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Beckhoff Automation Pty. Ltd.

Building 4, 163–179 Forster Road
Mount Waverley, VIC 3149, Australia

+61 3 9912 5430
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www.beckhoff.com/en-au/

EL3124-0090 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EL3124-0090 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EL3124-0090 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

Run LED
Error LED 1
Run LED
Error LED 3
Run LED
Error LED 2
Run LED
Error LED 4
Power contact
+24 V
Power contact 0 V
+Input 1
-Input 1
+Input 3
-Input 3
+Input 2
-Input 2
+Input 4
-Input 4
Top view 
Contact assembly 
EL3124-0090 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EL3124-0090 | EtherCAT Terminal, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

TwinSAFE SC: Making standard signals usable for safety tasks

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.

TwinSAFE SC: Making standard signals usable for safety tasks

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 EL3124-0090 analog input terminal handles signals in the range from 4 to 20 mA. The current is digitized to a resolution of 16 bits and is transmitted, in an electrically isolated form, to the higher-level automation device. The input channels of the EtherCAT Terminal have differential inputs and possess a common, internal ground potential.

With the aid of the TwinSAFE SC technology (TwinSAFE Single Channel) it is possible to make use of standard signals for safety tasks in any network or fieldbus. To do this, EtherCAT I/Os from the areas of analog input, position measurement or communication (4…20 mA, incremental encoder, IO-Link, etc.) are extended by the TwinSAFE SC function. The properties typical for the signals and the standard functions of the I/O components are retained. TwinSAFE SC I/Os differ optically from standard I/Os by a yellow stripe on the front of the housing.

The TwinSAFE SC technology enables communication via a TwinSAFE protocol. These connections can be distinguished from the usual secure communication via Safety over EtherCAT.

The data from the TwinSAFE SC components is fed via a TwinSAFE protocol to the TwinSAFE Logic, where it can be used in the context of safety-relevant applications. Detailed examples confirmed/calculated by the TÜV SÜD for the correct application of the TwinSAFE SC components and the respective normative classifications can be found in the TwinSAFE application manual.

Product status:

regular delivery

Product information

Technical dataEL3124-0090
Number of inputs4 (differential)
Power supplyvia the E-bus
Technologydifferential input
Signal typedifferential
Signal current4…20 mA
Distributed clocksyes
Internal resistancetyp. 85 Ω + diode voltage
Input filter limit frequency5 kHz
Common-mode voltage UCMmax. 10 V
Conversion time~ 100 µs
Resolution16 bit (incl. sign)
Measurement error/ uncertainty< ±0.3 % (relative to full scale value)
Surge voltage resistance35 V DC
Electrical isolation500 V (E-bus/signal voltage)
Current consumption power contacts
Current consumption E-bustyp. 130 mA
Bit width in the process imageinputs: 16 byte
Configurationno address or configuration setting
Special featuresTwinSAFE SC, standard and compact process image, activatable FIR/IIR filters, limit value monitoring
Weightapprox. 60 g
Operating/storage temperature-25…+60 °C/-40…+85 °C
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, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-12-8pin
Design formcompact terminal 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 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*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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