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Beckhoff Automation (Pty) Ltd

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2169, South Africa

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www.beckhoff.com/en-za/

EL3174 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 16 bitPreferred type

Image similar, may contain optional accessories
EL3174 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 16 bit

EL3174 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 16 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
Ch1 U-
Ch2 U-
Ch3 U-
Ch4 U-
Ch1 I-
Ch2 I-
Ch3 I-
Ch4 I-
Top view 
Contact assembly 
EL3174 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 16 bit

EL3174 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10 V, ±20 mA, 16 bit

Distributed Clocks: the integrated time management system in EtherCAT

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

Distributed Clocks: the integrated time management system in EtherCAT

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The EL3174 analog input terminal has four individually parameterizable inputs. Signals in the range from -10/0 to +10 V or -20/0/+4 to +20 mA can be processed via 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 inputs operate differentially; the current inputs are single-ended. All inputs are digitized with a resolution of 16 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 diagnostics according to NAMUR NE43.

Product status:

regular delivery

Product information

Technical dataEL3174
Number of inputs4
Ground reference (input)voltage: differential, current: single-ended
Power supplyvia the E-bus
Oversampling factor
Distributed clocksyes
Distributed clock precision<< 1 µs
Internal resistance> 200 kΩ | typ. 85 Ω
Input filter limit frequency5 kHz
Common-mode voltage UCMmax. 35 V (voltage measurement)
Dielectric strengthmax. 30 V (current measurement)
Conversion timeminimum 150 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
Resolution16 bit (incl. sign)
Measurement error/uncertainty< ±0.3% (relative to full scale value)
Electrical isolation500 V (E-bus/signal voltage)
Current consumption power contactsload-dependent
Current consumption E-bustyp. 180 mA
Bit width in the process imageinputs: 16 byte
Configurationno address or configuration setting
Special featuresU/I parameterizable, ExtendedRange, standard and compact process image, activatable FIR/IIR filters
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
Approvals/markingsCE, UL, ATEX, IECEx, cFMus
Protect. rating/installation pos.IP20/variable
Ex markingATEX:
  II 3G Ex ec IIC T4 Gc
IECEx:
  Ex ec IIC T4 Gc
cFMus:
  Class I, Division 2, Groups A, B, C, D
  Class I, Zone 2, AEx ec IIC T4 Gc
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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