tariff block the meter is currently charging at An Example of the present balance register when the meter has a credit of 5 the active TOU rate register is Rate 2 and the active block is block 1 Pence kWh C R E D 5 0 0 Pence kWh R 1 B 1 5 0 0 9 4 Present Balance Emergency Credit Avai...

Страница 49: ...oked and the meter is in debt the meter will display the remaining emergency credit value in the present balance display plus show the debt to be clear before the meter will return to credit in a second Debt to Clear register Pence kWh C R E D 5 0 0 E Pence kWh R 1 5 0 0 E Pence kWh D C L R 1 5 0 The debt to clear register will automatically appear as the first register in the display cycle 9 6 Ac...

Страница 50: ...ace the meter back into credit the meters will scroll the message across the 7 eight segment register displays PUSH Button When the consumer presses the Emergency credit button the contactor will be closed and power restored 9 8 Display Cycle Options 9 8 1 Test Display An all segment test display is available All segments and Icons will be shown Pence kWh 8 8 8 8 8 8 8 8 8 8 8 9 8 2 Time Display T...

Страница 51: ...ence kWh R 2 0 0 0 1 0 0 0 9 8 5 Total Energy Register The total energy register displays the sum of rate 1 to 4 energy registers The register will roll over to zero after 99999 99 The Total register will have the same 0 1 or 2 decimal place resolution as the TOU energy registers Pence kWh T O T 0 0 0 1 0 0 0 9 8 6 kWh Charge PPU Register Energy cost per kWh is shown in the kWh charge register The...

Страница 52: ... 7 Most Recent Payments The last three most recent payments will be shown with payment value and date of payment receipt The register shall operate over six displays showing most recent payment first followed by second and third most recent payments Pence kWh 1 S 0 3 1 2 0 6 t Pence kWh 1 S t 3 7 0 Pence kWh 2 n 0 2 1 2 0 6 d Pence kWh 2 n d 5 0 0 ...

Страница 53: ...the reading is a per week value Pence kWh WK 9 9 9 9 The register is in the range 0 99 99 9 8 9 Weekly Charges Debt Recovery The Debt per week register alternates between the DEBT header and Wk to signify the reading is a per week value This will differentiate between this register and the Present balance debt Pence kWh D E B T 9 9 9 9 Pence kWh WK 9 9 9 9 The register is in the range 0 99 99 9 8 ...

Страница 54: ...he range 0 9999 99 9 8 12 Usage The meter can show the present cost per hour and cost today as described in section 3 6 Pence kWh C O S T 9 9 9 9 Pence kWh H R 9 9 9 9 The register is in the range 0 99 99 Pence kWh C O S T 9 9 9 9 Pence kWh D A Y 9 9 9 9 The register is in the range 0 99 99 9 8 13 Emergency Credit Value The meter can display the configured Emergency Credit value available to the c...

Страница 55: ...may be shown following a Change of Tenancy command and the meters contactor has been opened Pence kWh OF F 9 8 16 Tamper Messages A configurable RED message may be shown following a reverse energy detection event The RED message will alternate with the default operating display Pence kWh r E d A configurable TAMPER message may be shown following the opening of the SIM holder Pence kWh OP E n The m...

Страница 56: ...er is displayed to 2 dp whole pence cents without leading zero s Pence kWh T P A Y 2 1 0 5 0 9 9 Purchase Code Entry To enable the entry of various codes including installation credit purchase etc the meter will allow the user to enter such a code using the two push buttons fitted to the front of the meter The code entry sequence will operate the same for all types of code entry The code entry fac...

Страница 57: ... pressing the orange button for a final time will offer the code to the meter the meter will either accept or reject the code If the code is rejected the meter will state the error on the display Pence kWh C O D E E r r o r On entering an erroneous code the meter allows the code to be re entered for up to 10 minutes If a valid code is not entered after 10 minutes or if no button presses are detect...

Страница 58: ...note debt pressing the display cycle button will change the parameter Pence kWh B A L c 0 0 0 0 0 Blue Button Press Pence kWh B A L d 0 0 0 0 0 Once the sign has been selected the Emergency credit button is pressed to move to value entry Entry of value is made using the blue button to increment value 0 9 then back to 0 Emergency credit button is used to move to next figure Flashing character is th...

Страница 59: ...figure Flashing character is the active character Pressing both buttons for 1 second moves the active character back one place Pence kWh A R R 0 0 0 0 0 0 When the EC button is pressed on the last far right character the process will move to the next stage 9 10 4 Authorisation Code Entry The entry of the Authorisation code will use the same process for the entry purchase codes The code header will...

Страница 60: ...rt Prepayment Meter 10 Wiring Diagram The wiring diagram seen below for the meter is fixed to the meter terminal cover Metering Element L L N N 100A Contactor 2A Relay Supply Load Important See section 1 4 Intended Use and Installation See section 1 7 Safety Regulations ...

Страница 61: ...tion 25 55 Temperature Range of Storage 30 85 Altitude up to 2 000m Pollution Degree II Relative Humidity Annual mean 75 For 30 days these days being spread in a natural manner over one year 95 Occasionally on other days 85 The meter is intended for installation as an indoor meter Meter Constant 1000 impulses kWh Display 125 segment STN LCD Communications Locally via optical port IEC62056 21 Remot...

Страница 62: ...Page 62 of 69 Issue 1 8 Meter Drawing Landis Gyr E470 Tokenless Smart Prepayment Meter 12 Meter Drawing ...

Страница 63: ...display for any error messages or notifications Confirm that the energy registers have changed to a reasonable degree since the last visit If irregularities are found continue as in section 12 13 2 Meter Testing The testing of meters either random sample or on all meters should be carried out periodically according to national regulations The meter must be removed as described in section 12 3 and ...

Страница 64: ...s are a life threatening hazard Preliminary fuses should be removed and kept in a safe place until all work is complete where they cannot be replaced by anyone unnoticed Proceed as follows Remove the company seal on the terminal cover if fitted Release the two terminal cover screws and remove terminal cover Check with a suitable voltage testing device that the phase connections are not live If the...

Страница 65: ...ent Meter Landis Gyr Attach a label which describes the fault as accurately as possible to the meter and include name and contact details of person responsible in case of inquiries Package the meter to ensure no further damage can occur during transit Send the meter back to Landis Gyr ...

Страница 66: ...e components used to manufacture the meter can in the main be broken down into constituent parts and sent for suitable recycling or disposal The following are general guidelines and should NOT take priority over local disposal and environmental policies which should be adhered to without compromise Component Parts Disposal Printed Circuit Boards LCD Display Treated as per disposal of Electronic Eq...

Страница 67: ...rganisation LCD Liquid Crystal Display LED Light Emitting Diode MD Maximum Demand MID Metering Industry Directive NPR No Power Read OFGEM The Office of Gas and Electricity Markets PTR Photo transistor RED Reverse Energy Detected 16 2 Measurement Units A Ampere unit of current Hz Hertz unit of frequency Iref MID reference current Kg Kilogramme unit of weight kVAh Kilo Volt Ampere hour kvarh kilo Vo...

Страница 68: ...enless Smart Prepayment Meter Is in conformity with R TTE Rules This equipment complies with the essential requirements for the Radio Equipment and Telecommunications Terminal Directive 199 EC Quality Statement R TTE CE LVD approved manufactured to ISO 9001 2000 Quality Assurance Standards and tested for compliance with European CE Certification WARNING Changes or modifications to this unit not ex...

Страница 69: ...el of credit below which Emergency Credit shall be offered No Disconnect Period A period that can be defined on a daily basis wherein the Meter shall suspend opening the contactor if its credit is exhausted Any charges applied during the No disconnect period shall accrue as debt PPU The price in pence or cents if Euros are the selected currency of each unit kWh of electrical energy consumed PPU is...

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