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EL3074 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 12 bit

EL3074 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 12 bit

EL3074 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 12 bit

Run LED
Err LED
CH1...4
Power contact
+24 V
Power contact 0 V
Ch1 U+
Ch2 U+
Ch3 U+
Ch4 U+
+24 V
+24 V
+24 V
+24 V
GND
GND
GND
GND
Input Ch1
Input Ch2
Input Ch3
Input Ch4
Top view 
Contact assembly 
EL3074 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 12 bit

EL3074 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 12 bit

The EL3072 and EL3074 analog input terminals are the 10 V/20 mA universal inputs of the 12-bit class. The EL3074 has four single parameterizable inputs. Signals either in the range -10/0…+10 V or in the range -20/0/+4…+20 mA can be processed by each channel. Physically, the voltage and current signals should be connected to different terminal points. Each channel should then be set by the controller/TwinCAT to U or I mode via CoE. The voltage and current inputs are single-ended, which means that one connection point of each channel is connected in the terminal to +24 V or GND. All inputs are digitized with a resolution of 12 bits and transmitted electrically isolated to the higher-level automation device. With a technical measuring range of ±107% of the nominal range, the terminal also supports commissioning with sensor values in the limit range and the evaluation according to NAMUR NE43.

Product status:

regular delivery

Product information

Technical dataEL3074
Number of inputs4
Power supplyvia the E-bus
Internal resistance> 200 kΩ | typ. 85 Ω
Input filter limit frequency1 kHz
Common-mode voltage UCMnot applicable (since single-ended)
Dielectric strengthmax. 30 V (voltage and current measurement)
Conversion timemin. 500 µs
Measuring range, nominal-10/0…+10 V | -20/0/+4…+20 mA
Measuring range, technical-10.73…+10.73 V | -21.47…+21.47 mA
Resolution12 bit (incl. sign)
Measurement error/ uncertainty< ±0.3% (relative to full scale value)
Electrical isolationchannel/E-bus: functional separation 707 V DC type test
Current consumption E-bustyp. 150 mA
Bit width in the process imageinputs: 16 byte
Configurationno address or configuration setting
Special featuresU/I parameterizable, ExtendedRange, standard and compact process image, FIR/IIR filter activatable
Operating/storage temperature-25…+60°C/-40…+85°C
Weightapprox. 65 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
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE
Housing dataEL-12-16pin
Design formHD (High Density) housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 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 conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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