N10 Manual - London Electronics Ltd.
Contents
1. four wire network T sl dd 2 Sel sl ld Sy i Loop gt i GLA ag Eb HW Re ae 9778 6 8 2 9 5 7 e z L 08162 82112 9e sc vec EZ ee 120261 81121191 ew ziv sindno s ndn lt A 05298 Fig 3 Meter connection diagrams in a Intermediate measurement using 2 current transformers and 2 or 3 voltage transformers in a 3 phase network 10 ace sree 1 917181 917 A Loa li Da Oo I li GI 13 I 13 loc pijo la ES 4 E 1 E ot oN or Iss m m 15820 Mm Ver EN EN iz oL Jl 3 te N 5 8 52 5 55 ig 8 Elo clo co c o pequnued Alaa si jueuiuoJiAue y fuesseoeu si eu julod euo Yee pajoau U09 eq p noys ueeJos eu ueeJos e ui Jojonpuoo e esn 0 811 uonoeuuoo 8 OLN Od WAI eui exeu OL 39ILON 9 pin socket connector CANON type IBM PC Computer Make in one s own capacity Fig 4 Connecting way of N10 mete2. 17 The setting of hours and minutes is similar to the setting ofthe year month and day lt after min minutes causes the memorization of set values and the exit from the mode t The seconde counter is not be set but it is zeroed when accepting minutes This means that in order to obtain an accurate timer set ting one must wait till a full minute and then press the key ENTER 4 2 3 Parameter configuration mode S This mode is destined to set meter parameters input and output signal values The entry into the parameter configuration mode is protected by the access code if an access code different from zero had been introduced In the case of 0000 code password inquiry is omitted If the access code is different from zero there is the possibility of parameter reviewing but changes are locked Values are set in this mode acc the table 3 Table 3 Manu Range Notice description factu rer s values Introduction of access SECU 0000 9999 0000 without code 0000 code Designa Parameter name tion Setting of meter parameters by the manufacturer rESt Y n Ratio of current trans former Ratio of voltage trans former trl Quantity on the con Quantity code acc tinuous output table 5 Factor of output rescaling 80 120 Range of the continu 0 0 20 ous output 4 4 20mA 18 Table 3 Quantity on the pulse Quant
3. 0 2 Hz 12 50 V d c 5 20 mA 0 24 V 50 for currents and voltages for currents and voltages RS 485 MODBUS data and meter state preservation during supply decays battery support work continuation after supply recovery IP 40 IP 10 0 8 kg 144 x 144 x 77 mm 13895 x 13805 Reference conditions and nominal operation conditions Input signal 0 0 01 1 2 In 0 0 01 1 2 Un for voltage current frequency power and energy 0 0 02 1 2 In 0 0 07 1 2 Un for Pf and t factors frequency 15 45 65 500 Hz sinusoidal input signal THD x 8 0 1 1 2 In 0 1 1 2 Un 47 52 Hz for THDU THDI and harmonics power factor ambient temperature air humidity power supply admissible peak factor current voltage external magnetic field short duration overload 5 sec voltage inputs current inputs working position warm up time 1 0 1 0 23 55 25 95 condensation 85 253 V d c or a c 40 400 Hz 2 2 0 40 400 2 Un max 1000 V 10 In optional 5 minutes Additional errors in 96 of the basic error input signal frequency ambient temperature changes Resistance against supply decays Standards fulfilled by the meter Electromagnetic compatibility immunity emission Safety requirements insulation ensured by the housing insulation between circuits i
4. 7 L1 His L2 S Ps i PIS eslis T L a nme T t Seal Siu 68 4 Sy eiz l 9 OLN 0262 8222 9c Sc vc ec ee 20261 81219 Pa Y M eno Er ev zy sindno sindy A 092798 Fig 2 Meter connection diagrams in three phase network 2 current transformers and 2 or 3 Intermediate measurement using voltage transformers in a 3 phase network 85 250 Vz INPuls Olpuls ALT 2 nes measurement 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 4 phase network 1213 41516 71819 11 1 x x L2 L3 N 85 250 v INpuls OUpuls ALT AL2 AL3 AOE E ao Half intermediate 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 measurement in a 4 wire network N 1 0 11213 41516 7 8 9 11 pp pas foso 1 S pS L1 T 5 L2 BL L3
5. S and A modes after the last page in the P mode 4 2 1 Measuring mode Values of different quantities are displayed acc programmed pages by the manufacturer or configurated by the user in the P mode The change of page is realized by pressing the ES Key The sequence of displayed pages is proceeded acc the table formed in the P mode The monitoring of maximal or minimal values is realized when press ing respectively the Ca Jo Y J key The cancellation of maximal or minimal values is realized when pressing the LES key during the monitoring of these values i e at first the Jor must be pressed and after the e key Alarms are active if they were allocated One must notice that alarm do not need to be related to quantities displayed on the page because a change of page would cause an action on two state outputs 15 4 2 1 1 Measurement of voltages and current harmonics The selection of harmonics is made by y pressing En keys for reviewing current harmonic or by _ gt keys for review ing voltage harmonics H 1 1 H 091 2 2 r 113 r The selected 01 02 03 or 11 12 13 quantity is signalled by the flash ing of the suitable digit One must choose Un the Jor key the required quantity and press the key The following quantities will be displayed Where w n chosen quantity e g U 1 n n harmo
6. This key enables in anytime the resignation of carried out operations It cancels alarms in measuring mode 13 4 2 N10 operating modes The N10 meter has 5 operating modes represented on the table 2 Table 2 NAME CALLING OUT OUTPUT Measuring Understood Through input to another mode Time setting in SETUP e after the procedure last parameter Page in SETUP CS or 4 after the configuration procedure last parameter Parameter in SETUP Jor 4 after the configuration procedure last parameter Alarm in SETUP 3 after the configuration procedure last parameter After its switching on the meter makes tests informing by the announcement where h2 02 No of the actual program version After tests carrying out the meter enters into the measuring mode and displays the page positioned before switching off The entry into another mode is made in the SETUP procedure In order to enter in the SETUP procedure one should press two keys during ca seconds until the audible signal will be switched off 14 e gt 0 10 Choose by means of keys the appropriate mode The active mode t 5 or A is signalled by the flashing of the suitable symbol Accept the chosen mode by the key The return from other modes into the measuring mode is carried out by means of the or key after the last parameter in t
7. MVarh 0 5 m v 0 2 range Pf active power factor 1 00 0 00 1 000 1 mv 20 Pf Power factor P S tgo factor ratio of reactive power to active power 99 9 0 99 9 1 m v 2 Error in the range 99 9 0 99 9 f frequency 15 0 500 0 Hz 0 5 m v THD U THD I harmonics 0 2 200 0 5 m v 20 Error in the range 10 120 U I 47 52 Hz Where Ku voltage transformer ratio Ki current transformer ratio m v measured value less significant display digit THD U full distorsion factor by voltage harmonics THD I full distorsion factor by current harmonics 27 Power consumption supply circuit voltage circuit current circuit Supply voltage Display section Analog output Relay output Passive pulse output Passive pulse input Measurement of the harmonics Up to the 25 th THD Total Harmonic Distortion Serial interface Transmission protocol Meter reaction to decays and supply recovery Degree of protection ensured by the case acc IEC529 frontal side rear side Weight Overall dimensions Panel cut out dimensions 28 lt 12 VA lt 0 5 VA lt 0 1 VA 85 250 V d c or a c 40 400 Hz 4 x 5 LED digits 14 mm high red or green digits 0 20 mA 4 20 mA selected from the keyboard accuracy 0 5 3 relays voltageless make contacts Load capacity 250 V a c 0 5
8. i e one can choose the position of the decimal digit by pressing the C or E the digit value by pressing the YJ or J The active position is signalled by the cursor One can accept the established value by pressing the Cea key or cancel it by pressing the key and come back to the measur ing mode causes the setting on the successive parameter 3 after the last parameter causes the memorization of setting values and the exit from the mode S Notice PA_S Y means that the average power P will be brought up to date every 15 30 or 60 minutes synchronized with the internal virtual timer PA_S n means that the average power will be calculated for the last 15 30 or 60 minutes and brought up to date every 1 seconde so called moving window 4 2 4 Alarm configuration mode A This mode serves to attribute the quantity to alarms Set the thresholds setting of alarm switching on and off also the direction of alarm action 20 Table 4 Manu Range Notice description factu rer s values Designa Parameter name tion Two state outpu Mn 0 1 34 Quantity code acc quantity DENN table 5 Two state outpu D Switch on value 01207 Two state outpu 0 120 switch off value Two state outpu 0 1 34 Quantity code acc quantity table 5 Two state outpu 0 120 96 switch on value d Two state outpu 0 120 96 switch off value Two state out
9. keys set required quantities on successive display sections The active position is signaled by the cursor One can accept the established value by the J key or cancel it by pressing the key lt causes the setting on the next parameter or the successive page lt after the last page causes the memorization of pages and the exit from the configuration mode P 5 ERROR CODES During the meter operation communicates concerning errors can occur Causes of errors are presented below Err1 when the voltage or the current is too low during the measurement Pf below 7 U and or below 2 I f below 0 5 THD U THD below 1 U I or the full interval of the PA t averaging time is not elapsed yet Err2 Lack of possibility to define the maximal or minimal quantity value lack of current usually after the meter Switching on or the cancellation of extremal values Lo F frequency lower than 47 Hz for THD U THD measurements Hi frequency higher than 52 Hz for THD U THD measurements 25 Alarm cancellation being being Change of displayed pages pressed Display of minimal values E cancellation MEASUREMENT Mode SELECTION of current harmonics 1 12 13 Harmonics 1 25 Choice of SETUP mode moe _ Change of display luminosity pressed Display of maximal va
10. POWER NETWORK PARAMETER ANALYSER N10 SERVIGE MANUAL 4 POWER NETWORK PARAMETER ANALYSER N10 Service manual APPLICATION cesi 5 2 METER SET 5 3 INSTALLATION icti ege eng 6 3 1 FITTING 3 2 EXTERNAL CONNECTION DIAGRAMS eene 7 4 PROGRAMMING 2 2 22222 2 22 200200 treten res 12 4 1 FACEPLATE DESCRIPTION eene 12 4 2 OPERATING MODES 2 teo ttr ana 14 4 2 1 MEASURING MODE ounce etuer 15 4 2 1 1 Measurement of voltage and current harmonics 16 42 2 TIME SETTING MODE t conii see 17 4 2 3 PARAMETER CONFIGURATION 18 4 2 4 ALARM CONFIGURATION MODE A 4 2 5 PAGE CONFIGURATION MODE P ERROR m TECHNICAL DATA 24 2 0000 ORDERING CODES essent MAINTENANCE AND GUARANTEE 1 APPLICATION The N10 type meter is a programmable digital instrument destined to measure parameters in three phase 3 or 4 wire power networks in symmetric and asymmetric systems with the simultaneous display of measured quantities and the digital transmission of their values and their conversion into an analog standard signal Th
11. e 5 Quantity name Without quantity display extinguished Phase 1 voltage KV L1 Line L1 current L1 Phase L1 active power M k W L1 Phase L1 reactive power M k VAr L1 Phase L1 apparent power M k VA L1 Phase L1 active power factor Pf P S Pf Phase 11 to factor tp Q P to L1 Phase L2 voltage KV L2 Line L2 current 12 Phase L2 active power M k W L2 Phase L2 reactive power M k VAr L2 Phase L2 apparent power M K VA 12 Phase L2 active power factor Pf PJ 5 Pf L2 Phase L2 to factor t Q P to L2 Phase 3 voltage KV L3 Line L3 current 13 Phase L3 active power M k W L3 Phase L3 reactive power M k VAr L3 Phase L3 apparent power M k VA L3 Phase L3 active power factor Pf PJ S Pf L3 Phase L3 to factor tp QJ to L3 Average 3 phase voltage KV 1 2 3 Average 3 phase current L1 L2 L3 22 3 phase active power LA EAS 3 phase reactive power Q L1 L2 L3 3 phase apparent power L1 L2 L3 Active power factor Pf P S L1 L2 L3 Average 3 phase t factor tp L1 L2 L3 Frequency Voltage between lines L1 L2 L1 L2 Voltage between lines L2 L3 L2 L3 Voltage between lines L3 L1 12311 Average between lines voiltage L1 L2 L3 15 minutes average active power 1 2 3 3 phase active energy L1 L2 L3 3 phase reactive energ
12. is meter enables the control and optimization of power electronic devices systems and industrial installations It ensures the measure ment of RMS voltage and current active power and energy reactive power and energy power factors frequency 15 minutes active mean powers Voltages and currents are multiplied by given voltage and current ratios of voltage and current measuring transformers Power and energy indications take into consideration values of programmed ratios This meter indicates additionally the actual time The value of each measured quantity can be transmitted to the superordinated system through the RS 485 interface One of the chosen quantity can be additionally transmitted by means of a standard current signal three relays outputs can be used to signalize exceedings of chosen quantities a pulse output to control energy counters with pulse inputs and a pulse input to check counters having pulse outputs Measurements are carried out by the sampling method of voltage and current signals The meter is adapted to be fixed into a pannel by means of holders 2 METER SET The set includes N10 type meter 1 pc service manual 1 pc guarantee card 1 pc holders to fix into a pannel 4 pcs Additionally for the execution with interface service manual of the serial interface 1 pc service manual of the WIZPAR program 1 pc lead of the RS 485 interface 1 pc matching resistor 1 pc diskette for the WIZPAR prog
13. ity code acc output table 5 Pulse number 1kWh kVar kVAhmax 2 pulses sec Quantity on the pulse Quantity code acc input T table 5 Constant of the ex Pulse number ternal energy counter 4kWh kVarh kVAh pulse input Cancellation of the ex ternal energy counter Y n counter of the pulse input Cancellation of the ac Y n tive energy counter Cancellation of the re Y n active energy counter Cancellation of the ap parent energy counter Y n Constans of the pulse output Cancellation of the 15 minutes active Y n power PAV max and min Value Averaging time of PAV 15 30 60 power min Synchronization of the PAV power averaging to the real timer Meter address in the system Rate of the serial interface Interface working m switched off interface modetr MODBUS ASCII 8N1 MODBUS ASCII 7E1 MODBUS ASCII 701 MODBUS RTU 8N2 MODBUS RTU 8E1 MODBUS RTU 801 Selection of the har 0 1 monic measurement Change of the access 0000 9999 code In parameters 5 8 10 21 the range 0 means that the appropriate output input is switched off 19 Notations N lack of parity no parity E bit checking the even parity bit checking the parity The entry into the procedure causes the setting on the parameter 1 or 2 if the access code is equal 0000 We adjust required values by means of gt Jkeys
14. lues cancellation SELECTION of voltage harmonics U1 U2 U3 Harmonics 12 25 Time Date and actual time setting Choice of page n 0 n 0 after 1 min or PARAMETR mode after the last parameter Parameter setting acc table 3 rESt Y manufacturer s parameters PAGE mode User s page Programation acc table 5 ALARM mode Alarm setting ace table 4 after the last parameter Choice of manufacturer s pages after the last page Fig 6 N10 meter working modes 26 6 TECHNICAL DATA Measuring ranges and admissible basic errors are shown on the table 6 Measured quantity U voltage 1 0 100 0 V Ku 1 4 0 400 0 V Ku 1 for Kuz1 400 0 KV Basic error 0 2 m v 0 1 range Table 6 remarks Ku 1 4000 current 0 010 1 000 Ki 1 0 050 5 000 A Ki 1 for Ki 1 20 00 0 2 m v 0 1 range P active power Py mean active power Active energy EnP EnPz 2 8 1999 9 W Wh for Ku 1 Kiz1 1999 9 MW MWh 0 5 m v 0 2 range S apparent power Apparent energy EnS EnSz 2 8 1999 9 VA VAh for Ku 1 Kiz1 1999 9 MVA MVAh 0 5 0 296 range Q reactive power Reactive energy EnQz 2 8 1999 9 Var Varh for Ku 1 Kiz1 1999 9 MVar
15. n it to the LUMEL s Quality Control Dept If the unit has been used in compliance with the instructions LUMEL S A guarantees to repair it free of charge 2 After the warranty period One should turn over the meter to repair in a certified service workshop The disassembling of the housing causes the cancellation of the granted guarantee Spare parts are available for the period of ten years from the date of purchase LUMEL S A reserves the right to make changes in design and specifications of any products as engi neering advances or necessity requires 31 L VZO OLN
16. nic number xxx x value of the n th harmonic The harmonic number up to the 25th harmonic can be changed by means of or CY keys The active position is signalled by the cursor One can return to display the selection of reviewed harmonics by pressing the e key A successive pressure of the key means the return to the measuring mode For wrong THD indications successive harmonic values will not be displayed 16 NOTICE Indications appear when the parameter 22 will be switch on in the SETUP mode i e the selection of the harmonic measurement and the assumptions concerning the measurement will be fulfilled 4 2 2 Setting time mode t After the entry into the SETUP procedure one must choose the mode t by pressing the lor 4 Jkey and the key Following values will be displayed y yy y mim did Where yyyy year mm month dd day By means of 4 J gt required values can be set i e the position of the decimal digit can be choosen by the 4 Jor the digit value by the Y or The cursor signalizes the active position The set value can be accepted by the key or cancelled by the SY key and comes back into the measuring mode lt causes the arrangement on the successive parameter after dd day causes the transition to hours and minutes settings Where hh hours mm minutes SS secondes
17. nstallation category pollution degree maximal working voltage in relation to ground 50 lt 50 10 C acc to EN 61000 6 2 acc EN 61000 6 2 acc EN 61000 6 4 acc EN 61010 1 dual basic 2 600 V a c 29 7 ORDERING CODES Execution codes for the N10 network parameter meter Table 7 NETWORK PARAMETER METER o x x x XT AT Input current In 1 X 5 2 acc order 9 Input phase voltage Un 100 V 400 V 2 acc order 9 Digital output without interface 0 with RS 485 interface 1 Display red digits green digits 2 Power supply 85 250 V d c or a c 40 400 Hz 0 acc order 9 Kind of execution standard 00 custom made 99 Acceptance tests without additional requirements with a quality inspection certificate acc customer s agreements after agreement with the manufacturer the execution numbering will be made by manufacturer 30 ORDERING EXAMPLE code N10 2 1 1 2 0 00 1 means input range 5 A 100 V RS 485 interface green displays power supply 85 250 V d c a c standard execution with a quality inspection certificate 8 MAINTENANCE AND GUARANTEE The N10 meter does not require any periodical maintenance In case of some incorrect unit operations 1 In the period of 12 months from the date of purchase One should take the meter down from the installation and retur
18. pu 0 1 34 Quantity code acc quantity table 5 Two state outpu 120 96 Switch on value Two state outpu 120 9 Switch off value 2 100 sec Time lag of alarm switching on Delay of alarm action The entry into the mode of alarm setting is not protected by the access code Alarms are active if they were attributed i e if a measured quantity different than zero table 5 has been attributed to them One must notice that alarms concern chosen quantities in the basic configura tion mode S and they are not related with quantities displayed on the page If the quantity value related to the alarm exceeds the declared threshold the two state output corresponding to this alarm will be switched on relay and the symbol Ai will be lighted If the quantity value decreases below the alarm threshold the two state output is switched off but the Ai signalling remains until the time of its cancellation by means of the ESC key The Aion AioF setting causes the alarm inverse action i e the output is switched on if the prescribed value decreases below the Aion value and the output is switched off if the value increases above the AioF threshold 21 4 2 5 Page configuration mode P This mode is used to select quantities displayed simultaneously on the meter i e to define user s pages A list of possible quantities and their codes are inserted in the table 5 Tabl
19. ram 1 pc 3 INSTALLATION 3 1 Fitting way The meter is adapted to be mounted by means of holders accor ding fig 1 The meter housing is made of a sell extinguishing plastics Housing dimensions are 144 x 144 x 77mm At the outside of the meter there are screwed terminal strips which enable the connection up to 2 5 mm external leads max 10 N10 E Mk VArWh 1 orsi n MkVArWh 586888 o AI piona TAR i5 1 01 prenas gt Mk VArWh 1 1 11 Y C C 144 Cut out the mounting plate Fig 1 Overall dimensions and fitting x way of the N10 meter L SETS Y 6 3 2 External connection diagrams 85 250 V Npuls OUpuls ALT 2 gene al NND NP oe 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 N10 Direct measurement in a 3 phase network 11213 41516 71819 11 L1 x L2 x L3 85 250 V INpuls OUpus ALT AL2 eeu A Half intermediate 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 measurement in a 3 phase network N 1 0 11213 41516 71819 11 n
20. rs with an RS 485 interface 11 4 PROGRAMMING 4 1 Faceplate description Display section Unit displayed quantity signalling MkVArWh of the displayed PEtO AT phase alarm signalling ESC left value value right ENTER resignation displacement decreasing increasing displacement acceptation key key key key key key Fig 5 View of the N10 meter faceplate The N10 meter has 6 keys four 5 digits display sections and il luminated symbols and parameter units Values of measured parameters are shown on active pages selected by successive pressures of the key A page consists of 4 optional quantities chosen from the table 5 and displayed simultaneously on the meter The page definition is described in the configuration mode P 12 Table 1 ENTER acceptance key Right displacement key Value increase key Value decrease key Left displacement key ESC resignation key The assignment of individual keys is as follows lt It is destined to accept the introduced value during the programma tion It enables the change of pages in the measuring mode Cv keys They destined to change the digit value on the decimal posi tion during the programmation They enable the display of suitably minimal and maximal values C Cr Keys They allow the cursor displacement to successive decimal posi tions during the programmation and enable the change of display luminosity e Key
21. y L1 L2 L3 3 phase apparent energy L1 L2 L3 Active energy from external counter Reactive energy from external counter Apparent energy from external counter Date day month Date year Time hours minutes Time secondes THD of the phase L1 voltage THD of the phase L2 voltage THD of the phase L3 voltage THD of the phase L1 current THD of the phase L2 current THD of the phase L3 current In the case of parameters 40 50 the denominations V and A have got a conventional character distinguishing the given parameter the basic quantity in 23 In order to define pages one must enter into the mode By pressing JC gt keys set the number nn of user s pages from the range 00 20 Accept by lt the chosen mode If the number of pages is set 00 it means that the user did not decide to define own pages and chose 7 pages programmed by the manufacturer Manufacturer s settings are shown below Page 1 Page 2 Page 3 Page 4 P Mk W yw W P2 Mk Ps Mk P Mk W Page 5 P Mk W EnP Mk Wh Q Mk VAr EnB Mk VArh Page 7 S Mk VA EnS Mk VAh Pf f If a non zero number of pages has been set then one must define the page contents nn page number kk quantity code acc to the table 5 3 xx FX xx 24 By pressing Jl gt
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