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Multifunction Meters

Transducers & Isolators

Temperature Controllers

Converters & Recorders

Digital Panel Meters

Current Transformers

Analogue Panel Meters

Shunts

Digital Multimeters

Clamp Meters

Insulation Testers    

ND20LITE

METER OF NETWORK PARAMETERS

User Manual - Issue 1.0

SUBJECT TO CHANGE WITHOUT NOTICE

This manual superseded all previous versions – please keep for future reference

MULTIFUNCTION METER

ND20LITE

www.sifamtinsley.co.uk

Содержание ND20LITE

Страница 1: ...t Transformers Analogue Panel Meters Shunts Digital Multimeters Clamp Meters Insulation Testers ND20LITE METER OF NETWORK PARAMETERS User Manual Issue 1 0 SUBJECT TO CHANGE WITHOUT NOTICE This manual superseded all previous versions please keep for future reference MULTIFUNCTION METER ND20LITE www sifamtinsley co uk ...

Страница 2: ...2 ...

Страница 3: ... BASIC REQUIREMENTS AND OPERATIONAL SAFETY 6 4 INSTALLATION 7 5 METER DESCRIPTION 8 6 ND20 PROGRAMMING 12 7 UPDATING OF SOFTWARE 35 8 RS 485 INTERFACE 37 9 ERROR CODES 60 10 TECHNICAL DATA 62 11 VERSION CODES 66 12 MAINTENANCE AND GUARANTEE 68 ...

Страница 4: ...4 ...

Страница 5: ...power active reactive energy power factors frequency 15 30 60 minutes mean active power THD Additionally the current value in the neutral wire is calculated Voltagesandcurrentsaremultipliedbygivenvoltageandcurrentratiosof measuringtransformers Indicationsofpowerandenergytakeintoconsi derationvaluesofprogrammedratios Thevalueofeachmeasuredquan tity can be transmitted to the master system through th...

Страница 6: ...fied skilled per sonnel and national regulations for the prevention of accidents must be observed Before switching the meter on one must check the correctness of connection to the network Before removing the meter housing one must switch the supply off and disconnect measuring circuits The removal of the meter housing during the guarantee contract pe riod may cause its cancellation The ND20 meter ...

Страница 7: ... 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 mm2 One must prepare a 92 5 0 6 x 92 5 0 6 mm cut out in the 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 disconnec ted supply voltage After the insertion into the hole fix...

Страница 8: ... 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 a Direct semi direct and indirect single phase measurement L1 S1 S2 P1 P2 N 18 19 20 21 23 22 24 25 26 27 5 6...

Страница 9: ...2 L3 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 ND20LITE 3 4 2 12 13 14 15 17 16 1 B A GNDI RS 485 AL1 WYimp Zasilanie Supply OUpulse 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 ND20LITE 3 4 2 12 13 14 15 17 16 1 L1 L2 L3 S1 S2 P1 2 S1 S2 P1 P2 P B A GNDI RS 485 AL1 WYimp Zasilanie Supply OUpulse ...

Страница 10: ... L2 L3 L1 a b A B 2 5 8 a b A B 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 ND20LITE 3 4 2 12 13 14 15 17 16 1 L1 L2 L3 S1 S2 P1 2 S1 S2 P1 P2 P a b A B a b A B a A B B A GNDI RS 485 AL1 WYimp Zasilanie Supply OUpulse L1 L2 L3 N 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 B A GNDI RS 485 AL1 ND20LITE WYimp 3 4 2 12 13 14 15 17 16 1 Zasilanie Supply OUpulse ...

Страница 11: ...tage transformers in a 4 wire network 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 B A GNDI RS 485 AL1 L1 L2 L3 ND20LITE N WYimp 3 4 2 12 13 14 15 17 16 1 S1 S2 P1 P2 S1 S2 P1 P2 Zasilanie S1 S2 P1 P2 Supply OUpulse a b A B 2 5 8 a b A B L1 L2 L3 S1 S2 P1 P2 S1 S2 P1 P2 S1 S2 P1 P 2 N 18 19 20 21 23 22 24 25 26 27 5 6 7 8 9 11 B A GNDI RS 485 AL1 ND20LITE WYimp 3 4 2 12 13 14 15 17 16 1 Zasilanie a ...

Страница 12: ...ffiliation to respective phase 19 symbols of power energy character 20 symbol of 3 phase quantity display 1 abandon push button ESC 2 push button to displace to the left 3 push button 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 freq...

Страница 13: ...t the service shop 6 3 Monitoring of Parameters In the measuring mode quantities are displayed acc to settled tables The pressure of the push button left or push button right causes the transition between displayed quantities The pres sure of the push button Enter causes the transition between mean and additional displayed values The pressure of the push button down causes the monitoring of the mi...

Страница 14: ...1 Q1 S1 PF1 tg1 Imported active energy 2 row 2 U21 U231 I21 P21 Q21 S21 PF21 tg21 row 3 U31 U311 I31 P31 Q31 S31 PF31 tg31 Displaying optional Backlit symbols kWh kVarh kVarh kVAh L1 L2 L3 THD U Displayed values row 1 Exported active energy2 reactive inductive energy reactive positive energy2 reactive capacitive energy reactive negative energy2 apparent energy 2 THD U1 1 row 2 THD U2 1 row 3 THD U...

Страница 15: ...r 60 min 2 Displaying optional Backlit symbols 3L c Hz 3L THD U 3L THD I Displayed values in the row 4 cosinus j 3phase 1 hour minutes frequency Consumption of ordered power in 15 30 or 60 minutes time 2 THD Umean 1 THD Imean 1 Displaying optional Displayed quantities in the field 8 fig 4 Table 1b In 1Ph 2W measurement mode 1 values are not calculated and not displayed 2 values calculated as corre...

Страница 16: ...in 15 30 or 60 minutes time Displaying optional Displayed quantities in the field 8 fig 4 Table 2b Tablica 2a Backlit symbols L1 2 V L2 3 V L3 1 V L1 A L2 A L3 A kWh kWh kvar kvar Displayed values row 1 U12 I1 imported active energy exported active energy reactive inductive energy reactive positive energy reactive capacitive energy reactive negative energy row 2 U23 I2 row 3 U31 I3 Displaying opti...

Страница 17: ...med 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...

Страница 18: ...18 6 4 Operating modes Fig 6 Operating modes of the ND20LITE meter 7 ...

Страница 19: ...rotected 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 To configure the ND20LITE meter is free eCon software available on the www sifamtinsley ...

Страница 20: ... switching reaction al_s Support of the alarm ap pearance signaling al_b Lock of alarm def Manu fac turer s parame ters dIsp Display ed values U_ln Phase voltages L N U_ll Voltages L L I_ln Phase currents p Phase active powers 9 Phase reactive powers s Phase apparent powers pf Power factors PF phase tg Power phase Tangents tgj enp Imported active energy enp Expor ted active energy en9 Reactive ind...

Страница 21: ...zed with the clock every 60 minutes 15 5 Storage of minimum and maxi mum values with errors erLI oFF on oFF storage of only correct values from the measuring range on storage of also error occurren ces in measurements values in registers 1e20 and 1e20 on Item Parame ter name Desi gnation Range Notes descrip tion Manufac turer s value 1 Introduction of the ac cess code SEc oFF 1 60000 0 without cod...

Страница 22: ... 3Ph 4 14 Manu facturer s parameters dEf no yES Restoration of manufacturer s parameters of the group no 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 6 Way to calculate reactive power q_t trGLE SInUS TrGle 2 2 P S Q SInUS k harmonic number k 21...

Страница 23: ...ode however the value is set on the maximum value when the value is too higher or 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 push button Table 4 Item Parameter name Designa tion Range Notes descrip tion Manufac turer s value 1 Number of impulses Io_n 1000 20000 Number of impulses for 1 kWh 5000 2 ...

Страница 24: ...econds for quantities AL_n P_ord the delay occurs only when switching the alarm on 0 6 Support of the alarm occurrence signaling AL_S oFF on In the situation when the support function is enabled after the retreat of the alarm state the alarm symbol is not blanked but begins to pulsate The signaling exists till the moment of blanking it by means of the and push buttons combination during 3 seconds ...

Страница 25: ... PF1 active power factor PF of phase L1 1 07 tg1 tgj coefficient of phase L1 1 08 U_2 voltage of phase L2 Un V 09 I_2 current in the phase wire L2 In A 10 P_2 active power of phase L2 Un x In x cos 0 W 11 q_2 reactive power of phase L2 Un x In x sin 90 var 12 S_2 apparent power of phase L2 Un x In VA 13 PF2 active power factor PF of phase L2 1 14 tg2 tgj coefficient of phase L2 1 15 U_3 voltage of...

Страница 26: ...S2 S3 3 x Un x In VA 27 PF_A 3 phase active power factor PF 1 28 Tg_A 3 phase tgj coefficient 1 29 FrEq frequency 100 Hz 30 U12 phase to phase voltage L1 L2 Un V 31 U23 phase to phase voltage L2 L3 Un V 32 U31 phase to phase voltage L3 L1 Un V 33 U4_A mean phase to phase voltage 3 Un V 34 P_At mean active power 3 x Un x In x cos 0 W 35 P_ord Used percentage of the ordered active power consumed ene...

Страница 27: ...27 a n on b n off ...

Страница 28: ...ny of the phases the relay switches on and the corresponding symbol is illuminated AL1 phase 1 AL2 phase 2 AL3 phase 3 When all alarms fade away the relay switches off A3nof when the n off alarm type occurs on any of the phases the relay switches on and the corresponding symbol is illuminated AL1 phase 1 AL2 phase 2 AL3 phase 3 When all alarms fade away the relay switches off ...

Страница 29: ...3 x 230 V x 2500 A 500 5 A 1 725 MW 500 3450 W 100 90 of ordered power rated power 90 0 1 MW 1 725 MW 52 1 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 A3_on when the on alarm type occurs on any of the phases the relay switches on and the corr...

Страница 30: ...on is presented on the fig 10 The time delay is set on 0 sec In the calculated example for remaining 10 of ordered power at the maximum power consumption devices could still work during 60 sec without exposing customers to fines when setting the time delay ALdt on 60 sec the alarm would not be enabled Set Monitored quantity P_ord Kind of alarm n on ALon 90 0 ALoF 89 9 Tr_1 500 Syn c_60 Time delay ...

Страница 31: ... powers q oFF on on 6 Apparent phase powers S oFF on on 7 Phase PF power factors PF oFF on on 8 Phase Tangents j factors tG oFF on on 9 Input 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 Enq oFF on on 13 THD of phase voltage tHdu oFF on on 14 THD of phase current tHdI oFF on on 15 Harmonic input active ener...

Страница 32: ... j factor tG_A oFF on on 26 Three phase mean active power 15 30 or 60 minutes PAvG oFF on on 27 Three phase mean Cosinus j coSA oFF on on 28 Hour HoUr oFF on on 29 Frequency Freq oFF on on 30 Three phase ordered power p_or oFF on on 31 Mean THD of phase voltages tH3U oFF on on 32 Mean THD of phase currents tH3l oFF on on 33 Diplay of parameters ON on no YES no 34 Display of parameters OFF off no Y...

Страница 33: ... are accessible on the site www sifamtinsley co uk The connected to the computer converter RS485 is required on USB to the updating e g the converter PD10 a b Fig 13 Program view a eCon 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 eCon ...

Страница 34: ...ressed 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 inform...

Страница 35: ...equest 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 17 device identification Manufacturer s settings address 1 baud rate 9600 baud RTU 8N2 mode Device address Function Register address Number of registers CRC Control sum B1 B0 B1 B0 01 03 0F A0 00 02 C7 3D Request Readout ...

Страница 36: ...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 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 values 10 100 Request Device address Function Register address Number of registers CRC Control sum B1 B0 B1 B0 01...

Страница 37: ...ess register values 10 100 Request Device address Function Register address Number of registers CRC Control sum B1 B0 B1 B0 01 03 1D 4C 00 02 03 B0 Response Device address Function Number of bytes Value from register 1D4C 7500 Value from register 1D4D 7501 CRC Con trol sum B3 B2 B1 B0 B3 B2 B1 B0 01 03 08 41 20 00 00 42 C8 00 00 E4 6F Recording a single register code 06h Example 5 Recording the va...

Страница 38: ...Function Register addr Hi Register addr Lo Register addr Hi Register addr Lo Number of bytes Value for register 0FA3 4003 Value for register 0FA4 4004 CRC Control sum B1 B0 B1 B0 01 10 0F A3 00 02 04 00 14 07 D0 BB 9A Request Response Device address Function Register address Number of registers CRC Control sum B1 B0 B1 B0 01 10 0F A3 00 02 B2 FE Report identifying the device code 11h Example 7 Dev...

Страница 39: ... 2E 39 20 20 20 20 20 20 20 62 2D 31 2E 30 35 20 DB 84 Response Address range Type of value Description 4000 4055 Integer 16 bits The value is placed in one 16 bit register The table 11 includes the register description Registers for write and readout 6000 6319 Float 2x16 bits Value placed in two successive 16 bit registers Registers include the same data as 32 bit registers from the area 7500 765...

Страница 40: ...ltage transformer ratio 10 10 Table 9 7500 7659 Float 32 bits Value placed in one 32 bit register The table 10 includes the register description Registers for readout 7660 7786 Float 32 bits Value placed in one 32 bit register The table 10 includes the register description Registers for readout 7800 8052 Float 2x16 bits Value placed in two successive 16 bit registers Registers include the same dat...

Страница 41: ... with the clock 0 4006 RW 0 reserved 0 4007 RW 0 1 Storage way of minimum and maximum values 0 without errors 1 with errors 0 4008 RW 0 1 Way to calculate reactive power 0 2 2 P S Q 1 i i k i i i I U I U Q sin 1 k harmonic number k 21 for 50 Hz k 18 for 60 Hz 0 4009 RW 0 1 Way to calculate reactive energy 0 inductive and capacitive energy 1 positive and negative energy 0 4010 RW 0 61 Display backl...

Страница 42: ... the table 6 24 4016 RW 0 9 Output type 0 n on 1 n oFF 2 on 3 oFF 4 H on 5 H oFF 6 A3non 7 A3nof 8 A3_on 9 A3_of 0 4017 RW 1440 0 1440 o oo Lower alarm switching value 990 4018 RW 1440 0 1440 o oo Upper alarm switching value 1010 4019 RW 0 900 s Delay of the alarm switching for quantity AL_n P_ord rgister 4015 35 the delay occurs only when the alarm is switched on 0 4020 RW 1 2000 10uA Alarm signa...

Страница 43: ...ameter change 0 4034 RW 0 2359 Hour 100 Minutes 0 4035 RW 0 reserved 0 4036 RW 0 reserved 0 4037 RW 0 1 Record of standard parame ters together with the reset of energy and min max averaged power 0 4038 R 0 15258 Imported active energy two older bytes 0 4039 R 0 65535 Imported active energy two younger bytes 0 4040 R 0 15258 Exportedactive energy two older bytes 0 4041 R 0 65535 exported active en...

Страница 44: ...r bytes 4052 R 0 65535 Serial number two younger bytes 4053 R 0 65535 Program version 100 4054 RW 0 65535 Displayed parameters of standard values 0xFFFF 4055 RW 0 65535 Displayed parameters of average values 0xFFFF 4056 RW 0 65535 Displayed parameters of stan dard values 2 0xFFFF 4057 RW 0 2 Measurement mode 0 3Ph 4W 1 3Ph 4W 2 1Ph 2W 0 4058 R 0 65535 nominal voltage x10 577 2300 4059 R 0 65535 no...

Страница 45: ...gister 4046 value x 65536 register 4047 value 10 kVAh Device status register address 4050 R Bit 15 1 damage of the non volatile memory Bit 7 1 the interval of averaged power is not elapsed Bit 14 1 lack of calibration or erroneous calibration Bit 6 1 frequency for THD calculation beyond intervals 48 52 for frequency 50 Hz 58 62 for frequency 60 Hz Bit 13 1 error of parameter values Bit 5 1 voltage...

Страница 46: ...apacitive L1 maximum Bit 1 1 capacitive L1 minimum Bit 0 1 capacitive L1 Configuration register of displayed parameters of standard values address 4054 R W Bit 15 1 displaying of cosinus Bit 8 1 displaying of imported active energy Bit 14 1 displaying of THD current Bit 7 1 displaying of tg Bit 13 1 displaying of THD voltage Bit 6 1 displaying of PF Bit 12 1 displaying of apparent energy Bit 5 1 d...

Страница 47: ...rent Bit 12 1 displaying of mean THD voltage Bit 11 1 displaying of ordered power utilization Bit 10 1 displaying of frequenz Bit 9 1 displaying of time Bit 8 1 displaying of mean cosinus Bit 7 1 displaying of mean active power Bit 6 1 displaying of mean tg Bit 5 1 displaying of mean PF Bit 4 1 displaying of power S Bit 3 1 displaying of power Q Bit 2 1 displaying of power P Bit 1 1 displaying of ...

Страница 48: ...07 R Voltage of phase L2 V x x 6016 7016 7508 R Current in phase L2 A x 6018 7018 7509 R Active power of phase L2 W x x 6020 7020 7510 R Reactive power of phase L2 var x x 6022 7022 7511 R Apparent power of phase L2 VA x x 6024 7024 7512 R Power factor PF of phase L2 x x 6026 7026 7513 R Tg j factor of phase L2 x x 6028 7028 7514 R Voltage of phase L3 V x x 6030 7030 7515 R Current in phase L3 A x...

Страница 49: ...x 6058 7058 7529 R Phase to phase voltage L1 2 V x 6060 7060 7530 R Phase to phase voltage L2 3 V x 6062 7062 7531 R Phase to phase voltage L3 1 V x 6064 7064 7532 R Mean phase to phase voltage V x 6066 7066 7533 R 3 phase 15 30 60 minutes active Power P1 P2 P3 W 6068 7068 7534 R THD U1 x 6070 7070 7535 R THD U2 x x 6072 7072 7536 R THD U3 x x 6074 7074 7537 THD U mean x x 6076 7076 7538 R THD I1 ...

Страница 50: ...et after exceeding 99999999 9 kWh 100 MWh P1 6102 7102 7551 R Imported 3 phase active energy counter totting up to 99999 9 kWh kWh P1 6104 7104 7552 R Exported 3 phase active energy numberofoverflows in register 7551 reset after exceeding 99999999 9 kWh 100 MWh P1 6106 7106 7553 R Exported 3 phase active energy counter totting up to 99999 9 kWh kWh P1 6108 7108 7554 R 3 phase reactive inductive en...

Страница 51: ...9 R Apparent 3 phase power counter totting up to 99999 9 kVAh kVAh x x 6120 7120 7560 R reserved 6122 7122 7561 R reserved 6124 7124 7562 R Time hours minutes 6126 7126 7563 R reserved 6128 7128 7564 R reserved 6130 7130 7565 R reserved 6132 7132 7566 R Utilized ordered power V x 6134 7134 7567 R reserved 6136 7136 7568 R reserved 6138 7138 7569 R reserved 6140 7140 7570 R Voltage L1 min V x 6142 ...

Страница 52: ...ower L3 min W x x 6174 7174 7587 R Active power L3 max W x x 6176 7176 7588 R Reactive power L1 min var x 6178 7178 7589 R Reactive power L1 max var x 6180 7180 7590 R Reactive power L2 min var x x 6182 7182 7591 R Reactive power L2 max var x x 6184 7184 7592 R Reactive power L3 min var x x 6186 7186 7593 R Reactive power L3 max var x x 6188 7188 7594 R Apparent power L1 min VA x 6190 7190 7595 R ...

Страница 53: ...f phase L2 min x x 6218 7218 7609 R tg factor of phase L2 max x x 6220 7220 7610 R tg factor of phase L3 min x x 6222 7222 7611 R tg factor of phase L3 max x x 6224 7224 7612 R Phase to phase voltage L1 2 min V x 6226 7226 7613 R Phase to phase voltage L1 2 max V x 6228 7228 7614 R Phase to phase voltage L2 3 min V x 6230 7230 7615 R Phase to phase voltage L2 3 max V x 6232 7232 7616 R Phase to ph...

Страница 54: ...258 7258 7629 R mean power factor PF max x 6260 7260 7630 R Mean Tgj factor min x 6262 7262 7631 R Mean Tgj factor max x 6264 7264 7632 R Frequency min Hz 6266 7266 7633 R Frequency max Hz 6268 7268 7634 R Mean phase to phase voltage min V x 6270 7270 7635 R Mean phase to phase voltage max V x 6272 7272 7636 R 3 phase active power 15 30 60 minutes min W 6274 7274 7637 R 3 phase active power 15 30 ...

Страница 55: ...I min A x x 6306 7306 7653 R mean THD I max A x x 6308 7308 7654 R cosinus of angle between U1 and I1 min x 6310 7310 7655 R cosinus of angle between U1 and I1 max x 6312 7312 7656 R cosinus of angle between U2 and I2 min x x 6314 7314 7657 R cosinus of angle between U2 and I2 max x x 6316 7316 7658 R cosinus of angle between U3 and I3 min x x 6318 7318 7659 R cosinus of angle between U3 and I3 ma...

Страница 56: ...or max A x 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 During the meter operation messages about errors can occur Reasons of errors are presented below 9 ERROR CODES Err1 when the voltage or current is too small when measuring PFi tg i cos THD below 10 Un PFi tg i cos below 1 In THD below 10 In f below 1...

Страница 57: ...d when energy values in the meter are incorrect One can disable the message by the 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 push button Each time you power up the message will be displayed again ____or _____ lower overflow The measured value is smaller than the lower...

Страница 58: ...r PF 1 0 1 1 0 1 l l l l 1 r Tangent j factor 10 2 0 10 2 1 2 0 1 2 l l l l 1 r Cosinus j 1 1 1 1 l l l l 1 r j 180 180 180 180 l l l 0 5 r Imported active energy 0 99 999 999 9 kWh l 0 5 r Exported active energy 0 99 999 999 9 kWh l 0 5 r Reactive inductive energy 0 99 999 999 9 kvarh l 0 5 r Reactive capacitive energy 0 99 999 999 9 kvarh l 0 5 r Apparent energy 0 99 999 999 9 kVAh l 0 5 r THD 0...

Страница 59: ...8E1 8O1 8N1 baud rate 4 8 9 6 19 2 38 4 kbit s transmission protocol Modbus RTU response time 600 ms Energy impulse output output of OC type NPN passive of class A acc to EN 62053 31 supply voltage18 27 V current 10 27 mA Constant of OC type output impulse 1000 20000 imp kWh independently of set tr_U tr_I ratios Protection grade ensured by the casing from frontal side IP 65 from terminal side IP 2...

Страница 60: ... THD 8 power factor 1 0 1 ambient temperature 25 23 55 C storage temperature 30 70 C relative humidity 25 95 condensation inadmissible admissible peak factor current intensity 2 voltage 2 external magnetic field 0 40 400 A m short duration overload 5 s voltage inputs 2 Un max 1000 V current inputs 10 In operating position any preheating time 5 min Additional errors in of the basic error from frequ...

Страница 61: ...ise emissions acc to EN 61000 6 4 Safety requirements according to EN 61010 1 standard l isolation between circuits basic l installation category III l pollution level 2 l maximum phase to earth voltage for supply and measuring circuits 300 V for remaining circuits 50 V l altitude above sea level 2000 m ...

Страница 62: ...extra quality requirements 0 with an extra quality inspection certificate 1 acc to customer s requirements X After agreeing with the manufacturer Table 12 Example of Order When ordering please respect successive code numbers The code ND20 2 2 1 00 E 1 means ND20LITE meter of network parameters of ND20LITE type 2 current input In 5 A x 5 2 input voltage phase phase to phase Un 3 x 230 400 V 1 suppl...

Страница 63: ...63 ...

Страница 64: ... NETWORK PARAMETERS MULTIFUNCTION METER Contact 1 Warner Drive Springwood Industrial Estate Braintree Essex CM7 2YW Tel 01376 335271 E mail sales sifamtinsley com Sifam Tinsley Instrumentation Ltd www sifamtinsley co uk ...

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