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EL3783 | EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

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EL3783 | EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

EL3783 | EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

Run LED
IL1 OK, IL1 Error
IL2 OK, IL2 Error
IL3 OK, IL3 Error
Error LED
L1 OK, L1 Error
L2 OK, L2 Error
L3 OK, L3 Error
Current
measurement IL1
Current
measurement IL2
Current
measurement IL3
L1
L2
L3
N
Top view 
Contact assembly 
EL3783 | EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

EL3783 | EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

EtherCAT oversampling: maximum sampling rates irrespective of the EtherCAT cycle time

Distributed Clocks: the integrated time management system in EtherCAT

Highly scalable: EtherCAT Terminals for energy management

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

EtherCAT oversampling: maximum sampling rates irrespective of the EtherCAT cycle time

Distributed Clocks: the integrated time management system in EtherCAT

Highly scalable: EtherCAT Terminals for energy management

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The EL3783 EtherCAT Terminal is a power monitoring I/O terminal used for state monitoring of a 3-phase AC voltage system. For each phase, voltage up to 400/690 Vrms and current up to 1 Arms/5 Arms are sampled as instantaneous values with a resolution of 16 bits. The six channels are measured simultaneously based on the EtherCAT oversampling principle with a temporal resolution of up to 50 µs and then passed on to the control system. With the processing power available there and in combination with the TwinCAT Function TF3650, true RMS or power calculations as well as complex user-specific algorithms can be calculated via the voltage and current characteristics. Through the oversampling principle, the terminal is able to measure at significantly shorter intervals than the cycle time of the control system. AC and DC parameters must be connected and measured with a common reference potential.

Through the feature “ExtendedRange”, the user has the full technical measuring range available at up to 130% of the specified nominal measuring range. The EL3783 supports distributed clocks and can therefore measure synchronously with other EtherCAT devices. In combination with EL6688 it can be synchronized via IEEE 1588 to external clocks. The terminal can also be operated without distributed clocks.

Product status:

regular delivery

Product information

Technical dataEL3783
Number of inputs3 x current, 3 x voltage
Oversampling factorn = 1…100 selectable
Distributed clocksyes
Conversion time50 µs, all channels simultaneously
Measured valuescurrent (I1, I2, I3), voltage as instantaneous values (oversampling)
Measuring voltagemax. 690 V AC 3~ (ULX-N: max. 400 V AC)
Measuring currentmax. 1 A (AC)/5 A (AC), via measuring transformers x A AC/1 A AC or 5 A AC
Measuring range, technicalgenerally 130% of the nominal measuring range, see documentation
Resolution16 bit (incl. sign)
Measurement error/uncertainty0.2% relative to full scale value
Electrical isolation4500 V
Current consumption power contacts
Current consumption E-bustyp. 260 mA
Special featuresoversampling, AC measurement, optional single-phase operation, adjustable automatic switch of current measuring range, electrically isolated current inputs
Operating/storage temperature0…+55°C/-25…+85°C (-25…+60°C/-40…+85°C in preparation)
Weightapprox. 100 g
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Approvals/markingsCE, UL
Protect. rating/installation pos.IP20/see documentation
Housing dataEL-24-2x8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)24 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

Ordering information
EL3783EtherCAT Terminal, 3-channel analog input, multi-function, 690 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling
EL3783-0100EtherCAT Terminal, 3-channel analog input, multi-function, 130 V AC, 1/5 A, 16 bit, 20 ksps, electrically isolated, oversampling

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