PQT-90 Instruction manual
Technical features
67
61
PQT-90 Instruction manual
60
Technical features
59
Continuous: voltage/current: AV5: 300V
L-N
/ 500V
L-L
/ 6A
AV7: 480V
L-N
/ 830V
L-L
/ 6A
For 1s: voltage/current: AV5: 600V
L-N
/1040V
L-L
/120A
AV7: 960V
L-N
/1660V
L-L
/120A
■
Output specifications
Analogue outputs
(on request)
Number of outputs: up to 4
Accuracy: ±0.2% f.s. (@ 25°C ±5°C, R.H.
≤
60%)
Range: 0 to 20 mADC, 0 to ±20 mADC 0 to ±10 mADC,
0 to ±5 mADC 0 to 10 VDC, 0 to ±10 VDC 0 to ±5 VDC,
0 to ±1 VDC
Scaling factor: programmable within the whole range of
retransmission; it allows the retransmission management of
all values from: 0 to 20 mADC, 0 to ±20 mADC, 0 to
±10mADC, 0 to ±5 mADC, 0 to 10 VDC, 0 to ±10 VDC, 0 to
±5 VDC, 0 to ±1 VDC. Variables to be retransmitted: all.
Response time:
≤
200 ms typical (filter excluded, FFT exclud-
ed).
Ripple:
≤
1% according to IEC 60688-1 and EN 60688-1.
Temperature drift:
≤
200 ppm/°C.
Load: 20 mADC
≤
600
Ω
, ±20 mADC
≤
550
Ω
, ±10 mADC
≤
1100
Ω
, ±5 mADC
≤
2200
Ω
, 10 VDC
≥
10 k
Ω
, ±10 VDC
≥
10k
Ω
,
±5 VDC
≥
10k
Ω
, ±1 VDC
≥
10k
Ω
.
Insulation by means of optocouplers: 4000 V
RMS
output to
measuring input 4000 V
RMS
output to supply input.
RS422/RS485 (on request):
bidirectional (static and dynamic
variables). Connections: 2 or 4 wires, max. distance: 1200m,
termination directly on the module.
Addresses: from 1 to 255, software programmable.
Protocol: MODBUS RTU/JBUS. Data format: (bidirectional).
Dynamic (reading only): all variables.
±0.5% (RDG + FS) (PF 0.5 L/C, 0.1 to 1.2 In, range AV5) or
±1% RDG (PF 0.5 L/C, 0.1 to 1.2 In, range AV5)
Apparent power (@ 25°C ± 5°C, R.H.
≤
60%):
±0.5% (RDG + FS) (0.1 to 1.2 In, range AV5) or ±1% RDG
(0.1 to 1.2 In, range AV5).
Energies (@ 25°C ± 5°C, R.H.
≤
60%): Active: class 1 accord-
ing to EN61036. Reactive: class 2 according to EN61268, Ib:
5A, Imax: 6A 0.1Ib: 500mA Start-up current: 20mA Un: 240V
(AV5), 400V (AV7).
Harmonic distortion: 1% FS (FS: 100%) (@ 25°C ± 5°C, R.H.
≤
60%) phase: ±2°; Imin: 0.1Arms; Imax: 15Ap; Umin: 50V
RMS
;
Umax: 500Vp. Sampling frequency 6400 samples/s @ 50Hz
Additional errors:
Humidity
≤
0.3% RDG, 60% to 90% R.H.
Input frequency:
≤
0.4% RDG, 62 to 400 Hz.
Magnetic field:
≤
0.5% RDG @ 400 A/m
NOTE: all accuracies are referred to measurements carried out
with the analogue input module.
Temperature drift:
≤
200ppm/°C.
Sampling rate:
6400 samples/s @ 50Hz.
Measurements:
current, voltage, power factor, energy, power
factor, frequency, harmonic distortion. TRMS measurement of a
distorted wave. Coupling type: direct. Crest factor:
≤
3, max.
15Ap/500Vp AV5 (L-N), 15Ap/800Vp AV7 (L-N)
Ranges (impedances)
AV5:
58/100 V (> 500 k
Ω
) - 1 AAC (
≤
0.3 VA)
58/100 V (> 500 k
Ω
) - 5 AAC (
≤
0.3 VA)
240 V/415 V (> 500 k
Ω
) -1 AAC (
≤
0.3 VA)
240 V/415 V (> 500 k
Ω
) -5 AAC (
≤
0.3 VA)
AV7:
100/170 V (> 500 k
Ω
) -1 AAC (
≤
0.3 VA)
100/170 V (> 500 k
Ω
) - 5 AAC (
≤
0.3 VA)
400/690 V (> 500 k
Ω
) - 1 AAC (
≤
0.3 VA)
400/690 V (> 500 k
Ω
) - 5 AAC (
≤
0.3 VA)
Frequency:
40 to 440 Hz
Overload protection:
