Energy Management Modular Power Analyzers Type WM2-96 • Class 1 (current/voltage) • Modular power analyzer • Front size: 96x96 mm • 3-dgt/6-dgt µP-based indicator • Manual or automatic scrolling of system and single phase: kW, kVAr, PF, kWh, kVArh, A, VL-L 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 65 • Optional pulse output (according to DIN43864) • Optional serial RS 422 /485 port • MODBUS, JBUS protocol. Product Description Ordering Key WM2-96 AV53D XXX gle phase measurements and indications. The housing is easy to mount on a panel and ensures a degree of protection (front) of IP 65. Model Range code System Power supply 1st output 2nd output Range code System Power supply 1st output (pulse) AV5: 3: A: XX: O1: µP-based modular power analyzer with a built-in configuration key-pad. The power, power factor, current and voltage are system and sin- Type Selection AV7: 1) 2) 3) 250/433 VAC - 5 AAC (max. 300 V (L-N)/ 520 V (L-L) - 6 A) 400/690 VAC - 5 AAC (max. 480 V (L-N)/ 830 V (L-L) - 6 A) 1) One phase, three-phase system, 3 or 4 wires, balanced load; three phase system, 3 or 4 wires, unbalanced load On request Warning: this power supply cannot be used if the RS485 module is needed Compatible with any kind of output B: C: D: L: H: 24 VAC, -15% +10%, 50/60 Hz 1) 2) 48 VAC, -15%+10%, 50/60 Hz 1) 2) 115 VAC, -15% +10%, 50/60 Hz 1) 2) 230 VAC, -15% +10%, 50/60 Hz (standard) 2) 18 to 60 VDC/AC 3) 90 to 260 VDC/AC 3) No output (standard) Single open collector output (30V/100mADC) 1) O2: Dual open collector output, the second one is the copy of the first one, like “O1” 1) R1: Single relay output, (AC1-8AAC, 250VAC) 1) R2: Dual relay output, the second one is the copy of the first one, like “R1” 1) 2nd output X: S: No output (standard) Serial port, RS 485 multidrop bidirectional 1) Input Specifications Accuracy (48 to 62 Hz) Voltage/current (@ 25°C ± 5°C, R.H. ≤ 60%) Active power (@ 25°C ± 5°C, R.H. ≤ 60%) Reactive power (@ 25°C ± 5°C, R.H. ≤ 60%) Power factor (PF) (@ 25°C ± 5°C, R.H. ≤ 60%) Energy (@ 25°C ± 5°C, R.H. ≤ 60%) Additional errors Humidity Power supply Magnetic field Un: 250V (AV5), 400V (AV7) In: 5A Rated input Current ±0.5% f.s. (0 to 1.2 In, 0.5 to 1.2 Un) ±1% f.s. (PF ≥ 0.7 L/C, 0 to 1.2 In, 0.5 to 1.2 Un) ±1% f.s. (PF ≥ 0.7 L/C, 0 to 1 In, 0 to 1 Un) ±1% f.s., PF ≥ 0.7 L/C, (0.6 to 1.2 In, 1 to 1.2 Un) ±1% RDG (kWh), ±2% RDG (kvarh), (PF ≥ 0.7L/C, 0 to 1.2 In, 0.5 to 1.2 Un) Voltage Insulation Temperature drift Display 2 inputs (one/three-phase balanced load) 6 inputs (one/three-phase unbalanced load) 2 inputs (one/three-phase balanced load) 4 inputs (one/three-phase unbalanced load) among the voltage and the current inputs: 2000Vrms; among the current inputs: 2000 Vrms ±250 ppm/°C Backlighted LCD, h 13mm, 3-dgt (instantaneous meas.) 6-dgt (energies) < 0.3% f.s., 60% to 90% R.H. ±0.5% rdg, -15 +10% p.s. < 0.1% f.s. @ 400 A/m Specifications are subject to change without notice WM2-96DS0303 1 WM2-96 Input Specifications (cont.) Decimal point position Max. and min. indication Voltage Current (CT ratio = 1) PF Power (CT ratio = 1) Active energy Reactive energy Sampling rate Measurements System variables Total energies Partial energies Single phase variables Measurement method Instantaneous measurements: Automatic selection according to the current transformer 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. 600 min. 0 Max. 6.00 min. 0.00 Max. 1.00 min. 0.00 Max. 5.40 min. 0.00 Max. 999999 min. –199999 Max. 999999 min. 0 3 times / second Coupling type: Direct Crest factor: ≥ 3 Ranges (impedances) Frequency range Over-load protection Continuous: voltage/current For 1 s Voltage: Current: Keyboard kW, kVAr, PF, VL-L, A, kWh, kvarh kWh, kvarh (the meters are reset automatically when the values reach 14999*CT ratio) kW, kVAr, PF, VL-N, A TRMS measurement of a distorted voltage/current wave 250 V/433 V (≥400kΩ) 5 AAC (≤ 0.3 VA / ≤ 0.1Ω) 400V/690V (≥650kΩ) 48 to 62 Hz Un: 250V (AV5), 400V (AV7) In: 5A 1.2 Un /In 2 Un 20 In 4 keys: ”∆∇”: - to enter programming phase and password confirmation; - for value programming and basic measurement scrolling. “L”: - for confirmation of new programmed values and going ahead to the next programming step, - single phase measurement scrolling. “R”: - for the reset of the partial counted active and/or reactive energy. Output Specifications Pulse output (on request) Number of outputs Static type (according to DIN 43864) Relay type Pulse duration Insulation Serial port (on request) Type Connections Addresses 2 Protocol 1, independent From 0.1 to 999.9 programmable pulses for kWh, KVArh, open collector (NPN transistor) VON 1.2 VDC/ max. 100 mA VOFF 30 VDC max. 1 x SPDT AC 1 - 8A, 250VAC DC 12 - 5A,24VDC AC 15 - 2.5A, 250VAC DC 13 - 2.5A, 24VDC 200 ms (ON), ≥ 200 ms (OFF) By means of optocouplers, 4000 Vrms output to measuring input, 4000 Vrms output to supply input. Data (bidirectional) Dynamic (reading only) Static (writing only) Data format RS422/RS485; Multidrop bidirectional (static and dynamic variables) 4 wires, max. distance 1200m, termination directly on the module 1 to 255, selectable by key-pad Baud-rate Insulation MODBUS/JBUS System variables: P, Q, PF, VL-L, energies, Single phase variables: PL1, QL1, PFL1, VL1-N, AL1, PL2, QL2, PFL2, VL2-N, AL2, PL3, QL3, PFL3, VL3-N, AL3 All programming data, reset of energy: - partial kWh - partial kVArh - total kWh - total kVArh Stored energy (EEPROM) ≤ 999999 kWh ≤ 999999 kVArh 1-start bit, 8-data bit, no parity/even parity, 1 stop bit 1200, 2400, 4800 and 9600 selectable bauds By means of optocouplers, 4000 Vrms output to measuring inputs 4000 Vrms output to supply input Specifications are subject to change without notice WM2-96DS0303 WM2-96 Software Functions Password 1st level 2nd level Measurement scrolling System: Numeric code of max. 3 digits; 2 protection levels of the programming data Password “0”, no protection Password from 1 to 255, all data are protected Active power (kW), reactive power (kVAr), power factor (cos ϕ), current (A), average phase-phase voltage (V) total and partial active energy (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 (14999*CT). Single phase: Transformer ratio Programmable ratio Digital Filter Filter operating range Filtering coefficient Filter action Example: the CT is a 100A/5A so the ratio is 20, consequently the maximum counted energy is 299980 kWh or kVArh. Active power (kW), reactive power (kVAr), power factor (cos ϕ), current (A), phase-neutral voltage (V) For CT up to 5000 A 0.1 to 999.9 0 to 100% of the input electrical scale 1 to 64 On the display and on the variable being transmitted by the serial communication port. Supply Specifications AC voltage 230 VAC (standard), -15%+10% 50/60 Hz 24 VAC, 48 VAC, 115 VAC (on request), -15%+10% 50/60 Hz 18 to 60VDC/AC Power consumption 90 to 260VDC/AC ≤ 30VA / 12W (90 to 260V) ≤ 20VA / 12W (18 to 60V) General Specifications Operating temperature Storage temperature Insulation reference voltage Insulation Dielectric strength Noise rejection CMRR EMC 0° to +50°C (32° to 122°F) (R.H. < 90% non-condensing) -10° to +60°C (14° to 140°F) (R.H. < 90% non-condensing) 300 Vrms to ground 4000 Vrms between all inputs/ outputs to ground 4000 Vrms for 1 minute 100 dB, 48 to 62 Hz EN 50081-2, EN 50082-2 Specifications are subject to change without notice WM2-96DS0303 Safety standards Other standards Approvals IEC 61010-1, EN 61010-1 Pulse output: DIN43864 CE UL, CSA Connector Screw-type, max. 2.5 mm2 wires x 2 Housing Dimensions Material Degree of protection Weight 96 x 96 x 140 mm ABS, self-extinguishing: UL 94 V-0 Front: IP65 Approx. 500 g (packing included) 3 WM2-96 Mode of Operation Accuracy class of the instrument as a relation of PI/Pn and cos ϕ (power factor) Active Power PI / Pn Reactive Power QI / Qn 2% 2% 1% 1% 5% Test conditions: V = 0.8 to 1.2 Un, I = 0.1 to 1.2 In, f = 48 to 62 Hz Test conditions: V = 0.8 to 1.2 Un, I = 0.1 to 1.2 In, f = 48 to 62 Hz Input Star voltage Delta voltage Current Example 1: Model AV5.3 (3-wire system). Example 2: Model AV5.3 (4-wire system). AV5 Un: 250 V Un: 430 V In: 5 A UI = 400 V (delta voltage) II = 265 A (single phase cur- UI = 230 V II = 110 A (CT=300A) rent) PI/QI (installation power) One phase system: PI = UI · II · cos ϕ QI = UI · II · sin ϕ Three phase, 3-wire system: PI = √3 · UI · II · cos ϕ QI = √3 · UI · II · sin ϕ Three phase, 4-wire system: PI = 3 · UI · II · cos ϕ QI = 3 · UI · II · sin ϕ where: UI = the real star voltage of the electrical system being measured. I = the maximum phase current of the electrical system being measured. Cos ϕ = the average cos ϕ of the electrical system being measured. 4 Pn /Qn (rated power of the instrument): One phase system: Cos ϕ = 0.85 (system power factor) (CT=300A) Un = 430 V In = 5 A CT (ratio) = 300 5 = 60 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: Un = the rated input voltage of WM2-96. In = the rated input current of WM2-96. CT (ratio) = the value of the current transformer ratio. PI = √3 · UI · II · cos ϕ = √3 · 400 · 265 · 0.85 = 155.87 kW Pn = √3 · Un · In · CT (ratio) = √3 · 430 · 5 · 60 = 233.17 kW PI 155.87 = = 0.698 Pn 223.17 Cos ϕ = 0.85 (sin ϕ = 0.52) Un = 250 V In = 5 A A CT (ratio) = 300 5 A = 60 Qn = 3 · UI · II · sin ϕ = 3 · 230 · 110 · 0.52 = 39.46 kvar Qn = 3 · Un · In · CT (ratio) = 3 · 250 · 5 · 60 = 225 kvar 39.46 PI = = 0.175 Pn 225 In both examples the accuracy 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). Specifications are subject to change without notice WM2-96DS0303 WM2-96 Mode of Operation (cont.) Waveform of the signals that can be measured 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 G Sine wave, undistorted Fundamental content 100% Harmonic content 0% 1.1107 | A | Arms = 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% Wiring Diagrams Single phase input connections Fig. 2 Fig. 1 I 1 3 5 L1 L2 L3 2 4 6 8 L1 7 N L2 9 10 L3 I U 1 3 5 L1 L2 L3 2 4 6 8 L1 7 N 10 L3 L2 9 U L1 L1 N N CT connection Direct connection Three phase 3-wire input connections - Balanced loads Fig. 4 Fig. 3 CT connection (3-wire system) Direct connection (3-wire system) Specifications are subject to change without notice WM2-96DS0303 5 WM2-96 Wiring Diagrams (cont.) Three phase, 4-wire input connections - Balanced loads Fig. 6 Fig. 5 Direct connection (4-wire system) CT connection (4-wire system) Three-phase, 3-wire input connections Unbalanced load Three-phase, 3-wire input ARON connections Unbalanced load Fig. 7 Fig. 8 CT connection (3-wire system) CT connection (3-wire system) Three phase, 4-wire input connections - Unbalanced load Fig. 9 Direct connection (4-wire system) 6 Fig. 10 CT connection (4-wire system) Specifications are subject to change without notice WM2-96DS0303 WM2-96 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 2. Display Instantaneous measurements: - 3-digit (maximum read-out 999) Energies: - 6-digit (maximum read-out 999999). 1 Alphanumeric indication by means of LCD display for: - Displaying the configuration parameters - All the measured variables. 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 SYSTEM VARIABLE V L1 - L2 - L3 (average) PHASE 1 SINGLE PHASE VARIABLES PHASE 3 PHASE 2 V L1 (V L1-N ) L V L2 (V L2-N ) L L V L3 (V L3-N ) L I L1 L2 L3 I L L1 I L L2 L I L cosϕ L3 L cosϕ L1 L2 L3 cosϕ L L1 L cosϕ L2 L3 L kW L1 L2 L3 kW L L1 kW L2 L L kW L3 L kVAr L1 L2 L3 L kVAr L1 L kVAr L2 L kVAr L3 L kWh total kWh L partial L kVARh total kVARh L partial L Specifications are subject to change without notice WM2-96DS0303 7 WM2-96 The available modules Type N. of channels WM2-96 base + AV5.3 input WM2-96 base + AV7.3 input 24VAC power supply 48VAC power supply 115VAC power supply 230VAC power supply 18-60VAC/DC power supply 90-260VAC/DC power supply RS485 port Relay output Relay output Open collector output Open collector output Ordering code AB1012 AB1013 AP1025 AP1024 AP1023 AP1022 AP1021 AP1020 AR1034 AO1058 AO1035 AO1059 AO1036 1 1 2 1 2 Note Neither UL nor CSA approved Neither UL nor CSA approved Neither UL nor CSA approved Neither UL nor CSA approved The second output can be used as redoundant output The second output can be used as redoundant output The possible module combinations Slot Basic unit RS485 port Single relay output (pulse) Single open collector output (pulse) B Out 1 D Out 2 Slot Basic unit RS485 port Dual relay output (pulse) Dual open collector output (pulse) B Out 1 D Out 2 Dimensions 8 Specifications are subject to change without notice WM2-96DS0303 WM2-96 Terminal boards Digital output modules AO1058 Single relay output AO1035 Dual relay output AO1059 Single open collector output AO1036 Dual open collector output Other input/output modules AR1034 RS485 port Power supply modules AP1025 24VAC power supply AP1022 230VAC power supply Specifications are subject to change without notice AP1024 48VAC power supply AP1021 18-60VAC/DC power supply WM2-96DS0303 AP1023 115VAC power supply AP1020 90-260 VAC/DC power supply 9