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

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

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

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 | EtherCAT Terminal, 2-channel analog input, temperature, thermocouple, 16 bit, Ex i

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

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

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

The ELX3312 analog input terminals allow 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. Voltage measurement in the mV range is also possible with the ELX3312.

 

EtherCAT terminals of the ELX series must always be operated in conjunction with the ELX9560 power supply terminal. This terminal generates an electrically isolated output voltage (24 V EX) from the input voltage (24 V DC) for supplying the subsequent ELX terminals. If a new power supply is required, the combination of an ELX9410 and an ELX9560 can be used so that further ELX terminals can be added. The ELX terminal string must be terminated with one ELX9012 or two ELX9410.

Product status:

regular delivery

Product information

Technical dataELX3312
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, type K -270…+1370°C, voltage measurement: ±30…±75 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
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*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Power contacts2 blade/spring contacts

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

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