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POWER NETWORK PARAMETER ANALYSER

1. 1 12 13 Direct measurement 3 phase network 9 8 8 85 250 V 6 A1 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 11213 41516 71819 pem mmi v i H T L1 x L2 9r 13 CX Pi P Ha f intermediate measurement 3 phase network ysomjou aseyd e ui 5190 eBeyo JO pue sjeuuojsuej jueJno z 2 L M 1 5 5 a T tsh E E en VO BIN 9 9 0 UN ame quo wei are 0 62 82 2292 82 cc 12 02 61 81 2191 LA 2 9 A 092 58 8 E Fig 2 Meter connection diagrams in a three phase network 10 fama L1 L2 L3 8 8 2 2 8 85 250 V 8 A _ r 16 17 18 19 20 21 22 23 24 25226 27 28 29 30 11213 4 5 6 7 8 9 11 Direct measurement in a 4 wire network
2. 16 4 2 2 Setting time mode t After the entry into the SETUP procedure one must choose the mode t by pressing the Jor 4 Jkey and the lt key Following values will be displayed yyy Where year did mm month dd day By means of J J keys required values can be set i e the position of the decimal digit can be choosen by the or key the digit value by the _ key The cursor signals the active position The set value can be accepted by the key or cancelled by the key and comes back into the measuring mode causes the setting on the successive parameter after dd day causes the transition to hours and minutes settings hh mm Where hh hours SS mm mminutes SS secondes The setting of hours and minutes is similar to the setting of the year month and day after min minutes causes the memorization of set values and the exit from the mode t The second counter is not be set but it is zeroed when accepting minutes This means that in order to obtain an accurate timer setting one must wait till a full minute and then press 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 dif
3. 13 The assignment of individual keys Table 1 is as follows Ce Key It is destined to accept the introduced value during the programmation It enables the change of pages the acceptance key displacement key increase key measuring mode decrease key Cy Keys displacement key They are destined to change the digit resignation key value on the decimal position during the programmation They enable the display of suitably minimal and maximal values in the measure ment mode Keys They allow the displacement to successive decimal positions during the pro grammation and enable the change of display luminosity in the SETUP procedure Key This key enables in anytime the resignation of carried out operations It cancels alarms in measuring mode 4 2 N10A operating modes The N10A meter has 5 operating modes represented on the table 2 Table 2 MODE NAME CALLING OUTPUT OUT SYMBOL Measuring default Through entry to another mode in SETUP procedure Page in SETUP configuration procedure Time setting after the last parameter after the last page Parameter in SETUP co configuration procedure or after the last parameter Alarm configuration and analog outputs in SETUP procedure 645 or Jafter the last parameter 14 After its switching on the meter carries out tests infor
4. ORDERING EXAMPLE code N10A 2 1 1 2 0 00 1 means input range 5A 100 RS 485 interface green displays power supply 85 250 V d c a c standard version with a quality inspection certificate 8 MAINTENANCE AND WARRANTY The N10A 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 return it to the LUMEL s Quality Control Dept If the unit has been used in compliance with the instructions LUMEL S A warrants 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 spe cifications of any products as engineering advances or necessity requires 30 31 SALES PROGRAM MEASUREMENT DIGITAL and BARGRAPH PANEL METERS CONTROL MEASURING TRANSDUCERS ANALOG PANEL METERS DIN INSTRUMENTS RECORDING ANALOG and DIGITAL CLAMP ON METERS INDUSTRIAL and HOUSEHOLD CONTROLLERS CHART AND PAPERLESS RECORDERS POWER CONTROL UNITS and INVERTERS LARGE SIZE NUMERIC and ALPHANUMERIC DISPLAYS AUTOMOTIVE DASHBOARD INDICATORS ACCESSORIES FOR MEASURING INSTRUMENTS MEASURING SYSTEMS ENERG
5. 3 d 8 85 250 V IH 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 11213 4 1516 7 8 9 11 Ya PA Bas BUR B pse x 2 Ti 9e L3 Bp Half intermediate measurement 4 wire network IOMJOU 5190 JO pue jueuno z Jueweinsesw Y i 1 L L LI HS Sst dang a x gs m 24 ld 4 5 y nn y x uM ids H T HN 47 ES 8 V Re are me q E 6 84 919 e 62 83 Ze 9c sc vc ec 22112102161 81 21191 lt A 060688 5 ES m ened wire network Fig 3 Meter connection diagrams a four 11 gt N10A meter 2121 E Non lt 32 5 z resistor 4 5 ES sc oq Interface ESAS _ as lead N10A meter elo a mn 1
6. m v 20 Pf Power factor P S tgo factor ratio of reactive power to active power 99 9 0 99 9 1 m v 26 Error in the range 99 9 0 99 9 f frequency 15 0 500 0 Hz 0 5 mv THD U THD harmonics 0 2 200 0 5 m v 2c Error in the range 10 120 U 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 full distorsion factor by current harmonics 26 Serial interface Transmission protocol Meter reaction to decays and supply recovery Degree of protection ensured by the housing frontal side rear side Weight Overall dimensions Panel cut out dimensions RS 485 MODBUS e data and meter state preservation during supply decays battery support e work continuation after supply recovery IP 40 IP 10 0 8 kg 144 144 77 mm 138705 x 138705 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 lt 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 po
7. 196 in all the digital transmission of their values and the conversion into three bi directional analog output signals Internal current and voltage transformers ensure the galvanic separation of mea sured channels The N10A meter ensure the measurement of RMS voltage and current active re active and apparent power active reactive and apparent energy power coefficients frequency 15 minute average active power Voltages and currents are multiplied by voltage and current ratios of measuring transducers what is taking in consideration in calculations and indications of power and energy The meter shows also the real time The RS 485 interface enables the communication with the master system Other communication protocols can be realised through the external converter e g the PD7 type with MODBUS PROFIBUS One of the important feature 15 the possibility to perform the programmed selection of 3 quantities which are converted into bi directional current signals on 3 analog outputs of the meter The relay output can serve to signal the overflow of the chosen quantity threshold Measurements are carried out by the sampling method of the voltage and current signal The meter is adapted to be fixed a panel by means of holders Differences between N10 and N10A meters N10 N10A Analog outputs 1 output 0 20 mA 4 20 mA outputs 5 mA 0 5 mA accuracy 0 5 accuracy 0 2 Relay outputs 3 relays 1 relay Impulse pa
8. POWER NETWORK PARAMETER ANALYSER N10A SERVICE MANUAL POWER NETWORK PARAMETER ANALYSER N10A SERVICE MANUAL CONTENTS 1 APPLICATION ici isla 5 2 METER SEW 6 3 INSTALLATION 6 Bl EIFEING coa 6 3 2 EXTERNAL CONNECTION DIAGRAMS 8 4 PROGRAMMING deese 4 1 FACEPLATE 4 2 N10A OPERATING MODES 4 2 1 MEASURING 4 2 1 1 Measurement of voltage and current harmonics 16 4 2 2 TIME SETTING MODE 1 17 4 2 3 PARAMETER CONFIGURATION MODE 5 17 4 2 4 ALARM CONFIGURATION MODE 19 4 2 5 PAGE CONFIGURATION MODE P 19 5 ERROR CODES 6 TECHNICAL DATA ia T ORDERING CODES ocio 8 MAINTENANCE AND WARRANTY March 2007 KZ 1268 06 1 APPLICATIONS The N10A type meter is a programmable digital instrument destined to measure parameters in three phase three wire or four wire power networks in symmetric and asymmetric systems The N10A meter is a version of the N10 meter in which 3 bi directional analog outputs have been added for customers needs The N10A meter enables the display of measured and calculated quantities
9. Y HEAT CONTROL CUSTOM MADE PRODUCTS WE ALSO OFFER OUR SERVICES IN THE PRODUCTION OF m ALUMINIUM ALLOY PRESSURE CASTINGS PRECISION ENGINEERING AND THERMOPLASTICS PARTS PRESSURE CASTING DIES AND OTHER TOOLS QUALITY PROCEDURES According to ISO 9001 and ISO 14001 international requirements All our instruments have CE mark For more information please write to or phone our Export Department LUMEL Lubuskie Zaktady Aparat w Elektrycznych LUMEL S A ul Sulechowska 1 65 022 Zielona G ra Poland Tel 48 68 32 95 100 exchange Fax 48 68 32 95 101 e mail lumel lumel com pl http www lumel com pl Export Department Tel 48 68 32 95 302 or 04 Fax 48 68 325 40 91 e mail export lumel com pl
10. e Interface AM lead JUL 1 ii ecu mn NE PEN gt Interface N10A meter e amp lead No2 mn 5 lo o Ar T Interface LLILL a Mad te a E N10Ameter Z2 8 No 1 5 5 7 9 pin socket connector nm r4 CANON type QU ee a ME L X ei mi AA 1 2 1 son LIBMPC Computer Sf EE one s own capacity NOTICE To make the IBM PC N10A meter RS 485 connection it is recommended to use a double wire twisted conductor in a shield The shield should be connected to the earth in one point The shield is necessary when the environment is very perturbed Fig 4 Connecting way of N10A meters with an RS 485 interface 12 4 PROGRAMMING 4 1 Faceplate description Display section Unit displayed quantity signalling Mk VAr Wh of the displayed PftO AA phase signalling ESC left value value right ENTER resignation displacement decreasing increasing displacement acceptation key key ey key key key Fig 5 View of the N10A meter faceplate The N10A meter has 6 keys four 5 digits display sections illuminated 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
11. face switched off Notations N lack of parity no parity E bit checking the even parity bit checking the odd parity The entry into the procedure causes the setting on the parameter 1 2 ifthe access code is equal 0000 We adjust required values by means of J a Ce keys i e one can choose the position of the decimal digit by pressing the 7 Jor gt key the digit value by pressing the 4 Jor Y key The active position is signalled by the cursor One can accept the established value by pressing the L lt key or cancel it by pressing the lt key and come back to the measuring mode causes the setting on the successive parameter after the last parameter causes the memorization of setting values and the exit from the mode S Notice SzY 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 Szn means that the average power will be calculated for the last 15 30 or 60 minutes and brought up to date every 1 second 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 set the latency of alarm operation assign any quantity of the group of 34 parameters acc to table 5 of continuous output current signal
12. ferent from zero had been introduced 17 the case of 0000 code password inquiry is omitted Ifthe access code is different from zero there is the possibility of parameter reviewing but changes are locked Values are set in this mode acc to the table 3 Parameter name Introduction of access code Designa tion 0000 9999 Notice description 0000 without code Table 3 Manu facturer s values Setting of meter parameters by the manufacturer Y n Ratio of current transformer Ratio of voltage transformer Quantity on the continuous output Quantity code acc table 5 Cancellation of the active energy counter Y n Cancellation of the reactive energy counter Y n Cancellation of the apparent energy counter Cancellation of the 15 minu tes active power P max and min Value Averaging time of P power 15 30 60 min synchronization of the P y power averaging to the virtual timer Meter address in the system Speed of the serial interface 300 600 19200 Interface working mode 0 1 6 switched off interface MODBUS ASCII 8N1 MODBUS ASCII 7E1 MODBUS ASCII 701 MODBUS RTU 8N2 MODBUS RTU 8E1 MODBUS RTU 801 Selection of the harmonic measurement 0 1 18 Change of the access code 0000 9999 parameters 5 14 the range 0 means that the appropriate output or inter
13. his alarm will be switched on relay and the symbol A1 will be lighted If the quantity value decreases below the alarm threshold the two state output is switched off but the A1 signalling remains until the time of its cancellation by means of the ESC key 20 The Alon lt A1oF setting causes the alarm inverse action i e the output is swit ched on ifthe prescribed value decreases below the Alon value and the output is switched off if the value increases above the A1oF threshold Analog outputs for parameters accepting values positive and negative table 5 are bi directional for negative parameter values the analog output signal is also negative positive they are unidirectional e for positive parameter values the analog output signal is positive from the range 0 5 mA 4 2 5 Page configuration mode P This mode is used to select quantities displayed simultaneously on the meter e to define user s pages Alist of possible quantities and their codes are inserted in the table 5 Table 5 Quantity name Signalling Without quantity display extinguished Phase 1 voltage Line L1 curren Phase L1 active power Phase L1 reactive power Phase L1 apparent power Phase L1 active power factor Pf1 P1 51 Phase L1 tp1 factor tp1 Q1 P1 Phase L2 voltage Line L2 current Phase L2 active power Phase L2 reactive power Phase L2 apparent power Phase L2 act
14. ive power factor Pf2 P2 S2 Phase L2 102 factor tp2 Q2 P2 Phase 3 voltage Line L3 current Phase L3 active power Phase L3 reactive power Phase L3 apparent power Phase L3 active power factor Pf3 P3 S3 Phase L3 13 factor tp3 Q3 P3 Average 3 phase voltage 21 Quantity name Signalling Average 3 phase current k A L1 L2 L3 3 phase active power M k W L1 L2 L3 3 phase reactive power M k VAr L1 L2 L3 3 phase apparent power M k VA L1 L2 L3 Active power factor Pf P S Average 3 phase tp factor tp Q P L1 L2 L3 Frequency Voltage between lines L1 L2 L1 L2 Voltage between lines L2 L3 L2 L3 Voltage between lines L3 L1 L3 L1 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 energy 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 45 50 the deno PAG minations V and A have got a conventional character disting
15. lation C e SELECTION SELECTION of current harmonics of voltage harmonics 1 12 13 CO and 3 sec Harmonics 1 25 Choice of mode Change of display luminosity or Time mode Date and actual 1 time setting Choice of page 0 PARAMETR mode Parameter setting acc table 3 rESt Y manufacturer s parameters after the last parameter PAGE mode User s page Programation acc table 5 U1 U2 U3 Harmonics 1 25 Alarms and analog Outputs mode E after the last parameter Choice of manufacturer s pages Alarms and analog outputs settings acc to table 4 or after the last page Fig 6 N10A meter working modes 24 5 ERROR CODES During the meter operation communicates concerning errors can Causes of errors are presented below Err1 when the voltage or the current is too low during the measurement Pfi toi below 7 Un and or below 2 In f below 0 5 THD Ui THD li below 1 Un In 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 Ui THD li measurements Hi F frequency higher than 52 Hz for THD Ui THD measurement
16. m is active if it was allocated One must notice that the alarm do not need to be related to quantities displayed on the page because a change of page would cause an action on the two state output 4 2 1 1 Measurement of voltages and current harmonics The selection of harmonics is made by pressing keys for reviewing current harmonics or by 4 JL keys for reviewing voltage harmonics H I 1 H U 1 A 12 U 2 r 1 3 r U 3 The selected U1 U2 U3 11 12 I3 quantity is signalled by the flashing of the suitable digit One must choose by the _ Jor _ Jkey the required quantity and press the key The following quantities will be displayed w n h Where w n quantity e g U 1 n n harmonic number X X X value of the n th harmonic The harmonic number up to the 25th harmonic can be changed by means of keys The active position is signalled by the cursor One can return to display the selection of reviewed harmonics by pressing the key A successive pressure of the C key means the return to the measuring mode For wrong THD indications successive harmonic values will not be displayed NOTICE Indications appear when the parameter 15 will be switch on in the SETUP mode i e the selection of the harmonic measurement and the assumptions concerning their measurements will be fulfilled
17. ming by message where 1 01 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 5 t E t S A Choose by means of 4 keys the appropriate mode The active mode t P S 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 4 key after the last parameter in t 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 manu facturer or configurated by the user in the P mode The change of page is realized by pressing the Key The sequence of dis played pages is proceeded acc the table formed in the P mode The monitoring of maximal or minimal values is realized when pressing respectively the L4 Jor LY key The cancellation of maximal or minimal values 5 realized when pressing the key during the monitoring of these values at first the 15 Jor CY key must be pressed and after the key Alar
18. s 6 TECHNICAL DATA Measuring ranges and admissible basic errors are shown on the table 6 Power consumption supply circuit voltage circuit current circuit Supply Display section Outputs analogue outputs relay outputs Measurement of the harmonics Up to the 25 th THD Total Harmonic Distortion lt 12 VA lt 0 5 VA lt 0 1 VA 85 253 V d c or a c 40 400 Hz 4x 5 LED digits 14 mm high red or green digits 3 analog outputs 5 0 5 mA accuracy 0 296 1 relay voltageless make contacts load capacity 250 a c 0 5 A a c for currents and voltages for currents and voltages 25 Measured quantity U voltage 100 0 V Ku 1 400 0 V Ku 1 for Kuz1 400 0 KV Basic error 0 2 m v 0 1 range Table 6 remarks 1 4000 current 1 000 A Ki 1 5 000 A Ki 1 for 20 00 KA 0 2 m v 0 1 range Ki 1 20000 P active power mean active power Active energy EnP EnPz 0 0 1999 9 W Wh for Kuz1 Kiz1 1999 9 MW MWh 0 5 m v 0 2 range S apparent power Apparent energy EnS EnSz 0 0 1999 9 VA VAh for Kuz1 Kiz1 1999 9 MVA MVAh 0 5 m v 0 2 range reactive power Reactive energy EnQz 0 0 1999 9 Var Varh for Kuz1 Kiz1 1999 9 MVar MVarh 0 5 m v 0 2 range Pf active power factor 1 00 0 00 1 000 1
19. set the changing window of the input signal 19 Table 4 facturer s values Two state output 1 quantity A1_n los Quantity code acc 2 table 5 Parameter name Designa Notice tion description Two state output 1 switch 0 120 96 on value Two state output 1 switch 0 120 96 on value Delay in the alarm operation 0 100 sec Delay of alarm switching on Quantity on the continuous _ 0 1 34 Quantity code acc output nr 1 table 5 Lower value of the inpu 120 0 120 range Upper value of the inpu 120 0 120 range Quantity on the continuous 0 1 34 Quantity code acc output nr 2 table 5 Lower value of the inpu 120 0 120 range Upper value of the inpu 120 0 120 range Quantity on the continuous Hi 0 1 34 Quantity code acc output nr 3 table 5 Lower value of the inpu 120 0 120 range Upper value of the inpu 120 0 120 range The entry into the mode of alarm setting is not protected by the access code Alarms are active if they were attributed 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 configuration 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 t
20. ssive 1 output none outputs Impulse passive 1 input input 2 METER SET The set includes N10A type meter 1 pc service manual 1 pc warranty card 1 pc holders to fix into pannel 4 pcs Additionally for the execution with interface service manual of the serial interface 1 pc lead of the RS 485 interface 1 pc matching resistor 1 pc diskette for the WIZPAR program 1 pc 3 INSTALLATION 3 1 Fitting way The meter is adapted to be mounted by means of holders according fig 1 The meter housing is made of a sell extinguishing plastics Housing dimensions are 144x144x77mm At the rear side of the meter there are terminal strips which enable the connection of 2 5 mm external leads 10 Mk VAr Wh Pt to A4 MkVArWh to A2 Mk VArWh Pt to A3 144 Mk VAr Wh ptt c9 C Cut out in the mounting plate 138 05 gt Fig 1 Overall dimensions and fitting way of the N10A meter 3 2 External connection diagrams 85 250 V AU 4 Output a1 Output a2 Output a3 16 17 18 19 20 21 22 N p 5 A a 5 o N 29 30 2 o gt a A a o
21. uishing the given parameter the basic quantity in 96 In order to define pages one must enter into the mode P 22 By pressing J keys set number nn of user s pages from the range 00 20 Accept by the 4 key 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 2 Page 3 Page 4 U12 k V P Mk W U2s k V P2 Mk W Ust k V Ps Mk W U zs k V P Mk W P Mk W EnP Mk Wh Q Mk VAr EnB Mk VArh S Mk VA EnS Mk VAh Pf f If a non zero number of pages has been set then one must define the page con P k k G kk kk quantity code acc to the table 5 By pressing JU J keys set required quantities on successive display sections The active position is signaled by the cursor One can accept the established value by the key or cancel it by pressing the key 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 23 Power supply Alarm cancellation Change of displayed Test pages ES being being pressed 4 pressed Y eo MEASUREMENT CA i cancel
22. wer 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 C 25 95 no condensation 85 253 d c or a c 40 400 Hz 2 2 0 40 400 Alm 2 1000 10 In optional 5 minutes 27 Additional errors of the basic error input signal frequency lt 50 ambient temperature changes lt 50 10 C Electromagnetic compatibility immunity acc EN 61000 6 2 emission acc EN 61000 6 4 Safety requirements acc EN 61010 1 A1 insulation ensured by the housing dual insulation between circuits basic installation category pollution degree 2 maximal working voltage relation to earth 600 28 7 ORDERING CODES NETWORK PARAMETER METER N10A Input I current XA 5 2 acc order Input phase voltage 100 V 1 400 V 2 acc order 9 Digital output without interface 0 with RS 485 interface 1 Displays red digits green digits 2 Power supply 85 250 d c a c 40 400 Hz 0 acc order 9 Version standard 00 custom made 99 Acceptance test without additional requirements with a quality inspection certificate x nN acc customer s agreement after agreement with the manufacturer the code numbering will be made by the manufacturer 29

POWER NETWORK PARAMETER ANALYSER

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