Carlo Gavazzi WM5-96 - Manual (Page 45)

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Number of analogue inputs
Current 1 (1-phase; system code: 3)
3 (3-phase; system code: 3)
Voltage 1 (1-phase; system code: 3)
4 (3-phase; system code: 3)
Digital inputs (on request) Up to 12
AQ1038 No. of inputs: 3 (voltage-free)
Purpose “dmd” measurements
synchronisation.
Tariff selection: energy.
Contact status reading.
Clock synchronisation.
Contact measuring current <8mA/ 17.5 to 25VDC
AQ1042 Number of inputs: 3 +
excitation output
Purpose “dmd” measurements
synchronisation.
Tariff selection: energy.
Contact status reading.
Clock synchronisation.
Excitation output 16V<+Aux<24VDC Max15mA
Contact measuring current 15mA
Common characteristics
Close contact resistance Max 1k Ω
Open contact resistance Min 100k Ω
Insulation see “Insulation between
inputs and outputs” table
Accuracy (display, RS232, RS485)
In: 5A, If.s.: 10A
Un: see voltage ranges below
Current (A
L1
, A
L2
, A
L3
) from 0.05In to Imax:
(@20°C ±5°C, R.H.
≤75%)
±(0.2%RDG+2DGT)
from 0.01In to 0.05In:
±(0.5%RDG+2DGT)
Current (A
n
) ±0.5% RDG (0.2 to 2 In)
from 40 to 100 Hz
Voltage (@20°C±5°C, R.H. ≤75%)
range AV5: 400/690V
L-L
AC
V
L-N
: from 185 V to 460 V
V
L-L
: from 320 V to 800 V
±(0.2%RDG+1DGT)
range AV6: 120/208V
L-L
AC
V
L-N
: from 45 V to 145 V
V
L-L
: from 78 V to 250 V
±(0.2%RDG+1DGT)
Includes also: frequency,
power supply and output
load influences.
Frequency ±0.1% RDG (40 to 440 Hz)
Active power and 0.05In to Imax, PF 1:
apparent power ±(0.5%RDG+1DGT)
(@ 20°C ± 5°C, R.H. ≤ 75%) 0.01In to 0.05In, PF 1:
±(1%RDG+1DGT)
0.1In to Imax, PF 0.5L,
PF 0.8C:
±(0.6%RDG+1DGT)
0.02In to 0.1In, PF 0.5L,
PF 0.8C: ±(1%RDG+1DGT)
Reactive power
(@ 20°C ± 5°C, R.H. ≤ 75%) 0.1In to Imax, senϕ 0.5L/C:
±(2%RDG+1DGT)
0.05In ÷ 0.1In, sen
ϕ 0.5L/C:
±(2.5%RDG+1DGT)
0.05In ÷ Imax, sen
ϕ 1:
±(2%RDG+1DGT) 0.02In to
0.05In, sen
ϕ 1:
±(2.5%RDG+1DGT)
Energies
(@ 20°C ± 5°C, R.H. ≤ 75%) Active: class 0.5 according
to EN62053-22, ANSI C12.20
Reactive: class 2 according
to EN62053-23, ANSI C12.1
In: 5A, Imax: 10A
0.1In: 500mA,
Start-up current: 5mA Un:
400/690V
L-L
(AV5)
Un: 120/208V
L-L
(AV6)
Harmonic distortion 1% FS (FS: 100%)
(@ 20°C ± 5°C, R.H. ≤ 75%) fase: ±2°; Imin: 5mA
RMS
;
Imax: 15Ap; Umin: 30V
RMS
;
Umax: 500Vp
Temperature drift ≤200ppm/°C (A/V), ≤300ppm/°C
(all other measurements)
Sampling rate 6400 samples/s @ 50Hz
7680 samples/s @ 60Hz
Display Graph LCD, backlighted
(128x64 dots). Read-out for
instantaneous variables:
4x4 digit
Total energies: 4x9 digit;
Partial energies: 4x9 digit
Display refresh time 100ms
Max. and min. indication Max. 9999 (999,999,999),
Min. -9999 (–999,999,999)
Front LED Red
Blinking light in case of vir-
tual alarm. Fixed light in
case of digital output acti-
vation (alarm)
Measurements Current, voltage, power,
energy, power factor, fre-
quency, harmonic distortion
(see “Display pages”). TRMS
measurement of a distorted
wave (voltage/current).
Coupling type Direct
Crest factor < 3, max 10A peak
Input impedance
400/690V
L-L
(AV5) 1.77 M Ω ±5%
120/208V
L-L
(AV6) 885 k Ω ±5%
Current ≤ 0.01Ω
Frequency 40 to 440 Hz
Overload (maximum values)
Permanent: voltage/current AV5: 460V
LN
, 800V
LL
/10A
AV6: 145V
LN
, 250V
LL
/10A
For 500ms: voltage/current AV5: 800V
LN
, 1380V
LL
/36A
AV6: 240V
LN
, 416V
LL
/36A
Input Specifications
Technical specifications
WM5-96 Instruction Manual