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ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

Run LED
Error LED 1
Error LED 2
Power contact
+24 V EX
Power contact
0 V EX
+TC1
+TC2
-TC1
-TC2
Top view 
ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

ELX3312-0090 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i, TwinSAFE SC

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

TwinSAFE SC: Making standard signals usable for safety tasks

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

TwinSAFE SC: Making standard signals usable for safety tasks

The ELX3312 analog input terminals allows the direct connection of thermocouples located in hazardous areas classified zone 0/20 or 1/21. The circuitry of the ELX3312 can operate sensors with 2-wire technology. Linearization is possible over the entire freely selectable temperature range. The error LEDs indicate a broken wire. Compensation for the cold junction is achieved through internal temperature measurement. Millivolt measurement is also possible with ELX3312.

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 dataELX3312-0090
TechnologyTemperature measurement
Sensor typesthermocouples type K, J, L, E, T, N, U, B, R, S, C (default: type K)
Number of inputs2 (differential)
Connection method2-wire
Measuring rangedepending on sensor type, default type K: -200…+1350 °C, voltage measurement: ±30…±100 mV, for further types and details see documentation
Resolution0.1 °C per digit
Measurement error/ uncertainty< ±0.3 % (relative to full scale value)
Internal resistancetyp. ≥ 10 kΩ (differential)
Input filter limit frequencytyp. 1 kHz; depending on sensor length, conversion time, sensor type
Conversion time10…5000 ms (adjustable, default: 270 ms)
Supply voltage electronics24 V DC (via power contacts), ELX9560 power supply
Current consumption power contactstyp. 10 mA
Current consumption E-bustyp. 70 mA
Special featureslimit value monitoring, digital filter and characteristic curve linearization integrated, TwinSAFE SC
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
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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