2
Specifications are subject to change without notice
WM22-DINDS1003
the following ranges:
0 and 20mADC, 0 and 10VDC
Response time
System variables
V, W, VA, var, PF (cos
ϕ)
FFT off, filter off
900ms
FFT on, filter on
1.4s
variables
THD-V, THD-A
Filter off
3s
Ripple
≤1%accordingtoIEC60688-1,
EN 60688-1
Load
20 mADC
≤ 500 Ω
10 VDC
≥ 10 kΩ
Insulation
By means of optocouplers,
2000 VRMS between output
and measuring input
Analogue outputs (on request)
Number of outputs
1
Range
0 to 20 mADC
(AO2920 module slot B,
only for versions with
auxiliary power supply)
0 to 10VDC
(AO2921 module slot B,
only for versions with
auxiliary power supply)
Accuracy
±0.5% F.S.
Temperature drift
≤ 300 ppm/ °C
Scaling factor
Programmable within the
whole range of
retransmission;
it allows the retransmission
of all the values included in
Number of inputs
Current
3
Voltage
4
Accuracy (display, RS485)
Ib: 5A, Imax: 10A
Ib: 20A, Imax:90A
Un: see previous page
“Range code”
Current
from 0.003Ib to 0.2Ib:
±(0.5%RDG +3DGT)
from 0.2Ib to Imax:
±(0.5%RDG +1DGT)
Voltage
in the range Un:
±(0,5% RDG + 1DGT)
Frequency
±0.1% RDG (50 to 60 Hz)
Active power
(@ 25°C ± 5°C, R.H.
≤ 90%)
±(1% RDG +1DGT). PF 1,
0.1Ib to Imax, in the Un range;
PF 0.5L, PF 0.8C, 0.2Ib to
Imax, in the Un range
Reactive power
(@ 25°C ± 5°C, R.H.
≤ 90%)
±(2% RDG +1DGT). sin
ϕ 1,
0.05Ib to Imax, in the Un range;
sin
ϕ 0.5L, sinϕ 0.5C,
0.1Ib to Imax, in the Un range
Apparent power
(@ 25°C ± 5°C, R.H.
≤ 90%)
±(1% RDG +1DGT). PF 1,
0.1Ib to Imax, in the Un range
Energies
(@ 25°C ± 5°C, R.H.
≤ 90%)
Class 1 acc. to EN61036
Class 2 acc. to EN61268
Ib: 5A, Imax: 10A
0.1Ib: 500mA,
Start up corrent: 20mA
Un: see table “range code”
Ib: 20A, Imax: 90A
0.1Ib: 2A,
Start up current: 80mA
Un: see table “range code”
Harmonic distortion
±3% f.s. (f.s.: 100%)
(@ 25°C ± 5°C, R.H.
≤ 90%)
up to the 7th harmonic;
Un: see table “range code”
Ib 5A
Imin: 500mA;
Imax: 15Ap;
Ib 20A
Imin: 2A;
Imax: 127Ap;
Additional errors
Acc. to EN61036, EN61268
Wave form
<1% (3rd harmonic: 10%)
Voltage asymmetry
< 0.5% (referred to Un)
Magnetic induction
0 (up to 0.5 mT)
HF Electromagnetic fields
< 1%
Operation of accessories
0
Temperature drift
≤ 200ppm/°C
Sampling rate
1000 samplings/s @ 50Hz
Display
Type
Back-lighted LCD
Instantan. variables read-out
4x31/2 DGT
Energies
Total:1x71/2 DGT
Partial: 1x71/2 DGT
Max. and Min. indication
Max. 1999 (19999999), Min. 0
Measurements
Current, voltage, power,
energy, power factor, frequen-
cy, harmonic distortion (see
display specs). TRMS
measurements of distorted
wave forms.
Coupling type
Direct
Crest factor
Ib 5A
≤3 (15A max. peak)
Ib 20A
≤6 (127A max. peak)
Current overload
5(10) A, for 10ms
300 A max, @ 50Hz
5(10) A, for 500ms
200 A max, @ 50Hz
5(10) A, permanent
10A, @ 50Hz
20(90) A, for 10ms
2700A max, @ 50Hz
20(90) A, permanent
90A, @ 50Hz
Voltage overload
Permanent
1.2 Un
For 1s
2 Un
Input impedance
400
VL-L
(AV1-AV5-AV9)
> 720K
Ω
208VL-L
(AV0-AV4-AV8-AV2)
> 720K
Ω
660VL-L
(AV3-AV7)
> 1.97M
Ω
100VL-L
(AV6)
> 400K
Ω
5(10) A (AV4-AV5-AV6-AV7)
< 0.3VA
20(90) A (AV0-AV1-AV3-AV8-AV9) < 4VA
20(90) A (AV2)
< 4VA
Frequency
50 to 60 Hz
Interface module specifications
Input specifications
WM22-DIN
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