522 - Meterspec
Contents
1. This can be made a bi directional communication interface to allow tariff programming It can also only able reading communication The interface serves for the automatic datareadout of the meter The interface comprises an infra red receiver transmitter pair mounted behind a window in the external case After receipt of a spurious or erroneous input on this interface a delay of one character frame is enforced before further input is accepted The interface and communications protocol comply with IEC1107 mode C a and C b with an opening data rate of 300 baud Subsequent communication at gt 2400 baud may be utilised by add on modules 7 1 User manual S2AS 100 200 Solid State Single Phase Meter Detection of faults 8 Meter Testing 8 1 Eer Calibration link NOTE The meter has NO calibration link For meter testing purposes traditionally meters are fitted with calibration links enabling to electrically separate the voltage and current circuits For testing purposes a number of meters are then supplied with the same voltage in parallel and with the same current in series The current measuring part of the S2A meter is based on the shunt principle For technical reasons with a shunt meter current and voltage circuits cannot be separated because its measurements circuits are directly connected to the line voltage Single phase meters based on the shunt principle can be tested as follows on a single posi2. 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Safety 2 Safety 2 1 Safety information h WARNING G CAUTION Attention is drawn as follows in the individual chapters of this user manual with classified word symbols and pictographs to the relevant danger level i e the severity and probability of any danger For a possibly dangerous situation which could result in severe physical injury or fatality For a possibly dangerous situation which could result in minor physical injury or material damage S For a possibly dangerous situation in which the product or an article in its environment could be damaged and for general details and other useful information to simplify the work 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 2 Responsibilities Siemens Metering AG H 71 0200 0015 en ist edition The owner of the meters normally the power supply company is re sponsible that all persons engaged on work with meters 1 Have read and understood the relevant sections of the user manual 2 Are sufficiently qualified for the work to be performed 3 Strictly observe the safety regulations according to section 0 and the operating information in the individual chapters In particular the owner of the meters bears responsibility for the protection of p
3. 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Detection of faults 9 6 Mains Failure The meter detects impending supply failure by constantly monitoring mains voltage If it detects voltage below a certain threshold or no zero crossings this initiates the supply failure routine In this event all non essential power consuming activities are disabled within 40mS and the critical areas of the processors internal RAM are saved to EEPROM 9 7 Failure Tolerance The meter has been designed to give a high resilience to supply transients processor crashes or watchdog resets and to ensure that in the event of these occurring there is no loss or corruption of the tariff or energy registers Look at Technical Data chapter 1 2 as well 9 8 Energy Register Locking 9 2 The energy registers are unmodifiable by external means once the meter case has been sealed A lock variable in internal memory is set during factory initialisation This prevents subsequent writing to energy registers via the optical port A software lock also prevents writing to the areas of memory which hold calibration data Siemens Metering Ltd H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Decommissioning disposal 10 Decommissioning disposal Uz NOTE For the disposal of meters observe the local disposal and environmental e protection regulations in effect without fail Components Disposal P
4. above range 2 The meter will power down and inhibit all operations if the mains voltage falls below 150VAC 3 Between ISO V and 184 V operation is not guaranteed however the meter will not malfunction corrupt stored data or register spurious consumption and will power up or down cleanly once the mains input voltage rises above or below these values 4 The requirements specified in 2 and 4 above are independent of the rate of change of the mains input voltage 5 The meter will remain operational for mains voltage interruptions of up to 0 2 seconds For interruptions of greater than 0 2 seconds the meter may power down and up again but shall do so without malfunction corrupting data or registering spurious electricity consumption Basic current Ib rocana niana a E either 10A or 20A Maximum Current Imanx scenerne either 80A or 100A Maximum measuring range up to 120A without exceeding 5 error Creep inhibit circuit operating at approximately 40mA Note Current sensing is by means of a shunt 1 3 User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 2 3 Frequency values RE UE E 50Hz 1 2 4 Power Consumption e voltage circuit burden less than 0 5W and 9VA Typically 0 4 W e VA burden of the current circuit at Imax less than 0 25W 0 25 VA 1 2 5 Measuring accuracy Accuracy e Accuracy Glaesener bans ek class 2 Unity Power Fact
5. up to te EE typical 30 V per m EN EE to IEC 61000 4 for current and voltage EENS geste geb egen deg kA Sege 2kV for auxiliary circuits gt 40 V vsnsisrcceeiswecesetavioleieneesiereiaeasdiaseeneile 1 kV e Radio interference Suppression to IEC CISPR 22 class B Display e KEE liquid crystal display LCD EE Re EE 6mm e Number of positions eege eege eeler 8 The SO pulse output Pulse rise fall me lt Dm MarkeQurations rare iii tes tok a aaaea gt 80mS SPACE CULATION edina bet e eege euer ENEE gt 30mS Maximum open circuit voltage ee eeeeeeceee scene eeeeeeeeeeeeeeteeeteeeeeees 27V Pulse Scaling DEEN 1 000 Pulses kWh TI 27mA P lse length EE 280ms Maximum line length EE 0 5m Note It is available on two auxiliary terminals on the bottom of the S2AS 100 version of the meter Note that these output terminals are polarised Siemens Metering AG H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 2 9 Opto Interface according IEC 1107 1 2 10 Dimensions Siemens Metering AG H 71 0200 0015 en ist edition Programming Interrogation Interface Opto Port WG VE deeg bi directional communication interface EE Le e EE protocol complying with IEC 61107 Subsequent communication at gt 4800 baud may be utilised by add on modules e ODINING rate eege gege ere deeg ege C a and C b with 300 baud e Subsequent rate by use of add on modules sc gt 4800 ba
6. al check 4 7 RENERT Le Tt E 1 8 Meter Testing LEE a EE 1 8 1 Calibration link EE 1 8 2 Calibration LED Outputs icien a done 1 9 Detection of faults anessnunnnennnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnna 1 9 1 Suel 1 9 2 Tamper EE 1 9 3 Watchdog and Exception Handimg 1 9 4 Reverse TEE ee eebe 1 9 5 E ET E 1 9 6 Kier Fr ANG asst Eege 2 9 7 Failure Tolerance rr E E REA 2 9 8 Energy Register LOCKING EE 2 10 Decommissioning disposal cccseeeeeeeeeeeeeeeeeeeeeneeeeeeeeeeneeeees 1 Siemens Metering AG 0 5 H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 Description of unit 1 1 Review 1 1 1 General Review Residential metering Modular design Siemens Metering AG H 71 0200 0015 en ist edition View of meter IEC1107 Interface BS compliant Terminal BS mge O 8 Fig 1 General view of meter The S2AS meters form a family of solid state single phase meters to cover the whole range of residential metering applications Single or two rate register pulse output and communcation interface according IEC 1107 The meters can be used for currents up to 100 A The meter is equipped with features to enable the detection of fraud attempts The meter has a reverse energy register as well as a register recording the number of power on hours it sees A unique feature is the low power consumption which helps to reduce the networ
7. asuring instrument whether the connecting wires are live If so remove the corresponding prelimi nary fuses and keep them in a safe place until installation is completed so that they cannot be replaced by anyone unnoticed 4 Mark the two fixing points horizontal base of suspension 47 5 mm height of suspension mounting 119 5 119 5 Drilling plan 5 Drill the two holes for the fixing screws Unscrew the meter terminal cover 6 Unscrew the meter terminal cover 7 Fit the meter with the two fixing screws on the mounting surface pro vided 6 2 Siemens Metering Ltd H 71 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Installation and commissioning 6 4 Connecting meter N WARNING The connecting wires at the place of installation must not be live when fit ting the meter Touching live parts is dangerous to life The corresponding preliminary fuses should therefore be removed and kept in a safe place until work is completed so that they cannot be replaced by anyone unno ticed The electrical connections to the meter should be made as follows accord ing to the connection diagram 1 Check with a phase tester or universal measuring instrument whether the connecting wires are live If so remove the corresponding prelimi nary fuses and keep them in a safe place until installation is completed so that they cannot be replaced by anyone unnoticed Connecting th
8. changing the contents of meter memory and programming the meter serial number etc It may also be used for on site meter reading In order to carry out these functions a PC or handheld unit with appropriate software must be connected to the optical port using a standard Flag optical probe Some areas of memory are write protected to prevent fraud and minimise the possibility of corruption In addition some areas of memory are protected by a write once software lock which can be set preventing further software write accesses Such lock once set may only be unlocked by initialising the meter 5 1 Siemens Metering 0 H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Installation and commissioning 6 Installation and commissioning WARNING Dangers can arise from live electrical installations to which the meters are connected Touching live parts is dangerous to life All safety information should therefore be strictly observed without fail 6 1 Introduction The following personal and technical conditions must be fulfilled for instal lation and commissioning of the meters e The work described below must only be performed by technically quali fied and suitably trained persons e These persons must be familiar with and observe the normal local safety regulations e The details in chapter 2 Safety in particular the safety regulations as well as all information concerning safe operation i
9. citor provides sufficient power to allow the meter to continue to operate for long enough for the meter to Turn off all current consuming devices including LED and display Any outstanding writes to non volatile memory are completed The critical registers and information are saved to EEPROM When the power returns the processor will follow the normal power up process Siemens Metering Ltd H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Construction and Function 3 4 Memory Access 3 5 Metering 3 5 1 Register Model Siemens Metering Ltd H 71 0200 0015 en 1st edition The following areas of the meter are accessible with appropriate access security mechanisms via the IEC1107 interface 1 Microprocessors RAM read 2 Microprocessors RAM write selected areas 3 Non volatile memory read 4 Non volatile memory write selected areas Access security is enforced as follows 1 All write accesses are protected by a security algorithm specific to the meter 2 Writing to energy registers is not possible and is protected by a locking mechanism 3 Areas such as the calibration table are protected by software locks which are locked following factory calibration Software locks may only be locked via the programming interface never unlocked 4 Itis also possible to inhibit the write facility to e all addresses read only mode e all addresses except the active rate selec
10. e phase connection lines 2 Shorten the phase connecting wires to the required length and then strip them 3 Insert the phase connecting wires in the relevant terminals the terminals are numbered as shown in the connection diagram and tighten the terminal screws firmly torque max 3 Nm Insufficiently tightened screws at the phase connections can lead to in creased power losses at the terminals and therefore to undesirable heat ing A contact resistance of 1 mQ causes a power loss of 10 W at 100 A Connecting the signal inputs and outputs A WARNING 4 Shorten the connecting wires of the signal outputs to the required length and strip them wires and strands up to 2 5 mm can be connected The insulation of the connecting line must extend as far as the terminal indentation i e there must be no further bare part of the connecting line visible above the terminal Touching live parts is dangerous to life The stripped part of the connecting wire should be shortened if necessary 6 5 Check of connections por NOTE Siemens Metering Ltd H 71 0200 0015 en 1st edition Only a properly connected meter measures correctly Every connection error results in a financial loss for the power company Before putting into operation the following points must be checked again and corrected if necessary 1 Has the correct meter identification number been installed at the measuring point of the relevant consumer 2 Are all thru
11. erse power flow through the meter 4 2 Switch Control 4 2 1 SAS 100 4 2 The S2AS 100 meter has a 100A main contactor which controls the flow of current through the meter The switch can be operated either by the toggle switch located under the right hand terminal cover or by the action of a solenoid situated in the application module when fitted Manual operation may only be used to open the switch when it is closed or open a switch that has been closed by the application module This prevents possible fraud by reconnection of the main switch Siemens Metering Ltd H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Controll elements and displays 4 2 2 S2AS 200 This version does not have any contactor 4 3 1 Tariff ID This is a 16 bit word programmed by the tariff generation software Which may be used to identify the programmed tariff 4 3 2 Meter Serial Number This is the meter serial number programmed by the factory Siemens Metering Ltd 4 3 H 71 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Programming Interrogation Interface 5 Programming Interrogation Interface 5 1 Optical Communication Port The Optical port is compatible with IEC 1107 mode C a and C b for baud rates of 300 600 1200 2400 and 4800 The port only responds to external commands and may not initiate communications The optical port is used for examining and or
12. ersons prevention of material damage and the training of personnel Siemens Metering Ltd provides training courses for this purpose on spe cific equipment please contact the relevant agent if interested 2 1 User manual S2AS 100 200 Solid State Single Phase Meter Safety 2 3 Safety regulations 2 2 The following safety regulations must be observed at all times The meter connections must not be under voltage during installation or when opening Contact with live parts is dangerous to life The relevant preliminary fuses should therefore be removed and kept in a safe place until the work is completed so that other persons cannot replace them unnoticed Local safety regulations must be observed Installation of the meters must be performed exclusively by technically qualified and suitably trained personnel The meters must be held securely during installation They can cause injuries if dropped Meters which have fallen must not be installed even if no damage is apparent but must be returned for testing to the service and repair de partment responsible or the manufacturer Internal damage can result in functional disorders or short circuits The meters must on no account be cleaned with running water or with high pressure devices Water penetrating can cause short circuits Siemens Metering Ltd H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Consiruction and Function 3 Co
13. he total accumulation of all the rate registers This is a separate register not a calculated register There are in fact two separate total registers one for import energy and one for export energy An option in the tariff software allows export energy to be added and displayed to the forward total or Import register In all cases the export and import registers are physically maintained separately The resolution of the total register is 9 decimal digits but only 6 may be displayed at a time The number of decimal places displayed is programmable as 0 1 or 2 If no decimal are displayed only 5 full digits can be displayed on the LCD for the S2AS 100 and S2AS 200 3 5 4 Active Rate selection The active rate selection is via an external contact or via the module communications interface 3 6 Configuration File 3 4 The meter configuration file is a collection of data that determines the operation of the user alterable options in the meter These include the following e Reverse detect enable e Creep detection e Display format e Display sequence e Preferred baud rate e Leading zero blanking B40 Siemens Metering Lid H 71 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Controll elements and displays 4 Control elements and displays 4 1 LCD Display 4 1 1 Display specification The display consists of a number of annunciators and six seven segment displays The display c
14. is user manual is divided in a logical manner suitable for learning and application i e the individual chapters follow the sequence of information probably required during the various phases of the service life of the me ters This provides the following structure e Chapter 1 Description of unit e Chapter 2 Safety e Chapter 3 Construction and Function e Chapter 4 Control elements and displays e Chapter 5 Programming Interrogation Interface e Chapter 6 Installation and commissioning e Chapter 7 Data readout e Chapter 8 Metering testing e Chapter 9 Detection of faults e Chapter10 Decommissioning disposal 0 3 H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Table of contents Table of contents 1 Description Of UMlIt eccceesseeeeeeeseeeeeeeeeensseeneeseeseeeneeeeeeensnees 1 1 1 ee EEN 1 TAL General Review re E EE 1 1 1 2 Type designation EE 2 1 2 Technical Data eins e Sir faner cad Mi eee eae 3 LS Voltage Values cscsieccsiecckinaviecsh eee athe E Seet 3 122 Current Vales suerge Eder 3 1 2 3 Frequency values E 4 1 2 4 Power Consumption BEE 4 1 2 5 Measuring accuracy dtegee ENEE Ae EES 4 1 2 6 Ed EE 5 1 2 8 LESLIE EE 6 1 2 9 Opto Interface according IEC 1107 anne 7 1 2 70 DIMENSION Sw isc s ete geg EE ele EENEG ke 7 1 2 11 Connections EE 8 2 Eeer AA 1 2 1 Safety information EE 1 2 2 Responsibilities eer Ee 1 2 3 Safety Ee ue 2 3 Construction and FUNCTION
15. k losses The meter fulfils the requirements of today s metering practice while the design concept is already prepared to cope with tomorrow s needs in a fully liberalised market Future requirements can be realised in the form of external circuits incorporated in a module unit that can be adapted to the basic meter adaptive meter concept 1 1 User manual S2AS 100 200 Solid State Single Phase Meter Description of unit Case The meter is housed in a polycarbonate case designed for the easy fitting of add on modules Through its small size and low weight the S2AS meter saves costs in logistics 1 1 2 Type designation S2AS 100 SIEMENS Module port Meter with installer switch bmg The installer switch allows dog the supply to the premises to be disconnected without 0 drawing the main fuse or Li Fa disconnecting cables wiii J p ae FASA fg S2AS 200 Meter without installer switch Module port 1 2 Siemens Metering AG H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 2 Technical Data 1 2 1 Voltage Values 1 2 2 Current Values Siemens Metering AG H 71 0200 0015 en ist edition Rated Voltage e Nominal as per IEC GI02p ENNEN 230V 10 e Range for mains input voltages cceeeeeeeeeees 0 8 up to 1 15 x Un Note 1 The meter is fully operational within 4 seconds of the application of a voltage supply in the
16. n this chapter must be strictly observed e Acheck should be made before starting work that the material and tools required are all present as in section 0 6 2 Material and tools required The following material and tools are required for installation of the meters e Correct meter according to type designation and characteristic data on the dial with intact meter seal calibration seals e Correct meter connection diagram on backside terminal cover e Fixing screws for fitting the meters on meter boards or similar device e Factory seals e Screwdriver suitable for fixing screws e Screwdriver suitable for thrust screws of phase connections e Sealing pliers for company own seals e Drilling machine for fixing holes if necessary e Phase tester or universal measuring instrument e Buzzer Siemens Metering Ltd 6 1 H 71 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Installation and commissioning 6 3 Mounting the meter WARNING The connecting wires at the place of installation must not be live when fit ting the meter Touching live parts is dangerous to life The corresponding preliminary fuses should therefore be removed and kept in a safe place until work is completed so that they cannot be replaced by anyone unno ticed 1 Find the correct meter position for mounting the meter 2 Set the meter suspension eyelet in the relevant position 3 Check with a phase tester or universal me
17. nally it also provides information that may be used in conjunction with data collected by an add on module to indicate the existence of a possible fraud attempt The meter records the number of power on hours it sees These may be compared with those sampled by add on modules where these also record such information Any discrepancies may indicate a possible fraud attempt 9 3 Watchdog and Exception Handling The meter incorporates a glitch counter The watchdog counter must be zeroed before it times out in order to prevent a watchdog reset When the watchdog times out the microprocessor is reset and a watchdog reset procedure is executed A counter is maintained in EEPROM of the number of watchdog resets This may be used for diagnostic purposes 9 4 Reverse Detect When a pulse is signaled to the meter export register reverse power the reverse pulse count is incremented This count is cleared every 30 minutes however if the count exceeds 16 pulses the reverse flag is set in the meter status word and the reverse detect annunciator if programmed will be displayed on the LCD display Once on this annunciator can only be turned off again by resetting the reverse detect flag via the programming interface 9 5 Creep The creep annunciator is activated following a power on It goes out when a pulse is detected in either direction The Creep inhibit circuit operating at approximately 40 mA Siemens Metering Ltd 9 1 H 71 0200 0015 en
18. nstruction and Function 3 1 Metering Principle The metering principle is composed of two major items the shunt and the Sapphire ASIC The shunt is used to sense the current flowing through the meter and the signal form together with a voltage signal is fed into the ASIC which then calculates the instantaneous power A aS 8 1 9 8 o EEIER H LCD Line Voltage L t Seria Irterface Reset Sena NEC 753108 Current 5 i ZS a Down Ka m Calibration of Sapphire A to D Conversion Master of Serial interface Energy Direction Gd Ge Reset Generation Starting Current Supply Monitoring The use of the ASIC together with a majority of Surface Mounted Devices enables a high level of integration to be achieved These factors are crucial to provide a meter of high accuracy and high reliability 3 1 Siemens Metering Ltd H 71 0200 0015 en 1st edition User manual S2AS 100 200 Solid State Single Phase Meter Construction and Function 3 2 Reset and initialisation 3 2 1 Normal Reset The meter does not use any battery back up of RAM so in order to protect data during power loss information is stored in EEPROM memory Data is only held in RAM during mains operation and is transferred to non volatile memory on either specified changes or at Power down Error detection and correction techniques are implemented to enable data recovery in the event of partial memory fail
19. or at 20 C environmental temperature Error Current A Current A 1 4 Siemens Metering AG H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Description of unit Power Factor 0 5 Lagging Current A 1 2 6 External influences Temperature range e Operation EE 10 C to 45 C E Storage EE 25 C to 70 C Temperature Coefficient Current A PF Mean Temp Coefficient IK 1 1 0 009 2 0 5 0 016 10 1 0 015 10 0 5 0 0019 80 1 0 016 80 0 5 0 005 Insulation requirements class 7 4kV withstand capability between the voltage and current terminals including the auxiliary terminals and all metal conductive parts which the consumer can touch Climatic Type Approval according to IEC 61036 and OFFER UK Office of the Electricty Regulator additional requirements for type approval of certified meters and indoor meters Siemens Metering AG 1 5 H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 2 8 Output Values Electromagnetic compatibility e Electrostatic discharges EE to IEC 61000 4 2 C ntactdischarge EE 8 kV e Electromagnetic high frequency Telde to IEC 61000 4 2 27 MHZ up to 500 MHZ 2 3 fis kis ee ees Eug teee at least 10 V perm 100 kHz
20. rinted circuit boards Electronic waste disposal according to local LCD display regulations Metal parts Sorted and taken to collective materials disposal point Plastic components Sorted and taken to recycling regranulation plant or if no other possibility to refuse incinera tion H 71 0200 0015 en 1st edition
21. s situated above the display indicate which rate or Total register is currently displayed The order of the displays can be made programmable Leading zeroes may be suppressed if desired 4 1 User manual S2AS 100 200 Solid State Single Phase Meter Controll elements an displays 4 1 3 Dial Checks 4 1 4 Annunciators Register Displays These consist of the total and 4 rate register displays Each register may be enabled individually A two Rate meter could thus use any combination of the 4 rate registers e g 1 and 2 or 1 and 4 The active rate is indicated by a flashing chevron with a 0 5 second period while the corresponding register is being displayed The number of digits 5 or 6 and decimal points 0 1 or 2 is programmable using the configuration software Please note that if no decimal point is displayed only 5 digits can be displayed for the S2AS 100 and S2AS 200 For dial checks the resolution of all registers may be programmed to two decimal places Rate 1 2 A chevron points to the rate register currently being displayed This will flash when the active rate is being displayed Total A chevron indicates when the total register is being displayed Creep The creep annunciator gt lt flashes after power up until the unit has detected a pulse from the metering element Reverse Detect The Reverse detect annunciator if enabled is displayed when potential fraud is detected and indicates rev
22. sheet 522 SIEMENS Solid state single phase meter User manual future flexible Introduction Range of validity Purpose Target group Conditions Subdivision Siemens Metering AG User manual S2AS 100 200 Solid State Single Phase Meter Introduction The present user manual applies to the basic version of the meters e S2AS 100 for single phase two wire system with installer switch e S2AS 200 for single phase two wire system without inst switch Explanations without specific type details apply to both types The user manual contains all the information required for application of the meters for the intended purpose This includes e Provision of knowledge concerning characteristics construction and function of the meters e Information about possible dangers their consequences and measures to prevent any danger e Details concerning the performance of all work throughout the service life of the meters parametrizing installation commissioning operation maintenance shutting down and disposal The contents of this user manual are intended for technically qualified per sonnel of energy supply companies responsible for the system planning installation and commissioning operation maintenance decommissioning and disposal of the meters The user of this manual has received instruction in basic electrical princi ples in particular the various principal types of circuit for energy measure ment Th
23. st screws for the phase connections and neutral tightened sufficiently 6 3 User manual S2AS 100 200 Solid State Single Phase Meter Installation and commissioning 3 Check whether the neutral and the life conductor are not interchanged 6 6 Commissioning and functional check WARNING The preliminary fuses must be replaced to put the meter into operation and for the functional check While the terminal cover remains unscrewed there is a danger of contact with the connecting terminals Touching live parts is a danger to life For any modifications to the installation therefore the pre liminary fuses must always be removed again and kept in a safe place until completion of work so that they cannot be replaced by anyone unnoticed Uz NOTE If no mains voltage is yet present commissioning and functional check must be performed later The installed meter should be put into service and checked as follows 1 Insert the preliminary fuses removed for installation The meter is switched on 2 Check whether the operating display appears correctly no error message 3 Screw on the terminal cover if the meter is operating correctly Other wise first locate and eliminate the error 4 Seal the terminal cover with utility seals 6 4 Siemens Metering Ltd H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Data readout 7 Data readout Siemens Metering Ltd H 71 0200 0015 en 1st edition
24. succeer rer rr 1 3 1 Metering Principle sssssereerrr renerne 1 3 2 Reset and Initialisation succeser 2 Seel vleit e 2 3 3 Power Down Operation asset vats cartes Hae ea nena anette wont 2 3 4 Memory EE 3 3 5 Metering EE 3 3 5 1 Register Models cccic cece ionhetei ds Seeerei 3 3 5 2 Auxiliary input Ce ll CC EE 4 3 5 3 TOES EE 4 3 5 4 Active Rate selection EE 4 3 6 Configuration File see ates Seth e a ea as 4 4 Control elements and displays scenen 1 4 1 LOD Dis Ay e e lee ol ANU ans 1 4 1 1 Display Seeerei Ee 1 4 1 2 Normal Displays ciivcceiscetsieeiseecadl ndieaat renerne 1 41 37 gt Dial CHECKS eren aha capes der er ser EEE a sale oie 2 4 1 4 Annunciators Eed Ee 2 4 2 SWITCH COMMON EE 2 RA SASH VOD E 2 BOs SEAS ZOO ce sir od sneer ee ei e lates cide cine meenes 3 43A Tant WEE 3 4 3 2 Meter Serial Number ssseeereerereererer renerne 3 0 4 Siemens Metering AG H 71 0200 0015 en ist edition User manual S2AS 100 200 Solid State Single Phase Meter Introduction 5 Programming Interrogation Interface scener 1 5 1 Optical Communication Port EE 1 6 Installation ANd COMMISSIONING cccseseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 1 6 1 tte elle OM EE 1 6 2 Material and tools required ccececeeeeeeeeeeeeeeeeeeeneeeeeeeeeeeeeeeeeeeea 1 6 3 Mounting the meter sie g Eege gekE d geeek ed E EES 2 6 4 Gonnecting meter smani late e ag ete 3 6 5 Check of connections eieiei ere gc 3 6 6 Commissioning and function
25. tion These 2 instances cover the requirement that meter definition single rate double rate shall not be modified once the meter has been certified The meter accumulates energy into the active rate total and profiling registers Each register is maintained to 1 1000 kWh The following diagram illustrates the register model for the meter indicating the main readings available to the customer Total Import Total Export Rate 1 Registers Stored to Resolution Rate3 See only with external Raisas aS eh eee Module ayallablg 3 3 User manual S2AS 100 200 Solid State Single Phase Meter Construction and Function 3 5 2 Auxiliary input terminal The maximum input current on the rate change auxiliary input terminal is 80mA The maximum peak reverse voltage is 500VAC Inputs are ignored until stable for 500ms milli seconds i e 500ms of continuous application of the input waveform or 500mS of continuous non application of the input waveform is required For S2AS 100 and S2AS 200 in order to ensure correct activation of the M WARNING switched rate the AC waveform applied to the two rate switching terminal must be in phase with the circuit which the meter is measuring i e If the meter is measuring Red phase it must be switched by red phase voltage In addition the meter must be programmed for external rate switching as opposed to software rate selection 3 5 3 Total Register A total register holds t
26. tion test console on a test console fitted with a multi secondary voltage transformer which provides for each meter to be tested its own galvanically separated voltage supply Such multi secondary voltage transformers may be fitted to existing test console Multi secondary voltage transformers may be supplied from MTE Meter Test Equipment AG Gubelstr 22 6300 Zug CH Switzerland Phone 41 41 724 24 48 Fax 41 41 724 24 25 8 2 Calibration LED Output Siemens Metering Ltd H 71 0200 0015 en 1st edition The meter is fitted with a red LED which flashes to indicate the flow of metered energy The LED is controlled by the meter software It is disabled during Power down The LED on period is 80mSec The LED emits light in the visible spectrum at a wavelength of between 620nm and 675 nm The brightness from the aperture in the dial plate is not less than 100uCa visible over a cone of at least 30 half angle 8 1 User manual S2AS 100 200 Solid State Single Phase Meter Detection of faults 9 Detection of faults 9 1 Error Messages Three error messages occur on the display These are indicated on the display by the word Error followed by a numeric code Eror PBeasop ss Failure to write to EEPROM Bad checksum on Serial No and calibration data Corrupt Meter registers and backup copies 9 2 Tamper Fraud The meter is equipped with a number of features to enable the detection of fraud attempts Additio
27. ud El eege SSES tariff programming and meter interrogation reading communication LU 1 EE 450 g External Dimensions eege eerie Ai li vlt eu EE 95 mm Ee e case octet Sats ore tact ered at aa eed aee Mes Peete ce AEE 144 mm Na atc tec aks teehee ot arte ED aes ce eet ees ee 54 mm MUISDENSION cine cues leh a ee td ats cal vie VE 119 5 mm eu sot ese ewe Ge a che te ee ca EE 47 5mm i j o ol T gt be 144 119 5 id H 1127 95 49 2 Normal configuration short split terminal door Option available with long terminal door 1 7 User manual S2AS 100 200 Solid State Single Phase Meter Description of unit 1 2 11 Connections Terminals We TYG aee ee dek screw type terminals e Diameter leidt EIN 8 5mm Geet WE 9 5 mm e Crew GIMENSIONS civic tege A eet M6 x 14 head diameter EEN max 6 6 mm eil EE type Z size 2 to ISO 4757 1983 Se WEE 0 8 0 2 0 06 mm e Tightening Biere ET max 3 Nm Terminal block front view Module port The module port provides line and neutral connections for the supply to the external module The module port power consumption will be recorded by the meter The acces could be proteted by a lead or a brass seal Terminal block below view Connection diagram Tariff control 1 8 Siemens Metering AG H 71
28. ure The normal initialisation procedure will be divided broadly into two parts dependent whether the restart is from a break in power or as a result of a reset pulse only e g watchdog reset or false reset due to noise On Power Up The meter monitors the supplies at power up and commences metering within 4 seconds of application of power within operating limits An hour counter is registering the operating time of the meter This counter is zeroed during product initialisation and is incremented at the end of each hour The register has a 20 year capacity before overflow The active rate as determined by the external contact current rate register and pulse register are restored from EEPROM and verified The meter begins its Creep test if enabled by the tariff software The LED is turned ON and the Creep annunciator shall flash until a meter pulse has been detected On False Reset A processor reset does not affect RAM There is no need to re initialise data as above The processor keeps track of false resets 3 3 Power Down Operation 3 2 The presence of power to the unit is indicated by more than three voltage peaks in a period When the unit detects power failure the meter will enter the Power Down routine The purpose of this routine is to ensure that all critical data is stored safely in EEPROM record power loss false reset data and power up hours Once the supply has been detected as removed an on board capa
29. ycles round all the displays that are enabled The rate of cycling of each display item is programmable in 1 second steps up to 16 seconds per display item Upon the application of power to the meter the start up display sequence is initiated After 30 minutes the display sequence reverts to the Normal display sequence The display items and cycling rates of the startup and normal displays are separately programmable via the configuration software The annunciators indicate which rate register is currently being viewed A custom liquid crystal display provides all user information No user input is required The LCD display consists of a 6 digit seven segment display and several annunciators A table controlling the display sequence is stored in EEPROM as part of the meter configuration and can be made programmable via the opto port It can also be locked so that a meter is delivered into a non modifiable configuration one or double rate etc This table contains a list of the display options selected for that meter configuration A variety of information is presented on the LCD display Some parameters are shown digitally while others are indicated by means of annunciator symbols Total iia Rae Annunciators Creep Annunciator m Reverse Detect XARA bid w 000850 4 1 2 Normal Displays Siemens Metering Ltd H 71 0200 0015 en ist edition Displays of register contents etc are shown using a six digit display Annunciator chevron
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