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
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
WM12-96 AV5 3 D XX
Model
Range code
System
Power supply
Option
Type Selection
Range codes
AV5:
380/660VL-L/5(6)AAC
VL-N: 185 V to 460
V
VL-L: 320 V to 800 V
AV6: 120/208VL-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
System
3:
Power supply
1-2-3-phase,
unbalanced load,
with or without
neutral
Current
Neutral current
Phase-phase voltage
Phase-neutral voltage
Active and Apparent power,
Power factor
Reactive power
Frequency
Additional errors
Humidity
Temperature drift
B:
C:
D:
3:
Input specifications
Rated inputs
Current
Voltage
Accuracy (display, RS485)
(@25°C ±5°C, R.H. ≤60%)
A:
3 (shunt)
4
with CT=1 and VT=1 AV5:
1150W-VA-var, FS:230VLN,
400VLL; AV6: 285W-VA-var,
FS:57VLN, 100VLL
0.25 to 6A: ±(0.5% FS +1DgT)
0.03A to 0.25A: ±7DgT
0.25 to 6A: ±(1.5% FS +1DgT)
0.09A to 0.25A: ±7DgT
±(1.5% FS +1 DgT)
±(0.5% FS + 1 DgT)
0.25 to 6A: ±(1% FS +1DgT);
0.03A to 0.25A: ±(1% FS
+5DgT)
0.25 to 6A: ±(2% FS +1DgT);
0.03A to 0.25A: ±(2% FS
+5DgT)
±0.1%Hz (48 to 62Hz)
≤0.3% FS, 60% to 90% RH
≤ 200ppm/°C
Specifications are subject to change without notice
24VAC
-15+10%, 50-60Hz
48VAC
-15+10%, 50-60Hz
115VAC
-15+10%, 50-60Hz
230VAC
-15+10%, 50-60Hz
18 to 60VDC
Sampling rate
Display refresh time
Display
Type
Read-out for the instant. var.
Measurements
Coupling type
Crest factor
Input impedance
380/660VL-L (AV5)
120/208VL-L (AV6)
Current
Frequency
Overload protection
Continuous voltage/current
For 500ms: voltage/current
WM12 96 DS ENG 100317
Options
X:
S:
None
RS485 output
1400 samples/s @ 50Hz
1700 samples/s @ 60Hz
700ms
LED, 14mm
3x3 DgT
Current, voltage, power,
power factor, frequency
TRMS measurement of
distorted waves.
Direct
< 3, max 10A peak
1 MW ±5%
453 KW ±5%
≤ 0.02Ω
48 to 62 Hz
1.2 F.S.
2 Un/36A
1
WM12-96
RS485 Serial Output Specifications
RS422/RS485 (on request)
Type
Connections
Addresses
Protocol
Software functions
Password
1st level
2nd level
System selection
Transformer ratio
CT
VT
Filter
Operating range
Filtering coefficient
Filter action
Multidrop
bidirectional (static and
dynamic variables)
2 or 4 wires, max. distance
1200m, termination directly
on the instrument
1 to 255, key-pad selectable
MODBUS/JBUS
Numeric code of max. 3
digits; 2 protection levels
of the programming data
Password “0”, no
protection
Password from 1 to 999,
all data are protected
3-phase with neutral
3-phase without neutral
3-phase ARON
2-phase
Single phase
Data (bidirectional)
Dynamic (reading only)
Static (writing only)
Data format
Baud-rate
Displaying
3-phase system with neutral
1 to 999
1.0 to 99.9
0 to 99.9% of the input
electrical scale
1 to 16
Measurements, alarms,
serial output
(fundamental variables: V, A,
W and their derived ones).
Alarms
Reset
System and phase variables
All configuration parameters
1 bit di start , 8 data bit,
no parity, 1 stop bit
9600 bit/s
Up to 3 variables per page
Page 1: V L1, V L2, V L3
Page 2: V L12, V L23, V L31
Page 3: A L1, A L2, A L3
Page 4: An
Page 5: W L1, W L2, W L3
Page 6: PF L1, PF L2,
PF L3
Page 7: var L1, var L2, var L3
Page 8: VA L1, VA L2, VA L3
Page 9: VA ∑, W ∑, var ∑
Page 10: VA dmd, W dmd,
Hz
Page 11: Wdmd MAX
Page 12: VL-L ∑, PF ∑
Page 13: A MAX
Programmable, for the VL∑ and
An (neutral current).
Note: the alarm is only visual,
by means of LED on the front
of the instrument.
Independent
alarm (VL∑, An)
max: A, Wdmd
Power Supply Specifications
Auxiliary power supply
230VAC
-15 +10%, 50-60Hz
115VAC
-15 +10%, 50-60Hz
48VAC
-15 +10%, 50-60Hz
Power consumption
General Specifications
Operating
temperature
Storage
temperature
Installation category
Insulation (for 1 minute)
2
-5 to +50°C (23 to 122°F)
(RH < 90% non condensing at
40°C)
-30 to +60°C (-22 to 140°F)
(RH < 90% non condensing at
40°C)
Cat. III (IEC 60664, EN60664)
4000VAC, 500VDC
between measuring
inputs and power supply.
RS485.
Dielectric strength
EMC
Emissions
24VAC
-15 +10%, 50-60Hz
18 to 60VDC
AC: 4.5 VA
DC: 4W
500VAC/DC between
measuring inputs and
4000VAC, 500VDC between
power supply and RS485
4000 VAC (for 1 min)
EN50084-1 (class A)
residential environment,
Specifications are subject to change without notice
WM12 96 DS ENG 100317
WM12-96
General Specifications (cont.)
Immunity
Pulse voltage (1.2/50µs)
Safety standards
Approvals
Connections 5(6) A
Max cable cross sect. area
Housing
commerce and light industry
EN61000-6-2 (class A)
industrial environment.
EN61000-4-5
IEC60664, EN60664
CE, cULus
Screw-type
2.5 mm2
Dimensions (WxHxD)
Material
Mounting
Protection degree
Weight
96 x 96 x 63 mm
ABS
self-extinguishing: UL 94 V-0
Panel
Front: IP65 (standard),
NEMA4x, NEMA12
Connections: IP20
Approx. 400 g (pack. incl.)
Waveform of the signals that can be measured
Figure A
Sine wave, undistorted
Fundamental content
100%
Harmonic content
0%
1.1107 | A |
Arms =
Figure B
Sine wave, indented
Fundamental content
10...100%
Harmonic content
0...90%
Frequency spectrum: 3rd to 16th harmonic
Additional error: