Page 1
Energy Management
Modular Smart Power Quality Analyzer
Type WM3-96
• Class 0.5 (current/voltage)
2-bit µP-based modular smart power quality analyzer
• 3
• Graph display (128x64 dots)
• Front size: 96x96 mm
Measurements of single phase and system variables: W , Wdmd,
•
var , VA, VAdmd, PF, PFavg, V, A, An dmd (for all of them max. and
min. values). Energies: kWh and kvarh on 4 quadrants.
• Neutral current measurement
• TRMS measurement of distorted waves (voltage/current)
• Current and voltage inputs with autoranging capability
x4-dgt instantaneous variable read-out
• 4
• 4x9-dgt total energies read-out
• 4x6-dgt partial energies read-out
• 48 independent energy meters to be used as single,
dual, multi-time energy management
isplay refresh time: 100 msec @ 50 Hz
• D
• Harmonic distorsion analysis (FFT) up to 50th harmonic
with both graph and numerical indication (of current
and voltage)
• Harmonics source detection
• Optional RS232 + real time clock function with data
logging of alarm and MIN/MAX events, monthly energy
metering recording
• Degree of protection (front):IP 65
• Up to 4 optional alarm setpoints
• Up to 4 optional pulse outputs
• Up to 4 optional analogue outputs
• Optional serial RS 422/485 output
Universal power supply: 18 to 60VAC/DC - 90 to 260 VAC/DC
•
• MODBUS RTU, JBUS, (N2 MET ASYS protocols on r equest)
Product Description
32-bit µP-based smart power
quality analizer with a built-in
configuration key-pad.
The housing is for panel
mounting and ensures a
degree of protection (front) of
IP 65. The instrument is par-
Type Selection
Range code
240/415 VAC -
AV5:
1/5 AAC
(max. 300 V (L-N)/
520 V (L-L) - 6 A)
(standard)
AV7: 400/690VAC -
1/5 AAC
(max. 480V (L-N) /
830 V (L-L) / 6 A
System
3:
One phase, threephase system
(3 or 4 wires, balanced load)
Three phase system
(3 or 4 wires, unbalanced load)
Power supply
L:
18 to 60VAC/DC
H: 90 to 260VAC/DC
1)
On request
1)
1)
ticularly indicated for those
application where there is the
need to control the power
supply quality. The variables
being displayed are more
than 400.
Slot A (signal r
XX:
A1:
etransmission)
None
Single analogue output,
20mADC (standard)
A2:
Single analogue output,
5mADC
±
A3:
Single analogue output,
±10mADC
A4:
Single analogue output,
±20mADC
B1:
Dual analogue output,
1)
1)
1)
20mADC (standard)
B2: Dual analogue output,
±
5mADC
B3: Dual analogue output,
10mADC
±
B4: Dual analogue output,
20mADC
±
1)
1)
1)
V1: Single analogue output,
10VDC (standar
V2: Single analogue output,
±1VDC
V3: Single analogue output,
±5VDC
V4: Single analogue output,
10VDC
±
d)
1)
1)
1)
W1: Dual analogue output,
10VDC (standard)
W2: Dual analogue output,
±1VDC
W3: Dual analogue output,
±
W4: Dual analogue output,
±10VDC
5VDC
1)
1)
1)
Ordering Key
WM3-96AV53H XX XX XX XX X
Model
Range code
System
Power supply
Slot A
Slot B
Slot C
Slot D
Options
Slot B (signal r
XX:
B1:
etransmission)
None
Dual analogue output,
20mADC (standard)
B2: Dual analogue output,
±5mADC
B3: Dual analogue output,
10mADC
±
B4: Dual analogue output,
±20mADC
1)
1)
1)
W1: Dual analogue output,
10VDC (standard)
W2: Dual analogue output,
±1VDC
W3: Dual analogue output,
±5VDC
W4: Dual analogue output,
10VDC
±
1)
1)
1)
S1: Serial port,
RS485 multidr
bidirectional
1)
op,
NNoottee::
Slot A + Slot B
Max 4 analogue outputs
Slot C + Slot D
max 4 digital outputs
Slot C (alarm or pulse out)
XX:
None
R1:
Single relay output,
(AC1-8AAC, 250VAC)
R2: Dual relay output,
(AC1-8AAC, 250VAC)
O1:
Single open collector
1)
1)
output (30V/100mADC)
O2:
Dual open collector output (30V/100mADC)
D1:
3 digital inputs
1)
1)
Slot D (alarm or pulse out)
XX:
None
R2: Dual relay output,
(AC1-8AAC, 250V
O2:
Dual open collector out
put (30V/100mADC)
O4:
4 open collector out
puts (30V/100mADC)
AC)
1)
1)
1)
Options
X: None
S: Serial RS232 + RTC
N: With N2 Metasys protocol
C: options: S+N
1)
-
-
1
Page 2
WM3-96
Input Specifications
umber of inputs
N
Current 2 (system: single phase)
6 (system: 3-phase)
Voltage 2 (system: single phase
4 (system: 3-phase)
Digital 3 free of voltage contacts
for Wdmd, VAdmd,
An dmd, PFavg synchronization
Reading voltage/current:
7.5 to 25VDC/<8mA
1
Accuracy
urrent (A
C
(displa y, RS232, RS4 8 5) In: 5A, If.s.: 6A, start-up I: 15mA
A
A
,
,
1
L
)
2
3
L
L
±0.5% RDG (0.2 to1.2 In)
±5mA (0.02 to 0.2 In)
Current (A
) ±1% RDG (0.2 to 1.2 In)
n
@ 40 to 100 Hz
Voltage AV5 range: ±0.5% RDG (48 to 300 V
±1% RDG (84 to 519 V
AV7 range: ±0.5% RDG (80 to 480 V
1% RDG (139 to 830 V
±
includes also:
frequency , power supply
and output load influences
Frequency ±0.1% RDG (40 to 440 Hz)
Active power
(@ 25°C ± 5°C, R.H. ≤ 60%) ±0.5% (RDG + FS) (PF 0.5 L/C,
0.1 to 1.2 In, AV5 range) or
±1% RDG (PF 0.5 L/C,
0.1 to 1.2 In, AV5 range)
Reactive power
(@ 25°C ± 5°C, R.H. ≤ 60%) ±0.5% (RDG + FS) (PF 0.5 L/C,
0.1 to 1.2 In, AV5 range) or
±1% RDG (PF 0.5 L/C,
0.1 to 1.2 In, AV5 range)
Apparent power
(@ 25°C ± 5°C, R.H. ≤ 60%) ±0.5% (RDG + FS)
(0.1 to 1.2 In, AV5 range) or
±1% RDG
(0.1 to 1.2 In, AV5 range)
gies
Ener
(@ 25°C ± 5°C, R.H. ≤ 60%) Active: class 1 according to
EN61036
Reactive: class 2 accor
to EN61268
Ib: 5A, Imax: 6A
0.1Ib: 500mA
Start up current: 20mA
Un: 240V (AV5), 400V (A V7)
Harmonic distorsion 1% FS (FS: 100%)
(@ 25°C ± 5°C, R.H. ≤ 60%) phase: ±2°; Imin: 0.1Arms;
Imax: 15Ap; Umin: 50Vrms;
Umax: 500Vp
Sampling frequency
6400 samples/s @ 50Hz
Additional errors
0.3%RDG, 60% to 90% R.H.
Humidity
≤
Input frequency ≤ 0.4%RDG, 62 to 400 Hz
L-N
)
L-L
L
L-L
ding
agnetic field ≤ 0.5%RDG, @ 400 A/m
M
Temperature drift
ampling rate
S
≤200ppm/°C
400 samples/s @ 50Hz
6
Display Graph LCD, 128x64pixel,
back-lighted. Selectable
read-out for the instantaneous variables: 4x4-dgt or
1
4x3
/2-dgt
otal Energies: 4x9-dgt;
T
artial: 4x6-dgt
P
Max. and min. indication Max. 9999 (999,999,999),
Min. -9999 (–999,999,999)
Measurements Current, voltage, power,
energy, harmonic distortion
)
)
-N
)
(see “Display pages” table).
TRMS measurement of a distorted wave (voltage/current).
Coupling type: Direct
Crest factor: ≤3
(max. 15Ap/500Vp (V L-N)
or 15Ap/800Vp (V L-N)
Ranges (impedances)
AV5 58/100 V (>500 kΩ) -
1 AAC (≤
0.3 VA)
58/100 V (>500 kΩ) 5 AAC (≤ 0.3 VA)
240/415 V (>500 kΩ) 1 AAC (≤ 0.3 VA)
240/415 V (>500 kΩ
5 AAC (≤ 0.3 VA)
AV7 100/170 V ((>500 kΩ)
1 AAC (≤ 0.3 VA)
100/170 V (>500 kΩ) 5 AAC (≤ 0.3 VA)
400/690 V (>500 k
1 AAC (≤ 0.3 VA)
400/690 V (>500 kΩ) 5 AAC (≤ 0.3 VA)
equency range
Fr
-load protection
Over
Continuous: voltage/current AV5: 300 V
40 to 440 Hz
AV7: 480 V
LN
LN
For 1 s
AV5 600 V
/1040 VLL/120A
LN
AV7 960 VLN/1660 VLL/120A
Keypad 4 keys:
”S” for enter programming
phase and password confirmation,
”UP” and “DOWN” for
value programming/function
selection, page scr
“F” for special functions
) -
) -
Ω
/520 VLL/6A
/830 VLL/6A
olling
Output Specifications
Analogue outputs (on r
Number of outputs Up to 4 (on request)
Accuracy ±0.2% FS
Range 0 to 20 mADC,
2
equest)
°C ±5°C, R.H. ≤60%)
(@ 25
0 to ±20 mADC
10 mADC,
±
0 to
0 to ±5 mADC
0 to 10 VDC,
10 VDC
±
0 to
5 VDC
±
0 to
0 to ±1 VDC
Page 3
WM3-96
Output Specifications (cont.)
Scaling factor Programmable within the
hole r a n g e of retransmis-
w
ion; it allows the retrans-
s
mission management of all
values from:
0 to 20 mADC,
0 to ±20 mADC
0 to ±10 mADC,
0 to ±5 mADC
0 to 10 VDC,
0 to ±10 VDC
to ±5 VDC
0
0 to ±1 VDC
Variables to be retransmitted
All (see table“List of the variables
that can be connected to:”...)
Response time ≤ 200 ms typical
(filter excluded, FFT excluded
3 1/2 dgt indication)
Ripple
≤ 1% according to IEC 60688-1
and EN 60688-1
emperature drift 200 ppm/°C
T
Load: 20 mA output ≤ 600 Ω
±20 mA output ≤ 550 Ω
±10 mA output ≤ 1100 Ω
± 5 mA output ≤ 2200 Ω
10 V output ≥
10 kΩ
±10 V output ≥ 10 kΩ
± 5 V output ≥ 10 kΩ
± 1 V output ≥ 10 kΩ
Insulation By means of optocouplers,
4000V
output to
MS
R
measuring input
4000V
output to supply input
RMS
RS422/RS485 output
(on request) Multidrop
bidirectional (static and
dynamic variables)
Connections 4 wires, max. distance
1200m, termination directly
on the module
Addresses 1 to 255, selectable by key-pad
Protocol MODBUS RTU /JBUS,
(N2 METASYS on request)
Data (bidirectional)
Dynamic (r
eading only) All display variables (see also
the table, “List of the variables
that can be connected to”...)
Static (writing only)
All configuration parameters,
reset of energy, activation of
digital output
Stored energy (EEPROM)
max. 999.999.999 kWh/kvarh
Data format 1-start bit, 8-data bit, no
,
, 1 stop bit
Baud-rate
parity/even parity
odd parity
1200, 2400, 4800 and 9600
selectable bauds
Insulation By means of optocouplers,
4000 V
RMS
output to
measuring inputs
4000 V
output to
RMS
supply input
RS232 output (on r
equest)
ectional (static and
Bidir
dynamic variables)
Connections 3 wires, max. distance 15m,
Data format 1-start bit, 8-data bit,
no parity, 1-stop bit
Baud-rate 9600 bauds
Protocol MODBUS (JBUS)
Other data as for RS422/485
igital outputs (on request)
D
p to 4 outputs (combina-
U
tion of alarms and pulse
outputs)
The working of the outputs:
pulse or alarm or both of
them is fully programmable
and is independent from the
chosen output module.
puts remotely controlled by
the serial communication port
Pulse outputs (on request)
Number of outputs Up to 4, independent
Type
From 1 to 1000 programmable
pulses for K-M-G Wh, K-M-G varh,
open collector (NPN transistor)
1.2 VDC/ max. 100 mA
V
N
O
V
30 VDC max.
OFF
Outputs connectable to total
and partial energy meters
Pulse duration
220 ms (ON), ≥
220 ms (OFF)
According to DIN43864
Insulation By means of optocouplers,
4000 V
output to
rms
measuring input,
4000V
output to supply input.
rms
Note The outputs can be either
open collector type or relay
type (for this latter one see
the characteristics men-
tioned in the ALARMS).
Alarms outputs (on request)
Number of setpoints
Up to 4, independent
Alarm type Up alarm, down alarm, up
alarm with latch, down alarm
with latch, phase assymetry
phase loss, neutral loss
Variables to be controlled
All (see table“List of the variables
that can be connected to:”...)
Setpoint adjustment
Hysteresis
On-time delay
0 to 100% of the electrical scale
0 to 100% of the electrical scale
0 to 255 s
Relay status Selectable, Normally de-
energized, normally energized
Output type Relay
, SPDT
AC 1-8A, 250VAC
DC 12-5A, 24VDC
AC 15-2.5A, 250VAC
DC 13-2.5A, 24VDC
Min. response time ≤ 150 ms, filter excluded,
FFT excluded,
setpoint on-time delay: ”0s”
Insulation 4000 V
RMS
output to
measuring input,
4000V
output to supply input
RMS
Note The outputs can be either
relay type or open collector
type (for this latter one, see
the characteristics mentio-
in the PULSE OUTPUTS).
ned
Out-
,
3
Page 4
WM3-96
Software Functions
Password Numeric code of max. 3 di-
1st level Password “0”, no protection
nd level Password from 1 to 499, all
2
Transformer ratio For CT up to 30000 A,
Scaling factor
Operating mode Electrical scale: compression/
Electrical range Programmable within the
Filter
Filter operating range 0 to 99.9% of the
Filtering coefficient 1 to 255
gits; 2 protection levels of
the programming data
ata are protected
d
For VT up to 600 kV
expansion of the input scale
to be connected to up to 4
analogue outputs.
whole measuring range
input electrical scale
Supply Specifications
Filter action Display, alarm, analogue
Event logging Only with RS232 + RTC
age Variables
P
Display language English, Italian, French, Ger-
and serial outputs
(fundamental variable s:
, A, W and their derived ones)
V
module. The alarms max/min
alues will be stored with
v
ime (hh:mm:ss) and date
t
dd:mm:yy) references
(
Max. capacity: 480 events
ax. 4/page, one freely prog.
M
page + 26 variable pages +
ing to the kind of
d
accor
period selection: up to 12
energy meter pages.
man, Spanish
AC/DC voltage 90 to 260VAC/DC (standard),
18 to 60VAC/DC (on request),
General Specifications
Operating temperatur
Storage temperatur
Insulation reference voltage 300 V
Insulation 4000 V
Dielectric strength 4000 V
Noise rejection
CMRR 100 dB, 48 to 62 Hz
EMC EN 50081-2, EN 50082-2
Other standards
Safety requirements: IEC 61010-1, EN 61010-1
Product requirements: IEC 60688-1, EN 60688-1
e
e
0 to +50
(R.H. < 90% non-condensing)
-10 to +60
(R.H. < 90% non-condensing)
outputs to gr
C (32 to 122°F)
°
14 to 140
C (
°
to ground (AV5 input)
RMS
betweenall inputs/
RMS
ound
for 1 minute
RMS
F)
°
Power consumption ≤30VA/12W (90to 260V)
equirements Energy measurements:
oduct r
Pr
Pulse output:
ovals
Appr
Connector Scr ew-type,
Housing
Dimensions 96x96x140 mm
Material
Degree of protection Front: IP65, NEMA4x, NEMA12
Weight Approx. 600 g
20VA/12W (18 to 60V)
≤
EN61036, EN61268.
DIN43864
CE,
UL, CSA
max. 2.5 mm2wir
ABS,
self-extinguishing: UL 94 V-0
(packing included)
es x 2
4
Page 5
WM3-96
Function Description
Input and output scaling capability
Working of the analogue outputs (y) versus input variables (x)
Figure A
The sign of measured quant-
ty and output quantity re-
i
ains the same. The output
m
quantity is proportional to the
measured quantity .
Figure B
The sign of measured quantity and output quantity
changes simultaneously. The
output quantity is proportional to the measured quantity .
Figure C
The sign of measured quantity and output quantity remains the same. On the
range X0...X1, the output
quantity is zero. The range
X1...X2 is delineated on the
entire output range Y0 =
Y1...Y2 and thus presented in
strongly expanded form.
0 50 A 100 A
0 10 mA 20 mA
-100 kW 0 100 kW
-1 kW
80 V 100 V 120 V
0 5 mA 10 mA
0
1 kW
Figure D
The sign of measured quant-
ty and output quantity re-
i
ains the same. With the
m
measured quantity being
zero, the output quantity
already has the value
Y1 = 0.2 Y2.
Live zero output.
Figure E
The sign of the measured
quantity changes but that of
the output quantity remains
the same. The output quantity steadily increases from
value X1 to value X2 of the
measured quantity .
Figure F
The sign of the measured
quantity remains the same,
that of the output quantity
changes as the measured
quantity leaves range X0...X1
and passes to range X1...X2
and vice versa.
0 50 A 100 A
4 12 mA 20 mA
-100 kW 0 100 kW
0 10 mA
0 50 A 100 A
-1 V
0
20 mA
1 V
Mode of Operation
Waveform of the signals that can be measured
Figure G
Sine wave, undistorted
Fundamental content 100%
Harmonic content 0%
A
= 1.1107 | A |
rms
Figure H
Sine wave, indented
Fundamental content 10...100%
Harmonic content 0...90%
Frequency spectrum 3rd to 50th harmonic
Figure I
Sine wave, distorted
Fundamental content 70...90%
Harmonic content 10...30%
Frequency spectrum 3rd to 50th harmonic
5
Page 6
WM3-96
Harmonic distortion analysis
Analysis principle FFT
Harmonic measurement
Current Up to 50th harmonic
Voltage Up to 50th harmonic
1)
T ype of harmonics THD (V
L
THD odd (V
THD even (V
1)
L
1)
L
and also for the other phases:
L2, L3.
THD (I
L
1)
THD odd (I
THD even (I
1)
L
1)
L
and also for the other phases:
L2, L3.
Harmonic phase angle The instrument measures the
angle between the single harmonic of “V” and the single
harmonic of “I” of the same
order . Accor ding to the value
of the electrical angle, it is
possible to know if the distortion is absorbed or generated.
Note: if the system has 3
Energy time period management
wires the angle cannot be
measured.
Harmonic details For every THD page it is pos-
ible to see the harmonic
s
order .
Display pages The harmonics content is
is
d
layed as a graph showing
p
he whole harmonic spectrum.
t
The information is given also
as numerical information:
THD in % / RMS value
THD odd in % / RMS value
THD even in % / RMS value
single harmonic in % / RMS
value
Others The harmonic distortion
can be measured in
2-wire, 3-wire or 4-wire
systems.
w: 0.02
T
Time periods Selectable: single time,
dual time and multi-time
Single time
Number of energy meters Total: 4 (9-digit)
(no partial meters)
Dual time
Number of ener
gy meters Total: 4 (9-digit)
Partial: 8 (6-digit)
Time periods
2, programmable within
24 hours
Multi time
Number of energy meters Total: 4 (9-digit)
Partial: 48 (6-digit)
Time periods 4, programmable
within 24 hours
Time seasons
3, programmable within
12 months
Pulse outputs Connectable to total and
partial ener
gy meters (Single
time, dual time, multi time
periods)
Energy metering r
ecording
gy consumption story,
Ener
ding of energy metering
ecor
r
by months, oldest data: 2
ent month.
months befor
e curr
Recording of total and partial
energy metering
Management concept (multi-time)
(a)
+Wh, +VArh, –Wh, -VArh
max. 4
(b)
Time period (24 hours)
max. 3
(c)
Season (12 months)
Partial: up to 48 energy meters (axbxc)
Total: up to 4 energy meters (“a” type)
Example of Multi-time energy metering
WINTERWINTER
startstart
trf2
trftrf
11
OO:OOOO:OO
22 O6:OOO6:OO
33 O8:OOO8:OO
TARIFFTARIFF
startstart
trftrf
1O:OO1O:OO
22
33 16:OO16:OO
44 18:OO18:OO
11 21:OO21:OO
TARIFFTARIFF
WINTERWINTER
trf1
24
trf4
trf3
22
20
18
16
14
trf2 trf3
12
10
trf1
2
4
6
8
endend
O6:OOO6:OO
O8:OOO8:OO
1O:OO1O:OO
11
endend
16:OO16:OO
18:OO18:OO
21:OO21:OO
OO:OOOO:OO
11
6
Page 7
WM3-96
Display pages
Variables that can be displayed in case of a three-phase system, 4-wire connection.
No 1st variable 2nd variable 3rd variable 4th variable Note
electable Selectable Selectable Selectable
S
Σ
1 V L1 V L2 V L3 V L-N sys Sys =
2
V L1-2 V L2-3 V L3-1 V L-L sys Sys =
3 A L1 A L2 A L3 A n
4 W L1 W L2 W L3 W sys Sys =
5
var L1 var L2 var L3 var sys Sys =
6 VA L1 VA L2 VA L3 VA sys Sys =
7 PF L1 PF L2 PF L3 PF sys
8
V L1 A L1 PF L1 W L1
9 V L2 A L2 PF L2 W L2
10 V L3 A L3 PF L3 W L3
11
V L-L sys PF sys var sys W sys Sys
12 A n PF sys Hz W sys Sys =
13 A n dmd VA dmd PF avg W dmd dmd=demand, avg=average
14 (MAX1) (MAX2) (MAX3) (MAX4) The MAX value can be one of the
15 (MAX5) (MAX6) (MAX7) (MAX8) above mentioned (No. 1 to No. 13)
16 (MAX9) (MAX10) (MAX11) (MAX12)
17 (MIN1) (MIN2) (MIN3) (MIN4) The MIN value can be one of the
18 (MIN5) (MIN6) (MIN7) (MIN8) above mentioned (No. 1 to No. 13)
19 Histogram FFT V1 (THD, TADo, THDe, Single harmonic) Only if analysis V1-A1 is activated
20 Histogram FFT A1 (THD, TADo, THDe, Single harmonic) Only if analysis V1-A1 is activated
21 Histogram FFT V2 (THD, TADo, THDe, Single harmonic) Only if analysis V2-A2 is activated
22 Histogram FFT A2 (THD, TADo, THDe, Single harmonic) Only if analysis V2-A2 is activated
23 Histogram FFT V3 (THD, TADo, THDe, Single harmonic) Only if analysis V3-A3 is activated
24 Histogram FFT A3 (THD, TADo, THDe, Single harmonic) Only if analysis V3-A3 is activated
25 KWh + TOT KWh – TOT Kvar+ TOT Kvar– TOT
26 KWh+ KWh– Kvar+ Kvar– Partial energy meters
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
=
Σ
Σ
Used Calculation Formulas
Formulas being used for
single-phase measurements
Instantaneous effective voltage
Instantaneous active power
Instantaneous power factor
Instantaneous effective current
Instantaneous apparent power
Instantaneous reactive power
Formulas being used for 3-phase measurements
Equivalent three-phase voltage
Three-phase reactive power
Neutral current
An = AL1+AL2+A
ee-phase active power
Thr
L3
Three-phase apparent power
Equivalent three-phase power factor
(TPF)
Total harmonic distortion
Harmonic values:
THDi-THD of parameter T at phase i
Tn,i - value of parameter T at the n’th
harmonic of phase i
Energy metering
= total consumed active energy
kWh
i
at phase i
Arh
kV
= total consumed r
i
energy at phase i
P
(t) = total RMS active power at
i
phase i of time t
(t) = total RMS r
Q
i
phase i of time t
t
= starting and ending time points
1t2
of consumption recording
= total RMS active power at
P
n,i
phase i of discrete time n
Q
= total RMS r
n,i
phase i of discrete time n
eactive power at
eactive power at
eactive
∆t = time interval between two successive power consumptions
n1, n2 = starting and ending discrete
time points of consumption recording
7
Page 8
WM3-96
List of the variables that can be connected to:
• max/min variable detection;
analogue outputs;
•
alarm outputs.
•
No Variable 1-phase 3-ph. + N 3-ph. + N 3-ph. 3-ph. Note
1 V L1 o x x o o
2
3 V L3 o x x o o
4 V L-N sys o x x o o Sys =
5
6 V L2-3 o x x x x
7 V L3-1 o x x x x
8
9 A L1 x x x x x
10 A L2 o x x x x
11 A L3 o x x x x
12 A n o x x o o Neutral current
13 W L1 x x x o o
14
15 W L3 o x x o o
16 W sys o x x x x Sys =
17 var L1 x x x o o
18 var L2 o x x o o
19 var L3 o x x o o
20 var sys o x x x x Sys =
21 VA L1 x x x o o
22 VA L2 o x x o o
23 VA L3 o x x o o
24 VA sys o x x x x Sys =
25 PF L1 x x x o o
26 PF L2 o x x o o
27 PF L3 o x x o o
28 PF sys o x x x x Sys =
29 Hz x x x x x
30
31 THDo V1 x x x x x if FFT V1-A1 is activated
32 THDe V1 x x x x x if FFT V1-A1 is activated
33 THD V2 o x x x x if FFT V2-A2 is activated
34 THDo V2 o x x x x if FFT V2-A2 is activated
35
36 THD V3 o x x x x if FFT V3-A3 is activated
37 THDo V3 o x x x x if FFT V3-A3 is activated
38 THDe V3 o x x x x if FFT V3-A3 is activated
39 THD A1 x x x x x if FFT V1-A1 is activated
40 THDo A1 x x x x x if FFT V1-A1 is activated
41
42 THD A2 o x x x x if FFT V2-A2 is activated
43 THDo A2 o x x x x if FFT V2-A2 is activated
44 THDe A2 o x x x x if FFT V2-A2 is activated
45 THD A3
46 THDo A3 o x x x x if FFT V3-A3 is activated
47
48 A n dmd x x x x x Integration time programmable
49 VA dmd x x x x x Integration time prog. from 1 to 30 min.
50
51 W dmd x x x x x Integration time prog. from 1 to 30 min.
52 ASY o x x x x Integration time prog. from 1 to 30 min.
V L2 o x x o o
V L1-2 x x x x x
V L-L sys o x x x x Sys
W L2 o x x o o
THD V1
THDe V2 o
THDe A1
THDe A3
avg x x x x x Integration time prog. from 1 to 30 min.
PF
Sys. Bal. Sys. Unbal. Sys. Bal. Sys. Unbal. Sys.
Σ
Σ
Σ
Σ
=
Σ
Σ
Σ
Σ
Σ
Σ
Σ
Σ
x x x x x if FFT V1-A1 is activated
x
x
o
o
x
x
x x x x if FFT V3-A3 is activated
x
x
x x x if FFT V3-A3 is activated
x
x x if FFT V1-A1 is activated
x if FFT V2-A2 is activated
om 1 to 30 minutes
fr
Note: (x) stands for an “available” variable, (o) stands for a “not-available” variable.
8
Page 9
WM3-96
The available modules
ype N. of Ordering
T
channels code
WM3-96 base AD 1016H
WM3-96 N2 METASYS base AD 1016HN2
AV5.3 measuring inputs AQ 1018
AV7.3 measuring inputs AQ 1019
18-60VAC/DC power supply AP1021
90-260VAC/DC power supply AP1020
20mADC analogue output 1 AO1050
10VDC analogue output 1 AO1051
±5mADC analogue output 1 AO1052
±10mADC analogue output 1 AO1053
±20mADC analogue output 1 AO1054
±1VDC analogue output 1 AO1055
±5VDC analogue output 1 AO1056
±10VDC analogue output 1 AO1057
20mADC analogue output 2 AO1026
10VDC analogue output 2 AO1027
±5mADC analogue output 2 AO1028
±10mADC analogue output 2 AO1029
±20mADC analogue output 2 AO1030
±1VDC analogue output 2 AO1031
±5VDC analogue output 2 AO1032
±10VDC analogue output 2 AO1033
RS485 output 1 AR1034
Relay output 1 AO1058
Relay output 2 AO1035
Open collector output 1 AO1059
Open collector output
Open collector output 4
Digital inputs 3 AQ1038
RS232 output + R
TC (1) 1 AR1039
2 AO1036
AO1037
The possible module combinations
Basic unit
Single analogue output
Dual analogue output
S485 input/output
R
Single relay output (*)
Single open collector out (*)
Dual relay output (*)
Dual open coll. out (*)
4 open coll. output (*)
3 digital inputs
Basic unit Slot E
RS232 input/output + RTC
(*) alarm or pulse
(1) The RS232 communication port works as
alter
native of the RS485 module.
Slot A Slot B Slot C Slot D
N2-Open Metasys protocol
full compatibility (available on
request).
Wiring Diagrams
Single phase input connections
ect connection
Dir
Fig. 1
CT connection
Fig. 2
Fig. 3
CT and VT connection
9
Page 10
WM3-96
Wiring Diagrams (cont.)
Three-phase wire input connections - Balanced loads
Fig. 4
CT connection (3-wire system)Direct connection (3-wire system)
Fig. 7 Fig. 8
Fig. 5
F
CT and VT connection (3-wire system)
Fig. 9
ig. 6
ect connection (4-wir
Dir
Three-phase, 3-wire ARON input connections - Unbalanced loads
CT connection (3-wire system)
e system)
CT connection (4-wir
Fig. 10
CT and VT connection (3-wire system)
e system)
10
Fig. 11
CT and VT connection (4-wire system)
ee-phase, 3-wire input connec-
Thr
tions - Unbalanced loads
Fig. 12
CT and VT connection (3-wire system)
Page 11
WM3-96
Wiring Diagrams (cont.)
Three-phase three-wire input connections
Unbalanced load
Three-phase four-wire input connections - Unbalanced load
Fig. 13
CT connection (3-wire system)
CT connection (4-wire system)
Wiring diagrams (optional modules)
Fig. 14
Fig. 15
CT and VT connection (4-wire system)
AO1050
1 analogue
output (mA)
AO1037
4 open collector outputs: The load r
the VDC voltage must be lower than or equal to 30V
VDC: power supply voltage output. V
collector transistor).
AO1026
2 analogue
outputs (mA)
VDC
VDC
VDC
VDC
esistance (Rc) must be designed so that the closed contact curr
o+: positive output contact (open collector transistor). GND: gr
.
AO1051
1 analogue
output (V)
AO1058
1 relay output
AO1027
2 analogue
outputs (V)
AO1038
3 digital inputs
AO1035
2 relay outputs
ent is lower than 100mA;
ound output contact (open
11
Page 12
WM3-96
Wiring diagrams (optional modules, cont.)
RS422/485 4-wires connection: additional
devices provided with RS422/485 (that is RS 1, 2,
3...N) are connected in parallel.
The termination of the serial output is carried out
only on the last instrument of the network, by
means of a jumper between (Rx+) and (T).
RS422/485 2-wires connection: additional
devices provided with RS422/485 (that is RS 1, 2,
3...N) are connected in parallel.
The termination of the serial output is carried out
only on the last instrument of the network, by
means of a jumper between (Rx+) and (T).
Front Panel Description
2
1
1. Key-pad
Set-up and programming procedures are easily contr olled
by the 4 pushbuttons.
- ”S” for enter pr
confirmation,
ogramming phase and password
Dimensions
- for value programming/function selection, page scrolling
- “F” for special functions
2.
Display
Istantaneous measurements:
- 4-digit (maximum read-out 9999)
Energies:
- 9-digit (maximum r
Alphanumeric indication by means of LCD display for:
- Displaying the configuration parameters
- All the measured variables.
ead-out 999999999).
12
Page 13
WM3-96
Terminal boards
ingle analogue output modules
S
AO1050 (20mADC)
AO1051 (10VDC)
AO1052 (±5mADC)
O1053(±10mADC)
A
AO1054 (±20mADC)
AO1055 (±1VDC)
AO1056 (±5VDC)
O1057(±10VDC)
A
Digital output modules
AO1058
Single relay output
AO1035
Dual relay output
Dual analogue outputs
AO1059
Single open collector
output
AO1026 (20mADC)
AO1027 (10VDC)
AO1028 (±5mADC)
O1029(±10mADC)
A
AO1030 (±20mADC)
AO1031 (±1VDC)
AO1032 (±5VDC)
O1033(±10VDC)
A
AO1036
Dual open collector
output
AO1037
4 open collector
outputs
Power supply modules
Other input/output modules
AQ1038
3 Digital inputs
AR1039
RS232 port + RTC
AR1034
RS485 port
AP1021
AC/DC power supply
18-60V
AP1020
90-260 V
AC/DC power supply
13
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