WM1296AV53CS

## **Energy Management Multifunction indicator Type WM12-96** 

- **Accuracy ±0.5 F.S. (current/voltage)** 

- **Multifunction indicator** 

- **Display of instantaneous variables: 3x3 digit** 

- **Variable system and phase measurements: W, Wdmd, var, VA, VAdmd, PF, V, A, An, Hz** 

- **Amax, Wdmd max indication** 

- **TRMS meas. of distorted sine waves (voltages/currents)** 

- **Power supply: 24V, 48V, 115V, 230V, 50-60Hz; 18 to 60VDC** 

- **Protection degree (front): IP65** 

- **Front dimensions: 96x96mm** 

- **Optional RS422/485 serial output** 

- **Alarms (visual only) VLN, An** 

**Product Description How to order WM12-96   AV5 3 D XX** 

3-phase multifunction power Housing for panel mounting, **Model** indicator with built-in pro(front) protection degree IP65 **Range code** gramming key-pad. Particuas standard, and optional **System** larly recommended for disRS485 serial output. **Power supply** playing the main electrical ~~i~~ **Option** variables. 

## **T e Selection yp** 

|**Type Selection**|||
|---|---|---|
|**Range codes**|**System**||
|**AV5:**<br>380/660VL-L/5(6)AAC<br>VL-N: 185 V to 460 V<br>VL-L: 320 V to 800 V<br>**AV6:**<br>120/208VL-L/5(6)AAC|**3 :**|1-2-3-phase,<br>unbalanced load,<br>with or without<br>neutral|
|VL-N: 45 V to 145 V|||
|VL-L: 78 V to 250 V|||
|Phase current: 0.03A to 6A|||
|Neutral current: 0.09 to 6A|||



## **In ut s ecifications p p** 

|**Rated inputs**||
|---|---|
|Current|3 (shunt)|
|Voltage|4|
|**Accuracy** (display,  RS485)<br>(@25°C ±5°C, R.H.≤60%)|with CT=1 and VT=1 AV5:<br>1150W-VA-var, FS:230VLN,<br>400VLL; AV6: 285W-VA-var,<br>FS:57VLN, 100VLL|
|Current<br>Neutral current|0.25 to 6A: ±(0.5% FS +1DGT)<br>0.03A to 0.25A: ±7DGT<br>0.25 to 6A: ±(1.5% FS +1DGT)<br>0.09A to 0.25A: ±7DGT|
|Phase-phase voltage|±(1.5%FS +1 DGT)|
|Phase-neutral voltage|±(0.5% FS + 1 DGT)|
|Active and Apparent power,<br>Power factor|0.25 to 6A: ±(1% FS +1DGT);<br>0.03A to 0.25A: ±(1% FS<br>+5DGT)|
|Reactive power|0.25 to 6A: ±(2% FS +1DGT);|
|Frequency|0.03A to 0.25A: ±(2% FS<br>+5DGT)<br>±0.1%Hz(48 to 62Hz)|
|**Additional errors**||
|Humidity|≤0.3% FS,60% to 90% RH|
|**Temperature drift**|≤200ppm/°C|



|**Power supply**|**Options**|
|---|---|
|**A:**<br>24VAC|**X:**<br>None|
|-15+10%, 50-60Hz|**S:**<br>RS485 output|
|**B:**<br>48VAC||
|-15+10%, 50-60Hz||
|**C:**<br>115VAC||
|-15+10%, 50-60Hz||
|**D:**<br>230VAC||
|-15+10%, 50-60Hz||
|**3:**<br>18 to 60VDC||
|**Sampling rate**|1400 samples/s @ 50Hz|
||1700 samples/s @ 60Hz|
|**Display refresh time**|700ms|
|**Display**||
|Type|LED, 14mm|
|Read-out for the instant. var.|3x3 DGT|
|**Measurements**|Current, voltage, power,|
||power factor, frequency|
||TRMS measurement of|
||distorted waves.|
|Coupling type|Direct|
|Crest factor|< 3,max 10Apeak|
|**Input impedance**||
|380/660VL-L(AV5)|1 MΩ±5%|
|120/208VL-L(AV6)|453 KΩ±5%|
|Current|≤0.02Ω|
|**Frequency**|48 to 62 Hz|
|**Overload protection**||
|Continuous voltage/current|1.2 F.S.|
|For 500ms: voltage/current|2 Un/36A|



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Specifications are subject to change without notice    WM12 96 DS ENG   170408 

**WM12-96** 

## **RS485 Serial Output Specifications** 

**RS422/RS485** (on request) Type Multidrop bidirectional (static and dynamic variables) Connections 2 or 4 wires, max. distance 1200m, termination directly on the instrument Addresses 1 to 255, key-pad selectable Protocol MODBUS/JBUS 

## Data (bidirectional) 

Dynamic (reading only) Static (writing only) Data format Baud-rate 

System and phase variables All configuration parameters 1 bit di start , 8 data bit, no parity, 1 stop bit 9600 bit/s 

## **Software functions** 

|**Password**<br>Numeric code of max. 3<br>digits; 2 protection levels<br>of the programming data<br>1st level<br>Password “0”, no<br>protection<br>2nd level<br>Password from 1 to 999,<br>all data areprotected<br>**System selection**<br>3-phase with neutral<br>3-phase without neutral<br>3-phase ARON<br>2-phase<br>Singlephase<br>**Transformer ratio**<br>CT<br>1 to 999<br>VT<br>1.0 to 99.9<br>**Filter**<br>Operating range<br>0 to 99.9% of the input<br>electrical scale<br>Filtering coefficient<br>1 to 16<br>Filter action<br>Measurements, alarms,<br>serial output<br>(fundamental variables: V, A,<br>W and their derived ones).|**Displaying**<br>Up to 3 variables per page<br>3-phase system with neutral<br>Page 1:V L1, V L2, V L3<br>Page 2:  V L12, V L23, V L31<br>Page 3:A L1, A L2, A L3<br>Page 4: An<br>Page 5: W L1, W L2, W L3<br>Page 6: PF L1, PF L2,<br>PF L3<br>Page 7:  var L1, var L2, var L3<br>Page 8:  VA L1, VA L2, VA L3<br>Page 9:  VA∑, W∑, var∑<br>Page 10: VA dmd, W dmd,<br>Hz<br>Page 11: Wdmd MAX<br>Page 12: VL-L∑, PF∑<br>Page 13:  A MAX|
|---|---|
||**Alarms**<br>Programmable, for the VL∑and<br>An (neutral current).<br>Note: the alarm is only visual,<br>by means of LED on the front<br>of the instrument.|
||**Reset**<br>Independent<br>alarm (VL∑, An)<br>max: A, Wdmd|



## **Power Su l S ecifications pp y p** 

**Auxiliary power supply** 230VAC 24VAC -15 +10%, 50-60Hz -15 +10%, 50-60Hz 115VAC 18 to 60VDC -15 +10%, 50-60Hz **Power consumption** AC: 4.5 VA 48VAC DC: 4W -15 +10%, 50-60Hz 

## **General S ecifications p** 

|**Operating**<br>-5 to +50°C (23 to 122°F)<br>**temperature**<br>(RH < 90% non condensing at<br>40°C)<br>**Storage**<br>-30 to +60°C (-22 to 140°F)<br>**temperature**<br>(RH < 90% non condensing at<br>40°C)<br>**Installation category**<br>Cat. III(IEC 60664,EN60664)<br>**Insulation**(for 1 minute)<br>4000VAC, 500VDC<br>between measuring<br>inputs and power supply.|500VAC/DC between<br>measuring inputs and<br>RS485.<br>4000VAC, 500VDC between<br>power supplyand RS485<br>**Dielectric strength**<br>4000 VAC(for 1 min)<br>**EMC**<br>Emissions<br>EN50084-1 (class A)<br>residential environment,|
|---|---|



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Specifications are subject to change without notice    WM12 96 DS ENG   170408 

**WM12-96** 

## **General Specifications (cont.)** 

||commerce and light industry|
|---|---|
|Immunity<br>**Pulse voltage (1.2/50µs)**<br>**Safety standards**<br>**Approvals**|EN61000-6-2 (class A)<br>industrial environment.<br>EN61000-4-5<br>IEC60664,EN60664<br>CE,UL,CSA|
|**Connections 5(6) A**|Screw-type|
|Max cable cross sect. area|2.5 mm2|
|**Housing**||



|Dimensions (WxHxD)|96 x 96 x 63 mm|
|---|---|
|Material|ABS|
||self-extinguishing: UL 94 V-0|
|**Mounting**|Panel|
|**Protection degree**|Front: IP65 (standard),|
||NEMA4x, NEMA12|
||Connections: IP20|
|**Weight**|Approx. 400 g (pack. incl.)|



## **Waveform of the signals that can be measured** 

**Figure A Sine wave, undistorted** Fundamental content 100% Harmonic content 0% Arms = 1.1107 | A | 

**Figure B Sine wave, indented** Fundamental content 10...100% Harmonic content 0...90% Frequency spectrum:  3rd to 16th harmonic Additional error: <1% FS 

**Figure C Sine wave, distorted** Fundamental content 70...90% Harmonic content 10...30% Frequency spectrum:  3rd to 16th harmonic Additional error: <0.5% FS 

## **Display pages** 

**Display variables in 3-phase systems (in a 3-phase system with neutral)** 

|**No**|**1st variable**<br>~~ee~~|**2nd variable**<br>~~ee~~|**3rd variable**|**Note**|
|---|---|---|---|---|
|1|V L1<br>~~ee~~|V L2<br>~~ee~~|V L3<br>~~ee~~||
|2|V L12|V L23|V L31|Decimal point blinking on the right<br>of the display|
|3|A L1<br>~~a~~|A L2|A L3||
|4|An|AL.n||AL.n if neutral current alarm is<br>active|
|5|W L1|W L2|W L3|Decimal point blinking on the right<br>of the displayifgeneratedpower|
|6|PF L1<br>~~es~~|PF L2<br>~~es~~|PF L3<br>~~es~~||
|7|VAR L1|VAR L2|VAR L3|Decimal point blinking on the right<br>of the displayifgeneratedpower|
|8|VA L1<br>~~es~~|VA L2<br>~~es~~|VA L3<br>~~es~~||
|9|VA system<br>~~pp~~|W system<br>~~pp~~|VAR system<br>~~pp~~||
|10|VA dmd<br>(system)|W dmd<br>(system)|Hz<br>(system)|dmd = demand (integration time<br>selectable from 1 to 30 minutes)|
|11|~~pf~~|W dmd MAX<br>~~pf~~|~~pf~~|Maximum syspower demand|
|12|V LL system|AL.U|PF system|AL.U= is activated only if one of<br>VLN is not within the set limits|
|13|A MAX|~~po~~||max. current amongthe threephases|



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Specifications are subject to change without notice    WM12 96 DS ENG   170408 

**WM12-96** 

## **Used calculation formulas** 

## **Phase variables** 

**Phase variables** Instantaneous apparent power Instantaneous effective voltage Yn = ft Bivl?= Instantaneous reactive power VA, = Vin‘ Ay Instantaneous active power W,= n VAT, = |(VA )? —(W,)? i ‘E(Vinb (Ay); **System variables** ‘ , Instantaneous power factor Equivalent 3-phase voltage sevnaay cost,= weewy Instantaneous effective current 3-phase reactive power 

3-phase active power W,=W,+W2+Ws5 3-phase apparent power VA, = jw 24 VAr,2 3-phase power factor x ® > W; cose:= yam Neutral current z **An = AL1 + AL2 + AL3** 

**F1** = 315mA 

## **Wiring diagrams** 

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**----- Start of picture text -----**<br>
Fig. 1 Fig. 2 Fig. 3<br>17 19 21 15 24 23 26 25 28 27 17 19 21 15 24 23 26 25 28 27 17 19 21 24 23 26 25<br>F1<br>L1 L1 L1<br>L2 L2 L2<br>L3 L3 L3<br>N N<br>CT connection 3CT and 3VT connection ARON connection<br>Fig. 4 Fig. 5 RS485 serial connection Fig. 6<br>Gh EAD ri<br>17 19 15 24 23 26 25 17 15 24 23 ++-—Ix+<br>a<br>F1 F1 ee ie<br>L1 L1<br>L2 L2 [1]            [2]            [3]<br>L3<br>N N<br>1-Last instrument<br>2-1...n Instrument<br>3-SIU-PC<br>ARON and VT connection 2-phase connection 4-wire connection<br>**----- End of picture text -----**<br>


**NOTE:** the current inputs can be connected to the lines ONLY by means of current transformers. The direct connection is not allowed. 

**ATTENTION:** Only one ammeter input can be connected to earth, as shown in the electrical diagrams. 

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Specifications are subject to change without notice    WM12 96 DS ENG   170408 

**WM12-96** 

**Front Panel Descri tion p** ~~ns~~ **1. Key-pad** To program the configuration parameters and the display of the variables. 2 **S** Key to enter programming and confirm selections; L Keys to: - programme values; - select functions; - display measuring pages. **2. Display** 1 LED-type with alphanumeric indications to: - display configuration parameters; - display all the measured variables. ~~a~~ 

## **Dimensions and Panel Cut-out** 

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**----- Start of picture text -----**<br>
96mm 15.4mm<br>Oo=a | NX<br>61.4mm<br>91mm<br>96mm 96mm<br>**----- End of picture text -----**<br>


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Specifications are subject to change without notice    WM12 96 DS ENG   170408