Multitariff Combi Meter EPQM - Elgama
Contents
1. ee o G S WIA A A HH 1 2 3 4 5 6 7 8 9 11 20 21 14 16 13 23 15 17 19 18 33 22 o 4 P P Q Q Ty T eg Electronic Pulse Outputs A e Figure 10 4 3 wire meter connection via current and voltage transformers Electronic pulse output Receiver signal Figure 10 5 Connection of external devices to the electronic test pulse outputs Tm P P Q Q U not exceeding 24 0 V I not exceeding 30 0 mA EPQM Source of EPQM Source of Meter gt R pulses Meier JL SR pulses HA A Ee LA 21 21 Figure 10 6 Connection of an external device to the pulse input R communication line impedance 0 1 2 kO U output voltage 12V 20 current e The recommended connections of external devices to the electronic pulse outputs Tu P P Q Q are shown in Figure10 5 e The current from the external device is fed into the current loop interface The current loop circuit current is equal to 20 mA maximum permissible voltage 27 V e The recommended connection to the telemetry input are shown in Figure 10 6 e Regular calibration of the meter is recommended once in 8 years e The meter can be repaired only by natural or legal persons authorized by the manufacturer 42 Multitariff EPOM Meter of A2. There are three possible options of daylight saving changes e If both time values are equal to 00 00 00 00 no adjustment is made e f time format MM 00 00 00 is entered the adjustment to winter time is made automatically on the last Sunday of the month specified during the parameterization from 2 AM to 3 AM the adjustment to summer time is made automatically on the last Sunday of the month specified during the parameterization from 3 AM to 2 AM e If time format MM DD hh mm is entered the adjustment is made on the specified day of month at the specified time Note both date and time formats for adjustment to winter summer time and summer winter time must match 2 2 7 Liquid crystal display LCD The meter has an alphanumerical 32 symbol two line LCD for data output The manual data scrolling to the display is initiated by affecting HPS with long gt 2 sec and short lt 0 5 sec light pulses LCD with backup lightning are available upon a special request 10 Multitariff EPQM Meter of Active and Reactive Electrical energy User Manual 2 3 Communication Interfaces EPQM meter has standard optical and current loop interfaces for data exchange with external units 2 3 1 Optical Interface D0 This interface is used for stored data downloading to the local PC LZPEMS software is required or Hand Held Unit and for meter parameterization The optical interface communication protocol complies with IEC 62056 21 Standard The
3. q q The energy consumption of a day for each tariff time zone and total consumption of all tariff time zones for each kind of energy of the last 35 days W AN Q Q The energy consumption of a month for each tariff time zone and total consumption of all tariff time zones for each kind of energy of the last 15 months W AN Q Q The total energy for each tariff time zone and total energy of all tariff time zones for each kind of energy A A R R The meter failures power failures phase number changes clock failures ant other kind of failures the number of external magnetic field influences total duration the date and time of the last influence The meter parameters The present day month data are discarded 2 When data are displayed while the meter is disconnected from the electrical network 85 02 21 will be always displayed instead of the date of the last voltage restoration the displayed time will be the same as that of before the last restoration of voltage Note While the meter is powered by the external backup power a sign is displayed instead of a quadrant mark arrow 32 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 7 Communication The meter can be connected to a personal computer or a portable data exchange terminal via optical or current loop communication interface therefore enabling data exchange between the meter and the computer Communicat
4. Multitariff Combi Meter EPQM User Manual Version 1 1 ELGAMA ELEKTRONIKA Ltd Vilnius Lithuania Multitariff Combi Meter EPQM User Manual 2004 ELGAMA ELEKTRONIKA Ltd The manufacturer reserves the right to change the contents of this publication without prior notice No part of this publication mav be reproduced or transmitted in anv form or bv anv means without the prior written permission of ELGAMA ELEKTRONIKA Ltd All rights reserved O 2001 ELGAMA ELEKTRONIKA Ltd The Document History Title User Manual of EPQM Electronic Meter Version Date Description Original version March 2000 Initial description of EPQM meter A Revision August 2001 Appended EPQM meter user manual Contacts ELGAMA ELEKTRONIKA Ltd Phone 3705 2375 020 Fax 3705 2375 022 E mail info elgama It Visoriu g 2 Vilnius LITHUANIA User Manual Table of Contents 1 Purpose and KE TEEN 7 2 DOSIQM EE 8 E d EE 8 2 2 Electronic circuits and operation principles AAA 9 2 2 1 Measurement module eee 9 2 2 2 Analogue Signal Conversion L 9 2 2 3 Digital Signal Process iii 10 E Genital Processor T oeiee eree eena eee eae aeea aeaee reee aaeeei ae 10 220 HE 10 LLO nternal clock EE 10 2 2 7 Liquid crystal display ECD E 10 2 2 KEEN EIDEL EES EE 11 2 3 1 Optical Interface DO EE 11 2 3 2 Current Loop Interface e EE 11 2 3 3 Auxiliary Communication Interfaces snin nn 11 2 4
5. 6 2 7 2 Calendar Menu EE 30 6 2 7 3 Special Days Menu 30 6 2 7 4 Measurement Constants Men 30 6 2 7 5 Telemetrical Constants Menu 31 6 3 Data Display When the Meter is Powered by the External Backup Power Supply 32 EE 33 7 1 Data Transfer via Optical Interface DO 33 7 2 Data Transfer via Current Loop Interface CL 34 7 3 Data Transfer via Auxiliary Current Loop Interface CL2 nn 34 7 4 Data Transfer While the Meter is Powered by the External Backup Power Supply 35 8 Parameterisation and Data Delete leia 36 9 Meter Data tad o JI Ta i EE 38 9 1 Physical Protection of Data and Parameters 38 9 2 Software Protection BEE 38 SEELEN 38 D Commiunicationi Protecti n a A a GA 38 92 EVEN di A tad mv d ml nd aad mita mita im tai mai IR 38 10 Transportation and Installation eee 40 10 1 H ln len 40 10 2 General Requirements and Installation Procedure eee 40 TORA tr IR TARA TA ote PR 43 10 5 Transportation and Storage 44 10 6 Warranty TEMAS iii A A At 44 11 NFA Repositorio 45 1 N I Error AA A A DON 45 1V2 Other ii AAA A e e AAA TAE RARA E BARA TAR LAA EA TAR 45 let EE 46 APPO DI i ia AAA 47 ADE a a A a a A ee 48 6 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual Caution Warrantv shall not applv to anv meter which has been subject to incorrect installation or neither use not in accordance with instructions therefore read this EPQM met
6. The Meter Inputs and Gut QU uli kai Ebda ps fk ENEE 11 2 4 1 Optical Test RI iria IRA EA AAA l nn nnn 11 2 4 2 Electronic Pulse el TC 11 2 4 3 Electronic F dlse lee E 12 ZAA Relay Output MKD eet A A 12 2 4 5 Terminals for External Power Guppiy nnn 13 2 5 O Tees UT 13 2 6 Direct Alternating External Magnetic Field Sensor AAA 13 MOSS E EN EE 14 3 1 Measurement Quantities eee eee 14 3 2 Power Measurement eee eee eee 15 3 2 1 Instantaneous Power Measurement eee 15 IZ DEN A ES e 15 3 2 3 Maximum demand EE 16 3 3 Energy Measurementi ee 16 3 4 Power Factor Cos p Calculation 17 A TATI esa a p KA a Pia Fa a ba nia ET Ga Ma SEA Sanf at dad G ff KAZ inal 18 e 2 DE ue I 17 a e E AEE AEE AAE ACE AAE AAE A AE A a E 18 42 Dav En EI 19 ee EI 19 AO ASIN E 19 4 5 Public holiday Calendar ss 20 4 5 1 Fixed Public ele EEN 20 4 5 2 Special Public holidays 00 os 20 9 Dala ere 21 6 Data Indication on the DIS PY A od 22 6 1 Cyclical Indication Mode GIM EE 23 GER Menu ee EE 23 Multitariff EPOM meter of Active and Reactive Electrical Energy 5 User Manual 0 2 1 Additio al STs A srd srce neee eioi e aE TAE A EE AA e EEEE 23 6 22 Main MOM EE 24 6 2 3 Active Active Reactive Reactive Menus se eee 24 ELA MIEG U EE 26 6 2 5 Instantan Menu i iii a KA a lj d nennen 26 E 7 Fallires OTTEN 27 6 2 7 Parameters gt Meno nea a a a a 28 TO A Tans E E L A senis eo be 29
7. The initial long light signal 72 sec stops the cyclical indication and a message Active appears on the screen see Figure 6 1 Options from 2 to 4 and from 01 to 04 Active Reactive Reactive Wtm Instantaneous Failures Parameters can be called in a sequence by short light signals lt 0 5 sec After the desired option is chosen it can be called by long light signal In the Figures below thin arrow means short light signal lt 0 5 sec and bold outlined or dash line long light signal gt 2 sec Two dots at the menu name mean that this menu has its own submenus which can be called by long light signal Active Active Pe a Reactive E aw ATI ATI ATI Y 03 Failures lt 02 Instantan lt 01 Wtm 01 06 ATI 000000 00 04 Parameters 96 04 06 16 50 lt Figure 6 1 The main menu 6 2 3 Active Active Reactive Reactive Menus All these options are the same A desired parameter 11 16 41 46 can be called short light signal Detailed data on the selected parameter group can be selected by long light signal After the option is selected an arrow appears instead of two dots Further on the power values of various tariff zones or integration periods with the same date can be selected by short light signals indication date can be changed by long signals Once the message END is displayed a short signal brings back to the beginning of the review a
8. User Manual 4 2 Dav Schedule The tariff change is performed bv the module according to the dav schedule Dav schedule specifv time intervals when one or another specific tariff is active Up to 16 time intervals can be set in anv day schedule Up to 4 tariff activity time intervals can be set for each tariff If a certain time interval is not assigned to any tariff zone energy and maximum demand values are automatically assigned to tariff T4 The day schedule begins at 00 00 An example of day schedule for work days Table 7 applied 07 08 T2 08 11 4 3 Week Schedule The week schedule specifies which dav schedule should be activated certain dav The week schedule recognises each weekdav weekends and public holidavs There can be as manv week schedules as tariff seasons 4 4 Seasons A vear is divided into tariff seasons A season specifies which week schedule is activated during a certain season EPQM meter allows setting up to 5 seasons A season is described by its start and end dates The seasons are marked with letters A B C D E and priorities are established If during the parameterization validitv of seasons is specified so that several seasons overlap during the period of overlap a season marked with a letter closer to the beginning of the alphabet is activated Days of a year that are not assigned to any season are automatically assigned to E season Example A season is active from 10 01 to 03 31 B season is a
9. 12 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 2 4 5 Terminals for External Power Supplv optional External power supply 12 18 V DC can be connected to the meter Such a backup supply is used for data reading in case of electrical network failure or after the meter is disconnected from the electrical network No more than 200 mA current is used by the meter using such backup power supply Once an external power supply is connected the data stored in the meter can be displayed on LCD or transmitted via any communication interface The external power supply connection diagram is provided in the meter datasheet After the backup power supply is connected a sign appears on the left side of second row of LCD instead of arrow Notes e lt is not mandatory to disconnect the backup power supply after the meter has been connected to the electrical network e External backup power supply terminals can be included in the meter upon a separate request only 2 5 Power Supply The components of the meter electronic circuits are powered by pulse power supply It ensures smooth operation within the permissible voltage range from 20 to 15 of nominal network voltage The power supply protects the meter from brief lightning type voltage surges and is not associated with any single phase so the meter is operating as long as there is voltage at least in one phase A special circuit checks its voltage and i
10. 13 frequency quadrant Note data transmission protocols and baud rates are described in chapter Communication Interfaces see Chapter 2 3 34 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 7 4 Data Transfer While the Meter is Powered by the optional External Backup Power Supply If the main power supply is disconnected the data can still be transferred via optical or current loop CL1 interface provided the external backup power supply is connected The following data can be transferred via both interfaces All demand values stored in the memory P P q q All day maximum demand for each tariff time zone P P q q All month maximum demands for each tariff time zone P P q q All day energy consumption during 24 hour for each tariff time zone and total values for each kind of energy stored in the memory W W Q Q All month energy consumption during a month for each tariff time zone and total values for each kind of energy stored in the memory W W Q Q Total accumulated energy consumption for each tariff time zone and total values for each kind of energy A A R R The meter failures power failures phase number changes clock failures external magnetic field influences The meter parameters The integration periods with no network voltage are assigned to zero values If the meter has not been connected to the network voltage for the last 12
11. can be set for each tariff These intervals can be called by short light signals The detailed sequences of these menus review are shown in Figure 6 7 04 P In net 00 0 01 01 00 00 04 A tariffs 10 01 03 31 04 Atl Inti 04 Att Int2 04 At Int4 204 Ati Valid on 04 Att Valid on gt 08 00 10005 18 00 20 00 00 00 00 00 Days 12345 P END IL dt IL IL 1 04 AG Inti 04 AR w 04 Ap int 04 At2 Valid on 9704 AG Valid on d 07 00 08 00 11 00 18 00 00 00 00 00 days 12345 END l L il il L 04 A Inti 04 Ap n2 gt p04 ap nid 1 04 A Vaidon N A Vaid on 07 00 23 00 00 00 00 00 00 00 00 00 Days 678 END 1 IL i IL y L IL 04 AH Intl 04 AN Int2 d 04 M inta 04 At4 Valid on 9704 At4 Validon 23 00 0700 00 00 0000 00 00 00 00 days 12345678 END mm 04 B tarifs gg EE deeg L EE EE gt 05 01 08 31 Figure 6 7 The A Tariffs menu Multitariff EPOM meter of Active and Reactive Electrical Energy 29 User Manual 6 2 7 2 Calendar Menu Public holidays specified during meter parameterization can be displayed in this menu The day review sequences are shown in Figure 6 8 04 E tariffs ka Calendar 00 00 00 00 jigi Calendar 04 n e Pepe
12. maximum baud rate is 9600 bps For more information on data transferring via this interface see chapter 7 Communication 2 3 2 Current Loop Interface CL1 This interface is used for data downloading to remote PC via local network and remote meter parameterization The current loop interface complies with IEC 62056 31 or IEC 62056 21 communication protocol If baud rate via current loop interface is specified during meter parameterization IEC 62056 31 protocol is used in other cases IEC 62056 21 protocol is used The maximum baud rate using IEC 62056 31 protocol is 19200 bps For more information on data transferring via this interface see chapter 7 Communication Notes e Is impossible to use both optical interface and current loop interface CL1 for data transfer concurrently The data are transferred via the interface first connected to If a request arrives simultaneously to both interfaces the optical interface has higher priority e In order to organize communication via current loop in local network special software for PC is required 2 3 3 Auxiliary Communication Interfaces optional The following auxiliary communication interfaces can be built in upon request e Current loop interface CL2 is used for instantaneous data transferring lt operates independently from other interfaces e Electric interface RS 485 M BUS interface 2 4 The Meter Inputs and outputs 2 4 1 Optical Test Output The optical Test outp
13. months all month values are equal to zero While the meter is disconnected from the electrical network 85 02 21 will be always displayed instead of the date of the last voltage restoration displayed time will be the same as that of one but last voltage restoration Multitariff EPOM meter of Active and Reactive Electrical Energy 35 User Manual 8 Parameterization and Data Deleting The meter can be parameterized via optical or current loop CL1 upon request interfaces ELGAMA ELEKTRONIKA software must be used for parameterization Table 15 lists the constants that can be entered into the meter during parameterization Date and time of the last 10 parameterizations current and voltage transformation factor product and the group code of edited parameterization constants are stored in the memorv In dependence of the group of edited parameterization constants the following data is to be deleted from the memorv stored demand values P15 30 60 day maximum demand Paay and month maximum demand Pmonn day energy consumption Waay and month energy consumption Wmonth see Table 15 The parameterization is enabled only after entering correct password If incorrect password has been entered 4 times in turn in a day the connection interface is locked and no password whether correct or not is accepted for the further 24 hours The message Bad password 4 will appear trying to connect with the meter during the lockout period The parameterizat
14. not exceed it is entered into the integration period register oniv The integration period is svnchronized with the beginning of a day It is not possible to change tariff during an integration period therefore the tariff change cannot abort the integration period The only way to abort the integration period is the power supply failure In such case the protection circuit activates and data calculated during the present integration period are entered into EEPROM unit Thus data are not lost and the power having been restored the processor continues calculation according to these data Multitariff EPOM meter of Active and Reactive Electrical Energy 21 User Manual 6 Data Indication on the Displav EPQM meter allows two modes of accumulated and instantaneous data displav e Cyclical scrolling mode e Manual scrolling mode In order to display the main meter data on LCD HPS is activated by light signals If HPS does not receive any light signals the meter switches to the cyclical indication mode after a minute Light signal no shorter than 2 seconds activates menu mode immediately Together with parameter value the following data are displayed on LCD parameter index abbreviated parameter name and value date mark are shown on the first line load quadrant tariff to which reiterated data are assigned and value with exponent are shown on the second line The parameter index is a decimal number consisting of two digits X and Y Their value
15. power is average power calculated over a second Instantaneous active and reactive power values for each phase are calculated by formulae 1 and 2 S U d Pe 1 i 0 n L U I L A gt 2 i 0 n U instantaneous phase voltage U instantaneous phase voltage with phase shift of 90 I instantaneous phase current n number of voltage and current measurements in a second n 19200 The instantaneous apparent power S is calculated bv the formula 3 S P 0Q 3 Total power of all phases Ps Qs is calculated by arithmetically adding power values of all phases P P P Po Os Q 0 00 4 3 2 2 Demand EPQM meter measures demand Integration period time period during which average values of powers are calculated Demand average value of power throughout the integration period On the meter display the integration period for active energy is marked by P15 P30 P60 the integration period for reactive energy is marked in the similar way Q15 Q30 and Q60 Demand P 15 30 60 and Q 15 30 60 is calculated by the formula Multitariff EPOM meter of Active and Reactive Electrical Energy 15 User Manual AE 3600 AE 3600 74 5 At Q At P AE energy consumed since the beginning of integration period kWh or kVArh At number of seconds passed since the beginning of integration period EPQM meter allows selecting one of three from the three in
16. product of mantissas of voltage and current transformation coefficients must be no bigger than 100 Telemetry constants M OUT Q pulse value pulse kWh from 1 to 65530 M OUT M pulse value pulse kWh from 1 to 65530 On the test output P or Q pulses L T TM OUT P pulse value pulse kWh from 1 to 65530 T T Date of parameterization Parameterization accomplished bv Signature and stamp of authorized person Multitariff EPOM meter of Active and Reactive Electrical Energy 49
17. range 0 1 Multitariff EPOM meter of Active and Reactive Electrical Energy 47 User Manual Appendix C The Example of Parameterization Data EA L A jj AT pI EAS jp Number of data resets via optical interfase ____________ Number of data resets via current loop interface Integration period End of billing period ooo Baud rate in the network Relax activating tariff PT Tariffs Designation the beginning and the end of seasons month day A B C E Tariff From From From From From to to to to to zone from S from davsof from P as EH from E to to week to iki SE SR E kul b b taa et A AAA A EA EAS Dee EE ge ee ee A HH e Day time intervals not included in the table are assigned to the T4 tariff by default Year days not assigned to any season are assigned to the E season by default The season priorities A the highest E the lowest 48 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual Public holidavs EE ASES ENE AAA 1 02 05 08 1 OE ESE EAN pa Special public holidays Year Month Day Year Month Day Year Month Day Year Month Day Daylight saving Date and time of correction changes Winter summer S d E Summer winter Clock correction from 5 s to 5 s daily A Measurement coefficients Current transformation coefficients Note the
18. 01 06 11 gt 14 W24h gt 01 06 11 A T1 00052 9380 AT2 00164 560 E 14 W24h gt 01 05 08 14 W24h9 01 05 08 gt ATI 00050 560 AT2 00143 980 Le EE 15 Wmnt 01 06 4 A T1 01229 710 15 Wmnt gt 01 06 ATI 00495 220 AT2 01229 710 IL IL 15 Wmnt gt 01 05 15 Wmnt gt 01 05 ATI 0124502071 AT2 03536 320 JL L MM CM IL 15 Wmnt gt 00 04 15 Wmnt gt 00 04 ATI 00629 320 AT2 01452 860 16 Wiot ATI 00006326 END Active ATI gt Set gt gt 16 Wtot gt A T1 27170 145 AT2 70477117 Active gt gt 23 30 00005 561 24 00 00006 120 END IL IL IL IL 11 P30 01 04 04 gt 11 P30 gt 01 04 04 y 11 P30 gt 01 04 04 END 23 30 00011 102 24 00 00012 000 TEPOS DIED E E EE a Ge ER Lis END 12 P24h gt 01 06 12 12 P24n gt 01 06 12 12 P24n 01 06 12 12 P24h gt 01 06 12_ 12 P24h gt 01 06 12 ATI 00023 616 WT2 00022 056 gt aa 00000 000 AT4 00010 760 END Ee L i L l L l 12 P24h 01 06 11 12 P24n gt 01 06 11 12 P24h9 gt 01 06 11 12 P24h gt 01 06 1 H 12 P24n gt 01 06 11 ATI 00019 4967 AT2 00022 840 gt AT3 00000 000 AT4 00006 120 END l K H E 5 12 P24n gt 01 05 07 l 12 P24n gt 01 05 07 12 P24n gt 01 05 07 12 P24n gt 01 05 07_ 12 P24h gt 01 05 07 gt END l AT 00020 016 AT2 00020 76 gt AT3 00000 000 gt AT4 00012000 o ee ee eee T2 Peatr gt 01 05 0 13
19. 04 Janua J 04 YD 00 01 07 06 04 YD 02 02 03 14 gt o y gt END 1 01 01 09 15 03 03 06 05 IL IL l 04 Februarv 04 February d 16 END 1 04 VD 28 12 03 06 04 YD 26 10 02 13 L il 29 13 01 15 27 11 08 10 O4 November i104 November 04 YD 30 15 06 03 _ 04 YD 31 16 11 25 01 END gt L 31 16 11 25 END 04 December gt 04 December l 04 Summertime d 25 26 END 1 me IL 00 00 00 00 04 Special E Days y Figure 6 8 The Calendar menu Figure 6 9 Special Days menu 6 2 7 3 Special Days Menu Special public holidays see Chapter 4 5 2 specified during meter parameterization can be displayed in this menu The data review sequences are shown in Figure 6 9 6 2 7 4 Measurement Constants Menu Meter measurement constants such as transformation or calibration coefficients can be displayed in this menu The possible data review sequences are shown in Figure 6 10 30 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual y 04 Ext port 9600 baud 04 Measuring constants IL 04 U transform gt 04 l transform g 04 TM pulse gt 04 TM pulse 04 U L1 setup coef 1 00E0 coef 1 00E0 value 10000 index coef 3CE13F37 d 04 U L2 setup mi U L3 setup 4 04 l L1 setup e 04 l L2 setup 04 l L3 setup coef 3CEO7BD4 coef 3CEQACD6 coef 3A1B1D1B coef 3A1B588A coef 3A1B103A 04 l L3 setup END 04 Telemetr
20. All month consumption values of active and reactive energy of both directions during a month for each tariff time zone T1 T4 exponent and value Energy consumption Total active positive and negative total reactive positive and negative for each tariff time zone and total consumption for each energy kind since the factory parameterization exponent and value Values of the present and last month calculated according to pulses received from pulse input for each tariff Instantaneous values P1 P2 P3 Q1 Q2 Q3 U1 U2 U3 11 12 13 frequency quadrant Voltage failure array data on the last 10 voltage failures date and time of failure beginning and end Data on the last 10 phase number changes date and time of the failure and flag of the failed phase The number of additional magnetic field influences date and time of the last influence and the total duration Values demands of the present and last integration period P P q q exponent and value Maintenance information the number of parameterizations date and time of the last parameterization date and time of start up current date and time The meter parameters 7 3 Data Transfer via optional Current Loop Interface CL2 The following data can be transferred via optional current loop interface Date time status word integration period duration flag meter connection three four wires flag Instantaneous values P1 P2 P3 Q1 Q2 Q3 U1 U2 U3 11 12
21. Pmnt gt 01 06 13 Pmnt gt 01 06 p 13 Pmnt gt 01 06 E T3 00009 7207 T4 00011 7007 END il E i 13 Pmnt gt 01 05 13 Pmnt gt 01 05 13 Pmnt gt 01 05 gt am 00021 176 T4 0001422077 END x x 13 Pmnt gt 00 04 13 Pmnt gt 00 04 13 Pmnt gt 00 04 gt END cz RE AT3 EE CR gt 14 W24h gt 01 06 12 14 W24h gt 01 06 12 144 W24h gt 01 06 12 ATA 00035 080 ATE 00244 880 END 4 L a lil gt gt 14 W24h gt 01 06 11 14 W24h gt 01 06 11 gt 14 W24h gt 01 06 11 AT4 00029 070 ATE 00246 560 END JL IL L ILL 14 W24 gt 01 05 08 gt gt GR 05 08 14 W24h gt 01 05 08 END D T ATE 002007 eea Ei gt 15 Wmnt gt 01 06 l 15 Wmnt gt 01 06 gt 15 Wmnt gt 01 06 ATA 00479 170 ATE 02372 410 END il il gt 3 15 Wmnt gt 01 05 15 Wmnt gt 01 05 _ 15 Wmnt gt 01 05 ATA 01220 280 A TE 06501 439 END IL L L 15 Wmnt gt 00 04 15 Wmnt gt 00 04 IT gt gt Zu 01514330 gt IL 15 Wmnt gt 00 04 ATE 04491 720 Lan wm em pe pn bm e ln en pn a pe pn rn E pn pm pelen rn pm gt END Multitariff EPOM meter of Active and Reactive Electrical Energy AI ee ee ea ae 4 gt gt 16 Wtot gt 16 Wtot gt 16 Wtot gt AT4 51747 891 ATE 177702 438 END 4 eegener Figure 6 2 The Active menu 25 User Manual 6 2 4 Wtm Menu Values of present and last months calculated according to pul
22. a Pc and qa Op qc 2 2 4 Central Processor Unit The calculated data are transmitted from DSP unit to RAM unit at a frequency of network period The central processor unit CPU reads the data and carries out the final calculation of power energy and effect values CPU also acts as a controller of memory units LCD and communication interfaces generates LED signals and performs other functions 2 2 5 EEPROM Unit All meter data and parameters are stored in EEPROM unit with exception of instantaneous values The electrically erasable programmable read only memory unit does not require any power supply for data storage The data are written to the memory at the end of each integration period and in case of power failure 2 2 6 Internal clock The meter has a built in independent real time clock that counts real time hours minutes seconds date year day week day generates control signals corresponding to 4 tariff time zones T1 T4 In case of power supply failure the clock is powered by Lithium battery In case network power is of the clock preserves tariff time zone control function for 12 months and counts time at least 10 years If the meter is supplied on the expiration of that period it operates in single tariff mode and data are assigned to T1 tariff zone The clock has automatic leap year and daylight savings time adjustment The dates and times format MM DD hh mm of changes are entered during meter parameterization
23. ainst the meter optical interface and connect its socket into the PC s COM1 or COM2 port see Figure 10 7 If the meter has been in use download the accumulated data Enter new parameterization data according to the operating conditions Enter date and time Ensure that the entered parameterization data is correct See Figure 6 6 Parameterization menu ES VILNIUS REAKTWWOJI Bt 33 galk q Photo sensor for Seal for comm Photo sensor for Optical interface of LCD handling blockage Comm Unblock the meter optional optional Figure 10 7 Location of the control photo sensor and the optical interface connection on the meter panel Multitariff EPOM meter of Active and Reactive Electrical Energy 43 User Manual 10 5 Transportation and Storage 10 5 1 Before the installation the meter must be stored indoors in deliverv or transportation package The permissible temperature range is from 5 C to 40 C the maximum permissible relative humidity 80 at 25 C No aggressive gas or vapour is permissible in the storage premises 10 5 2 On shelves or racks the packaged meters can be stored in stacks of no more than 5 packages in height at the minimum distance of 0 5 m from heating appliances 10 5 3 Unpacked meters can be stored in the repair shop only They can be stacked no more than 5 devices in height with inserts to separate them The permissible temperature range is from 10 C to 35 C
24. al damages or loss of profit or for expenses sustained as result of a meter malfunction incorrect application or adjustment 44 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 11 Failure Reports 11 1 Error Reports Table 17 Warning Possible reasons Measures Bad constants Incorrect parameterization of damaged meter Carry out the parameterization If the warning still appears replace the meter TIN The meter operates as a single tariff device recording total energv Set data and time and other parameters if necessarv with the help of PC NI Time Clock failure Set data and time Bad batterv Low lithium batterv voltage Replace the batterv Bad password 4 4 parameterization attempts using wrong password in 24 hours The interface will be automatically unlocked after 24 hours Serial protected comm Interface protection system still active Light the unblocking photo sensor for 1 second using a flashlight 11 2 Other Failures Table 18 Warning Possible reasons Measures The pulse LED indicator Damaged meter Replace the meter flashes when there is no load The meter records too Wrong connection Check the connections big small demand Internal failure Replace the meter No messages on the screen Power supply failure Damaged screen Check power circuits Replace the meter D
25. ameters are the following Table 2 Parameter Parameter value Output circuit impedance when the transistor is closed No less than 200kQ Output circuit impedance when the transistor is open No more than 500 Switching voltage No more than 24V Switching current No more than 30mA Pulse Constant pulse kWh pulse kvarh From 1 to 65530 Pulse duration ms From 10 to 250 Pause between pulses ms From 10 to 250 Those constants are specified during meter parameterization via optical interface Note the correspondence of the kind energv signals to specific outputs is specified in the meter datasheet 2 4 3 Digital Input SO EPQM meter can register signals sent bv an external device no external voltage required The data received via this input are stored in a separate register Thev can be reviewed or transferred together with other meter data The pulse input parameters are the following Table 3 Parameter Parameter value Those constants are specified during meter parameterization via optical interface 2 4 4 Relav Output MKI The relav output can be programmed so that relav can operate in anv one of the 4 tariff time zones The relav operation zone is specified during meter parameterization The relav output parameters are the following Table 4 Parameter Parameter value Maximal voltage switching bv the relav s contacts No more than 250V Switching current No more than 2A Switching power No more than 30VA
26. cal constants y Figure 6 10 The Measurement Constants menu 6 2 7 5 Telemetric Constants Menu Meter pulse outputs and inputs such as pulse input and outputs constants specified during meter parameterization can be displayed in this menu The possible data review sequences are shown in Figure 6 11 04 Measuring constants 04 Telemetrical constants 04TM OUT pulse 04TM OUT pulse IL 04 TM IN pulse gt 04 TM_IN pulse width 30 pause 30 width pause ika 04 Metrological 04TM OUTM pulse 4 04TM OUTQ pulse e 04TM_OUT P pulse Output P value 10000 value 10000 Value 10000 04 Telemetrical END EX 04 Parameters END Figure 6 11 The Telemetry Constants menu Multitariff EPOM meter of Active and Reactive Electrical Energy 31 User Manual 6 3 Data Display When the Meter is Powered by the optional External Backup Power Supplv When the network voltage is off the data can be displaved on the screen if the External Backup power supplv is connected The following data can be displaved Demand P P q q values of integration periods of the last 35 70 or 140 when the duration of the integration period is respectivelv 30 or 60 min davs including the present The maximum demand of a day of the last 37 days for each tariff time zone P P q q The maximum demand of a month of the last 15 months for each tariff time zone P P
27. ctive and Reactive Electrical energy User Manual 10 3 Start up 10 3 1 After the meter power supplv is on a message Power on Reset Initialization passed is displayed briefly about 1 second Then the following data is displayed date time active tariff quadrant winter summer time flag season flag 10 3 2 The power supplier representative commissioning the meter shall perform the following actions check whether the factory parameterization data correspond to the meter operating conditions the factory parameterization data are specified in Appendix C fill in the parameterization data table on the meter datasheet sign the meter commission certificate enclosed with the meter datasheet 10 3 3 If the factory parameterization data does not correspond to the operating conditions different tariff time zones transformation factor telemetric constants telemetric pulse parameters the meter parameterization procedure must be performed see Chapter 10 3 5 10 3 4 If the factory parameterization data correspond to the operating conditions it is sufficient to write in the customer code password and start up date and time 10 3 5 The order of parameterization Fill in the parameter template on a personal computer for more information on PC operation and parameterization data preparation see relevant separate manuals Ensure that the PC displays proper date and time Correct if necessary Place the optical head ag
28. ctive from 05 01 to 08 31 C season is active from 04 01 to 09 30 The seasons B and C overlap but season B has a higher priority therefore season C is active from 04 01 to 05 01 and from 09 01 to 09 30 and B season is active from 05 01 to 08 31 Multitariff EPOM meter of Active and Reactive Electrical Energy 19 User Manual 4 5 Public holidav Calendar There are two public holidav registers in the meter memorv During meter parameterization davs that shall be marked as public holidays are written into them Such days are marked as 8 day of a week in the parameterization tables There two tvpes of public holidavs e Fixed public holidays These are public holidays that are celebrated on the same day year after year such as Christmas state public holidays etc They are entered into the fixed public holiday register by specifying month and day e Special public holidays These are public holidays celebrated on different day of a month each year Such public holidays are entered into the shifting public holiday register by specifying year month and day When a new day begins the meter addresses to the public holiday registers and checks whether that day is in the public holiday list If the day is specified in either public holiday list the tariff module activates day schedule for public holidays 8 day of a week 4 5 1 Fixed Public holidays The list of fixed public holidays is specified during meter parameterization and entered
29. d to a necessary level by an amplifier 2 2 2 Analogue Signal Conversion From the measurement module analogue voltage and current signals further go to a Sigma Delta integrator which converts the analogue signals into digital 16 bit codes about 400 times during a single AC period Thus each converter forms 19200 digital 32 bit codes per second There 16 bits hold for current value description and 16 voltage value description in each code Codes of each phase generated by the analogue digital converters are received by a multiplexer unit MUX which combines them into a single code sequence The set output code contains information about each phase voltage and current values Their order within the sequence is shown in the Table 1 Multitariff EPOM meter of Active and Reactive Electrical Energy 9 User Manual Table 1 Phase Li Phase L2 Phase L3 U code code U gt code L code U code L code 2 2 3 Digital Signal Processor MUX output code sequence is further processed by the digital signal processor unit DSP During the factory parameterization DSP calibration constants such as power transmission factor of each phase sensitivity threshold and pulse output constants are entered The codes undergo mathematical processing with those constants applied The processor then calculates square voltage square current and active and reactive power values for each phase Ba Pe Pc U A U s U c Pa P
30. er manual carefully and be sure you are well familiarized with this information before you start perform any action installation parameterization etc with meter 1 Purpose and features The EPQM meter is a modern multi tariff electricity meter capable of measuring active and reactive electrical energy of both directions The meter is designed for industry and can be used in automatic billing systems or power marketing systems EPQM meter has the following features e Tariff module enabling of creating flexible tariff management programs e Display of the following values instantaneous voltage and current of each phase active reactive and apparent power frequency and cos q transmission of these values via communication interfaces e Measurement of demand profile and maximum demand of day and month e Data are called out on the display by affecting handling photo sensor with the light pulses thus ensuring long term leak proof of the meter and reliability of the controls e Abbreviated parameter label and index shown together with its value e Two independent communication interfaces for remote data transmission e All accumulated data can be reviewed on the display or sent via communication interfaces even network power supply is disconnected There are EPQM meter modifications for 3 or 4 wire networks CT connection only The measurement accuracy complies with the IEC 62053 22 Standard requirements Class 0 5s for active en
31. ergy measurement and IEC 62053 21 Standard requirements Class 1 0 for reactive energy measurement substituting cos with sing Multitariff EPOM meter of Active and Reactive Electrical Energy 7 User Manual 2 Design 2 1 Meter Case The meter panel is covered by transparent cover molded from UV rav stabilized polycarbonate performing several functions e Protection against external mechanical factors e Protection against pressing initialization button The cover is fixed to the case by two sealed screws Meter panel is located under the cover The panel holds all meter information required bv the international IEC 62053 21 Standard Liquid crystal display LCD is located on the frontal part of the meter It allows displaying all values stored in the memorv instantaneous values and parameters Handling photo sensor HPS is located on the lower left In order to displav specific information on LCD HPS must be affected with light signal of specified duration DO optical interface is located on the right side of the frontal part It is used for local data uploading to the PC and meter parameterization There is one more photo sensor on the right of the optical interface for the deactivation of communication block system for communication acc IEC 62056 21 only See paragraph 9 2 2 This feature is optional Base model doesn t includes it Backup power supply Standard 3 6 V Lithium battery is included in the meter for pow
32. ering internal clock in case of main electrical network failure If message Bad Battery appears on the display the battery must be replaced Only the manufacturer or its authorized representative may replace the battery The power and auxiliary terminal block is located on the bottom of the meter All connections having been completed and checked the terminal block shall be covered with sealed cover 8 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 2 2 Electronic circuits and operation principles The meter block diagram is shown in Figure 2 1 DW Photo sensor for LCD control Voltage LED Divider DI Ul o gt igid Crystal ADC 1 Display WS ey Output Electronic lt LES Input Current Transformer Amplifier Voltage Divider U 20 M Electronic Current U CH DSP CPU Pulse Transformer Amplifier X Outputs zH H Voltage Ka Interface Divider CL2 U 30 wo Transformer Amplifier Battery Reference Voltage To Power FLTT NZ Protection Power N Circuits gt Supply Clock RAM ROM EEPROM Figure 2 1 Meter block diagram 40 bCH 40 PC Optical rel E N U xX gt aos Current ADC Li r 2 2 1 Measurement module The measurement module converts the electric network voltage and current values to corresponding analogue signals by voltage dividers and current transformers The current signals are amplifie
33. f it drops below a certain critical value CPU writes vital data on the meter state and measured values to EEPROM After a voltage is on again meter restores its state from the stored data switches tariffs if necessary and carries out measurements further Thus meter data are reliably protected against unexpected results of power failure 2 6 Direct Alternating External Magnetic Field Sensor The meter checks magnetic environment with a built in magnetic field sensor If an additional direct or alternating external magnetic field capable of distorting the measurement results is detected the meter records the duration of effect the number of influences and date and time of the last influence s end Multitariff EPOM meter of Active and Reactive Electrical Energy 13 User Manual 3 Measurements EPQM meters multiplies voltage current energy and power values by the rates of external voltage and current measurement transformers these rates are specified during meter parameterization If an energy or power value shown on the display end with E1 E2 E3 etc it means that the value must be multiplied respectively by 10 100 1000 etc Le the digit following the letter E is an exponent of 10 The value of this exponent is equal to a sum of specified exponents of transformations factors of voltage and current measurement transformers The exponent value increases bv 1 if all 8 displav segments for data output are filled up Units of meas
34. ffs e Total consumption of positive active energy A for each tariff time zone and total consumption of all tariffs e Total consumption of reactive energy R for each tariff time zone and total consumption of all tariffs e Total consumption of reactive energy R for each tariff time zone and total consumption of all tariffs Values of present and last months calculated according pulses received from pulse input Failure data The meter parameters and constants Energy consumption during the present and last integration period Instantaneous values of apparent active and reactive power voltage and current of each phase power factor cos e and network frequency Multitariff EPOM meter of Active and Reactive Electrical Energy 33 User Manual 7 2 Data Transfer via Current Loop Interface CLI The following data can be transferred via current loop interface Date time status word integration period duration flag meter connection three four wires flag All demand values P 15 30 60 of active positive energy exponent and value All demand values P 15 30 60 of active negative energy exponent and value All demand values q 15 30 60 of reactive positive energy exponent and value All demand values q 15 30 60 of reactive negative energy exponent and value All day consumption values of active and reactive energy of both directions during 24 hour for each tariff time zone T1 T4 exponent and value
35. ia communication interfaces Each time the data is read thev are compared to the data read the last time and thus unauthorized access attempts if anv are discovered Multitariff EPOM meter of Active and Reactive Electrical Energv 39 User Manual 10 Transportation and Installation 10 1 The Completeness The meter is supplied to the customer as indicated in Table 16 below Table 16 Name Quantity The Multitariff EPQM meter of active and reactive electrical energy 1 Datasheet 1 User Manual 1 User Manual of Meter Parameterization and Data Readout Upon contract Notes 1 A single copy of User Manual can be delivered with a batch of meters upon an agreement 2 Delivered only to authorized organizations installing and operating EPQM meters according to the contracts concluded with the manufacturer or its representatives 10 2 General Requirements and Installation Procedure Installation uninstallation calibration and parameterization of the meter can be performed only by the authorized persons with relevant qualifications The new parameterization settings has to be done if factorv presets are not in conformitv with the local regulations rules Customer identification code password date and time could be set when procedure describes above completed The details of parameterization settings are described in Meter User Manual and software LZPEMS User s Manual Meter operation failure if sign Error appears on LCD The meter mu
36. ical effects complies with the requirements of IEC 62053 22 IEC 62053 21 Standards The main technical specifications are specified in Table B 1 Table B 1 0 58 10 2 0 Precision Class IEC 62053 22 1EC62053 21 IEC 62053 23 Threshold sensitivity lnom 0 1 0 2 0 3 Nominal current laal 5A or 1A Maximum current lhom 200 Nominal voltage Unom V 3x57 7 100 3x63 5 110 3x69 2 120 3x220 380 3x230 400 3x380 3x400 3x127 220 3x120 208 3x220 3x230 Permissible voltage range 20 15 Of Unom Power consumption voltage circuits current circuit No more than 1 5VA 1W phase No more than 0 3 VA phase Accuracy of the internal clock lt 0 5s 24h at 23 C lt 0 1s 24h at 1 C Network frequency 50Hz or 60Hz Installation location Closed premises free from dust and chemically active gas or vapor Operating temperature Not applicable to LCD from 20 C to 55 C from 25 C to 55 C Atmospheric pressure from 84 to106 7kPa 630 800mm Hg Relative humidity up to 90 t 30 C Protection class 2 Dimensions mm 325x177x55 Weight No more than1 6kg Additional conversion error obtained by converting no less than 1000 pulses received via electronic pulse input to named values 0 05 The maximum permissible additional measurement error while measuring the demand or maximum demand within the normalized load
37. into the fixed public holiday register Such public holidays are celebrated on the same day of a month each year For an example of a fixed public holiday list see Table 8 Table 8 por o4 for J6 Jo 01 o2 ie Jo 08 fs Jn Jj 03 1 06 o3 di dlo 12 2526 4 5 2 Special Public holidays It is possible to make a list of special public holidays or special days Such days are entered into a special days register Each special public holiday is specified by year month and day The register holds up to 32 special days records Any day of a present century can be entered into the list Note day schedules week schedules season activity period and public holidays are specified during meter parameterization 20 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 5 Data Storage The storage of measured and calculated values in memorv units is organized bv CPU Each second the processor reads the instantaneous values from operative memorv unit and calculates average power of the integration period and energv consumption These calculated values are entered into a separate RAM register Newlv read values are added each second At the end of the integration period the demand value is compared to the maximum demands value stored of active tariff If demand value exceeds the older one it is entered both into EEPROM integration period register and day maximum demand register If demand value does
38. ion bi directional data exchange between meter and a personal computer or portable data reading terminal according to the certain communication protocol During the communication procedure it is possible to e download accumulated data and the meter parameters from the meter to a computer or data terminal e perform meter parameterization PC or HHU with special software is required in both cases If there is IEC 62056 21 communication protocol protection system installed in the meter the protection must be deactivated before the communication starts see Chapter 9 2 2 7 1 Data Transfer via Optical Interface D0 The purpose of this interface is to ensure a local data transfer to a portable computer or data terminal and meter parameterization The following data can be transmitted e Demand of active and reactive energy of both directions P P q q e All maximum demands of a day of active and reactive energy of both directions for each tariff time zone Puay Paay Qday Aday e All maximum demands of a month of active and reactive energy of both directions for each tariff time zone Pmonth TPmonth Qmonths Amonth e All values of month consumption of active and reactive energy of both directions for each tariff time Zone VW erg Wmonth FQmontn Qmonth and the total consumption of each kind of energy e Total consumption of positive active energy A for each tariff time zone and total consumption of all tari
39. ion course is described in ELGAMA ELEKTRONIKA software manual If the communication protection system is active the communication interface protection must be deactivated before the parameterization see Chapter 9 2 2 Only a authorized person from the organization that installed the meter may carry out the parameterization and register all parameter changes of all meters in the meter parameterization log for the example see Appendix C In all other cases parameterization shall be interpreted as tampering 36 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual Table 15 Group Name of constant P15 30 60 Pday Wday Code Pmonth Wmonth A 01h Customer code Non Non Non Time correction erasable erasable erasable Tariff output flag Test output TM flag Current loop interface baud rate Password 02h Public holiday calendar Non Non Non Dates of season changes erasable erasable erasable Tariff tables for A B C D E seasons Summer Winter time start date and hour Last day of the billing period C 04h TM IN factor Non Non Non TM IN pulse length and pause D 08h Pulse output TM coefficient Non Non Non Ml 2 D ES att Q Q TM output coefficient TM OUT pulse duration and pause B E 10h Integration period Erasable Erasable Non erasable F 20h Date Time Non Non Non erasable erasable erasable G 40h Voltage transformation coefficient Erasable Erasable Erasable if with e
40. ization Possible sequences of the review are shown in Figure 6 6 Some of these options contain submenus Names of these options are followed by two dots 28 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual y 03 Failures 04 Parameters 96 04 06 16 50 il 04 Device tvpe pal 04 Factorv gt 04 Customer code gt 04 Resets 03 ra 04 P InNet 00 331 01 44n No 72078 EMH ELGAMA 00 10 11 15 38 00 01 01 00 00 04 E Tariffs 04 D tariffs e 04 C tariffs e 04 B tariffs Pa 04 A tariffs 00 00 00 00 00 00 00 00 04 01 09 30 05 01 08 31 10 01 03 31 v 04 Calendar 04 Special 04 Summer time 04 Winter time 04 Clock gt days 00 00 00 00 l 00 00 00 00 adjustment y 04 Ext port e 04 Net baud rate al 04 Month end e Ud Tariff outp 04 Integrating 9600 baud 9600 baud Day 00 assigned 2 tar period 30 v 04 Measuring 2 04 Telemetrical ma 04 Parameters constants constants END Active 4 ee T al Page 6 6 The Parameters menu 6 2 7 1 A Tariffs E Tariffs Menus Parameters of the tariff seasons A E can be reviewed in the menus A tariffs E tariffs displays The beginning ant the end dates of season activity are shown in the second LCD line The descriptions of tariffs 1 to 4 At1 At4 can be called by long light signals Up to 4 daytime intervals
41. me Index Label Comment group Power supply The number of power failures the date failure ant time of last 10 disconnections changes time of last 5 changes Failures Other failures 03 MF Magnetic field The number of influences total influences duration date and time of the last influence Multitariff EPOM meter of Active and Reactive Electrical Energy 27 y 02 Instantan 03 Failures il User Manual 03 Mains Failures 06 03 MF 06 01 06 02 03 MF 06 01 06 02 since 17 10 12 till 18 13 50 IL IL 03 MF 05 01 03 26 03 MF 05 01 03 26 since 09 31 16 till 12 05 37 il IL il pas 03 MF 01 00 02 15 03 MF 01 00 02 16 gt since 21 36 59 till 03 21 56 JL IL LLL 03 MF 01 00 02 16 r END 03 Phase Ch 03 PFOZ 00 06 12 4 03 PFO1 kazi 03 PFOT 99 11 06 failures 02 L1 L2 10 02 22 Li 16 32 15 END YAA 03 Various Ch 03 Various failures 00 END I Y mmm mmm mmm mmm mmm mmm NE al 03 Clock Ch 03 Clock failures 00 END 03 MI 00 00 01 01 00 00 00000 00 03 Failures END IL 04 Parameters 96 04 06 16 50 Figure 6 5 The Failures menu 6 2 7 Parameters Menu All constants parameters and settings of EPQM meter can be displayed in this menu All these parameters are entered during meter parameter
42. nd long signal calls the next main menu option The possible review sequences of menus are shown in Figure 6 2 The data displayed in those menus and their coverage is described in Table 6 24 Multitariff EPQM Meter of Active and Reactive Electrical energy User Manual ATI IL 11 P30 01 06 12 12 37 00019 896 11 P30 gt 01 06 12 11 P30 gt 01 06 12 11 P30 gt 01 06 12 gt gt 93 30 00005 604 gt 11 P30 gt 01 06 12 24 00 00008 301 11 P30 gt 01 06 12 id END IL 11 P30 gt 01 06 11 IL 11 P30 gt 01 06 11 11 P30 gt 01 06 11 01 00 00008 180 01 30 00003 964 IL L 11 P30 gt 01 06 11 114P309 01 06 11 01 00 00004 725 01 30 00005 040 L IL IL LK 11 P30 gt 01 04 04 11 P30 gt gt 01 04 04 01 00 00011 184 01 30 00004 480 12 P24h 01 06 12 ATI 00023 516 13 Pmnt 01 06 A T1 00001234 15 Wmnt gt 01 06 gt 13 Pmnt gt 01 06 gt 13 Pmnt gt 01 06 ATI 00023 6146 9 T2 00022 840 IL L 13 Pmnt gt 01 05 13 Pmnt gt 01 05 ATI 00025 616 AT2 00025 056 ri Z 13 Pmnt gt 00 04 13 Pmnt gt 00 04 gt A T1 00012820 AT2 00014400 ee E S 14 W24h 01 06 12 A TI 00148 990 gt 14 W24n901 06 1 2 14 W24h9 01 06 12 ATI 00060 810 AT2 00148 990 IL L 14 VWW24hp
43. nto account the total summary power is calculated as the sum of total power of all phases The possible data review sequences for this menu are shown in Figure 6 4 26 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 01 Wtm 01 06 ATI 00000 00 02 Instantan IL 02 P L1 power 02 P L2 power 02 P L3 power gt 02 P LZ power ATI 5 6963 Fan 8 1073 ZLATI 5 4357 Tam 19 2393 02 Q LZ power pi 02 Q L3 power lt 02 Q L2 power 102 Q L1 power ATI 6 9434 ATI 3 1715 ATI 3 3596 ATI 0 4123 Y 02 S L1 power ATI 5 6521 02 S L2 power 02 S L3 power 02 S LZ power ATI 9 3712 ATI 8 4681 ATI 23 4814 e 02 U L1 voltage e 02 U L3 voltage wa 02 U L2 voltage ATI 227 62 ATI 229 14 ATI 234 39 d 02 l L1 current 0 I L2 current L gt 0 I L3 current ATI 24 9181 A T1 38 4911 T 27 6458 02 Instantaneous e 02 Frequency e 02 cos q END AT 50 00 ATI 0 9288 arene y Figure 6 4 The Instantaneous menu 6 2 6 Failures Menu The meter records and displays various failures of power supply clock operation magnetic field influences etc All information on those failures is stored in the meter and can be reviewed in the Failures menu Table 14 lists all data displayed in this menu The possible data review sequences for the Failures menu are shown in Figure 6 5 Table 14 Parameter Parameter na
44. of a month x 4 tariffs 4 registers 3 3 Energy Measurement EPQM meter calculates the following energy values e Active energy of both directions over 24 hour total and for each tariff Active energy of both directions over a month total and by for each tariff Reactive positive energy over 24 hour total and for each tariff Reactive positive energy over a month total and for each tariff Reactive negative energy over 24 hour total and for each tariff Reactive negative energy over a month total and for each tariff Energy consumption of the present and last month calculated by pulses from pulse input 16 Multitariff EPQM Meter of Active and Reactive Electrical energy User Manual e Total energy for each tariff e Total energy for each tariff For the energy register description see Table 6 The energy is calculated by integrating power as a time function A f P Oat instantaneous value of active energy 6 t R fo t dt instantaneous value of reactive energy 7 jA The values of active and reactive energv of both directions are calculated bv adding up the instantaneous values 3 4 Power Factor Cos p Calculation EPQM meter calculates and displays power factor cos g Cos e is calculated by the formula P P cosp S Pe 07 Cos value can be displayed on LCD only for three phase load LZPEMS and ENERSIS software calculate cos values for each phase according to data received via c
45. ommunication interfaces Multitariff EPOM meter of Active and Reactive Electrical Energy 17 User Manual 4 Tariffs EPQM meter has a software tariff module which distributes active and reactive energv data to registers according to tariff time zones This module calculates values of average power of integration period and registers maximum demand of dav and month It carries out schedules of dav week and season These schedules can control up to 4 energy and maximum demand tariffs 4 1 Tariff Registers Tariff module distributes calculated values according to tariff time zones and entered into appropriate registers Up to 4 davtime intervals when the tariff is active can be set for each tariff time zone Energv and power registers of the basic meter configuration are described in Table 6 Table 6 Registers Parameter eii ee S values Ee in register fa fl IT fa CN EOR bos pos Pr asi pos pr ros 1 Oe 1 Qoa 1 Qo 1 Qu 1 Qu 1 W month W month W month i Gage 36 y 36 3 a we 2 Wer 2 We 2 7 QA 48 30 60 aaen y QA 48 30 60 aaen y 60 3360 Po y 15 30 60 3360 Pg 15 30 60 3360 3360 me Des 16 bbw 36 epa 38 gt Power Bay 36 pay ea 367 pay G S er e a e e kal bl e e a bnala ke kl actual day is not included Its data are stored in the RAM and entered into EEPROM after the Sl is finished 18 Multitariff EPQM Meter of Active and Reactive Electrical energy
46. ring CIM Date gt 11 P30 gt 12 P24h gt 13 Pmnt 16 Wtot lt 15 Wmnt 14 W24 Date gt 21 P30 gt 22 P24h 23 Pmnt 26 Wtot lt 25 Wmnt lt 24 W24h Date gt 31 q30 gt 32 q24h gt 33 qmnt 36 Qtot 35 Qmnt 34 Q24h 11 16 P power and energy 21 26 P power and energy 31 36 Q power and energy Date b 41 q30 gt 42 q24h gt 43 qmnt 46 Qtot 4 45 Qmnt 44 Q24 Any parameter with the exception of 11 Date gt 16 Wtot T1 T4 gt 26 Wtot T1 T4 46 and the Instantaneous group A 46 Qtot T1 T4 36 Qtot T1 T4 Parameters from the Instantaneous group 41 46 Q power and energy Value of chosen parameter are refreshed every second 6 2 Manual Scrolling Mode Menu mode is used for sequential data review Menu mode is activated by long light signal from CIM Data in the menu mode are divided into certain parameter groups menus 6 2 1 Additional Labels When 1 4 01 02 parameters are displayed a arrow label is displayed on the left side of the second line This label indicates load quadrant The labels and their meanings are specified in Table 12 Table 12 Label meaning First quadrant active reactive Noloadorverysmallload Not all quadrants match no reactive load Multitariff EPOM meter of Active and Reactive Electrical Energy 23 User Manual 6 2 2 Main Menu Main menu includes 8 options
47. s are described in Table 9 Table 9 Description of X Description of Y The parameter of active positive eee power of integration period is shown energy is shown P 15 30 60 q 15 30 60 The parameter of active negative 2 Mia demand of a day Paay day energy is shown O Maximum demand of a month shown Pont energy is shown Amonth AAA AA A energy is shown Quay Et Energy consumption of a month is shown W month Qmonth Pp LI 6 Total energy is shown Wio Qio Indices of additional meter data also consist of two decimal digits but only their combination is meaningful The indices of additional parameters are described in Table10 Table 10 Index Index description Value calculated according to pulses received by the pulse input Instantaneous value is shown This index describes meter failures This index of parameterization constants 22 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual 6 1 Cyclical scrolling Indication Mode CIM In this mode parameters of some data group are indicated on the display one after another within 10 second period CIM is activated if the control photo sensor does not receive light signal for a minute In such case data belonging to the parameter group displayed at the moment CIM was activated are displayed in cyclical mode CIM data sequences are described in Table 11 Table 11 The last selected index or group of parameters Parameter sequence du
48. ses received from pulse input are shown in this menu The possible data review sequences are shown in Figure 6 3 y Reactive A T1 01 Wtm 01 06 ATI 00000 00 Loes ie poma 06 7 RS l 01 Wtm gt 01 06 gt 01 Wtm gt 01 06 J A T1 000000 00 AT2 000000 00 ATA 000000 00 LATE HU END IL IL Griet s KE Er 05 SE 05 gt Ree A T1 000000 00 A T2 000000 00 AT4 000000 00 LATE 000000 00 L 01 Wtm gt 01 05 E Instantaneous lt END 4 ma Figure 6 3 Telemetry data menu Wun Detailed data are called bv long light signal Values of the present month in various tariff zones are called bv short light signals Values of the last month are selected bv long light signal After all the data of a certain month are reviewed the message END appears Short light signal brings back to the menu start point long light signal brings to Instantaneous menu 6 2 5 Instantan Menu Index of this menu data is 02 Instantaneous value of anv parameter specified in Table 13 can be displaved The values on the displav are refreshed everv second Table13 Parameter Parameter name Index Label Comment group Power of each phase L1 L2 L3 OU and total power 2 instantaneo 02 us Current Power factor The values of active and reactive power of separate phases are displayed as signed number their sum is calculated and displayed with the signs of additives taken i
49. st be disconnected and sent for repair in that case Failure codes could be identified via optical connection interface using LZPEMS software Positions of mounting holes are presented in Figure 10 1 40 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual Figure10 1 The overall dimensions and mounting holes Connection diagrams are presented in Figures 10 2 4 10 3 4 and 10 4 3 For installation of a separate meter see its datasheet POX E TARA x 1 2 3 4 5 6 7 8 9111 20 21 14 16 13 23 15 17 19 18 33 22 TL LL 0P P 0 0 Tu R AR D Electronic pulse outputs Pet EH A el B AA uu T P N N N 1 2 3 4 5 6 7 8 9 11 20 21 14 16 13 23 15 17 19 18 33 22 i PHQ Ty Electronic pulse outputs ili gt KE zovur Figure 10 3 4 wire meter connection via current and voltage transformers Multitariff EPOM meter of Active and Reactive Electrical Energy 41 User Manual
50. tegration period duration 15 30 or 60 minutes The integration period has the following features e The integration period is synchronized with the beginning of the day e The change between tariff zones must be synchronized with the beginning of integration period e Demand is calculated over a fixed interval only Note the duration of integration period can be changed during parameterization only Demand value is stored into EEPROM unit at the end of integration period The number of integration periods stored in memory depends on the duration of integration period The number of days meters stores integration period value in EEPROM depends on the duration of integration period Table 5 Table 5 Period Number of days duration min 3 2 3 Maximum demand Maximum demand the maximum power of integration period over a specified time interval day or month The meter detects and stores the values of maximum demand over a day and month in a separate register Maximum demand values of each tariff time zone for last 15 months including the present month are stored in maximum demand register of a month Maximum demand values of each tariff time zone are stored in maximum demand register of a day The duration of value storage in the respective registers is the same as for demand see Table 5 There might be up to 8 maximum demand registers e Maximum demand register of a day 4 tariffs 4 registers e Maximum demand register
51. the maximum permissible relative humidity 80 at 25 C 10 5 4 In the winter time the package must be left in a heated room for at least 6 hours before opening 10 5 5 The meters must be only transported in closed environments such as carriages containers cars or cargo holds The maximum permissible shock acceleration is 30 m s from 80 to 120 shock per minute The permissible temperature range is from 50 C to 50 C the maximum permissible relative humidity 98 at 35 C 10 6 Warranty Terms ELGAMA ELEKTRONIKA warrants each electricity meter it manufactures to be free from defects in material and workmanship under normal use and service specified in operation manual for a period of 18 months from date of shipment from factory In the event of a failure covered by warranty ELGAMA ELEKTRONIKA will undertake to repair or replace the meter providing warrantor determined that it is defective and it is returned with all transportation charges prepaid to an authorized center or the factory accompanied with this Certificate Repairs or replacement under warranty will be made without charge Warranty shall not apply to any meter which has been subject to misuse negligence accident lightning incorrect installation or neither use not in accordance with instructions nor any unit that has been altered outside ELGAMA ELEKTRONIKA authorized factory workshop ELGAMA ELEKTRONIKA is not liable for special indirect or consequenti
52. ts of any 8 ASC II symbols No parameters can be changed until the correct password is entered If incorrect password is entered 4 times in turn during a day communication interfaces will be locked for 24 hours During that period parameterization is impossible 9 2 2 Communication Protection EPQM meter has optional communication protocol IEC 62056 21 protection system that restricts the connection with a computer or portable data terminal until the photo sensor located beside the optical interface has received light signal with duration of 1 second After receiving a signal the protection system is deactivated for a hour If connection is attempted without deactivating the protection a message Serial comm protected appears The protection system is automatically activated upon the failure of network voltage After voltage restoration light signal must be applied again Note the communication protection system is not a part of standard equipment It must be ordered separately 9 2 3 Event Log The event log is an EEPROM area that stores the following data 38 Multitariff EPOM Meter of Active and Reactive Electrical energy User Manual e Network voltage failures Phase number changes Data on external magnetic field influences Initialization data Data on the last 10 parameterizations Data on the internal clock failures Data on the meter operation failures This information can be displaved on the screen or transmitted v
53. ured and calculated values are the following Power kW kvar energy kWh kvarh Voltage V Current A Frequency Hz 3 1 Measurement Quantities EPQM meter measures active and reactive electrical energv of both directions in four quadrant system It can measure the following kinds of energy and power e Positive and negative active energy W W e Positive reactive energy Q Q1 Q2 e Negative reactive energy Q Q3 Q4 e Positive and negative active power P P e Positive reactive power q e Negative reactive power q e For each phase instantaneous active reactive and total power and apparent power The meter can also display the following values for each phase voltage current and power factor cos q For power quadrant determination see Figure 3 1 Reactive Active Active I Il HL IV Quadrants S apparent power Q reactive power P active power Reactive Figure 3 1 Quadrant determination for power measurement 14 Multitariff EPQM Meter of Active and Reactive Electrical energy User Manual 3 2 Power Measurement EPQM meter can measure instantaneous power calculate average active and reactive power over the integration period find the maximum active and reactive power demand over dav or month 3 2 1 Instantaneous Power Measurement DSP calculates instantaneous power values according to instantaneous voltage and current values In this case instantaneous
54. uring the meter malfunction the failure code is stored in event log and can be reviewed in menu option Other failures This is maintenance information menu After discovering records in this menu please contact the manufacturer or its authorized representative Multitariff EPOM meter of Active and Reactive Electrical Energy 45 User Manual Appendix A EPQM Meter Designation for Ordering 46 Meter Tvpe EPQM XXX XX XXX Connection NN 3 3 element 4 wire connection 4 2 element 3 wire connection Nominal Voltage 1 3 x 57 7 100 V 3 x 63 5 110 V 3x69 2 120 V 3 x100 V 3 x 110 V 3 x 120 V 3 3 x 220 380 V 3 x 230 400 V 3 x 380 V 3 x 400 V 4 3 x 127 220 V 3 x 120 208 V 3 x 220 V 3 x 230 V Nominal Current 1 5 A transformer connection 2 1A transformer connection Software Version 01 Software in Lithuanian 02 Software in Russian 03 Software in English 04 Software in Spanish 05 Software in Latvian Purpose of Auxiliary Outputs on terminals 14 16 on terminals 13 23 on terminals 20 21 1 Relay 2 Electronic pulse input SO 3 External backup power supply terminals 4 Current loop II instantaneous data 5 Current loop commercial data 6 RS 485 7 M BUS Multitariff EPQM Meter of Active and Reactive Electrical energy User Manual Appendix B Technical specifications The meter resistance to environmental and mechan
55. ut light emission diode is located on the front panel above the LCD The LED emits light signals whose frequencv corresponds with consumed active or reactive specified during parameterization electrical energv LED signals are generated bv the meters CPU This output is described in terms of a light signal duration and meter constant those values are specified during factorv parameterization The LED constant means a number of light signals emitted for 1 kWh of consumed electrical energv Note LED should flash only while current flow is registered If LED is flashing when there is no network load i e no energv consumed the meter must be repaired 2 4 2 Electronic Pulse Outputs An electronic pulse output generates telemetrv pulses for energy accounting systems All outputs are galvanic insulated from the meter electronic circuits bv the optrons Multitariff EPOM meter of Active and Reactive Electrical Energy 11 User Manual Usually EPQM meter has 5 electronic pulse outputs 4r of them generate pulses proportional to consumed active and reactive energy of both directions P P Q Q while the 5 has electronic test outputs and duplicates LED signals Each output has an output circuit consisting of n p n transistor with an open collector All emitters of pulse output transistors are connected together If there is no signal transistor is closed digital 0 When a signal is being transmitted transistor opens digital 1 The input par
56. xponent exponent Current transformation coefficient is changed with exponent H 80h Factory Device type constants Factory number Customer code Voltage calibration factors Current calibration factors The constant is entered via optical interface only Multitariff EPOM meter of Active and Reactive Electrical Energy 37 User Manual 9 Meter Data Protection EPQM meter has several step protection from unauthorized actions e Physical protection e Software protection of data and parameters 9 1 Physical Protection of Data and Parameters The meter is protected against unauthorized access by the following physical measures e Sealed front cover e Sealed terminal block The sealed front cover moulded from transparent plastic restricts the access to the initialization button located under the front panel Pressing this button enables to change factory constants The transparent plastic cover is fixed by two sealed screws The terminal block is sealed after the meter is installed at the user premises The sealing is performed by a authorized person from the organization that installed the meter 9 2 Software Protection The meter has software measures of data protection and the device recording the parameter changes and attempts to affect the accuracy of calculations event log 9 2 1 Password Each time the connection is established via communication interface the meter requires the password The password consis
Download Pdf Manuals
Related Search