YZ WM12-96 Technical data

Power analyzers and Energy Meters
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, W

ar, VA, VA

v

• A

, W

ax

m

• 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) V

md max

d

PF, V, A, An, Hz

,

dmd

indication

L

, An

N

dmd

,

Product Description

3-phase multifunction power
indicator with built-in pro­gramming key-pad. Particu­larly recommended for dis­playing the main electrical
variables.

Housing for panel mounting,
(front) protection degree IP65
as standard, and optional
RS485 serial output.

How to order

Model
Range code
System
Power supply
Option

Type Selection

Range codes

AV5: 400/660V

/5(6)AAC

-L

L

VL-N: 185 V to 460 V
VL-L: 320 V to 800 V

AV6: 100/208V

/5(6)AAC

L-L

VL-N: 45 V to 145 V

VL-L: 78 V to 250 V
Phase current: 0.03A to 6A
Neutral curr

ent: 0.09 to 6A

System

3 : 1-2-3-phase,

unbalanced load,
with or without
neutral

Power supply

A:
B: 48VAC
C: 115VAC
D: 230VAC
3: 18 to 60VDC

Input specifications

Rated inputs

Current 3 (shunt)

oltage

V

Accuracy

(dis play, RS 4 85) with CT=1 and VT=1 AV5:

4

(@25°C ±5°C, R.H. ≤60%) 1150W-VA-var, FS:230VLN,

400VLL; A

V6: 285W-V

A-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 Appar

ent 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

0.3% FS, 60% to 90% RH

Humidity

≤

Temperature drift ≤200ppm/°C

Sampling rate 1400 samples/s @ 50Hz

Display r
Display

,

Measurements Current, voltage, power,

Input impedance

Fr
Overload pr

WM12-96 AV5 3 D XX

Options

X:

24VAC

-15+10%, 50-60Hz

-15+10%, 50-60Hz

-15+10%, 50-60Hz

-15+10%, 50-60Hz

efresh time

ype

T
Read-out for the instant. var. 3x3 DGT

Coupling type Direct
Crest factor < 3, max 10A peak

400/660V
100/208V

V5)

(A

L-L

V6) 453 K

(A

L-L

Current ≤ 0.02Ω

equency

otection

Continuos voltage/curr
For 500ms: voltge/curr

ent
ent

None

S:

RS485 output

1700 samples/s @ 60Hz
700ms

LED, 14mm

power factor , fr equency
TRMS measurement of
distorted waves.

1 M

5%

Ω ±

5%

Ω ±

62 Hz

to

48

.S.

1.2 F
2 Un/36A

1

WM12-96

RS485 Serial Output Specifications

RS422/RS485 (on request)

Type Multidrop

Connections 2 or 4 wir es, max. distance

Addresses 1 to 255, key-pad selectable
Protocol MODBUS/JBUS

bidirectional (static and

ynamic variables)

d
1200m, termination directly

on the instrument

Software functions

Password Numeric code of max. 3

1st level Password “0”, no
2nd level Password from 1 to 999,

System selection 3-phase with neutral

Transformer ratio

CT 1 to 999
VT 1.0 to 99.9

Filter

Operating range 0 to 99.9% of the input
Filtering coefficient 1 to 16

Filter action Measurements, alarms,

digits; 2 protection levels
of the programming data

protection
all data are protected

3-phase without neutral
3-phase ARON
2-phase
Single phase

electrical scale

serial output
(fundamental variables: V, A,

W and their derived ones).

Data (bidirectional)

Dynamic (reading only) System and phase variables
Static (writing only) All configuration parameters

ata format 1 bit di start , 8 data bit,

D
Baud-rate 9600 bit/s

Displaying Up to 3 variables per page

3-phase system with neutral

Alarms Programmable, for the VL∑and

Reset Independent

no parity, 1 stop bit

Page 1:
Page 2: V L12, V L23, V L31
Page 3:
Page 4: An
Page 5: W L1, W L2, W L3
Page 6: PF L1, PF L2,

Page 7: var L1, var L2, var L3
Page 8: VA L1, V A L2, V A L3
Page 9: VA ∑, W ∑, var ∑
Page 10: VA dmd, W dmd,

Page 11: Wdmd MAX
Page 12: VL-L ∑, PF ∑
Page 13: A MAX

An
Note: the alarm is only visual,
by means of LED on the front
of the instrument.

alarm (VL∑,An)
max: A, Wdmd

V L1, V L2, V L3

A L1, A L2, A L3

PF L3

Hz

(neutral current).

Power Supply Specifications

Auxiliary power supply 230V

AC

-15 +10%, 50-60Hz
115VAC

-15 +10%, 50-60Hz
48VAC

-15 +10%, 50-60Hz

General Specifications

Operating 0 to +50°C (32 to 122°F)
temperatur

Storage -10 to +60°C (14 to 140°F)
temperature

Installation category Cat. III (IEC 60664, EN60664)
Insulation (for 1 minute)

e

2

(RH < 90% non condensing at
40°C)

(RH < 90% non condensing at
40°C)

AC, 500VDC

V

4000
between mesuring
inputs and power supply.

24VAC

-15 +10%, 50-60Hz

Power consumption AC: 4.5 VA

Dielectric str
EMC

Emissions EN50084-1 (class A)

ength

18 to 60VDC
DC: 4W

500VAC/DC between
mesuring
4000VAC, 500VDC between
power supply and RS485

4000

esidential envir

r
commer

inputs and RS485.

AC

V

(for 1 min)

ce and light industry

onment,