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KL3314 | Bus Terminal, 4-channel analog input, temperature, thermocouple, 16 bit

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KL3314 | Bus Terminal, 4-channel analog input, temperature, thermocouple, 16 bit

KL3314 | Bus Terminal, 4-channel analog input, temperature, thermocouple, 16 bit

Error LED 1
Error LED 3
Error LED 2
Error LED 4
+TC1
-TC1
+TC3
-TC3
+TC2
-TC2
+TC4
-TC4
Top view 
Contact assembly 
Observe for earthed
thermocoupler:
differential inputs
max. ± 2 V to ground
KL3314 | Bus Terminal, 4-channel analog input, temperature, thermocouple, 16 bit

KL3314 | Bus Terminal, 4-channel analog input, temperature, thermocouple, 16 bit

The KL3314 analog input terminal allows four thermocouples to be connected directly. The Bus Terminal’s circuitry can operate thermocouple sensors using the 2-wire technique. Linearization over the full temperature range, which can be selected freely, is realized with the aid of a microprocessor. The error LEDs indicate a broken wire. Compensation for the cold junction is made through an internal temperature measurement at the terminals. The KL3314 can also be used for mV measurement.

Product status:

regular delivery

Product information

Technical dataKL3314
Number of inputs4
Power supplyvia the K-bus
Technology2-wire
Thermocouple sensor typestypes J, K, L, B, E, N, R, S, T, U (default setting type K), mV measurement
Measuring rangein the range defined in each case for the sensor (default setting: type K; -100…+1370°C);
mV measurement: ±30 mV…±120 mV
Connection method2-wire
Conversion time~ 250 ms
Wiring fail indicationyes
Resolution0.1°C per digit
Measurement error/uncertainty< ±0.5% (relative to full scale value)
Electrical isolation500 V (K-bus/signal voltage)
Current consumption power contacts– (no power contacts)
Current consumption K-bustyp. 75 mA
Bit width in the process imageinput: 4 x 16 bit data (4 x 8 bit control/status optional)
Configurationno address setting, configuration via Bus Coupler or controller
Weightapprox. 75 g
Operating/storage temperature0…+55°C/-25…+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, DNV GL
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataKL-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*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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