Product overview
EL3783
14
Version: 1.1
2.2
Technical data
RMS value (rms) specifications
All AC value specifications in this documentation such as RMS specifications (rms) refer to a 50/60
Hz 3-phase mains network with a sinusoidal waveform (crest factor 1.414).
Technical data
EL3783
Number of inputs
3 x current, 3 x voltage
Oversampling factor
n = 1…100 selectable
Distributed Clocks
yes
Accuracy of Distributed Clocks
<< 1 µs
Measuring error
< ±0.2% of full scale value
Conversion time
Minimum 50 µs, all channels measured simultaneously
Mains voltage
(nominal voltage range)
AC accordingly:
400 V
rms
(UL
X
-N) or 690 V
rms
(UL
X
-UL
Y
) (TN network: 600 V
rms
)
Technical voltage measuring range
520 V
rms
(UL
X
-N) or 897 V
rms
(UL
X
-UL
Y
)
common reference potential N/GND
max. time for voltages exceeding 500 V
rms
(ULx-N)
or 863 V
rms
(ULx-ULy):
t
max
< 10 s *
Max. permitted overvoltage
max. ±736 V (peak value, UL
X
-N, equivalent to 520 V
rms
) or
max. ±1270 V (peak value, UL
X
-UL
Y
, equivalent to 897 V
rms
)*
Voltage resolution (16-bit including sign)
1 digit ~ 22.5 mV
Input resistance voltage circuit
typ. 1.5 MΩ
Nominal current range
AC accordingly:
1 A
rms
(automatic switching to 5 A
rms
)
recommended via measuring transformer x A AC/1 A AC
Technical current measuring range
1.84 A (peak value, equivalent to 1.3 A
rms
) or
9.2 A (peak value, equivalent to 6.5 A
rms
)
Max. permitted overcurrent
max. ±10 A peak value, equivalent to 7 A
rms
*,
surge overload capacity 60 A (sinusoidal) for 1 sec.,
the upstream use of current-limiting current transformers is recommended
Largest short-term deviation during a specified elec-
trical interference test
< ±0.5% of full scale value for the current measurement
Current resolution (16-bit including sign)
1 digit ~ 56.2 µA (~281 µA if 5 A range is active)
Input resistance current circuit
typ. 3 mΩ
Signal type
variable
Electrical isolation
4,500 V
(test voltage connecting terminal/E-bus),
production test 2 sec.
Current consumption power contacts
-
Current consumption via E-bus
typ. 260 mA
Special features
Technical measuring range for current and voltage 130% of the respective mea-
suring range,
Anti-aliasing filter (see Basic functional principles), adjustable automatic current
range switching, electrically isolated current inputs
Configuration
via TwinCAT System Manager
Weight
approx. 100 g
Permissible ambient temperature range during oper-
ation
0°C ... +55°C
Permissible ambient temperature range during stor-
age
-25°C ... +85°C
Permissible relative air humidity
95%, no condensation
Dimensions (W x H x D)
approx. 27 mm x 100 mm x 70 mm (width aligned: 24 mm)
on 35 mm mounting rail conforms to EN 60715
Vibration / shock resistance
conforms to EN 60068-2-6 /
EN 60068-2-27
EMC immunity / emission
Conforms to EN 61000-6-2/EN 61000-6-4
Protection class
IP20
Installation position
!
Approval
CE
* operation for longer periods above the rated range can impair the function and/or lead to a shortening of
the service life
