WM2-DINAV53APS

WM2-DINAV53DPX CARLOGAVAZZI | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 9

Technical content

Specifications are subject to change without notice 1

• 3-dgt/6-dgt µP-based indicator
• Manual or automatic scrolling of system and single phase: kW, kVAr, PF, kWh, kVArh, I, V∆ avg, VL1-N, VL2-N, VL3-N.
• TRMS measurement of distorted waves (voltage/current)
• All configuration functions selectable by built-in key-pad
• Password protection of programming parameters
• Degree of protection (front): IP 40
• Standard pulse output
• Optional serial RS 422/485 output
• MODBUS, JBUS protocol. Product Description Model Range code System Power supply 1st output 2nd output µP-based power analyzer with a built-in configuration key-pad. The power, PF , cur- rent and voltage are system and single phase measure- ments and indications. The housing is easy to mount on DIN-rail and ensures a degree of protection (front) of IP 40. Energy Management Power Analyzers Type WM2-DINType Selection System 3: One phase, three-phase system, 3 or 4 wires, balan- ced load; three phase system, 3 or 4 wires, unba- lanced load Range code AV5: 250/433 VAC - 5 AAC (max. 300 V (L-N)/

520 V (L-L) - 6 A)

50/60 Hz 1) 50/60 Hz 1) C: 115 VAC, -15% +10%, 50/60 Hz 1) D: 230 VAC, -15% +10%, 50/60 Hz (standard) 1st output P: Pulse, static, DC type (standard) 2nd output X: No output (standard) S: Serial output, RS 485 multidrop bidirec- tional Rated input Current 2 inputs (one/three-phase balanced load) 6 inputs (one/three-phase unbalanced load) Voltage 2 inputs (one/three-phase balanced load) 4 inputs (one/three-phase unbalanced load) Insulation among the voltage and the current inputs: 2000Vrms; among the current inputs:

2000 Vrms

Temperature drift ±250 ppm/°C Display Backlighted LCD, h 13mm, 3-dgt (instantaneous meas.) 6-dgt (energies) Input Specifications 1) On request Accuracy (48 to 62 Hz) Un: 250V (AV5), In: 5A Voltage/current 0.5 to 1.2 Un) Energy (@ 25°C ± 5°C, R.H. ≤ 60%) 1% rdg (hour time base) Active power 0 to 1.2 In, 0.5 to 1.2 Un) Reactive power 0 to 1 In, 0 to 1 Un) Power factor (PF) (0.6 to 1.2 In, 1 to 1.2 Un) Additional errors Power supply ± 0.5% rdg, -15 +10% p.s. Magnetic field < 0.1% f.s. @ 400 A/m

2 Specifications are subject to change without notice

Type From 0.1 to 999.9 pro- grammablepulses for kWh, KVArh, open collector (NPN transistor) V ON 0.6 VDC/ max. 4 mA VOFF 26 VDC max. Pulse duration 200 ms (ON), ≥ 200 ms (OFF) Insulation By means of optocouplers,

4000 Vrms output to

measuring input, supply input. Serial output (on request) Type RS422/RS485; Multidrop bidirectional (static and dynamic variables) Connections 4 wires, max. distance 1200m, termination and/or line bias by means of DIP- switches directly on the instrument Addresses 255, selectable by key-pad Protocol MODBUS/JBUS Data (bidirectional) Dynamic (reading only) System variables: P , Q, PF , V L-L, energies, Single phase variables: P L1, QL1, PFL1, VL1-N, AL1, PL2, QL2, PFL2, VL2-N, AL2, PL3, QL3, PFL3, VL3-N, AL3 Static (writing only) All programming data, reset of energy: - partial kWh - partial kVArh - total kWh - total kVArh Stored energy (EEPROM) ≤ 999999 kWh ≤ 999999 kVArh Data format 1-start bit, 8-data bit, no parity/even parity, 1 stop bit Baud-rate 1200, 2400, 4800 and 9600 selectable bauds Insulation By means of optocouplers, Decimal point position Instantaneous measurements: Automatic selection accord- ing to the current trans- former ratio of the CT being connected (max. indication - single phase): CT ratio ≤ 5 : 11.11 (25.00A) CT ratio ≤50.0: 111.1 (250.0A) CT ratio ≤ 500.0 : 1111 (2500A) CT ratio ≤ 999.9 : 11110 (6000A) Energy measurements: max. resolution:1 Wh/1 VArh min. resolution: 1 kWh/1 kVArh Max. and min. indication Voltage Max. 600 min. 0 Current (CT ratio = 1) Max. 6.00 min. 0.00 PF Max. 1.00 min. 0.00 Power (CT ratio = 1) Max. 5.40 min. 0.00 Active energy Max. 999999 min. –199999 Reactive energy Max. 999999 min. 0 Sampling rate 3 times / second Measurements System variables kW, kVAr, PF , V L-L, A, kWh tot, kVArh tot, kWh partial, KVarh partial Single phase variables kW, kVAr, PF , V L-N, A Measurement method T RMS measurement of a dis- torted voltage/current wave Coupling type: Direct Crest factor: ≥ 3 Ranges (impedances)

250 V/433 V (≥1 MΩ )

Frequency range 48 to 62 Hz Over-load protection Un: 250 (AV5), In: 5A Continuous: voltage/current 1.2 Un/In For 1 s Voltage: 2 Un Current: 20 In Keyboard 4 keys: ”∆∇ ”: - to enter programming phase and password con- firmation; - for value programming and basic measurement scrolling. “L”: - for confirmation of new programmed values and going ahead to the next programming step, - single phase measure- ment scrolling. “R”: - for the reset of the partial counted active and/or reactive energy. Input Specifications (cont.)

Specifications are subject to change without notice 3 Password Numeric code of max. 3 di- gits; 2 protection levels of the programming data 1st level Password “0”, no protection 2nd level Password from 1 to 255, all data are protected Measurement scrolling System: Active power (kW), reactive power (kVAr), power factor (cos ϕ), current (A), average phase-phase volt- age (V) total and partial active ener- gy (kWh), total and partial reactive energy (kVArh) Partial energy meters: the counters of kWh and kVArh are automatically reset when the energy reaches the value WM2-DIN (14999*CT). Example: the CT is a 100A/5A so the ratio is 20, consequently the maximum counted energy is 299980 kWh or kVArh. Single phase: Active power (kW), reactive power (kVAr), power factor (cos ϕ), current (A), phase-neutral voltage (V) Transformer ratio For CT up to 5000 A Programmable ratio 0.1 to 999.9 Digital Filter Filter operating range 0 to 100% of the input electrical scale Filtering coefficient 1 to 64 Filter action On the display and on the variable being transmitted by the serial communication port. Software Functions AC voltage 230 VAC (standard), -15%+10% 50/60 Hz

24 VAC, 48 VAC, 115 VAC

(on request), -15%+10% 50/60 Hz Power consumption ≤ 7 VA Supply Specifications Operating temperature 0° to +50°C (32° to 122°F) (R.H. < 90% non-condensing) Storage temperature -10° to +60°C (14° to 140°F) (R.H. < 90% non-condensing) Insulation reference voltage 300 Vrms to ground Insulation 4000 Vrms between all inputs/ outputs to ground Dielectric strength 4000 Vrms for 1 minute Noise rejection CMRR 100 dB, 48 to 62 Hz EMC EN 50081-2, EN 50082-2 Safety standards IEC 61010-1, EN 61010-1 Connector Screw-type, max. 2.5 mm2 wires Housing Dimensions 6 DIN modules, 58.5 x 89 x 107 mm Material ABS, self-extinguishing: UL 94 V-0 Degree of protection Front: IP40 Weight Approx. 500 g (packing included) Approval CE General Specifications

4 Specifications are subject to change without notice

Accuracy class of the instrument as a relation of PI/Pn and PF Test conditions: V = 0.8 to 1.2 Un, I = 0.1 to 1.2 In, f = 48 to 62 HzInput Star Delta Current voltage voltage AV5 Un: 230 V Un: 398 V In: 5 A PI/QI (installation power) One phase system: PI= UI· II · cos ϕ Q I= UI· II · sin ϕ Three phase, 3-wire system: PI= √3 · UI· II· cos ϕ Q I= √3 · UI· II · sin ϕ Three phase, 4-wire system: PI= 3 · UI· II· cos ϕ Q I= 3 · UI· II· sin ϕ where: U I = the real star voltage of the electrical system being measured. I = the maximum phase cur- rent of the electrical system being measured. cos ϕ = the average cos ϕ of the electrical system being measured. Pn /Qn (rated power of the instrument): One phase system: Pn = Qn = Un · In · CT(ratio) Three phase, 3-wire system: Pn = Qn = √3 · Un · In · CT(ratio) Three phase, 4-wire system: Pn = Qn = 3 · Un · In · CT(ratio) where: U n = the rated input voltage of WM2-DIN. In = the rated input current of WM2-DIN. CT (ratio)= the value of the current transformer ratio. Example 1: Model AV5.3 (3-wire system). U I= 380 V (delta voltage) II = 265 A (single phase cur- rent) cos ϕ = 0.85(system power factor) (CT=300A) U n = 398 V In = 5 A CT (ratio) = 300 = 605 PI = √3 · UI· II· cos ϕ = 148.07 kW Pn = √3 · Un · In · CT (ratio) = 206.56 kW PI = 148.07 = 0.716Pn 206.56 Example 2: Model AV5.3 (4-wire system). U I= 220 V II = 110 A (CT=300A) Cos ϕ = 0.85 (sin ϕ = 0.52) U n = 230 V In = 5 A CT (ratio) = 300 A = 605 A Q I = 3 · UI· II· sin ϕ = 3 · 220 · 110 · 0.52 = 37.75 Kvar Q I= 3 · Un · In · CT (ratio) = 3 · 230 · 5 · 60 = 207 Kvar PI = 37.75 = 0.183Pn 207 In both examples the accura- cy of the measurement is 1% f.s. when considering the changing of the measured voltage from 0.9 Un to 1 Un and the measured current from 0.1 In to 0.9 In with a cos ϕ of 0.85 (sin ϕ 0.52). PI / Pn 1%2% QI / QnActive Power Reactive Power Test conditions: V = 0.8 to 1.2 Un, I = 0.1 to 1.2 In, f = 48 to 62 Hz

Specifications are subject to change without notice 5 Wiring Diagrams Single phase input connections 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 CT connectionDirect connection Three phase/3-wire input connections - Balanced loads 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 CT connection (3-wire system)Direct connection (3-wire system) WM2-DIN Fig. 1 Fig. 2 Fig. 3 Fig. 4 Waveform of the signals that can be measured Figure G Sine wave, undistorted Fundamental content 100% Harmonic content 0% A rms = 1.1107 | A | Figure H Sine wave, indented Fundamental content 10...100% Harmonic content 0...90% Frequency spectrum 3rd to 16th harmonic Required result: additional error < 1% Figure I Sine wave, distorted Fundamental content 70...90% Harmonic content 10...30% Frequency spectrum 3rd to 15th harmonic Required result: additional error < 0.5% Mode of Operation (cont.) L N L N Load SourceLoad Source Load SourceLoad Source

6 Specifications are subject to change without notice

12 13 15 16 17 18 20 22 24 26 Wiring Diagrams (cont.) 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 CT connection (4-wire system) 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 CT connection (4-wire system)Direct connection (4-wire system) WM2-DIN Fig. 6 Fig. 10Fig. 9 Direct connection (4-wire system) Three-phase, 3-wire input ARON connections - Unbalanced load Fig. 5 Three phase, 4-wire input connections - Balanced loads 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 CT connection (3-wire system) Three phase, 4-wire input connections - Unbalanced load Fig. 7 N N N N 1 3 5 6 8 9 10 11 12 13 15 16 17 18 20 22 24 26 Fig. 8 Direct connection (3-wire system) Load SourceLoad Source Load SourceLoad Source Load SourceLoad Source

Specifications are subject to change without notice 7 WM2- DIN POW ER ANALYZER R L KWh KVArhTOTL1 L2 L3 cosϕ A V CARLO GAVAZZI WM2-DIN Front Panel Description - To enter into the programming procedure and select programming functions together with the ”L” key. “L”: To scroll all the single phase variable of each basic measurement “R”: To reset the partial counted energies (kWh, kVArh). 2. Display Instantaneous measurements: - 3-digit (maximum read-out 999) Energies: - 6-digit (maximum read-out 999999). Alphanumeric indication by means of LCD display for: - Displaying the configuration parameters - All the measured variables. 3. Connection terminal blocks 4. Dip-switch - For the selection of 2/4 wire connection, line biasing and/or line termination (only in case of RS 485 option) 1. Key-pad Set-up and programming procedures are easily controlled by the 4 pushbuttons. ” ” and ” ” - To scroll all the basic measurements (system variables) - To increase or decrease programming values Sequence of the variables on the display L L L L L L L L L L L L L L L L L L L L L L L L SINGLE PHASE VARIABLES PHASE 1 PHASE 2 PHASE 3 V L1 - L2 - L3 V (V )L1-N (V ) V L2 (V ) V L3 I L3 I L1IL1 L2 L3 L1 L2 L3 kW L1 L2 L3 kVAr L1 L2 L3 I L2 total partial kVARh kWh kWh kVARh cosϕ cosϕ cosϕ cosϕ kW kW kW kVAr kVAr kVAr L2-N L3-N(average total partial SYSTEM VARIABLE

8 Specifications are subject to change without notice

49.5 mm 58.5 mm 45 mmR L Dimensions Upper terminal board Lower terminal board Terminal boards WM2-DIN 46 mm

LCD = Liquid Crystal Display W = Active power VA = Apparent power var = Reactive power VLL = Voltage phase to phase VLN = Voltage phase to neutral ppm = Part per milion Ib = Basic current Imax = Maximum current dmd = Demanded CT = Current Transformer VT = Voltage Transformer An = Neutral current TRMS = True Root means square PF = Power Factor Hz = Frequency THD = Total Harmonic Distortion Wh = Active Energy Wh total = Total Active Energy Wh partial = Partial Energy varh = Reactive Energy varh total = Total Reactive Energy varh partial = Partial Reactive Energy R.H. = Relative Humidity SW = Software HW = Hardware Wdmd = Demanded Power VAdmd = Demanded Apparent Power Amax = Maximum current Wdmd max = Maximum Demanded Power PF avg = Average Power Factor