meter of network parameters nd20 type user`s manual
Contents
1. aku oue 5495104 sio siam ewipneg uoss 808 gno duren snonu Mono e prye susp QAM i 4090 Jo on 10 an 1909 snondnuon 9523 888 0 ue 2309 18UBIH joed AL ou UO x 432 7348 Hove 1048 ug 1198 3798 3 vg 5 amod ewed 5 somod omod mod siu 9899 22909 yimenen one ones 9 a Sem ass 282 unos unos Teu PSU wang 6600 8884 Osea 3451 MM VEM eog saim news 7 3 35 21 33 0 08410 b b 1793 955 20 6 5 1 Setting of Meter Parameters Select the PAr mode in options by and approve the choice by the C push buttons push button Table 3 i 55 gee 853 2 Sc G 522 zeg 55 29 8 1 Introduction SEc OFF of the ac d sse 0 without code 0 cess code 60000 2 Ratio of iti the current 10000 1 transformer 3 Ratio of the voltage 4000 0 1 transformer 4 Synchroniza Syn 15 16 352. 0 5 Power factor PF 1 0 1 iom 196 Tangent factor 10 2 0 10 2 1 2 0 1 2 1 Cosinus 1 1 Sm 1 180 180 180 180 0 5 Imported active 0 99 999 999 9 5 40 596 r kWh Exported active 0 99 999 999 9 0 5 r energy kwh Reactive inductive 0 99 999 999 9 4 0 5 energy kvarh Reactive 0 99 999 999 9 5 0 5 capacitive energy kvarh THD 0 100 0 100 5 Depending on the set 1 ratio ratio of the voltage transformer 0 1 4000 0 and tr ratio ratio of the current transformer 1 10000 r of the range mv of the measured value Caution For the correct current measurement the presence of a voltage higher than 0 05 Un is required at least in one of the phase 62 Power input in supply circuit in voltage circuit in current circuit Display field Realay output Analog output Serial interface RS 485 Energy impulse output Constant of OC type output impulse lt 6VA lt 0 05 VA lt 0 05 VA dedicated display LCD 3 5 relay voltageless NO contacts load capacity 250 V 0 5 A current 0 4 20 24 mA load resistance lt 2500 resolution 0 01 of the range basic error 0 2 address 1 247 mode 8N2 8E1 801 8N1 baud rate 4 8 9 6 19 2 38 4 kbit s transmission protocol Modbus RTU response time 600 ms output of OC type
3. 330 519 o se exeud jo 1 S 28 04 gu gu vun vo or 33 2974 snu dd 01084 uano I 4609 0910 auim eseudes sos GER mes 838 2000 2 5323 7798 mod seyd GE bE dE v veu op 3389 208 Phos 8595 8723 gb Sbd 596 Sjueuno 4 96 eseud KBjeua Siewod Siewod Sjewod N 98844 ennonpu 908 dde Sawe pai 10 payoduy OA di Jodx3 493 4 5 b d 914 1170 u 593 493 73 dd i 45 45 53 den ved SEG 9 3 3 gP Buyo En 22 89078898 mdurem 9999820 7 wee joanes jonen nN prol voddns dou JOUDIH pe iu Fh Hy 15 394 Anueno D 338 5778 88801 E E apow
4. Safety requirements according to EN 61010 1 standard isolation between circuits installation category pollution level maximum phase to earth voltage for supply and measuring circuits for remaining circuits altitude above sea level acc to EN 61000 6 2 acc to EN 61000 6 4 basic 300 V 50V 2000 m 65 11 ORDERING CODES Table 14 Meter of network parameters ND20 X X X X XX Current input In 1 1 5 A X 5 2 Voltage input phase phase to phase Un 3x57 7 100 V 1 3 x 230 400 V Analog current output without analog output with programmable output O 4 20 mA 1 Supply voltage 85 253 V a c 90 300 V d c 1 20 40 V a c 20 60 V d c 2 Kind of version standard 00 custom made Language Polish English E other X Acceptance tests without extra quality requirements 0 with an extra quality inspection certificate acc to customer s requirements After agreeing with the manufacturer 66 Example of Order When ordering please respect successive code numbers The code 020 2 2 1 1 00 E 1 means ND20 meter of network parameters of ND20 type 2 current input In 5 A x 5 2 input voltage phase phase to phase Un 3 x 230 400 V 1 with programmable analog output 1 supply voltage 85 253 V a c 90 300 V d c 00 standard version E all desc
5. 7502 Active power of phase 11 W x v 6006 7006 7503 R Reactive power of phase L1 var x V 6008 7008 7504 Apparent power of phase L1 VA x v 6010 7010 7505 R Power factor PF of phase L1 x V 6012 7012 7506 Tg factor of phase L1 v 6014 7014 7507 Voltage of phase 12 V ES x 6016 7016 7508 R Current in phase L2 A 6018 7018 7509 Active power of phase 12 x 6020 7020 7510 Reactive power of phase L2 var x x 6022 7022 7511 Apparent power of phase L2 VA x ye 6024 7024 7512 R Power factor PF of phase 12 x x 6026 7026 7513 Tg factor of phase 12 x x 6028 7028 7514 R Voltage of phase 13 V y x x 6030 7030 7515 Current in phase L3 A 6032 7032 7516 Active power of phase L3 W x x 6034 7034 7517 Reactive power of phase L3 var x 6036 7036 7518 R Apparent power of phase L3 VA x x 6038 7038 7519 R Power factor PF of phase 13 x 6040 7040 7520 R Tg q factor of phase L3 x x 21 6042 7042 7521 Mean 3 phase voltage V Y x 6044 7044 7522 Mean 3 phase current A 6046 7046 7523 R 3 phase active power P1 P2 P3 6048 7048 7524 3 phase reactive power var Q1 Q2 Q3 6050 7050 7525 R 3 phase a
6. Synchronization of mean active tion of mean 2230 power active power c_60 15 15 minutes walking window record synchronized with the clock every 15 minutes c_15 measurement synchronize 15 with the clock every 15 minutes 30 measurement synchronized with the clock every 30 minutes c 60 measurement synchronized with the clock every 60 minutes 5 Number nHAr tHd ALL tHd THD of the 2 21 ALL successive calculations of measured harmonics inserted in registers harmonic 2 21 harmonic number THD in this mode the active energy is calculated 6 Storage of erLl on storage of only correct values minimum from the measuring range and maxi on storage of also error occurren On mum values ces in measurements values in with errors registers 1e20 and 1220 21 7 Way to qt trGLE calculate SInUS Q 52 P reactive power SINUS Q YU I sin ZU 1 i k harmonic number k 21 for 50 Hz 18 for 60 Hz 8 Way to inductive and capacitive calculate SIGn energy reactive SIGn positive and negative energy energy 9 Display LGHt oFF off disabled backlit 1 60 on enabled on 1 60 time in seconds of backlit on support since the push button pressure 10 Erasing of 0 no EnP no lack of actions watt hour Enq EnP erasing of active energy meters EnH
7. interval of time fig 11 The direct access to the archive is for 15 records including the date time and value placed in the range of addresses 1000 1077 The position of the first oldest archived sample is placed in the register 1000 however the position of the last archived sample youngest is placed in the register 1001 the value of the first record from 15 available records placed in registers 1003 1077 is written in the register 1002 The write of the first read out record value 1 9000 causes the data updating of 15 records for readout In registers in which samples were not already been written are 1 20 values 33 archive is organized in the shape of a circular buffer After writing the 9000 th value the next overwrites the oldest with number 0 and the successive the next with number 1 etc If the value of the register 1000 is higher than 1001 that means that the buffer was overflowed one time at least Eg the value 15 in the register 1000 and 14 in the register 1001 means that there were already more than nine thousand samples and oldest samples are from the record 15 up to 9000 next from the record 1 to the youngest record with number 14 The change of the current or voltage ratio kind of mean power causes the archive erasing The reset of averaged power or the change of averaging time does not erase the archive The automatic erasing of the archive and averaged power is performed when chan
8. 230 400 V Switching the alarm on after exceeding 3800 W switching the alarm off after decreasing 3100 W Calculate rated 3 phase active power P 230 V x 5 A 3450 W 3450 W 100 96 3450 W 100 3800 W ALon 96 3100 W ALoF 96 It appears ALon 110 ALoF 90 Set Monitored quantity P Kind of alarm n on ALon 110 ALoF 90 0 Example no 2 of alarm setting Set the alarm of earliest warning about the possibility to exceed the ordered 1 MW power on the level 90 at the one hour accounting Measuring current transformer 2500 5 A voltage 230 V Instantaneous maximum import of power 1 5 MW Calculate rated 3 phase active power of the ND20 meter P 2 3x 230 V x 2500 A 500 5 A 2 1 725 MW 500 3450 W 100 90 of ordered power rated power 90 0 1 MW 1 725 MW 52 1 96 of the rated meter value rounding down The ordered hourly power energy for consumption 1 MWh 4 quarters 900 MWs 90 810 MWs Remaining 10 at maximum power import would be used in time 900 MWs 1 5 MW 60 s 29 Imported ower 1 5 MW s An example of the parameter value Ordered power utilization of ordered Time 84040 8 14 05 8 15 00 State of contacts Relay 4 enabled Relay disabled 0 gt energy Ordered power ALon 90 0 ALof 89 9 Time of delay Aldt 0 sec Fig 10 Measurement of 60 minutes active power con
9. 54 Recording to n registers code 10h Example 6 Recording 2 registers start OFA3h 4003 address recorded values 20 2000 ing with the register with the Request Value for Value for CRC 9 z 2 register register Control 5 s 13 8 3 52 4003 OFA4 4004 sum 5 c 5 5 5 5 5 9 2 t 5 5 2 9 E B Bo cz 01 10 OF 00 02 04 00 14 07 DO BB 9A Response Device Function Register Number of CRC address address registers Control sum B1 1 01 10 00 02 2 Report identifying the device code 11h Example 7 Device identification Request Table 8 Device Function CRC address Control sum 01 11 CO 2C 40 Response o o 9 o 2 2 2 Information field of the device 3 2 s 5 software version eg 20 CRC 1 09 b 1 04 ND20 device Control 8 5 8 2 2 with software version 1 09 and sum 5 2 5 bootloader version 1 04 2 B 01 11 19 BC FF 4E 44 32 30 2D 31 2E 30 39 20 DB 42 20 20 20 20 20 20 62 2D 31 2E 30 34 20 Map of ND20 meter registers In the ND20 meter data are placed in 16 and 32 bit registers Process variables and meter parameters are placed in the address area of registers in a way depended
10. Fig 5 Message after starting the meter Caution If on displays the message Err Cal or Err EE appears one must contact the service shop 6 3 Monitoring of Parameters In the measuring mode quantities are displayed acc to settled tables The pressure of the ED push button left or push button right causes the transition between displayed quantities The pressure of the 3 push button Enter causes the transition between mean and additional displayed values The pressure of the push but ton down causes the monitoring of the minimum value however the pressure of the push button up causes the monitoring of the maximum value The pressure of the ESC push button during the monitoring of these values erases suitably minimum or maximum values During the operation in the measuring mode of all harmonics ALL table 3 instead 13 of harmonic energy harmonic percentage values displayed Through lt and Y push buttons one can switch between suc cessive harmonics The harmonic no is alternately displayed with the value Through the RS 485 interface one can set up the values that would be visualized starting from version 1 02 The error display is described in the chapter 8 When displaying the reactive power a marker indicating the load cha racter is displayed capacitive or inductive Displayed quantities in the field 9 fig 4 for 3 phase 4 wire measu rement mo
11. NrBL 14 float type 4 bytes in sequence 3 2 1 0 1077 R Table 11 5 Range Description By default address T tion 4000 RW 0 60000 Protection password 0 4001 RW 0 900 s Interlocking time of the renewed 0 switching of the relay output on 4002 RW Ordered mean power 10 1000 4003 RW 1 10000 Current transformer ratio 1 4004 RW 1 40000 Voltage transformer ratio 10 10 43 4005 4006 RW RW 0 3 0 22 Synchronization of mean active powe 0 15 minutes walking window record synchron minutes with 1 measuremen every 15 minutes 2 measuremen every 30 minutes 3 measuremen ized every 15 he clock synchronized with the clock synchronized with the clock synchronized every 60minutes with the clock Number of the harmonic measured MED 0 D 1 harmonics are succes sively measured and placed in registers 7660 7780 2 21 harmonic number with energy 4007 RW 0 1 Storage way of minimum and maximum values 0 without errors 1 with errors 4008 RW 0 1 Way to calculate reactive power 0 O V8 P k 1 Q YU sin ZU 1 c harmonic number k 21 for k 18 for 500152 60 2 4009 RW 0 1 Way to calculate reactive energy 0 inductive an d capacitive energy 1 positive and negative energy 40
12. def no yES parameters of the group no 6 5 3 Setting of Alarm Parameters Select the mode in options and approve the choice by the 3j push button Table 5 559 5 5 5 9 0 gro S 595 55 5 98 FEE gt ees Quantity in the alarm 1 output code AL_n table 6 P acc to the table 6 n on n oFF on oFF 4 2 AL_t Man Fig 9 n on HoFF AL1 3 24 Lower value A440 3 of the input ALoF 144 0 in 96 of the rated quantity value 99 range Upper value 4440 4 of the input ALon 144 0 of the rated quantity value 101 range ever the in seconds for quantities AL_n P_ord 5 ALdt 0 900 the delay occurs only when swit 0 switching ching the alarm on reaction In the situation when the support unction is enabled after the retreat of the alarm state the alarm symbol is not blanked but begins to pulsate In the AL1 3 alarm mode the signaling support is always Support of enab ed independently of the setting The signaling exists till the 6 AL_S oFF on moment of blanking it by means of OFF occurrence 2 signaling the c and push buttons combination during 3 seconds The function concerns only and exclusively the alarm signaling then relay contacts will be active without support acc to the selected type of alarm Interlocking 7 cfarenewed ggg in seconds 0 al
13. on 6 Apparent phase powers S OFF on on 7 Phase PF power factors on 8 Phase Tangents factors tG OFF on on 9 active energy EnP OFF on on 10 Output active energy EnP oFF on on 11 Inductive reactive energy Enq OFF on on 12 Capacity reactive energy oFF on on 13 THD of phase voltage tHdu OFF on on 14 THD of phase current tHd oFF on on 15 Harmonic input active energy En OFF on 16 Harmonic output active energy EnH oFF on on 17 Phase Cosinus cos OFF on on 18 Date date oFF on on 31 19 3 phase active reactive apparent 5 on power Displayed parameters in the row 4 20 Three phase mean current oFF 21 Current in neutral wire n oFF on 22 Three phase active power on 23 Three phase reactive power 3q 24 Three phase apparent power 35 OFF 25 Three phase mean power factor PF PF_A oFF on on 26 Three phase mean Tangent q factor G_A OFF on on 27 Three phase mean active power 15 30 OFF on on or 60 minutes 28 Three phase mean Cosinus COSA oFF on on 29 Hour HoUr oFF on on 30 Frequency Freq oFF on on 31 Three phase ordered power or oFF on on 32 Mean THD of phase voltages H3U oFF on on 33 ean THD of phase currents oFF 34 Diplay of parameters on 35 Displ
14. on the minimum value when the value is too lower 6 5 2 Setting of Output Parameters Select the out mode in options and approve the choice by the ush button P Table 4 5 6 52 Sc 5 2 5 55 He Seo 285 2 SS os E s B gt a 5 Quantity the continu 1 ous output An_n table 6 the code acc to the table 6 P code acc to the table 6 020 The selection 4 20 causes the swit 2 continuous Ant 4 20 ching on of the minimum output current 0 20 output limitation on the level ca 3 8 mA Lower value 144 0 3 of the input AnIL 144 0 in of the rated quantity value 0 range Upper value 44 0 4 of the input AnIH 144 O in of the rated quantity value 100 0 range Lower value 0 00 of the output AnOL VA 0 24 00 Upper value 0 00 6 of the output AnOH 24 00 inmA 20 range 4 23 Operating mode of the continuous Output nor output 7 operation Antr AnOL nor normal work nor mode nOh set value AnOL AnOH set value AnOH Output value 8 AL enor AnEr 0 24 inmA 24 9 Number of lo n Number of impulses for 1 kWh 5000 Address in 0 MODBUS Addr F 247 1 network Ti ransmission r8E1 1 mode trYb 801 8 2 r8n1 4 8k 9 6 2 Baud rate bAUd k 19 2 k 9 6 38 4 Manufacturer s Restoration of manufacturer s 3 parameters
15. on the variable value type Bits in 16 bit registers are numbered from the youngest to the oldest 00 015 32 bit registers include numbers of float type in IEEE 754 standard Table 9 Address Type of Description range value 1000 1077 Integer Archive of the averaged power profile The table 10 16 bits includes the register description record 4000 4055 Integer The value is placed in one 16 bit register The table 16 bits 11 includes the register description Registers for write and readout 6000 6319 Float Value placed in two successive 16 bit registers 2x 16 Registers include the same data as 32 bit registers bits from the area 7500 7659 Registers for readout Sequence of bytes 1 0 3 2 6320 6573 Float Value placed in two successive 16 bit registers 2x 16 Registers include the same data as 32 bit registers bits from the area 7660 7786 Registers for readout Sequence of bytes 1 0 3 2 41 7000 7319 Float Value placed in two successive 16 bit registers 2x16 Registers include the same data as 32 bit registers bits from the area 7500 7659 Registers for readout Sequence of bytes 3 2 1 0 7500 7659 Value placed in one 32 bit register The table 12 32 bits includes the register description Registers for readout 7660 7786 Value placed one 32 bit register The table 12 32 bits includes the regi
16. 10 RW Display backlit 0 disabled 1 60 backlit time in seconds since the push button pressure 61 always enabled 61 44 Erasing of watt hour meters 0 without changes 4011 RW 0 4 1 active energy 0 2 reactive energy 3 erase energy of harmonics 4 erase all energy 4012 RW 0 1 Erasing of mean active power 0 Pav 4013 RW 0 1 Erasing of the averaged power 0 archive 4014 RW 0 1 Erase min and max 0 Quantity on the alarm relay output Wig 152 code to the table 6 i Output type 0 n on 1 n oFF 4016 RW 0 6 2 on 3 oFF 0 4 H on 5 H oFF 6 AL1 3 1440 0 4017 RW 1440 Lower alarm switching value 990 1440 0 E 4018 RW 1440 Upper alarm switching value 1010 Delay of the alarm switching for quantity AL n P ord rgister 2019 090 4015 35 the delay occurs only 0 when the alarm is switched on 1 2000 4020 RW 10uA Alarm signaling support 0 Quantity on the continuous output epe Ew E no 1 code acc to the table 6 ay Continuous output type 4022 RW 0 1 0 0 20 mA 0 1 4 20 mA 1440 0 Lower value of the input range in pul 1440 oo oo of the rated input range 1440 0 Upper value of the input range 3924 RW 1440 in of the rated input range 1000 45 2000 0 Lower output range va
17. 13 6300 7300 7650 3 Y 6302 7302 7651 3 phase max 6304 7304 7652 R Angle between 01111 min V 6306 7306 7653 R Angle between 01111 max 6308 7308 7654 R Angle between 02 112 min Y x 6310 7310 7655 R Angle between 02 112 max x 6312 7312 7656 R Angle between 03113 min Y x 6314 7314 7657 R Anlgle between USil3 max x 6316 7316 7658 R Current in neutral wire min Y x 6318 7318 7659 Current in neutral wire max A x 6320 7800 7660 R U1 harmonic 2 vV 6358 7838 7679 R U1 harmonic 21 V 6360 7840 7680 U2 harmonic 2 Y x 6398 7878 7699 R U2 harmonic 21 N x 6400 7880 7700 U3 harmonic 2 Y x 6438 7918 7719 harmonic 21 926 Y x 58 6440 7920 7720 11 harmonic 2 96 N 6478 7958 7739 1 harmonic 21 Y 6480 7960 7740 12 harmonic 21 x 6518 7998 7759 R 12 harmonic 21 96 x 6520 8000 7760 I3 harmonic 2 96 V x 6558 8038 7779 13 harmonic 21 V 6560 8040 7780 R Consumed ordered power 96 1 6562 8042 7781 R 3 phase harmonic U THD U V 6564 8044 7782 3 phase harmonic I THD I A v x 6566 8046 7783 R 3 phase harmonic U THD U min V x 6568 8048 7784 R 3 phase harmonic U THD
18. 1413 12 transformers and 20r 3 voltage transformers ND20 in a 3 wire network 8171 Supply RS485 GNDIB Direct measurement in a 4 wire network 10 Supply RS 485 AL1 QUA1 E aurea a Semi indirect measurement in a 4 wire network 27 26 25 24 23 22121120 19 18 17 16 15 14 13 12 pcs TE L EUN Indirect measurement with LE the use of 3 current trans 27 26 25 2423 22 21 20 19 18 17 16 15 14 13 12 formers and 2 or 3 voltage transformers ina ND20 4 wire network Fig 3 Meter connection diagrams in a a single phase network b 3 phase 3 wire network 3 phase 4 wire network 11 6 ND20 PROGRAMMING 6 1 Frontal Panel 16 15 14 Af il L2 l La 2304 ITHD UN ALi AL2 3 k MRX War War PFig 11 10 201 03 03 0 20 1 2 3 Tk MW rHz AVG 4 5 Fig 4 Frontal panel Description of the frontal panel 1 abandon push button ESC 2 push button to displace to the left 3 push bu
19. 17 device identification Manufacturer s settings address 1 baud rate 9600 baud 8N2 mode Readout of n registers code 03h Example 1 Readout of 2 registers 16 bit of integer type starting with the register with the OFAOh 4000 address register values 10 100 Request Device Function Register Number of CRC address address registers Control sum B1 BO 1 BO 01 03 0 00 02 3D 37 Response Device Fun Num Register Number of CRC address ction ber of address registers Control bytes OFAO 4001 4000 1 BO 1 01 03 04 00 00 64 4 6 Example 2 Readout of 2 registers 32 bit of float type as 2 registers 16 bits starting with the register with the 1B58h 7000 address register values 10 100 Request Device Function Register Number of CRC address address registers Control sum 1 1 BO 01 03 1B 58 00 04 Response 9 Value from Value Value from Value from CRC register from register register Con 2 5 1858 register 1B5A 7002 1B5B trol 7000 1B59 7003 sum 21818 2 7001 28 2 Bi B2 Bi BO 01 03 08 41 20 00 00 42 C8 00 00 E4 6F Example 3 Readout of 2 registers 32 bit of float type as 2 registers 16 bit starting with the register with the 1770h 6000 address register
20. 5535 Reactive capacitive energy two 0 younger bytes Imported harmonic active ener 4046 0 15258 gy two older bytes 0 4047 R 0 65535 Imported harmonic active ener 0 gy two younger bytes Exported harmonic active ener 4 048 0 15258 gy two older bytes 0 4049 R 0 65535 Exported harmonic active ener 0 gy two younger bytes 4050 R 0 65535 Status register description 0 below 4051 R 0 65535 Serial number two older bytes 4052 R 0 65535 Serial number two younger b bytes 4053 R 0 65535 Program version 100 Displayed parameters of stan 4054 RW 0 65535 velis OxFFFF 4055 RW 0 65535 Displayed parameters of avera OxFFFE ge values 4056 RW 0 65535 Displayed parameters of stan OxFFFF dard values 2 Measurement mode 0 gt 3Ph 4057 RW 0 2 aw 1 gt 3Ph 4W 2 gt 1Ph 2W 0 4058 R 0 65535 reserved 0 47 4059 0 65535 reserved 0 4060 R 0265535 reserved 0 4061 R 0 65535 Register of status 2 description 0 below starting from version 1 09 Energy is made available in hundreds of watt hours var hours in double 16 bit register and for this reason one must divide them by 10 when n parenthesis suitably is placed resolution or unit calculating values of particular energy from registers ie Imported active energy register 4038 value x 65536 register 4039 value 10 kWh Exported active energy register 4040 value 65536
21. 66 7166 7583 Reactive power L1 Y N 6168 7168 7584 Reactive power L2 min var X 6170 7170 7585 Reactive power L2 max var 6172 7172 7586 Reactive power 13 min 6174 7174 7587 Reactive power 13 max Y 6176 7176 7588 Apparent power L1 min VA 6178 7178 7589 R Apparent power L1 max VA 6180 7180 7590 Apparent power L2 min VA Y x 6182 7182 7591 Apparent power L2 max VA 6184 7184 7592 Apparent power L3 min VA Y x 6186 7186 7593 R Apparent power L3 max VA 6188 7188 7594 Powerfactor PFjofphaseL1min 6190 7190 7595 R Powerfactor PF ofphaseL1 6192 7192 7596 Powerfactor PF ofphaseL2min Y x 6194 7194 7597 Powerfactor PF ofphaseL2max x 6196 7196 7598 R Powerfactor PF ofphaseL3min x 6198 7198 7599 R Powerfactor PF ofphaseL3max x 6200 7200 7600 Toy factor of phase L1 min Y x 6202 7202 7601 R Tg factor of phase L1 x max 6204 7204 7602 R go factor of phase L2 min x 6206 7206 7603 R Tg factor of phase L2 x max 6208 7208 7604 Toy factor of phase L3 min x 6210 7210 7605 R Tg factor of phase L3 x max 6212 7212 7606 R Ph
22. Enq erasing of reactive energy no ALL EnH erasing of harmonic energy ALL erasing of all energy 11 Erasing of PAO no yES yES erasing of power mean active no power 12 Reset PArO no yES yES erasing of archive of mean 5 active power archive 13 Ordered PAor 0 144 0 Ordered power for forecasting the power power consumption in of the 100 0 rated value 14 Measure conn 3Ph 4 Meter connection way ment mode 3Ph 3 3Ph 4 1Ph 2 15 Manu dEf no yES Restoration of manufacturer s facturer s parameters of the group no parameters The automatic erasing of energy is carried out for active energy when changing voltage or current ratio for reactive energy when changing voltage or current ratio the way of reactive power calculation for energy of harmonics when changing voltage or current ratio when changing the measured harmonic number 22 Values are set by means of _ lt 4 however the position of the set digit is selected by means of and gt push buttons The active position is signaled by the cursor The value is accepted by 1 the push button and resigned by the pressure of the push button During the acceptation the value insertion possibility in the range is checked In case when the value is set beyond the range the meter remains in the parameter edition mode however the value is set on the maximum value when the value is too higher or
23. Materm d o o tel 02 608 90 10 LUM EL info materm si www materm si METER OF NETWORK PARAMETERS ND20 TYPE USER S MANUAL Contents N c C s APPLICATION 5 aditij 6 BASIC REQUIREMENTS AND OPERATIONAL SAFETY 6 gt INSTALLATION e eee eere ce eun 1 METER DESGRIPTIDN reo 8 ND20 PROGRAMMING J reo cene eroe eee terne 12 UPDATING OF 50 e neret iter sin nnn 35 o RS 485 INTERFAGE 1er e tornei er Renner 37 ERROR CODES corrente rro than then une 60 L TECHNICAL to enne ier tanto nino trt nh nnn 62 VERSION CODES eerie titt irn rione terni nnn 66 MAINTENANCE AND GUARANTEE 68 1 APPLICATION The N20D meter is a digital programmable panel meter destined for the measurement of single phase power network parameters 2 wire network and 3 phase 3 4 wire network in balanced and unbalanced systems with the simultaneous display of measured quantities LCD display The meter enables the control and optimization of power elec tronics devices systems and industrial installation operations The meter ensures the measurement of rms values of voltage and current active reactive and appare
24. NPN passive of class A acc to EN 62053 31 supply voltage18 27 V current 10 27 mA 1000 20000 imp KWh independently of set tr U tr ratios Protection grade ensured by the casing from frontal side from terminal side Weight Overall dimensions IP 65 IP 20 0 3 kg 96 x 96 x 77 mm 63 Reference and rated operating conditions supply voltage input signal power factor ambient temperature storage temperature relative humidity admissible peak factor current intensity voltage external magnetic field short duration overload 5 s voltage inputs current inputs operating position preheating time Battery of the real time clock Additional errors in of the basic error from frequency of input signals 85 253 V a c 40 400 Hz or 90 300 V d c 20 40 V a c 40 400 Hz or 20 60 V d c 0 0 002 1 2 In 0 05 1 2 Un for current voltage 0 0 002 1 2 In 0 0 1 1 2 Un for power factors Pfi toi frequency 47 63 Hz sinusoidal THD lt 8 1 0 1 25 23 55 30 70 25 95 condensation inadmissible On 40 400 A m 2 Un max 1000 V 101 5 min CR2032 lt 50 from ambient temperature changes lt 50 10 C for THD gt 8 64 lt 100 Standards fulfilled by the meter Electromagnetic compatibility noise immunity noise emissions
25. U max V 6570 8050 7785 3 phase harmonic I THD I min 4 x 6572 8052 7786 3 phase harmonic I THD max Al x In case of a lower exceeding the value 1e20 is written in however after an upper exceeding or error occurrence the value 1e20 is written 59 9 ERROR CODES During the meter operation messages about errors can occur Reasons of errors are presented below Err1 when the voltage or current is too small when measuring tgoi cos THD harmonic below 10 Un PFi tggi cos below 1 In THD harmonic below 10 In f below 10 Un liny below 10 In bAd Freq When measuring harmonics THD if the frequency value is beyond the interval 48 52 Hz for 50Hz and 58 62 for 60 Hz Err bat Err CAL Err EE Err PAr Err Enrg 60 is displayed when the battery of the internal RTC clock is used up The measurement is carried out after switching the supply on and every day at midnight One can disable the message by the push button The disabled message remains inactive till the renewed switching of the meter on are displayed when the meter memory is damaged The meter must be sent to the manufacturer are displayed when operating parameters in the meter are incorrect One must restore manufacturer s parameters from the menu level or through RS 485 One can disable the message by the push button are dis
26. Wh of overflows in register 7559 reset after exceeding 99999999 9 kWh 6118 7118 7559 R Exported 3 phase active kWh x x harmonic energy counter bottling up 999999 kWh 6120 7120 7560 R Time hours minutes fv 6122 7122 7561 month day 5 6124 7124 7562 N IV fv 6126 7126 7563 R Analog output value mA IV v 6128 7128 7564 Voltage L1 min V x v 6130 7130 7565 Voltage 11 max V v 6132 7132 7566 Voltage L2 min V Y x x 6134 7134 7567 R Voltage L2 max V Y x 6136 7136 7568 Voltagee min Y x x 6138 7138 7569 R Voltage L3 max V 4 x 6140 7140 7570 Current L1 min A Viv N 6142 7142 7571 CurrentL1 max A 54 6144 7144 7572 Current L2 min A V x 6146 7146 7573 Current L2 max A V 6148 7148 7574 Current L3 min A V x 6150 7150 7575 Current L3 max A 2 6152 7152 7576 Active power L1 min W 6154 7154 7577 Active power L1 N 6156 7156 7578 Active power L2 min Ww 6158 7158 7579 Active power L2 max V x 6160 7160 7580 R Active power L3 min w 6162 7162 7581 Active power 13 max V 6162 7164 7582 Reactive power L1 min 61
27. able 3 table 4 def Y manufacturer s def Y manufacturer s parameters parameters Meter parameters mode Parameters acc to the table 5 def Y manufacturer s parameters Selection of quantities for modification dAtE mode Parameters acc to the table 7 diSp mode Change of quantity gt Parameters acc to value the table 8 30 sec or Exit each programming mode automatically after 30 seconds or after pressing 2 Fig 6 Operating modes of the ND20 meter 18 6 5 Parameter Settings THDUI AL2 amp J LL 1 1 2 MP HH fel LC Ee Fig 7 Setup menu The entry in the programming mode is carried out through the pressure and holding down of the push button during ca 3 sec The entry in the programming mode is protected by the access code If there is not such a code the program transits into the programming option The inscription SET is displayed in the first row and the first group of PAr parameters The monitoring of parameters is always available through the pressure and holding down the push button during ca 3 sec 19 siueuno seBeyon
28. arm swit ching on Mano Restoration of manufacturer s 8 facturer s dEF no yES no parameters of the group parameters The write of the value A Lon lower than ALoF switches the alarm off 25 Selection of the monitored value Table 6 Value for the percentage Kind of quantity conversion of alarm valu es and outputs 100 off lack of quantity alarm disabled voltage of phase L1 Un V Un nx cow W 5 s T power of phase L2 Un x In cos 0 W reactive power of phase 12 Un x In x sin 90 var pparent power of phase L2 Un x In VA Pre ive power factor PF of phase L2 a tg2 190 coefficient of phase 12 15 voltage of phase L3 1 current in the phase wire L3 active power of phase L3 Un x In x cos 0 W reactive power of phase L3 Un x In x sin 90 var apparent power of phase L3 Un x In VA MEM E C O 1 1 8 rrent the phase wire 12 26 mean 3 phase voltage Un M gt a asa 3 phase active power 3xUn x cos 0 P1 P2 P3 3 phase reactive Power 3x Unix m 5790 01 02 03 var I 32 ust phase o pnase votage 1811 Jon usa mean mean phase to phase voltage to phase voltage 48 Un V 1 w SM mean active p
29. ase to phase voltage V v 11 2 min 6214 7214 7607 Phase to phase voltage V v L1 2 max 6216 7216 7608 R Phase to phase voltage V v L2 3 min 6218 7218 7609 R Phase to phase voltage V v L2 3 max 6220 7220 7610 Phase to phase voltage V v 13 1 min 6222 7222 7611 R Phase to phase voltage V v L3 1 max 6224 7224 7612 R ean 3 phase voltage min V vV v 6226 7226 7613 R lean 3 phase voltage max V St s 6228 7228 7614 R ean 3 phase current min V v 6230 7230 7615 R ean 3 phase current max A 6232 7232 7616 R 3 phase active power min W v 6234 7234 7617 3 phase active power max W 6236 7236 7618 3 phase reactive power min var V v 6238 7238 7619 R 3 phase reactive power max var 6240 7240 7620 3 phase apparent power VA V v 56 6242 7242 7621 apparent power max 6242 7244 7622 lean power factor PF min V x 6246 7246 7623 R ean power factor x 6248 7248 7624 ean Tg factor min V x 6250 7250 7625 ean factor max x 6252 7252 7626 Frequency min Hz 6254 7254 7627 Frequency max Hz Y 6256 7256 7628 R ean phase to phase V voltage min 6258 7258 7629 R Mean pha
30. ation and commissioning as well as maintenance must be carried out by qualified skilled per sonnel and national regulations for the prevention of accidents must be observed e Before switching the meter on one must check the correctness of connection to the network e Before removing the meter housing one must switch the supply off and disconnect measuring circuits e The removal of the meter housing during the guarantee contract pe riod may cause its cancellation The ND20 meter is destined to be installed and used in industrial electromagnetic environment conditions One must remember that in the building installation a switch or a cir cuit breaker should be installed This switch should be located near the device easy accessible by the operator and suitably marked 4 INSTALLATION The ND20 meter is adapted to be fixed on a panel by means of holders The fitting way is presented on the fig 1 Housing overall dimensions 96 x 96 x 77 mm At the rear side of the meter there are screw terminal strips which enable the connection of external wires with a cross section up to 2 5 One must prepare 92 5 96x92 5 6mm cut outinthe panel The material thickness which the panel is made from should not exceed 15 mm Insert the meter from the frontal panel side with the disconnected sup ply voltage After the insertion into the hole fix the meter by means of holders Fig 2 Meter overa
31. ay S3phase Displaying optional Displayed quantities in the field 8 fig 4 Table 2b Displayed 3L A 3L w 3L var 3L VA 3L PF 3L tg 3L Wave Displayed Imaen P Q S PFmean tgmean intherow 3phase 60 Displaying optional Backlit 3L c Hz symbols Consumption of ordered power in the row 4 15 30 or 60 minutes time Displaying optional 16 Performed calculations Reactive power the calculation method configured Des s p i or Q Y U I sin ZU I i i l where k harmonic number k 21 dla 50 Hz k 18 dla 60 Hz Power factor PF PF P S Tangens power fg P Cosinus cosinus between U and The exceeding of the upper indication range is signaled on the display by upper horizontal lines however the exceeding of the lower range is signaled by lower horizontal lines In case of averaged power measurement P3 phase single measurements are carried out with a 15 seconds quantum Suitably to the 15 min 30 min 60 min selection 60 120 or 240 measurements are averaged After starting the meter or the power erasing the first value will be calculated after 15 seconds since the meter switching on or erasing Till the time to obtain all active power samples the value of averaged power is calculated from already measured samples The current in the neut
32. ay of parameters OFF off Note When you turn off the display of all parameters the phase current values and three phase mean current are displayed 32 6 6 Configuration of THD Measurement Harmonics and Energy for the Harmonic The meter has 3 work modes related to the THD and harmonic calculation When setting the parameter of the harmonic number meter measures every 1 second only the THD value for currents and voltages the result is exposed on the display and expressed in registers in percentages Energy of harmonics is reset and particular harmonics include the error value 1 20 All the meter measures harmonics from 2 up to 21 for 50 Hz frequency from 2 up to 18 for 60 Hz frequency Energy of harmonics is reset 2 21 measurement of the selected harmonic value every 1 second the result is exposed on the display and in basic units V A in registers Energy for the given harmonic is counted up The switching of the harmonic number or the change of voltage or current ratio resets energy for harmonics 6 7 Archive Active Power Profile The ND20 meter is equipped with an archive allowing to store up to 9000 measurements of mean active power Mean active power PAV is archived with a 15 30 60 minutes interval of time synchronized with the real time clock In case of operation in the 15 minutes walking window mode the archiving is performed in the same way as for the 15 minutes
33. dard values 2 address 4056 R W Bit 15 6 reserved Bit 5 1 displaying of power XP XS Bit 4 1 displaying of phase apparent powers 1 displaying of phase reactive powers Bit 2 1 displaying of phase active powers Bit 1 1 displaying of phase currents Bit 0 1 displaying of phase voltages Configuration register of displayed parameters of average values address 4055 R W Bi Bit 13 1 displaying of mean THD of current 15 14 reserved Bit 12 1 displaying of mean THD of voltage Bit 11 1 displaying of power XS Bit 10 1 displaying of power YQ Bit 9 1 displaying of power Bit8 1 displaying of average current Bit 7 1 displaying of ordered power consumption Bit 6 1 displaying of frequency 50 Bit 5 1 displaying of time Bit 4 1 displaying of average cosine Bit 3 1 displaying of average active power Bit 2 1 displaying of average tg Bit 1 1 displaying of average PF Bit 0 1 displaying of current in neutral wire Table 12 5222 esa ess gt 5185 5 amp 5 amp RS 6000 7000 7500 R Voltage of phase L1 x v 6002 7002 7501 Current in phase 11 Y V 6004 7004
34. de 3Ph 4W and single phase 1Ph 2W are presented in the table and 19 Table ta Li V Liz V Li A L W Li Var Li VA Li PF Li tg Backlit symbols La V Lea V L2 A L2 W L2 Var L2 VA FF L2 tg kWh La V La V 3 La La VA La PF Ls tg row 1 Ut 0121 n Q1 51 PF1 101 5 Imported 5 3 row2 021 121 p 021 821 21 1021 energy2 EF 1 1 1 1 1 1 1 1 EAR 3 U3 031 53 tg3 Displaying optional dk Li U THD U Li I THD I Backlit symbols kWh kVarh kVarh Le U THD U Le THD I Ls U THD U Ls I Uhi V Iht A 5 row 1 THD1 96 THD1 s 5 m pog 80 reactive positive reactive negative THD2 THD2 8 energy energy energy E 5 3 Ih3 A a THD3 THD3 Displaying optional 14 Backlit kWh kWh mi symbols Ul Ul li VA g row 1 Uhin 96 Uhin 96 cosinusg1 year 1 5 g imported 8 harmonie Uh2n 1 active Uh2n 1 cosinusp21 month Qaphase 1 active 8 energy 1 energy 8 row3 Uh3n 96 1 Uhan 1 cosinusp3 1 day 1 Displaying optional Harmonic voltage current of L1 L2 L3 phases for n harmonic Displayed quantitie
35. er of overflows in register 7549 reset after exceeding 99999999 9 kWh Imported 3 phase active energy counter totting up to 99999 9 kWh 100 MWh kWh EM ES P1 6100 7100 7550 Exported 3 phase active energy number of overflows in register 7551 reset after exceeding 99999999 9 kWh 100 MWh P1 6102 7102 7551 Exported 3 phase active energy counter totting up to 99999 9 kWh kWh P1 6104 7104 7552 3 phase reactive inductive energy number of overflows in register 7553 reset after exceeding 99999999 9 kVarh 100 Mvarh Q1 6106 7106 7553 3 phase reactive inductive energy counter totting up to 99999 9 kVarh kvarh Q1 6108 7108 7554 3 phase reactive capacitive energy number of overflows in register 7555 reset after exceeding 99999999 9 kVarh 100 Mvarh Q1 53 6110 7110 7555 3 phase reactive capacitive Q1 energy counter totting up to 99999 9 kVarh 6112 7112 7556 Imported 3 phase active 100 x harmonic energy number MWh of overflows in register 7557 reset after exceeding 99999999 9 kWh 6114 7114 7557 R mported 3 phase active kWh Y x x harmonic energy counter up 99909909 kWh 6116 7116 7558 Exported 3 phase active 100 x x harmonic energy number M
36. ging the voltage or current ratio Result Result Result Result Result Mean power Pav 8 00 8 15 8 30 8 45 9 00 Time on the interna clock Fig 11 Measurement of 15 minutes mean active power synchronized with the clock 34 7 UPDATING OF SOFTWARE Function enabling updating of software from the computer of the PC with software LPCon was implementation in meter ND20 from software version 1 09 Free software LPCon and update files are accessible on the site www lumel com pl The connected to the computer converter RS485 is required on USB to the updating e g the converter PD10 Fig 13 Program view a LPCon b updating of software Note After updating the software the manufacturer s settings of the meter should be set so it is recommended to save the meter parameters before updating using the software LPCon 35 After starting 5 software port baudrate transmission mode and adress should be set It can be done in Options Then ND20 meter should be selected from Device Push icon Loadto read and save current settings Open window Lumel Updater LU figure 13b from Updating Updating of devices firmware Push Connect Update progress is shown in Messages section Text Port opened appear after correctly opened port Putting meter in update s mode can be done in two ways remote from LU with settings from LPCon port baudrate transmission mode and adress or by t
37. i Bi 15 12 reserved 11 1 3L maximum 10 1 capacitive 3L minimum 9 1 capacitive 3L 8 1 capacitive maximum 7 1 capacitive L3 minimum 6 1 capacitive L3 Bit 5 1 capacitive L2 maximum Bit 4 1 capacitive L2 minimum Bit 3 1 capacitive L2 Bit 2 1 capacitive L1 maximum Bit 1 1 capacitive L1 minimum 1 L1 Configuration register of displayed parameters of standard values address 4054 R W Bit 15 13 reserved Bit 12 1 displaying of the date Bit 11 1 displaying of the cosine p values Bit 10 1 displaying of active exported harmonic energy value of current harmonic Bi 9 1 displaying of active imported harmonic energy value of voltage harmonic Bi 8 17 displaying of THD current value of current harmonic Bi 7 1 displaying of THD voltage value of voltage harmonic Bit 6 1 displaying o capacitive passive energy Bit 5 1 displaying of inductive passive energy Bit 4 1 displaying of exported active energy Bit 3 1 displaying of imported active energy Bit 2 1 displaying of tg Bit 1 1 displaying of PF Bit 0 1 displaying of phase to phase voltages 49 Configuration register of displayed parameters of stan
38. ll dimensions 5 METER DESCRIPTION 5 1 Current Inputs All current inputs are galvanically isolated internal current transfor mers The meter is adapted to co operate with external measuring cur rent transformers Displayed current values and derivative quantities are automatically recoun in relation to the introduced external current transformer ratio Current inputs are defined in the order as 1 A or 5 A 5 2 Voltage Inputs Quantities on voltage inputs are automatically converted acc to the introduced ratio of the external voltage transformer Voltage inputs are defined in the order as 3 x 57 7 100 V 3 x 230 400 V 5 3 Connection Diagrams 8 Supply 485 OUpuse ALI OUA4 7 ii i gt Ne LI Direct semi direct 27126 25 24 23 22121 20191811716 15141312 indirect single phase ND20 measurement 5 Supply RS 485 AL1 OUA1 TE N j Supply RS485 OUpuse OUA1 i i 27 2e 25 24 23 22 21 20 16115114 dps ND20 e 9 8 7 Direct measure ment in a 3 wire network Semi indirect measurement in a 3 wire network Supply RS 485 OUpuise ouat 1 Indirect measurement with the use of 3 current 27 26 26 24 23 22 1 20 19 18 17 16 16
39. lue of the 4025 RW 2000 0 10uA output 10 uA 1 2000 Upper output range value of the 4026 RWY 10uA output 10 uA 2000 Manual switching of the analog output 1 0 normal work 0 2 1 set value from the register 4026 0 2 value from the register 4027 0 24 4028 RW mA Analog output value when error 24 1000 Number of impulses for the SES Fi 20000 impulse output SUED 4030 BW 1 247 Address in the MODBUS 1 network Transmission mode 0 gt r8n2 EW 052 1 gt r8E1 2 801 3 gt r8n1 5 Baud rate 0 4800 1 gt 9600 TuS RW Hum 2 219200 3 238400 4033 RW 04 9 up to date the transmis 0 sion parameter change 4034 RW 0 2359 Hour 100 Minutes 0 4035 RW 1281 Month 100 day 101 2009 4036 RW 2100 Year 2009 Record of standard parame 4037 RW 0 1 ters together with the reset of 0 energy and min max averaged power 4038 R 0 15258 Imported active energy two 0 older bytes 4039 R 0 65535 Imported active energy two 0 46 younger bytes Exportedactive energy two 4040 R 0 15258 older bytes 0 4041 R 0 65535 exported active energy two 0 younger bytes 4042 R 0 15258 Reactive inductive energy two 0 older bytes 4043 R 0 65535 Reactive inductive energy two 0 younger bytes 4044 R 0 15258 Reactive capacitive energy two older bytes 4045 R 0 6
40. nt power active reactive ener gy power factors frequency 15 30 60 minutes mean active power archive of power profile THD and harmonic measurements Additio nally the current value in the neutral wire is calculated Voltages and currents are multiplied by given voltage and current ratios of measuring transformers Indications of power and energy take into consideration values of programmed ratios The value of each measured quantity can be transmitted to the master system through the RS 485 interface The relay output signals the overflow of the chosen quantity and the pulse output can be used for the consumption check of 3 phase active and reactive energy The meter has additionally a continuous current output The meter has a galvanic separation between respective blocks supply measuring inputs voltage and current inputs analog output RS 485 output impulse output 2 5 set of the ND20 meter is composed of 1 ND20 meter 1 06 2 user s manual 1 pc 3 guarantee 1 SOA 1 5 holders to fix the meter in the panel 4 pcs 3 BASIC REQUIREMENTS AND OPERATIONAL SAFETY In the safety service scope the ND20 meter meets to requirements of the EN 61010 1 standard Observations Concerning the Operational Safety All operations concerning transport install
41. ower 35 Eod Used percentage of the ordered 100 active power consumed energy Un In rated values of voltages and currents Contact state 1 Relay enabled 0 Relay disabled ALof ALon Measured value a n on 27 Relay Relay 0 enabled disabled ALof ALon Measured value b n off Contact state Relay enabled Relay Relay disabled disabled ALof ALon Measured value c On Relay enabled Relay enabled ALof ALon Measured value d OFF Fig 9 Alarm types a b normal c enabled d disabled 28 Remaining types of the alarm H on always enabled H oFF always disabled AL1 3 in this mode the alarm quan the alarm appears on whichever pha suitable symbol remains switched o ity must be from the range 0 7 When se the relay will be enabled and the n AL1 phase 1 AL2 phase 2 phase It will be disabled only when all alarms disappear Alarms operate in the n on mode with identical hysteresis thresholds ALof and ALon for each phase The alarm condition withdraw is signaled by the pulsation of the alarm symbol indep the alarm signaling The blanking o endently of the set support value of the signaling support follows after pressing and push buttons during sec Example no 1 of alarm setting Set the alarm of n on type for the monitored quantity P 3 phase active power version 5 A 3 x
42. played when energy values in the meter are incorrect One can disable the message by the lt push button Incorrect energy values are reset Err L2 L3 error of phase sequence one must interchange the connection of phase 2 and phase 3 One can disable the message by the amp push button Each time you power up the message will be displayed again lower overflow The measured value is smaller than the lower measuring quantity range upper overflow The measured value is higher than the upper measuring quantity range or measurement error 61 Measuring ranges and admissible basic error suring ranges 55 basic errors Table 13 Measured Buer Measuring Li 12 13 value range range error Current In 1A 0 00 12 0 002 1 200 A 0 2 0 00 60 0 010 6 000 A Voltage L N STIN 0 0 280 kV 2 8 70 0 V 0 2 230 V 0 0 1 104 MV 11 5 276 V Voltage L L 100 V 0 0 480 kV 5 120 V je 0 5 400 V 0 0 1 92 MV 20 480 V Frequency 47 0 63 0 Hz 47 0 63 0 Hz 0 2 mv 9999 MW 0 00W 1 65 kW 1 4 Active power 9999 MW W 1 65 kW 0 5 Be Er 9999 Mvar 0 00 1 65 kvar 1 4 E 5 40 596 r 9999 var 1 65 kvar FE Apparent power 0 00 VA 9999 MVA 1 4 VA 1 65 kVA
43. pparent power VA vV N 81 52 53 6052 7052 7526 ean power factor PF V 6054 7054 7527 lean Tg g factor of phase L1 v 6056 7056 7528 Frequency Hz v 6058 7058 7529 Phase to phase voltage L1 2 V v 6060 7060 7530 R Phase to phase voltage L2 3 V 6062 7062 7531 Phase to phase voltage L3 1 V v 6064 7064 7532 R ean phase to phase V V voltage 6066 7066 7533 R 3 phase 15 30 60 minutes W active Power P2 6068 7068 7534 R Harmonic U1 THD Ut V x 6070 7070 7535 R HarmonicU2 THD U2 V N x 6072 7072 7536 R Harmonic U3 THD U3 V N x 6074 7074 7537 Harmonic 11 THD 11 79 6076 7076 7538 Harmonic 12 THD 12 Al x 6078 7078 7539 Harmonic 13 THD IN 6080 7080 7540 Cosinus of angle between Y x U1 and 1 6082 7082 7541 Cosinus of angle between Y x U2 and 12 6084 7084 7542 Cosinus of angle between Y x U3 and 52 6086 7086 7543 3 phase mean cosinus 6088 7088 7544 Angle between U1 and 11 6090 7090 7545 Angle between U2 112 6092 7092 6094 7094 6096 7096 6098 7098 7546 7547 7548 7549 EN U ee U Angle between U3 i 13 Current in neutral wire calculated from vectors Imported 3 phase active energy numb
44. ral wire ley is calculated from phase current vectors The value of consumed ordered power can be used for a previous warning against the exceeding of ordered power and to escape of fines related with it The consumption of ordered power is calculated on the base of time interval set for the synchronization of the mean active power and the value of ordered power section 6 5 1 the consumption example is presented in the section 6 5 3 The alarm switching on is signaled by the lighting of the AL1 inscription in the mode AL1 3 of AL1 AL2 AL3 inscriptions The end of alarm duration at the alarm signaling support switched on is indicated by the pulsation of the AL1 inscription in the mode AL 1 3 of AL1 AL2 inscriptions 17 6 4 Operating modes Display of minimum and maximum value eS eS Reset Reset min 3 30 Supply switching on Change of displayed basic quantities Change of displayed mean quantities Reset of alarm support Monitoring of parameters or Introduce the code ivan c or 30 Selection of Set parameters 2 or 30 sec PAr out ALr dAtE diSp Meter parameters mode Meter parameters mode Parameters acc to the Parameters acc to the t
45. register 4041 value 10 kWh Reactive inductive energy register 4042 value x 65536 register 4043 value 10 KVarh Reactive capacitive energy register 4044 value x 65536 register 4045 value 10 kVarh Imported active harmonic energy register 4046 value x 65536 register 4047 value 10 kWh Exported active harmonic energy register 4048 value x 65536 register 4049 value 10 kWh Device status register address 4050 R Bit 15 1 damage of the non volatile memory Bit 14 1 lack of calibration or erroneous calibration Bit 13 1 error of parameter values Bit 12 1 error of energy values Bit 11 1 sequence error of phase Bit 10 current range 0 1 A 17 Bit 9 Bit 8 Voltage range 0 0 57 7 V 0 1 230 48 Bit 7 1 the interval of averaged power is not elapsed Bit 6 1 frequency for THD calculation beyond intervals 48 52 for frequency 50 Hz 56 62 for frequency 60 Hz Bit 5 1 voltage too low for frequency measurements Bit 4 1 too low voltage of phase Bit 3 1 too low voltage of phase Bit 2 1 too low voltage of phase A Bit 1 the RTC time battery is used up Bit 0 state of relay output 1 On 0 off Register of status 2 nature of the reactive power address 4061 Bi Bi Bi Bi Bi B
46. riptions and user s manual in English 1 with an extra quality inspection certificate 67 11 MAINTENANCE AND GUARANTEE The ND20 meter does not require any periodical maintenance In case of some incorrect operations After the dispatch date and in the period stated in the guarantee card One should return the instrument to the Manufacturer s Quality In spection Dept If the instrument has been used in compliance with the instructions we guarantee to repair it free of charge The disassembling of the housing causes the cancellation of the granted guarantee After the guarantee period One should turn over the instrument to repair it in a certified service workshop Our policy is one of continuous improvement and we reserve the right to make changes in design and speci fications of any products as engineering advances or necessity requires and to revise the above specifications without notice 68 69 70 71 LUMEL LUMEL S A ul Stubicka1 65 127 Zielona Gora Poland Materm d o o tel 02 608 90 10 info materm si www materm si ND20 09C 06 06 2013
47. s in the field 8 fig 4 Table 1b Displayed LA 3L W 3L var SLVA SL PF 3L tg 3L Wava 8525 Q 5 PFmean G 950 3phase 3phase 3phase 3phasel 3phase min Displaying optional Back 3L c Hz 3L THD U 3L THD symbols Displayed hour ot Uhmean Ihmean values Jour frequency power THD U THD 1 minutes in 15 30 or 60 oa in the row 4 minutes U U Displaying optional In 1Ph 2W measurement mode 1 values are not calculated and not displayed values calculated as corresponding values of first phase Displayed quantities in the field 9 fig 4 for 3 phase 3 wire measu rement mode 3Ph 3W and single phase 1Ph 2W are presented in the table 2a and 2b 15 Tablica 2a Lia V L A Backlit symbols Lea V 2 A kWh kWh kvar kvar Lan V 13 tive row 1 U12 n NEAGU reactive capacitive inductive Displayed imported exported energy 2 023 12 active active 1 energy reactive negative row3 U31 positive energy energy Displaying optional w Displayed symbols var VA row 1 year P3phase Displayed 2 th values row moni Q3phase row 3 d
48. se to phase V V X voltage max 6260 7260 7630 R ean active power min W 6262 7262 7631 Mean reactive power W Y 6264 7264 7632 R Harmonic Ut THD Ut min 6266 7266 7633 Harmonic U1 THD U1 V 96 Y 6268 7268 7634 Harmonic U2 THD U2 min 6270 7270 7635 Harmonic U2 THD 02 max 6272 7272 7636 Harmonic U3 THD min 6274 7274 7637 Harmonic U3 THD V Y 6276 7276 7638 Harmonic 11 THD min 6278 7278 7639 Harmonic THD A Y 6280 7280 7640 Harmonic I2 12 A 6282 7282 7641 Harmonic I2 THD 12 Y 6284 7284 7642 Harmonic 6286 7286 7643 Harmonic I3 THD I3 6288 7288 7644 of angle between 91111 min 57 6290 7290 7645 of angle between 01111 6292 7292 7646 Cosinus of angle between Y 92 112 min 6294 7294 7647 Cosinus of angle between x 02112 max 6296 7296 7648 R Cosinus of angle between Y USil3 min 6298 7298 7649 R Cosinus of angle between Y 1
49. ster description Registers for readout 7800 8052 Float Value placed in two successive 16 bit registers 2x16 Registers include the same data as 32 bit registers bits from the area 7660 7786 Registers for readout Sequence of bytes 3 2 1 0 Table 10 Address Ope of 16 bit ra Description registers tions 1000 R Position of oldest archived mean power 1001 R Position of youngest archived mean power 1002 R W First available record NrBL range 1 9000 1003 R Year of archived mean power with number NBL 0 onth 100 day of archived mean power with number 1004 R rBL 0 1005 R Hour 100 minute of archived mean power with number NrBL 0 1006 R Value of archived mean power with number NrBL 0 1007 R loat type 4 bytes in sequence 3 2 1 0 1008 R Year of archived mean power with number NrBL 1 Month 100 day of archived mean power with number 1009 R NrBL 1 42 Hour 100 minute of archived mean power with number NrBL 1 1011 R Value of archived mean power with number NrBL 1 float type 4 bytes in sequence 3 2 1 0 1012 R 1073 R Year of archived mean power with number NrBL 14 Month 100 day of archived mean power with number 1074 R NrBL 14 1075 R Hour 100 minute of archived mean power with number NrBL 4 14 1076 R Value of archived mean power with number
50. sumption synchronized with the clock with alarm set on a 90 consumption Set Monitored quantity P ord Kind of alarm n on ALon 90 0 89 9 Tr_1 500 Syn 60 Time delay ALdt 0 or 240 s 6 5 4 Setting Date and Time Select the dAtE mode in options and approve the choice by the lt push button Seconds are reset after setting hour and minute values active power to switch the alarm on is presented on the fig 10 The time delay is set 0 sec In the calculated example for remaining 10 ordered power at the maximum power consumption devices could stil work during 60 sec without exposing customers to fines when setting the time delay ALd on 60 sec the alarm would not be enabled 2 Month day 13512 12 31 Table 7 Item Parameter name Designation range Manufacturer s value 1 Hour minute tH 0 23 0 59 0 00 1 01 3 Year ty 2001 2100 2001 30 6 5 5 Setting of displayed values Select the dISP mode in options and approve the choice by the push button Table 7 5 5 5 208 8 7 B Displayed parameters in the row 1 3 1 5 U_Ln on on 2 Phase to phase voltages OFF 3 Phase currents Ln oFF on on 4 Active phase powers P oFF on on 5 Reactive phase powers q oFF on
51. tton to decrease the value 4 push button to increase the value 5 push button to displace to the right 6 acceptance push button ENTER 7 symbol of displayed value of averaged active power 8 display field of mean values frequency time power guard 9 display field of basic quantities energy THD harmonics date rows 1 2 3 10 symbols indicating the display of power factor power tangent and THD row 4 12 11 units of displayed values 12 symbols o digital data transmission 13 multipliers 14 symbols o of basic values alarm switching on occurrence 15 symbols o display 16 symbols o 17 symbols o 18 symbols o respective 19 symbols o character harmonic value THD energy flow min max quantities quantity affiliation to phase power energy 20 symbol of 3 phase quantity display 6 2 Messages after Switching the Supply on After switching the supply on the meter performs the display test and display the n meter name rated current and voltage the current program version and next displays the measured values THD UI _AL 1 1 RX TX nf 2 lt gt F7 Ft ROOM EIN gt XN ws Y ffl SL TE where n nn is the number of the current program version or the number of the custom made version E
52. urning power on while button pressed Meter display shows the boot inscription with bootloader version LU shows message Device found with name and current version of firmware Using button browse to the meter upgrade file If the file is opened correctly a File opened message is displayed Press the Send button When upgrade is successfully completed meter reverts to the default settings and begins normal operation while the information window displays Done message and upgrade elapsed time Close LU and go to Restoration of default parameters Select checkbox and press Apply button After the LU window is closed press the Save icon to save all initially read parameters Current firmware version can be checked when meter is power on Warning Turning the meter off during upgrade process may result in permanent damage 36 8 5 485 1 implemented protocol is compliant with the PI MBUS 300 Rev Modicon Parameter set of the serial ND20 meter link e identifier OxBC meter address 1 247 e baud rate 4 8 9 6 19 2 38 4 kbit s working mode Modbus RTU information unit 8N2 8E1 801 8N1 maximum response time 600 ms e maximum quantity of read out registers in one request 41registers 4 byte registers 82 registers 2 byte registers implemented functions 03 04 06 16 17 03 04 readout of registers 06 write of one register 16 write of n registers
53. values 10 100 Request Device Function Register Number of CRC address address registers Control sum B1 BO B1 BO 01 03 17 70 00 04 4066 38 Response Value from Value from 15 5 register register 5218 65 1770h 1770h 83 5 20 6000 6000 ES 2 o 01 03 08 00 00 41 20 Value from Value from CRC register register Con 1772h 1772h trol 6002 6002 sum 00 00 42 C8 E4 6F Example 4 Readout of 2 registers 32 bit of float type starting with the register with the 1D4Ch 7500 address register values 10 100 Request Device Function Register Number of CRC address address registers Control sum B1 BO B1 BO 01 03 1D 4C 00 02 03 BO Response c 5 Value from register Value from register CRC 8 8 15 1D4C 7500 1040 7501 55 t 9 trol av 5 22 01 03 08 41 20 00 00 42 C8 00 00 4 6 Recording a single register code 061 Example 5 Recording the value 543 0x021F in the register 4000 OxOFAO Request Device Function Register Number of CRC address address registers Control sum B1 BO B1 BO 01 06 OF 0 02 54 39 Response Device Function Register Number of CRC address address registers Control sum 1 BO 1 BO 01 06 AO 02 1F CA
Download Pdf Manuals
Related Search