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ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

Run LED
Error LED 1
HART LED 1
HART error LED 1
Error LED
Power contact
+24 V EX
Power contact
0 V EX
I1
UV1
Top view 
ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

ELX3181 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 16 bit, single-ended, HART, Ex i

The system-integrated solution for explosion protection: PC-based control

HART field devices integrated simply: with PC-based control from Beckhoff

The system-integrated solution for explosion protection: PC-based control

HART field devices integrated simply: with PC-based control from Beckhoff

The ELX318x analog input terminal allows the direct connection of intrinsically safe HART-capable field devices located in hazardous areas classified zone 0/20 or 1/21. It supplies measuring transducers located in the field and transmits their analog measuring signals electrically isolated to the automation device. Overload and open-circuit detection are signaled by the error LEDs, furthermore LEDs inform about the status of the HART communication and signal any communication errors. The EtherCAT Terminal indicates the signal state by means of light emitting diodes.

 

The HART protocol (Highway Addressable Remote Transducer) enables two-way communication through digital data transfer via the analog 4…20 mA wiring. In this way, in addition to the analog current signal, further data can be exchanged with the field device via the superimposed digital signal.

 

The HART communication can also be used for the FDT/DTM concept. The TwinCAT FDT container enables the integration of field device DTMs into TwinCAT Engineering, so that the device configuration and diagnostic functions are available directly within the development environment.

Product status:

regular delivery

Product information

Technical dataELX3181
Technologycurrent input
Signal current4…20 mA
Number of inputs1 (single-ended)
Connection method2-wire
Resolution16 bit (incl. sign)
Measurement error/ uncertainty< ±0.3 % (relative to full scale value)
Internal resistancetyp. 250 Ω
Input filter limit frequency25 Hz
Conversion timetyp. 1 ms
Supply voltage electronics24 V DC (via power contacts), ELX9560 power supply
Current consumption power contactstyp. 15 mA + load
Current consumption E-bustyp. 85 mA
Distributed clocksyes
Special featuresstandard and compact process image, activatable FIR/IIR filters, limit value monitoring, NE43 NAMUR
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/see documentation
Approvals/markingsCE, UL, ATEX, IECEx, cFMus, CCC
Ex markingATEX:
  II 3(1)G Ex ec [ia Ga] IIC T4 Gc
  II (1)D [Ex ia Da] IIIC
  I (M1) [Ex ia Ma] I
IECEx:
  Ex ec [ia Ga] IIC T4 Gc
  [Ex ia Da] IIIC
  [Ex ia Ma] I
cFMus:
  AIS Class I, II, III, Division 1, Groups A thru G
  Class I, Division 2, Groups A, B, C, D
  Class I, Zone 2, AEx ec [ia Ga] IIC T4 Gc
  [AEx ia Da] IIIC T4
Housing dataELX-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate, blue
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
Power contacts2 blade/spring contacts

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

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