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Sifam Tinsley ND20LITE User Manual

Meter of network parameters
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This manual superseded all previous versions – please keep for future reference
ND20LITE
METER OF NETWORK PARAMETERS
User Manual - Issue 1.0
SUBJECT TO CHANGE WITHOUT NOTICE
MULTIFUNCTION METER
ND20LITE
www.sifamtinsley.co.uk

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Summary of Contents for Sifam Tinsley ND20LITE

  • Page 1 MULTIFUNCTION METER ND20LITE www.sifamtinsley.co.uk Multifunction Meters Transducers & Isolators Temperature Controllers Converters & Recorders ND20LITE Digital Panel Meters METER OF NETWORK PARAMETERS Current Transformers Analogue Panel Meters User Manual - Issue 1.0 Shunts Digital Multimeters Clamp Meters Insulation Testers SUBJECT TO CHANGE WITHOUT NOTICE...

  • Page 3: Table Of Contents

    Contents 1. APPLICATION ..............5 2. METER SET ..............6 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.

  • Page 5: Application

    APPLICATION The ND20LITE 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 on a LCD display.

  • Page 6: Meter Set

    5. holders to fix the meter in the panel ... 4 pcs 3. BASIC REQUIREMENTS AND OPERATIONAL SAFETY In the safety service scope, the ND20LITE meter meets to require- ments of the EN 61010 -1 standard. Observations Concerning the Operational Safety: ·...

  • Page 7: Installation

    INSTALLATION The ND20LITE 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 mm...

  • Page 8: Meter Description

    Voltage inputs are defined in the order as 3 x 57.7/100 V, 3 x 230/400 V. 5.3 Connection Diagrams Supply Zasilanie RS 485 WYimp pulse GNDI Direct, semi-direct and indirect 23 22 17 16 single-phase ND20LITE measurement...
  • Page 9 Supply Zasilanie WYimp RS 485 pulse GNDI Direct measure- ment in a 3-wire network 23 22 17 16 ND20LITE Supply Zasilanie RS 485 WYimp pulse GNDI Semi-indirect 23 22 17 16 measurement in a 3-wire ND20LITE network...
  • Page 10 WYimp pulse GNDI with the use of 2 current transformers and 2 or 3 23 22 17 16 voltage transformers in a 3- wire network ND20LITE Direct measurement Supply Zasilanie RS 485 WYimp pulse in a 4-wire network. GNDI 23 22...
  • Page 11 Supply Zasilanie RS 485 WYimp pulse Semi-indirect measurement GNDI in a 4-wire network. 23 22 17 16 ND20LITE Indirect measurement with Supply Zasilanie RS 485 WYimp pulse GNDI the use of 3 current trans- formers and 2 or 3 voltage...
  • Page 12 ND20LITE PROGRAMMING 6.1 Frontal Panel ND20LITE Fig 4. Frontal panel Description of the frontal panel: 1 – abandon push-button – ESC 11 – units of displayed values 2 – push-button to displace to the left 12 – symbols of digital data 3 –...
  • Page 13 6.2 Messages after Switching the Supply on After switching the supply on, the meter performs the display test and display the ND20LITE meter name, meter version, serial number and the current program version. where: oooooooo - is the serial number r n.nn - is the number of the current program version or the number...
  • Page 14 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 mode 3Ph/4W and single-phase 1Ph/2W are presented in the table 1a and 1b.
  • Page 15 Backlit symbols , %, THD I row 1 THD I1 % cosinusj1 3phase row 2 THD I2 % cosinusj2 3phase row 3 THD I3 % cosinusj3 3phase Displaying optional Displayed quantities in the field 8 (fig. 4.) Table 1b Displayed 3L, A symbols P 3phase...
  • Page 16 Tablica 2a Backlit symbols -, kWh kvar kvar reactive reactive capacitive row 1 inductive energy imported exported energy Displayed active row 2 active values reactive energy energy reactive negative positive row 3 energy energy Displaying optional Displayed symbols kVAh row 1 P 3phase Displayed apparent...
  • Page 17 Performed calculations: Reactive power (the calculation method configured): ∑ ∠ where k – harmonic number (k = 21 dla 50 Hz, k = 18 dla 60 Hz) Power factor PF: Tangens power: Cosinus: cosinus between U and I 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.

  • Page 18: Operating Modes

    6.4 Operating modes Fig. 6. Operating modes of the ND20LITE meter.
  • Page 19 6.5. Parameter Settings To configure the ND20LITE meter is free eCon software available on the www.sifamtinsley.co.uk 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.
  • Page 21 6.5.1 Setting of Meter Parameters Select the PAr mode in options (by push-buttons) and approve the choice by the push-button. Table 3 Introduction oFF, of the ac- 1 ... 0 - without code cess code 60000 Ratio of tr_I 1 ... the current 10000 transformer...
  • Page 22 Way to trGLE, calculate SInUS TrGle: reactive power ∑ SInUS: ∠ trGLE k - harmonic number, k = 21 for 50 Hz, k = 18 for 60 Hz Way to En_q cAP, cAP – inductive and capacitive calculate SIGn energy reactive SIGn –...
  • Page 23 Values are set by means of push-buttons, however the position of the set digit is selected by means of push- buttons. The active position is signaled by the cursor. The value is accepted by the push-button and resigned by the pressure of the push-button.
  • Page 24 6.5.3. Setting of Alarm Parameters Select the ALr mode in options and approve the choice by the push-button. Table 5 Quantity in the alarm AL_n table 6 (code acc. to the table 6) output n-on, n-oFF, on, oFF, H-on, Alarm type AL_t H-oFF, Fig.
  • Page 25 Selection of the monitored value: Table 6 Item/ value Value for the percentage in re- Kind of quantity conversion of alarm valu- gister es and outputs (100%) 4015 lack of quantity /alarm disabled/ none voltage of phase L1 Un [V] * current in the phase wire L1 In [A] * active power of phase L1...
  • Page 26 tg j coefficient of phase L3 mean 3-phase voltage Un [V] * mean 3-phase current In [A] * 3-phase active power 3 x Un x In x cos(0°) (P1 + P2+ P3) [W] * 3-phase reactive Power 3 x Un x In x sin(90°) (Q1 + Q2 + Q3) [var] * 3-phase apparent Power...
  • Page 27 a) n-on b) n-off...
  • Page 28 c) On d) OFF Fig. 9. Alarm types: a),b) normal c) enabled d) disabled Remaining types of the alarm: – H-on – always enabled; – H-oFF – always disabled, – A3non – when the “n-on” alarm type occurs on any of the phases –...
  • Page 29 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 ND20LITE meter: P = 3 x 230 V x 2500 A (500 * 5 A) = 1.725 MW (500 * 3450 W) – 100%;...
  • Page 30 An example of the parameter value utilization of ordered active power to switch the alarm 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.
  • Page 31 6.5.4. Setting of displayed values Select the dISP mode in options and approve the choice by the push-button. Table 7 Displayed parameters in the row 1 - 3 Phase voltages U_Ln oFF, on Phase-to-phase voltages U_LL oFF, on Phase currents I_Ln oFF, on Active phase powers...
  • Page 32 Displayed parameters in the row 4 Three-phase mean current oFF, on Current in neutral wire oFF, on Three-phase active power oFF, on Three-phase reactive power oFF, on Three-phase apparent power oFF, on Three-phase mean power factor PF PF_A oFF, on Three-phase mean Tangent j factor tG_A oFF, on...

  • Page 33: Updating Of Software

    UPDATING OF SOFTWARE Function enabling updating of software from the computer of the PC with software eCon was implementation in meter ND20LITE. Free software eCon and update files 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.
  • Page 34 After starting eCon’s software COM 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 Load to read and save current settings. Open window Lumel Updater (LU) – figure 13b from Updating- >Updating of devices firmware.

  • Page 35: Rs-485 Interface

    RS-485 INTERFACE The implemented protocol is compliant with the PI-MBUS-300 Rev G, Modicon. Parameter set of the serial ND20LITE meter link: · identifier 0xDC · meter address: 1..247 · baud rate 4.8, 9.6, 19.2, 38.4 kbit/s, · working mode Modbus RTU, ·...
  • Page 36 Response: Device Fun- Num- Register Number of address ction ber of address registers Control bytes 0FA0 0FA1 (4001) (4000) E4 6F . Readout of 2 registers 32-bit of float type as 2 registers Example 2 16-bits, starting with the register with the 1B58h (7000) address - register values 10, 100.
  • Page 37 Response: Value from Value from Value from Value from register register register register Con- 1770h 1770h 1772h 1772h trol (6000) (6000) (6002) (6002) E4 6F Readout of 2 registers 32-bit of float type, starting with the Example 4 . register with the 1D4Ch (7500) address - register values 10, 100. Request: Device Function...
  • Page 38 Response: Device Function Register Number of address address registers Control sum CA 54 Recording to n-registers (code 10h) Recording 2 registers starting with the register with the Example 6 . 0FA3h (4003) address recorded values 20, 2000. Request: Value for Value for register register...
  • Page 39 2E 30 35 20 Map of ND20 meter registers In the ND20LITE 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 on the variable value type. Bits in 16-bit registers are numbered from the youngest to the oldest (b0-b15).
  • Page 40 7500 – 7659 Float Value placed in one 32-bit register. The table 10 (32 bits) includes the register description. Registers for readout. 7660 – 7786 Float Value placed in one 32-bit register. The table 10 (32 bits) includes the register description. Registers for readout.
  • Page 41 Synchronization of mean active power: 0 – 15 minutes’ walking window (record synchronized every 15 minutes with the clock) 4005 0..3 1 – measurement synchronized every 15 minutes with the clock 2 – measurement synchronized every 30 minutes with the clock 3 –...
  • Page 42 Erasing of watt-hour meters: 0 – without changes, 1- erase active energy, 4011 0...4 2 – erase reactive energy, 3 – erase energy of harmonics, 4 – erase all energy. Erasing of mean active power 4012 4013 reserved 4014 Erase min and max Quantity on the alarm relay output 4015 0,1 ..
  • Page 43 4026 reserved 4027 reserved 4028 reserved 1000.. Number of impulses for the 4029 5000 20000 impulse output Address in the MODBUS 4030 1..247 network Transmission mode: : 0->r8n2, 4031 0..3 1->r8E1, 2->r8o1, 3->r8n1 Baud rate: 0->4800, 1->9600 4032 0..3 2->19200, 3->38400 Bring up to date the transmis- 4033 sion parameter change...
  • Page 44 Reactive capacitive energy, 4044 0..15258 two older bytes Reactive capacitive energy, 4045 0..65535 two younger bytes Apparent energy, two older 4046 0..15258 bytes Apparent energy, two younger 4047 0..65535 bytes 4048 reserved 4049 reserved Status register – description 4050 0..65535 below 4051 0..65535...
  • Page 45 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 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 x 65536 + 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]...
  • Page 46 Register of status 2 - nature of the reactive power (address 4061, R): Bit 9 – „1” – capacitive 3L Bit 15 – reserved Bit 8 – „1” – capacitive L3 maximum Bit 14 – „1” – alarm indication in phase L3 (only for alarm type: Bit 7 –...
  • Page 47 Configuration register of displayed parameters of standard values 2 (address 4056, R/W): Bit 15 ...1 – reserved Bit 0 – „1” – displaying of power P,Q,S Register of status 2 - nature of the reactive power (address 4055, R/W): Bit 7 – „1” – displaying of mean Bit 15...14 –...
  • Page 48 Table 12 √ √ 6000/7000 7500 Voltage of phase L1 √ √ √ 6002/7002 7501 Current in phase L1 √ √ 6004/7004 7502 Active power of phase L1 √ √ 6006/7006 7503 Reactive power of phase L1 √ √ 6008/7008 7504 Apparent power of phase L1 √...
  • Page 49 √ 6042/7042 7521 Mean 3-phase voltage √ √ 6044/7044 7522 Mean 3-phase current √ √ 6046/7046 7523 3 - p h a s e a c t i v e p o w e r (P1+P2+P3) √ √ 6048/7048 7524 3-phase reactive power (Q1+Q2+Q3) √...
  • Page 50 √ 6088/7088 7544 Cosinus of angle between U3 and I3 √ √ 6090/7090 7545 3-phase mean cosinus ° √ √ 6092/7092 7546 Angle between U1 and I1 ° √ 6094/7094 7547 Angle between U2 i I2 ° √ 6096/7096 7548 Angle between U3 i I3 √...
  • Page 51 √ √ 6112/7112 7556 3-phase reactive capacitive Mvarh energy (number of overflows in register 7555, reset after exceeding 99999999.9 kVarh) √ √ 6114/7114 7557 3-phase reactive capacitive kvarh energy ( counter totting up to 99999.9 kVarh) √ 6116/7116 7558 Apparent 3-phase power MVAh (number of overflows in register 7557, reset after...
  • Page 52 6152/7152 7576 Current L1 min    6154/7154 7577 Current L1 max    6156/7156 7578 Current L2 min   6158/7158 7579 Current L2 max   6160/7160 7580 Current L3 min   6162/7162 7581 Current L3 max ...
  • Page 53 6200/7200 7600 Power factor (PF) of phase L1 min   6202/7202 7601 Power factor (PF) of phase L1 max   6204/7204 7602 Power factor (PF) of phase L2 min  6206/7206 7603 Power factor (PF) of phase L2 max ...
  • Page 54 6242/7242 7621 3-phase mean current max   6244/7244 7622 3-phase active power min   6246/7246 7623 3-phase active power max   6248/7248 7624 3-phase reactive power min   6250/7250 7625 3-phase reactive power max   6252/7252 7626 3-phase apparent power min...
  • Page 55 6286/7286 7643 THD U3 max V / %  6288/7288 7644 mean THD U min V / %  6290/7290 7645 mean THD U max V / %  6292/7292 7646 THD I1 min A / %   6294/7294 7647 THD I1 max A / %...

  • Page 56: Error Codes

    6326/7326 7663 Angle between U1 and °   I1 max 6328/7328 7664 Angle between U2 and °  I2 min 6330/7330 7665 Angle between U2 and °  I2 max 6332/7332 7666 Angle between U3 and °  I3 min 6334/7334 7667 Angle between U3 and...
  • Page 57 - are displayed when the meter memory is damaged. Err CAL, Err EE The meter must be sent to the manufacturer. - are displayed when operating parameters in the Err PAr 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.

  • Page 58: Technical Data

    TECHNICAL DATA Measuring ranges and admissible basic errors Table 11 Measured Indication Measuring Basic  value range* range error Current In 0.00 ... 12 kA 0.002 ... 1.200 A~ ±0.2% r 0.00 ... 60 kA 0.010 ... 6.000 A~ Voltage L-N 57.7 V 0.0 ...
  • Page 59 Power input:  6 VA - in supply circuit  0.05 VA - in voltage circuit  0.05 VA - in current circuit dedicated display LCD 3.5’’ Display field: relay, voltageless NO contacts Realay output: load capacity 250 V~/ 0.5 A ~ Serial interface RS-485: address 1...247;...
  • Page 60 Reference and rated operating conditions - supply voltage 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. - input signal: 0...0.002...1.2 I ; 0.05...1.2 U for current, voltage 0...0.002...1.2 I ; 0...0.1...1.2 U for power factors Pf frequency 47...63 Hz sinusoidal (THD ...
  • Page 61 Standards fulfilled by the meter: Electromagnetic compatibility: - noise immunity acc. to EN 61000-6-2 - noise emissions acc. to EN 61000-6-4 Safety requirements: according to EN 61010 -1 standard isolation between circuits: basic installation category: pollution level: maximum phase-to-earth voltage: - for supply and measuring circuits 300 V - for remaining circuits...
  • Page 62 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 –...
  • Page 64 ND20LITE METER OF NETWORK PARAMETERS Contact Sifam Tinsley Instrumentation Ltd 1 Warner Drive Tel: 01376 335271 Springwood Industrial Estate E-mail: sales@sifamtinsley.com Braintree, Essex CM7 2YW www.sifamtinsley.co.uk MULTIFUNCTION METER...

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