WM12-DINAV53CS

DIGITAL PANEL INSTRUMENTATION

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Manufacturer: CARLO GAVAZZI / PARTNER STOCK
Product type: Digital Panel Meters
SVHC: No SVHC (21-Jan-2025)

Delivery and price
Units per pack	3
Price	736.31 €
Current stock	10+
Lead time	30 days

Datasheet

## **Power analyzers and Energy Meters Multifunction indicator Type WM12-DIN** 

- **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): IP 40** 

- **Front dimensions: 6 DIN modules** 

- **Optional RS422/485 serial output** 

- **Alarms (visual only) V LN, An** 

## **Product Descri tion p** 

3-phase multifunction power 

## variables. 

indicator with built-in programming key-pad. Particularly recommended for displaying the main electrical 

Housing for DIN-rail mounting, (front) protection degree IP40 and optional RS485 serial output. 

## **How to order WM12-DIN   AV5 3 D X** 

**Model Range code System Power supply Option** 

## **T e Selection yp** 

## **Range codes System** 

## **Power supply** 

## **Options** 

**AV5:** 400/660VL-L/5(6)AAC **3 :** 1-2-3-phase, VL-N: 185 V to 460 V unbalanced load, with or without VL-L: 320 V to 800 V neutral **AV6:** 100/208VL-L/5(6)AAC 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 

**A:** 24VAC **X:** None -15+10%, 50-60Hz **S:** RS485 output **B:** 48VAC -15+10%, 50-60Hz **C:** 115VAC -15+10%, 50-60Hz **D:** 230VAC -15+10%, 50-60Hz **3:** 18 to 60VDC 

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

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

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|---|---|---|
|Sampling rate|1400 samples/s @ 50Hz|
|1700 samples/s @ 60Hz|
|Display refresh time|700ms|
|Display|
|Type|LED, 9mm|
|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 10A peak|
|Input impedance|
|400/660VL-L (AV5)|1 MΩ ±5%|
|100/208VL-L (AV6)|453 KΩ  ±5%|
|Current|≤|0.02Ω|
|Frequency|48 to 62 Hz|
|Overload protection|
|Continuos voltage/current|1.2 F.S.|
|For 500ms: voltge/current|2 Un/36A|

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**1** 

Specifications are subject to change without notice    WM12-DINDS0703 

**WM12-DIN** 

## **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).<br>**Power Supply Specifications**|**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: WL1, WL2, WL3<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: W dmd 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|
|**Auxiliary power supply**<br>230VAC<br>-15 +10%, 50-60Hz<br>115VAC<br>-15 +10%, 50-60Hz<br>48VAC<br>-15 +10%, 50-60Hz<br>**Operating**<br>0 to +50°C (32 to 122°F)<br>**temperature**<br>(RH < 90% non condensing at<br>40°C)<br>**Storage**<br>-10 to +60°C (14 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 mesuring<br>inputs and power supply.<br>**General Specifications**|24VAC<br>-15 +10%, 50-60Hz<br>18 to 60VDC<br>**Power consumption**<br>AC: 4.5 VA<br>DC: 4W|
||500VAC/DC between<br>mesuring inputs and RS485.<br>4000VAC, 500VDC between<br>power supplyand RS485.<br>**Dielectric strength**<br>4000 VAC(for 1 minute)<br>**EMC**<br>Emissions<br>EN50084-1 (class A)<br>residential environment,<br>commerce and light industry|



**2** 

Specifications are subject to change without notice    WM12-DINDS0703 

**WM12-DIN** 

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

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|---|---|---|
|Immunity|EN 61000-6-2 (class A)|
|industrial environment.|
|Pulse voltage (1.2/50µs)|EN61000-4-5|
|Safety standards|IEC 60664, EN60664|
|Approvals|CE|
|Connections 5(6) A|Screw-type|
|Max cable cross sect. area|2.5 mm|[2 ]|
|Housing|
|Dimensions (WxHxD)|107.8 x 80 x 64.5 mm|

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|||
|---|---|
|Material|ABS|
|self-extinguishing: UL 94 V-0|
|Mounting|DIN-rail|
|Protection degree|Front: IP40|
|Connections: IP20|
|Weight|Approx. 400 g (pack. incl.)|

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

## **Figure D** 

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

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

**Figure F 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)** 

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||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|No|1|[st]|variable|2|[nd]|variable|3|[rd]|variable|Note|
|1|a|V L1|V L2|V L3|
|2|V L12|V L23|V L31|Decimal point blinking on the right|
|of the display|
|3|es|A L1|A L2|A L3|
|4|An|AL.n|AL.n if neutral current alarm is|
|active|
|5|W L1|W L2|W L3|Decimal point blinking on the right|
|of the display if generated power|
|6|po|PF L1|PF L2|PF L3|
|7|VAR L1|VAR L2|VAR L3|Decimal point blinking on the right|
|of the display if generated power|
|8|po|VA L1|VA L2|VA L3|
|9|pO|VA system|W system|VAR system|
|10|VA dmd|W dmd|Hz|dmd = demand (integration time|
|(system)|(system)|(system)|selectable from 1 to 30 minutes)|
|11|a|W dmd MAX|Maximum sys power demand|
|12|V LL system|AL.U|PF system|AL.U= is activated only if one of|
|VLN is not within the set limits|
|13|A MAX|pO|max. current among the three phases|

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**3** 

Specifications are subject to change without notice    WM12-DINDS0703 

**WM12-DIN** 

## **Used calculation formulas** 

## **Phase variables** 

Instantaneous apparent power 

3-phase active power 

Instantaneous effective voltage 

Instantaneous reactive power Instantaneous active power 12 VAT, = {(VAy)? = (WW)? Wi=y “2Vin)s (Ay) **System variables** Instantaneous power factor Equivalent 3-phase voltage are cos; = yg ve ol Instantaneous effective current 3-phase reactive power 

3-phase apparent power 

3-phase power factor COSb: = 7W;~ Neutral current z **An = AL1 + AL2 + AL3** 

## **Wiring diagrams** 

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Fig. 1 Fig. 2 Fig. 3<br>T] IIT T IIT 1] HII<br>aeKt] TTTTASi || AL|ER | alRe tr |) POOLOT|<br>Cm Ls os E<br>CT connection 3CT and 3VT connection ARON connection<br>**----- End of picture text -----**<br>


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Fig. 4 Fig. 5 RS485 serial connection Fig. 6<br>Rx) — Tt<br>Txt) — Tit Rx+<br>POTa | | 18een20 22 24 a26272825931 1-Last instrument[1]            [2]            [3]<br>2-1...n Instrument<br>re ee ee ia Fa<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. 

**4** 

Specifications are subject to change without notice    WM12-DINDS0703 

**WM12-DIN** 

## **Front Panel Descri tion p** 

## **1. Key-pad** 

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2<br>1<br>C)<br>**----- End of picture text -----**<br>


To program the configuration parameters and the display of the variables. = **S** Key to enter programming and confirm selections; L Keys to: - programme values; - select functions; 

   - display measuring pages. 

**2. Display** LED-type with alphanumeric indications to: - display configuration parameters; 

   - display all the measured variables. 

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

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32,2mm<br>107,8mm 50,1mm<br>64,5mm<br>108,5mm<br>90mm 44mm<br>45mm<br>**----- End of picture text -----**<br>


**5** 

Specifications are subject to change without notice    WM12-DINDS0703

Updated at June 9, 2026

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