USER`S MANUAL
Contents
1. 32 15 TECHNICAL DATA msequi s 17 MAINTENANCE AND 35 1 APPLICATION LS1 1 electronic watt hour meters are destined for the direct measurement of active energy in single phase power networks with the simultaneous display of measured quantities They can be applied for settlement of accounts with electric power plants for industrial process control for settlement of accounts with sub hirers These watt hour meters are designed to be mounted on a wall The housing enables to set a legalization leaden seal on the watt hour meter cover and a leaden seal of the energy supplier on the terminal box Thanks to built in communication interfaces they can be applied as an element of energy ma nagement systems These watt hour meters have a 7 digit LCD display with additional graphic symbols As stan dard there is also a lighting and pulsing red diode LED and interface for data transmission in infrared 2 BASIC INFORMATION LS1 1 electronic watt hour meters are resistant to a strong external magnetic field e g a neo dymium magnet A special designed antitheft protection has been applied in the mechanical construction in the electronic system and in the software Protection of the construction The frontal cover having on the whole perimeter internal and external projections enclosing bilaterally2. Electronic single phase watthour meter sr X X X KT X Basic and maximal current 5 40 A 5 60 A 10 40 10 60 A DB OG dB eei d eR dan i EK E M eM EE Input voltage 230 V as per order Communication interface optical port optical port pulse output open collector optical port output of RS 485 type Modbus optical port output of RS 232 type Modbus without optical port and interfaces optical port radio module Accuracy class accuracy clas 1 accuracy clas 2 Tariffs single tariff without internal clock single or multi tariff with internal clock two tariff withiexternal clocKV9 urne tnr ecu teet rante kien tona Acceptance tests RED 8 with legalization acc to user s agreements eseeceeeeeeceeseeeeeseeeeeeseeseeeaesaeeseeseeeaeeeeeeeeseeeeeeaeeeeseaeeeeeeeeeeee X 1 Custom made version one must agree with the manufacturer 2 Concerns only the version LS1 1 X X 00 X X X optical port 9 Concerns only the 1 tariff version with internal clock of LS1 1 X X XX X 1X CODING EXAMPLE The code LS1 1 2 1 01 1 1 8 means LS1 1 Electronic single phase watt hour meter with LCD display 2 Basic and maximal current 5 60 A 1 Input volt
3. 12 7 2 Way of configuration parameter change sss eene 13 8 ENERGY MEASUREMENT iuiiia i 19 8 1 Recording of energy in 19 6 2 Recording of total c a eee tede 9 POWER REGISTERS 9 1 Averaged maximal power 9 2 Cumulated DOWOL EH eei PU rca bas 19 10 END OF THE ACCOUNTING 19 11 AVAILABLE TARIFF GROUPS Tieta Tanit group GIV Em 11 2 Tariff group G12 raii ede Ede e E hall 11 3 Tariff group G12W teer en EE rcr te cote alii 11 4 Tariff group 19 iude iii Galia alia ede tee dep 11 5 Tariff group C128 T 11 6 Tariff group C 12b iss nc iis La 11 7 Tariff group C 12W ante etl 11 8 Tariff group G228 e Rata 11 9 Tariff group G 22D ouem eer i E Det 11 10 List of holidays 12 OPTICAL INTERFACE 12 1 Watt hour meter registers in readout mode 12 2 Watt hour meter registers in programming and readout 26 13 RS 485 OR RS 232 SERIAL INTERFACE WITH MODBUS PROTOCOL OPTION 27 13 1 List of serial interface parameters ii 27 13 2 Map of watt hour meter registers nennen 28 14 INTERNAL CONTROL CLOCK for options with external clock
4. Menu of tariffs E t Me FE Selection of the tariff group tr i Range of changes Set gt 25 I Scroll eu i Piter G12u tariff G12w F C12A tariff C12A Scroll C12b tariff C12B pnr ORE C12u tariff C12W Set G13 tariff G13 C22A tariff C22A Mi te Scroll C22b tariff C22B USEr user s tariff Set lt external clock control Setting of time Range of changes He 30D Scroll for hours 00 23 H3 ge D Scroll for minutes 00 59 Hi 302 Scroll HH ei 2 Scroll Selection of tariff zones t1 t2 t3 t4 for tariff hours rAnt rAn2 rAn3 rAnd rAn1 time interval since H1 till H2 rAn2 time interval since H2 till rAn3 time interval since till H4 rAn4 time interval since till H1 Range of changes zone T1 t2 zone T2 t3 zone T3 t4 zone 4 E soro Ci cro rAn1 rAn2 rAn3 rAn4 these parameters are only Set C accessible in the user s tariff group USEr e 3 Ar t Scroll i s Selection of zone for i Sat Sathurd cr r at Sathurdays 2 Ht Scroll Sun Sundays Hol Holidays Set al Range of changes 5 Ln Ec D Scroll Cur as in the select tariff group Set t1 tariff zone T1 e t2 tariff zone T2 LI t3 tariff zone T3 rcu ec 2 Scroll t4 tariff zone T4 Sat Sun these parameters a
5. 7 CHANGE OF WATT HOUR METER CONFIGURATION The change of watt hour meter configuration is possible in the programming mode SET The watt hour meter is switched in the SET mode by means of the button 7 1 Button The watt hour meter has one button By means of this button set on the scroll position in the normal watt hour meter operation it is possible to review parameters described in the point 6 In this position the button can be leaden sealed To transit to the SET position one must re move the seal if exists and turn the button of 90 to the right The table 1 presents the button functions SET rr omoo SCROLL position SET position Fig 11 Available button positions 12 Button functions Table 1 Button Working mode Function SCROLL REVIEW Review of parameters SCROLL PROGRAMMING Selection and change of programmable parameter values SCROLL gt 2 sec PROGRAMMING Automatic incrementation of the parameter value SET 2 sec REVIEW Entry into the parameter configuration mode SET PROGRAMMING Selection of the parameter SET 2 sec PROGRAMMING Acceptation of the parameter group change The watt hour meter transits from the parameter review mode or from the configuration mode to the normal operation mode after 30 sec from the last button use 7 2 Service algorithm The scheme of the main menu of the watt hour meter configuration is presented on the fig 10a
6. LCD with graphical symbols Upper hanger metallic element fixing the watt hour meter to the power box or the watt hour meter niche Two function button review and setting of watt hour meter parameters Optical link enables the readout and write of data from and to the watt hour meter Screw fixes the shield 7 and is adapted to seal with lead by the power plant Shield of the terminal box Shield of the watt hour meter It is fixed to the base by internal catches and two screws 10 LED diode generates light pulses with a defined time constant imp kWh 10 Screw amp 10 Screw 11 Hole i 11 Hole 13 Interface link 12 Terminal box Fig 1b Watt hour meter design View of terminals after removing the terminal shield 7 10 Fixing screws to fix the shield 8 they are adapted to seal with lead by the producer or to put the verification mark 11 Fixing holes with the metallic upper hanger 3 they define the fixing points of the watt hour meter in the power box cabinet or the niche for watt hour meters 12 Terminal box enables the connection of measuring circuits 13 Interface link to connect interface wires 5 INSTALLATION 5 1 External dimensions and fixing way Watt hour meter overall dimensions are presented on the fig 2 The LS1 1 watt hour meter is fixed on the wall Housing dimensions 206 x 120 x 65 mm The box has screw t
7. Period of time Table 5 Summer 1 April 30 September Winter 1 October 31 March Ante meridian peak T1 700 4300 790 1300 Post meridian peak T2 199 2200 169 219 Remaining hours of the 24 hours zone T3 13 1900 2200 700 139 1600 2400 700 Legal day offs Saturdays and Sundays are included in the 24 hours zone to the third zone as remaining hours of the 24 hours zone 20 11 5 Tariff group C12a 24 hours zone Table 6 Period of time Summer Winter 1 April 30 September 1 October 31 March Peak zone T1 800 4400 2000 2100 800 1100 17 21 Extrapeak zone T2 11 20 2400 _ go 11 179 200 goo Holidays are includ to the zone depended on the setting of Hol parameter in tAriFF 11 6 Tariff group C12b 24 hours zone Table 7 Period of time 1 January 31 December Daily zone T1 Night time zone T2 Notations 600 7 H 139 1400 H 15 16 H 220 2300 4 Holidays are included to the zone depended on the setting of Hol parameter in tAriFF 11 7 Tariff group C12w 24 hours zone Table 8 Period of time 1 January 31 December Daily zone T1 2 4 Night time zone T2 Notations 600 700 13 1400 H 1500 16 2290 2300 4 1 Saturdays and Sundays
8. included In the 24 hours zone to the second zone night time Holidays are included to the zone depended on the setting of Hol parameter in tAriFF 21 11 8 Tariff group C22a Table 9 Period of time I Il XI XII Ill X IV IX V VI VII VIII 800 1190 800 1100 800 1100 800 1100 16 2499 1800 2499 1900 2190 2090 2190 2100 800 2100 goo 2100 800 2100 800 119 1699 1190 1890 11 1900 1190 2099 Holidays are included to the zone depended on the setting of Hol parameter in tAriFF 24 hours zone Peak zone T1 Extrapeak zone T2 11 9 Tariff group C22b Table 10 Period of time 1 January 31 December 24 hours zone Peak zone T1 600 2400 Extrapeak zone T2 21 600 Holidays are included to the zone depended on the setting of Hol parameter in tAriFF 11 10 Liste of holidays Following days are implemented in the watt hour meter as permanent holidays statutorily free of work 1st January New Year 1st May International Holiday of the 1st of May 3rd May National Holiday of 3rd May 15th August Assumption 1st November All Saints Day 11st November Independence Day 25th December First Day of Christmas 26th December Second Day of Christmas Movable feasts The first day of Easter Corpus Christi 12 OPTICAL INTERFACE Parameter set of the optical link of the LS1 1 watt hour meter conformity with the standard EN620
9. no period closure HE S yes dd Day of automatic closure of the 0 Eob accounting period t Hour of automatic closure of the 00 23 accounting period Usi ta Minute of automatic closure of the 00 59 accounting period i 88 t ASCII 8N1 t ASCII 7E1 cS Working mode t ASCII 701 RTU 8N2 8E t RTU 8E1 podbus t RTU 801 t RTU 8N1 Aide Address 1 297 b 4 8 4800 bit sec d Baudrate 9 5 9600 bit sec 19 2 19200 bit sec CLER fle Cancelation of the magnet interferen no no ce and or the cover opening HE S yes 15 03 15 min subrange 3 min 15 05 15 min subrange 5 min 15 15 15 min subrange 15 min Poutc PR Mode of power averaging 39 05 30 min subrange 6 min 10 30 min subrange 10 min 0 30 60 min subrange 30 min 60 102 60 min subrange 12 min 0 20 60 min subrange 20 min 0 60 60 min subrange 60 min 18 8 ENERGY MEASUREMENT 8 1 Recording of energy in tariffs In any time the watt hour meter accounts the energy in one of the tariffs When the register reaches its maximal value 999 999 9 kWh it is automatically reset and the account begins from zero 8 2 Recording of total energy The recording of the total energy consists in storing the total energy consumption in one register independently of the tariff When the register reaches its maximal value 999 999 9 kWh it is automatically reset and the account begins from zero 9 POWER REGISTERS 9 1 Averaged maximal po
10. After pressing and hold down the button during at least 2 sec in the SET position it is possible to program parameters The transition between parameters is made by means of the button on the SET position The table 2 comprises the parameter description The return to the normal operation follows after reviewing of all visible groups of parameters or automatically after the laps of 30 sec since the last button pressing Caution same parameters or paremeter settings can be invisible inaccessible depending on the watt hour meter version and its current configuration Main menu of watt hour meter configuration Main menu Set 2s Watt hour meter o Pt _Scroll_ Menu of the in the current zone Set 2s optical interface Set Scroll x Do t rri E Menu of tariffs Set gt 2s Set er Scroll Menu of L L Date Time Set gt 2s change Set M COE Scroll Menu of Lou accounting Set gt 2s period closing Set b Scroll Menu of the Senn Set 2s serial interface Set 3 Scroll Menu of interference TI III x by a magnet Set gt 2s cover opening Scroll n mu Pa r Menu of power LLL Set gt 2s averaging Set Fig 12a Watt hour work algorithm Main menu 13 Menu of the optical interface On Off
11. format Current date in the year month day format Energy in zone T1 Energy in zone T2 if occurs in the set tariff group Energy in zone T3 if occurs in the set tariff group Energy in zone T4 if occurs in the set tariff group Total energy Closing time of the accounting period in the hour minute format Closing date of the accounting period in the year month day format Energy in zone T1 at the end of the previous accounting period Energy in zone T2 at the end of the previous accounting period if occurs in the set tariff group Energy in zone T3 at the end of the previous accounting period if occurs in the set tariff group Energy in zone T4 at the end of the previous accounting period if occurs in the set tariff group Total energy at the end of the previous accounting period Symbol of the set tariff group The start of information review i e the transition from the energy display mode in the current zone follows after pressing the button in the SCROLL position Successive information are sequentially accessible After 30 seconds since the last button pressure the watt hour meter returns to the normal working mode Depending on the option and watt hour meter configuration the number of accessible information in the review mode can be smaller 6 1 VIEW OF THE LCD DISPLAY Index of active Index of total Symbols of Symbol of review Index of extra energy 10 energy value time zones programmin
12. of closure possibility e g because of a lack of supply the closure process will be carried out after the supply voltage recovery After each closure of the accounting period it is increased by one closure counter Note It is recommended to close the accounting period during the watt hour meter instal lation so as to memorize initial values of energy already counted If the closure has been carried out in the day in which the automatic closure should occur then the automatic closure will be cancelled on this day 19 11 AVAILABLE TARIFF GROUPS 11 1 Tariff group G11 The energy is counted during the whole time in the T1 zone 11 2 Tariff group G12 Period of time Table 3 24 hours zone 1 January 31 December Daily zone T1 1 2 3 4 Night time zone T2 Notations H 600 700 13 1400 H 1500 169 H 22 2300 Holidays included to the zone depended on the setting of Hol parameter in tAriFF 11 3 Tariff group G12w 1 Period of time Table 4 24 hours zone 1 January 31 December Daily zone T1 Night time zone T2 Notations H 600 700 13 1400 159 1699 3 H 22 2300 Holidays are included in the zone depended on the setting of Hol parameter in tAriFF Saturdays and Sundays are included In the 24 hours zone to the second zone night time zone 11 4 Tariff group C13 24 hours zone
13. word 30 0 65535 Number of erasings of interference by a strong magnetic field and or the index of cover opening Meaning of bits in the Status register register 4000 Table 16 Description Signalling of voltage in phase 0 voltage under 0 9 Un 1 voltage over 0 9 Un Always 0 Always 0 Current time zone Bits 54 3 001 T1 zone 0 10 T2 zone 0 11 T3 zone 100 T4 zone Decimal places for power Bits 7 6 0 0 without decimal places 0 1 1 decimal place 10 2 decimal places Decimal places for energy Bits 9 8 0 0 without decimal places 0 1 1 decimal place 10 2 decimal places Prefix of the unit for energy and power Bits 11 10 0 0 lack 0 1 k 1 0 M Interference by a strong magnetic field 0 lack 1 exist Opening of the watt hour meter cover 0 cover closed 1 cover open Not used Error 0 no errors 0 one must check the error register 31 Meaning of bits in the error register register 4046 Table 17 Description Detection of an erroneous contents energy in zone T1 Detection of an erroneous contents energy in zone T2 Detection of an erroneous contents energy in zone T3 Detection of an erroneous contents energy in zone T4 Detection of an erroneous contents total energy Detection of an erroneous contents energy in zone T1 in the previous accounting period Detection of an erroneous conten
14. 5 11 05 Hour and date of the beginning of interference by a strong magnetic field 0000000327 Duration of interference by a strong magnetic field sec Index of cover opening interference into the watt hour meter 0 There was no opening There was or there is an opening Number of register erasing of interference by a strong magnetic field and or housing opening 25 Description of the register watt hour meter errors Table 12 Description o Detection of erroneous contents energy in zone T1 Detection of erroneous contents energy in zone T2 Detection of erroneous contents energy in zone T3 Detection of erroneous contents energy in zone T4 Detection of erroneous contents total energy Detection of erroneous contents energy in zone T1 in the previous account period Detection of erroneous contents energy in zone T1 in the previous account period Detection of erroneous contents energy in zone T2 in the previous account period Detection of erroneous contents energy in zone T3 in the previous account period Detection of erroneous contents total energy in the previous account period Not used Incorrect value of the error register O O1 A ON 12 2 Watt hour meter registers in the programming and read out mode List of watt hour meter registers with identifiers and example of contents in case of readout and or data write in the progr
15. 56 21 manufacturer identifier LML baud rate identifier 4 watt hour meter identifier LS11 LUMEL transmission protocol mode C of transmission transmission initialization 300 baud available baud rates 300 600 1200 2400 4800 baud character format acc to ISO 1177 7E1 write interlock button secured by a leaden seal The optical interface in the watt hour meter enables the realization of following functions data readout from the watt hour meter write of selected parameters to the watt hour meter closure of the accounting period The write of parameters and closure of the current accounting period are possible after breaking the leaden seal and setting the button on the SET position 22 To unlock or lock the write one must press the SET button in a time longer than 2 sec pressing the SET button transit to the oft menu by means of the SCROLL button unlock the S t on write or lock the 566 of F write pressing the SET button in a time longer than 2 sec accept the change pressing the SET button exit from the SETUP procedure The locking of the write follows automatically after a 5 minutes lack of communication through the optical link 12 1 Watt hour meter registers in the readout mode The list of registers with identifiers and the example of contents in case of data readout is pre sented in the tables below Note Depending on the option and watt hour meter configura
16. 99999999 Active energy in zone T3 at the end of the previous accounting period KWhx100 MS word LS word 0 99999999 Active energy in zone T4 at the end of the previous accounting period KWhx100 MS word LS word 0 99999999 Total active energy at the end of the previous accounting period KWhx100 word 0 65535 Counter of accounting period closures word 2001 2035 Year of accounting energy closure word 101 1231 Date of accounting period closure in format month 100 day word 0 2359 Time of accounting period closure in format hour 100 minute word 0 700 The highest value of averaged power kWh x10 word 2001 2035 Year of the highest value of averaged power occurrence word 101 1231 Date of the highest value of averaged power occurrence in format month 100 day word 0 2359 Time of the highest value of averaged power occurrence in format hour 100 minute word 0 455 The highest value of averaged power in the previous accounting period word 2001 2035 The year of the highest value of averaged power occurrence in the previous accounting period word 101 1231 The date of the highest value of averaged power in the previous accounting period in format month 100 day The time of the highest value of averaged power in the previous accounting period
17. ELECTRONIC SINGLE PHASE WATT HOUR METER WITH DIGITAL COMMUNICATION LS1 1 TYPE USER S MANUAL CE CONTENTS APPLICATION e li ondata Ila ili ali li i liti 5 2 BASIC INFORMATION nd 3 WATT HOUR METER SEE ous Asus ma RD ea RP 6 4 WATT HOUR METER DESIGN esee nnne nnns anneanne nanan 6 Sa INSTALLATION ERR 7 5 1 External dimensions and fixing way 5 2 Ltd coenae Aia 9 6 DISPLAYED INFORMATION 2 ores eos auae 10 6 1 View of LCD 10 6 2 Displayed energy iii 11 6 3 LED Pulso OUP ici iena 11 6 4 Signalling of phase voltage presence iii 11 6 5 Signalling of the active tariff time 20 11 6 6 Signalling of energy counting sess eee 11 6 7 Signalling of review parameter programming or interference with a magnetic field 11 6 8 Signalling of housing opening interference in the watt hour meter 12 6 9 Signalling of extra information rene 12 7 CHANGE OF WATT HOUR METER 12 DUET MM
18. TORS m ACCESSORIES FOR MEASURING INSTRUMENTS m MEASURING SYSTEMS ENERGY HEAT CONTROL m CUSTOM MADE PRODUCTS WE ALSO OFFER OUR SERVICES IN THE PRODUCTION OF m ALUMINIUM ALLOY PRESSURE CASTINGS m PRECISION ENGINEERING AND THERMOPLASTICS PARTS m PRESSURE CASTING DIES AND OTHER TOOLS QUALITY PROCEDURES ACCORDING TO ISO 9001 AND ISO 14001 INTERNATIONAL REQUIREMENTS All our instruments have CE mark and respect RoHs Directives For more information please write to or phone our Export Department LS1 1 07A LUMEL Lubuskie Zaktady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G ra Poland Tel 48 68 329 51 00 exchange Fax 48 68 329 51 01 e mail lumel lumel com pl http www lumel com pl Export Department Tel 48 68 329 53 02 or 53 04 Fax 48 68 325 40 91 e mail export lumel com pl
19. USEr tariff group T4 zone Selection of tariff zone for Saturdays _ __ Parameter accessible only forthe 715 the selected tariff group SAE USEr tariff group The selection of 1 zone Cur parameter causes that the te T2 zone watt hour meter counts the energy t3 zone according to settings of rAn1 4 V T4 zone parameters Selection of tariff zone for Sundays Cur aginth lected tariff Parameter accessible only forthe 1715 In the selected tariif group Sun USEr tariff group The selection of 1 zone Cur parameter causes that the te T2 zone watt hour meter counts the energy amp 3 zone according to settings of rAn1 4 TA zone parameters Selection of tariff zone for Holidays wr as in the selected tariff group Hol The selection of Cur parameter t i T1 zone causes that the watt hour meter te T2 zone counts the energy in the zone t3 zone resulting from the set tariff T4 zone 17 List of configuration parameters Table 2 continuation Main Parameter Parameter description Range of parametr changes menu symbol Current year 200 1 2035 dn Current month T dd Current day 01 31 th Current hour 80 23 tn Current minute 00 59 Automatic change of the of F turned off winter summer time on turned on tob Instant execution of the accounting o
20. age 230 V 01 Communication interface optical port and output of O C type 1 Accuracy class 1 1 Single tariff version 8 Delivered without a legalization certificate 34 17 MAINTENANCE AND WARRANTY The LS1 1 watt hour meter does not require any periodical maintenance In case of some incorrect operations 1 After the dispatch date and within the period stated in the warranty card One should return the watt hour meter to the Quality Inspection Dept If the instrument has been used in compliance with the instructions we warrant to repair it free of charge The disassembling of the housing causes the cancellation of the granted warranty 2 After the warranty period One should send the instrument to repair it in an authorized service workshop Spare parts are available for the period of five years from the date of purchase Our policy is one of continuous improvement and we reserve the right to make changes in design and specifications of any products as engineering advances or necessity requires and revise the above specifications without notice 35 SALES PROGRAM MEASUREMENT m DIGITAL and BARGRAPH PANEL METERS CONTROL m MEASURING TRANSDUCERS RECORDING m ANALOG PANEL METERS DIN INSTRUMENTS m ANALOG and DIGITAL CLAMP ON METERS m INDUSTRIAL and HOUSEHOLD CONTROLLERS CHART AND PAPERLESS RECORDERS m POWER CONTROL UNITS and INVERTERS LARGE SIZE NUMERIC and ALPHANUMERIC DISPLAYS m AUTOMOTIVE DASHBOARD INDICA
21. amming mode Table 13 Identifier Format of ASCII ASCII charac Parameter charac ters example ters of contents 12 34 56 Current time and date 25 11 02 1 Automatic time change winter summer acc to fig 10c AbcDeFgHiJ User s identifier 02110001 Factory number 7 Power averaging time and number of subperiods like in table 11 Day and time in which the account 17 13 55 period is closed day 00 28 05 Kind of tariff group like in table 11 07 20 10 12 Variable hours for tariffs G12 G12w C12b C12w 22 30 23 30 USEr 22112 Configuration of the serial link mode address baud rate like in table 11 Register erasing of interference by a strong magnetic field and cover opening 26 Table 13 continuation 1010111 Selection of the time zone for tariff hours Saturdays Sundays and holidays only for USEr tariff 1 st character selection of zone for the hour interval since H1 till H2 2 nd character selection of zone for the hour interval since H2 till H3 3 rd character selection of zone for the hour interval since H3 till H4 4 th character selection of zone for the hour interval since H4 till H1 Meaning of 1 4 characters 0 T1 zone T2 zone 2 zone 3 4 zone 5 th character selection of zone for Saturdays only for USEr tariff 6 th character selection of zone for Sundays only for USEr tariff 7
22. and tightly the base wall unabling the interference with a tool inside the watt hour meter The cover is fixed to the base by two screws what gives a durable junction secured additio nally by leaden seals The shield of the terminal box additionally presses down the cover and protects the fixing screws by leaden seals The junction of the cover and the base is sealed what protects against the infiltration of fluids and dust Electronic and programmed protection Sensor of mechanical interference in the watt hour meter The lift of the watt hour meter frontal cover causes the sensor operation and the existed interference is signalled on the display Ad ditionally the date and the interference duration are stored in the watt hour meter memory Sensor of the interaction by a strong magnetic field e g a neodymium magnet The application of a strong magnetic field to the watt hour meter causes the sensor operation and the existed interference is signalled on the display The number of mechanical interference and interactions by a magnetic field is durably recorded in the watt hour meter Protection against the switching of power network wires The watt hour meter counts the energy when interchanging network wires The energy is acco unted regardless of the flow direction The shield of the terminal box can be optionally made of a transparent plastics enabling a visual inspection of the electrical connection correctness with the
23. curacy class acc to the version code 32 Working temperature range Storage ambient temperature Power consumption in the voltage circuit in the voltage circuit for a watt hour meter with RS 485 RS 232 interface or a radio module in the current circuit Starting current Detection level of the voltage presence Pulse constant of the LED diode Readout field Communication interfaces Output of energy pulses Pulse constant of O C output Tariff input Available tariffs Number of tariff zones Resistance against external permanent magnetic field Resistance against surge voltages Reaction of the watt hour meter to voltage decays Clock accuracy Protection degree ensured by the housing Battery life time External dimensions H x W x D Weight 95 65 C 35 80 C lt 8 VA 0 3 W lt 7 VA 1 3W lt 0 015 0 004 0 90 U 3200 imp kWh or another to agree special LCD display acc to the version code output of O C type passive acc to EN 62053 31 3200 imp kWh or another to agree 1 input 2 tariffs switched voltage U G11 G12 G12w G13 C12a C12b C12w C22a C22b 1 tariff programmed by the user from 1 to 4 640 kA m 4 kV Storage of data and the watt hour meter state after the decay in the FRAM non volatile memory storage durability min 15 years t 2s day IP 54 minimum 10 years 203 x 122 x 65 mm ca 0 75 kg 33 16 ORDER CODES Table 18
24. e 2 isi pog Parameter description Range of parametr changes Possibility of write through the off disabled set optical interface on enabled G 1 i tariff group G11 G te tariff group G12 G teu tariff group C12w 12 tariff group C12a te Selection on the tariff 100 tariff group C12b C feu tariff group C12w G 13 tariff group G13 CeehR tariff group C22a Ceeb tariff group C22b USE User s tariff Hi ii G12 G12w 86 08 67 08 or optionaly for USEr He T2 time for tariff groups G12 G12w 13 00 4 00 or optionaly for USEr C12b C12w USEr H3 T3 time for tariff groups G12 G12w 15 00 6 00 or optionaly for USEr C12b C12w USEr 5 db CUM G12 G12w 22 00 23 000r optionaly for USEr Selection of tariff for the time interval T1 zone An since H1 till H2 te T2 zone Parameter accessible only in the t 3 zone Ae EE USEr tariff group zone Selection of tariff for the time interval T1 zone r ae since H2 till H3 te T2 zone Parameter accessible only in the t 3 zone USEr tariff group T4 zone Selection of tariff for the time interval T1 zone eAn3 since H3 till H4 te T2 zone Parameter accessible only in the t 3 zone USEr tariff group T4 zone Selection of tariff for the time interval T1 zone c Hass since H4 till H1 te T2zone Parameter accessible only in the t3 zone
25. e measured energy 6 7 Signalling of review and parameter programming or interference by a mag netic field Fig 8 Index of parametr review programming or field interference When the user reviews parameters in the SCROLL mode or enters in the SET programming mode the symbol presented on the fig 8 is visible on the display 11 The flickering symbol signals a strong magnetic field interference If the watt hour meter is under the influence of this field then the index is lighting in a permanent way If the magnetic field duration was longer than 30 seconds and the watt hour meter is not under its influence the index flickers till the time of erasing register of interference by the magnetic field through the optical link 6 8 Signalling of housing opening interference inside the watt hour meter The lift of the frontal cover interference inside the watt hour meter is signalled on the display by the flickering inscription OPEN alternatively with the current readout In the same time the date and the interference duration are recorded in the watt hour meter memory E 1 ri 2 kW h c Un Ax lai Fig 9 Screen signalling the housing opening 6 9 Signalling of additional information A Fig 10 Index of additional information The visible signal above on the display signals that the write through the optical link is allowed However the flickering symbol signals the incorrect work of the watt hour meter
26. erminals with 6 5 mm internal diameter to connect to the power network and auxiliary circuits with a wire up to 1 5 mm cross section 61 3 39 5 8 0c 97 104 122 EVOL 6 6 8 99 8 OrL Fig 2 Watt hour meter overall dimensions 5 2 Connection diagrams Pulse output FX L L1 N N Single tariff watt hour meter for direct Watt h ith pul connection att hour meter with pulse output Communication Communication interface interface RS 485 RS 232 modbus modbus B Tx L1 L1 N N Watt hour meter with an RS 485 communication Watt hour meter with an RS 232 communication interface and Modbus protocol interface and Modbus protocol Tariff input 21 L1 N Two tariff watt hour meter with an external clock Fig 3 External connection diagrams of the watt hour meter 6 DISPLAYED INFORMATION It is possible to readout following information on the LCD display m Energy in the current zone Current time in the hour minute
27. g or information field interference Value of the d 1 C Wo measured quantity Load index Units of the Voltage index arrows are whirling if the measured quantity energy is counted Fig 4 LCD display 6 2 Displayed energy In the LS1 1 watt hour meter the energy is displayed in kWh with one decimal place The counter register has 7 digits 6 3 LED pulse output The red lighting LED diode is the index of the energy flow The frequency of light flashes is proportional to the current energy flow 6 4 Signalling of the phase voltage presence L1 Fig 5 Index of the phase voltage presence The L1 index signals the presence of the phase voltage In case when its value exceeds 0 9 Un 6 5 Signalling of the active time zone tariffs gt Ti T2 T4 Fig 6 Tariff indexes The active tariff zone is indicated by one of the symbols e g for the first tariff the T1 symbol is displayed For the total energy all accessible tariff symbols together with the sum mark are displayed 6 6 Signalling of energy accounting bw Fig 7 Index of energy accounting For signalling the energy accounting an index composed of 3 arrows is accessible If the energy is accounted two arrows are shifting giving the effect of the index turning round If the watt hour meter does not account the energy all the 3 arrows are visible they do not turn round The index turning round speed is constant and does not depend on th
28. ifier ASCII charac ters Format of ASCII charac ters example of contents 010301 Table 11 continuation Parameter Watt hour meter status 1 st character Signalling of voltage in the phase U lt 0 9 Un 1 U20 9 Un 2 nd character Always 0 3 rd character Always 0 4 th character Current time zone 1 1 stzone T1 2 2 nd zone T2 3 3 nd zone 4 4 th zone 4 5 th character Signalling of cover opening 0 or 1 6 th character Signalling of magnetic field interference 0 or 1 01101000 00011000 Register of watt hour meter errors see table 12 0 or 1 7 Time of power averaging and number of subperiods 0 15 min 3 min subperiod 15 min 5 min subperiod 2 15 min 15 min subperiod 3 30 min 6 min subperiod 4 30 min 10 min subperiod 5 30 min 30 min subperiod 6 60 min 12 min subperiod 7 60 min 20 min subperiod 8 60 min 60 min subperiod 17 13 55 Day and time in which the account period is closed day 00 automatic closure is off day 01 28 hour 00 23 minute 00 59 Tariff groups 00 G11 01 G12 02 G12w 03 C12a 04 C12b 05 C12w 06 G13 07 C22a 08 C22b 09 USEr user s tariff 10 controlled by the externa
29. in format hour 100 minute 0 65535 Cumulated power kW x 10 29 Table of watt hour meter 16 bit registers Table 15 continuation Way of power averaging 0 15 min 3 min subperiod 15 min 5 min subperiod 15 min 15 min subperiod 30 min 6 min subperiod 30 min 10 min subperiod 30 min 30 min subperiod 60 min 12 min subperiod 60 min 20 min subperiod 8 60 min 60 min subperiod Time of the automatic accounting period closure in format hour 100 minute 0 28 Day of the automatic accounting period closure 0 32000 Constant of pulse output imp kWh Tariff group G11 G12 G12w C12a C12b C12w G13 C22a C22b USEr user s tariff 0 external clock control gt 0 word 10 X Number of the program version x10 word 0 65535 Register of watt hour meter errors description in table 17 word 2001 2035 Year of the first beginning of interference by a strong magnetic field word 101 1231 Month and day of the first beginning of interference by a strong magnetic field word 0 2359 Time of the first beginning of interference by a strong magnetic field MS word LS word 0 29 1 Duration of interference by a strong magnetic field word 0 1 Index of cover opening interference in the watt hour meter
30. l clock 24 07 20 10 12 22 30 23 30 Variable hours for tariffs G12 G12w C12b C12w USEr 1010114 Table 11 continuation Time zones for Saturdays Sundays and holydays only for USEr tariff 1st character zone for hour interval since H1 till H2 2 nd character zone for the hour interval since H2 till H3 3 rd character zone for the hour interval since H3 till H4 4 th character zone for the hour interval since H4 till H1 Meaning of 1 4 charac 0 T1 zone T2 zone 2 zone 3 T4 zone 5 th character Zone for Saturdays only for USEr tariff 6 th character Zone for Sundays only for USEr tariff 7 th character Zone for holidays Meaning of 5 7 characters 0 as in the selected tariff group 1 T1 zone 2 T2 zone 3 zone 4 T4 zone In case when choosing 0 time zones are defined acc to the chosen tariff group see the description of tariff zones in Table 2 Configuration of the serial link mode address baud rate 1 st character mode ASCII 8N1 2 ASCII 7E1 3 ASCII 701 4 RTU 8N2 5 RTU 8E1 6 RTU 801 7 RTU 8N1 2 3 4 th character address 001 247 5 th character baud rate 0 4800 baud 1 9600 baud 2 19200 baud No of the program version Automatic change of winter time summer time 0 off on 10 12 2
31. re only accessible Set in the user s tariff group USEr 15 Fig 12e Algorithm of the watt hour meter work menu of tariffs Menu of serial Setting of serial interface interface parameters Range of changes Working mode Set gt 25 rS A8n1 ASCII 8N1 rS A7E1 ASCII 7E1 rS A701 ASCII 701 rS r8n2 RTU 8N2 rS r8E1 RTU 8E1 rS r801 RTU 801 r r8n1 RTU 8N1 Device address Adr 001 247 Baud rate bd4 8 4800 bps bd9 6 9600 bps bd 19 2 19200 bps Fig 12f Algorithm of the watt hour meter work menu of serial interface Menu of interference erasing Erasing of interference by the magnetic field and or cover opening Change of ranges oFF lack of operation on erasing Fig 12g Algorithm of the watt hour meter work menu of interference by a magnet and cover opening Menu of power averaging Selection of averaging time and number of subperiods for the maximal mean power Range of changes PA 15 03 15 min subperiod 3 min Set gt 2s 15 05 15 min subperiod 5 PA 15 15 15 min subperiod 15 min PA 30 06 30 min subperiod 6 min PA 30 10 30 min subperiod 10 min PA 30 30 30 min subperiod 30 min PA 60 12 60 min subperiod 12 min PA 60 20 60 min subperiod 20 min PA 60 60 60 min subperiod 60 min Fig 12h Algorithm of watt hour meter work menu of power averaging 16 List of configuration parameters Tabl
32. scription number word 0 65535 Watt hour meter status description in table 16 word 2001 2035 Current year word 101 1231 Current date in format month 100 day word 0 2359 Current time in format hour 100 minute MS word 05010001 Serial number LS word 35129999 word 0x00 OxEE User s identifier 1 and 2 character word 0x00 User s identifier and 4 character word 0x00 OXEE User s identifier 5 and 6 character word 0x00 OXEE User s identifier 7 and 8 character word 0x00 OXEE User s identifier 9 and 10 character MS word 0 99999999 Active energy in zone T1 kWhx100 LS word MS word 0 99999999 Active energy in zone T2 kWhx100 LS word MS word 0 99999999 Active energy in zone T3 kWhx100 LS word MS word 0 99999999 Active energy in zone T4 kWhx100 LS word MS word 0 99999999 Total active energy LS word MS word Reserved LS word MS word Reserved LS word MS word Reserved LS word MS word 0 99999999 Active energy in zone T1 at the end of the previous LS word accounting period KWhx100 28 Table of watt hour meter 16 bit registers Table 15 continuation MS word LS word 0 99999999 Active energy in zone T2 at the end of the previous accounting period KWhx100 MS word LS word 0
33. th character selection of zone for holidays Meaning of 5 7 characters 0 as for the selected tariff group 1 T1 zone 2 T2 zone 8 zone 4 T4 zone In case when 0 is chosen time zones are defined acc to the selected tariff group see the description of the tariff zones in Table 2 Notations R only for readout R W readout and write Note In case of a watt hour meter configuration when the given parameter is not used the caractere code minus is returned 13 RS 485 or RS 232 SERIAL INTERFACE WITH MODBUS PROTOCOL 13 1 Set of serial interface parameters e identifier OxAO e watt hour meter address 1 247 e baudrate 4800 9600 19200 bod w e working mode ASCII RTU e information unit ASCII 8N1 7E1 7O1 RTU 8N2 8E1 801 8N1 e maximal response time 600 ms Factory settings address 1 baud rate 9600 baud RTU mode 8N2 LS1 1 watt hour meter realizes following protocol functions Table 14 Readout of n registers 17 Identification of the slave device 27 13 2 Map of watt hour meter registers Data are placed in 16 bit registers Process variables and watt hour meter parameters are placed in the register address space in a way depending on the type of the variable value Bits in the 16 bit registers are numbered from the youngest to the oldest b0 b15 Table of watt hour meter 16 bit registers Table 15 Register Parameter De
34. the write possibility Scroll throught the optical interface Scroll Range of changes T OFF turning the write possibility off Set gt 2s ON turning the write possibility on Fig 12b Algorithm of the watt hour meter work menu of the optical interface Menu of the real time clock Set gt 2s 3 1 hee Scroll esM S Change of date and hour Ii n 52 cuna 2 Scroll of the real time clock Set 4 j m Range of changes D Scroll Set C gt 2001 2035 dd 355 scroll d month 01 12 Set dd day of the month 01 31 effet ie 2 Scroll th hour 00 23 Set a tn minute 00 59 ri Set 5 Ak c 58 p Scroll Set Fig 12c Algorithm of the watt hour meter work menu of the real time clock 2 Scroll Atc automatic change of time on oFF Menu of the accouting period closure Set gt 2s Manual closure of the accounting period Scroll Gai 5 Range of changes cc nec 2 Scroll No lack of operation YES period closing Set Gmn da el Scroll Change of date and time of the automatic Set 3 accounting period closure me ome P Scroll Range of changes Set S dd closing day 01 28 th closing hour 00 23 En Au 2 Scroll tn closing minute 00 59 Set Fig 12d Algorithm of the watt hour meter work menu of the accounting period closure 14
35. tions the number of available registers for readout can be smaller Table 11 Identifier ASCII charac ters Format of ASCII charac ters example of contents 12 34 56 Parameter Current time 25 11 02 Current date dd mm yy AbcDeFgHiJ User s identifier 02110001 Factory number 000123 4 kWh Energy in zone 1 000423 4 kWh Energy in zone 2 000623 4 kWh Energy in zone 3 000723 4 kWh Energy in zone 4 001323 4 kWh Total energy from all zones 10 23 20 11 02 99 2 kW Time and date of the maximal 15 30 or 60 power occurrence and its value 70 10 23 20 11 02 Time and date of the account period closure 0 8 1 00 000123 4 kWh Energy in zone 1 at the end of the previous account period 0 8 2 00 000423 4 kWh Energy in zone 2 at the end of the previous account period 0 8 3 00 000623 4 kWh Energy in zone 3 at the end of the previous account period 0 8 4 00 000723 4 kWh Energy in zone 4 at the end of the previous account period 0 8 0 00 001323 4 kWh Total energy at the end of the previous account period 0 6 0 00 10 23 19 11 02 90 2 kW Time and date of the max 15 30 or 60 power occurrence in the previous account period and its value 0 6 6344 7 kW Cumulated power max 65535 0 1 22352 Counter of account period closures max 65535 23 Ident
36. ts energy in zone T2 in the previous accounting period Detection of an erroneous contents energy in zone T3 in the previous accounting period Detection of an erroneous contents energy in zone T4 in the previous accounting period Detection of an erroneous contents total energy in the previous accounting period Not used Incorrect value of the error register 14 INTERNAL CONTROL CLOCK OPTION The LS1 1 watt hour meter has an astronomical time clock supported by a battery The current time is counted in the 24 hour format This clock is used for the time zone switching The clock has the function of the automatic change from the winter time into the summer time and inversely The transition from the winter time into the summer time is carried out in the night from Saturday to Sunday on the last Sunday of Mars the clock is being transposed from 2 00 to 3 00 o clock The transition from the summer time into the winter time is carried out in the night from Saturday to Sunday on the last Sunday of October the clock is being transposed from 3 00 to 2 00 o clock If the user set the current time between 2 00 and 3 00 on the last Sunday of October the clock assumes the summer time 15 TECHNICAL DATA Kind of network 2 wire Connection way of the watt hour meter direct Reference voltage U acc to the version code Basic current acc to the version code Maximal current I acc to the version code Ac
37. user energy receiver The watt hour meter equipment with a communication interface or a radio transmitter gives the possibility of a permanent monitoring data archiving visualization and report The LS1 1 watt hour meter can be included into existing computer networks what is rendered possible by offered interface and protocol converters produced by LUMEL 3 WATT HOUR METER SET The set of the watt hour meter is composed of LS1 1 watt hour meter 1 pc User s manual 1 pc Warranty card 1 pc 4 WATT HOUR METER DESIGN The construction of the LS1 1 watt hour meter is presented on the fig 1 The watt hour meter housing is made of an insulated material lexan and ensures the service safety in the protection class II The review and setting of watt hour meter parameters are realized by the button 4 situated in the shield 8 The button is adapted to be sealed with lead After sealing the button there is possible to review selected data on the display The function of parameter setting is accessible after removing the leaden seal and turning the button 2 LCD display a 3 Upper hanger 4 Button TYP LS1 1 RR RsS485 Modbus seo vom i 5 60 A 230V 50Hz 9 LED diode 1 Base 4 PLT 05 307 8 Shield terminal box 7 Shield Fig 1a Watt hour meter design view of the watt hour meter with the fixed terminal box shield 7 1 Base 7 digit liquid crystal display
38. wer The measurement of maximal power can be performed in 15 30 or 60 minutes periods The locking mode or the shift mode is accessible to calculate the power For the shift mode one can choose 5 or 3 subperiods falling on the integration period For 15 minutes there will be 3 or 5 minutes segments for 30 minutes 6 or 10 minutes segments and for 60 minutes 12 or 20 minutes segments The selected number of subperiods composes the period of power integration After the first complete shift period including all subperiods the next subperiod will be accounted and the first is not be taken in consideration The watt hour meter stores in its memory the maximal power for the current and the previous accounting period and the time and date of its occurrence 9 2 Cumulated power The cumulated power is the power register increased by the averaged value of the maximal power at the end of the accounting period 10 END OF THE ACCOUNTING PERIOD At the moment of the accounting period closure values of energy from all time zones and the total energy will be memorized and at the same time values of the accounted energy do not undergo to changes The automatic closure can follow automatically on the defined day of the month and in the given time The configuration consists on writing the minute hour and day of the accounting period closure The closure of the accounting period the date and time of this operation is written When there is a lack
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