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Beckhoff Automation Ltd.

4 Schiedel Court, Unit 1-3
Cambridge ON N3C 0H1, Canada

+1 226-765-7700
www.beckhoff.com/en-ca/

EJ3124-0090 | EtherCAT plug-in module, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EJ3124-0090 | EtherCAT plug-in module, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EJ3124-0090 | EtherCAT plug-in module, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EJ3124-0090 | EtherCAT plug-in module, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

EJ3124-0090 | EtherCAT plug-in module, 4-channel analog input, current, 4…20 mA, 16 bit, differential, TwinSAFE SC

The EJ3124-0090 ETherCAT plug-in module 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 dataEJ3124-0090
Number of inputs4 (differential)
Power supplyvia the E-bus
Signal current4…20 mA
Distributed clocksyes
Distributed clock precision<< 1 µs
Internal resistancetyp. 85 Ω + diode voltage
Input filter limit frequency5 kHz
Surge voltage resistance35 V DC
Common-mode voltage UCMmax. 10 V
Conversion time~ 100 µs
Resolution16 bit (incl. sign)
Measurement error/uncertainty< ±0.3% (relative to full scale value)
Electrical isolation500 V (E-bus/field potential)
Special featuresTwinSAFE SC, standard and compact process image, activatable FIR/IIR filters, limit value monitoring
Weightapprox. 30 g
Operating/storage temperature0…+55°C/-25…+85°C
Relative humidity95%, no condensation
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.IP20/see documentation
Approvals/markingsCE
Housing dataEJ-12-16pin
Design formEtherCAT I/O plug-in module
Materialpolycarbonate
Installationon signal distribution board
Mechanical codingEJ plug-in module: signal-specific coding pins on the housing,
signal distribution board: holes in the printed circuit board
Lockinglatching lug in circuit board cut-out
Connection methodfield wiring: application-specific wiring level on the signal distribution board,
EJ plug-in module: 2 x 20-pin socket strip
Dimensions (W x H x D)12 mm x 66 mm x 55 mm

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