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KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit

KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit

KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit

Signal LEDs
1…8
Error LEDs
9...16
Power contact
+24 V
Power contact 0 V
+R1
+R2
+R3
+R4
+R5
+R6
+R7
+R8
-R1
-R2
-R3
-R4
-R5
-R6
-R7
-R8
Top view 
Contact assembly 
KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit

KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit

The KL3208-0010 analog input terminal enables connection of eight resistance sensors. The Bus Terminal’s circuitry can handle sensors using the 2-wire technique. Linearization over the full temperature range is realized with the aid of a microprocessor. The temperature range can be selected freely. The Bus Terminal’s standard settings are: resolution 0.01°C within the temperature range of Pt/Ni1000 sensors. The error LEDs indicate sensor faults (e.g. a broken wire).

The HD Bus Terminals (High Density) with increased packing density feature 16 connection points in the housing of a 12 mm terminal block.

Product status:

regular delivery

Product information

Technical dataKL3208-0010
Number of inputs8
Power supplyvia the K-bus
Technology2-wire
Sensor typesPt1000 (default), Ni1000, resistor/potentiometer 6/65/655 kΩ, NTC 1.8 k/2.2 k/3 k/5 k/10 k/20 k/100 k
Measuring range-50…+150°C (depending on sensor type)
Connection method2-wire
Conversion time~ 1 s
Measuring currenttyp. < 0.5 mA
Resolution0.01°C per digit
Measurement error/ uncertainty-20…+60°C: ±0.25°C at 25°C ambient temperature; -50…+150°C: ±1.5°C (for Pt/Ni sensors)
Electrical isolation500 V (K-bus/signal voltage)
Current consumption power contacts
Current consumption K-bustyp. 85 mA
Bit width in the process imageinput: 8 x 16 bit data (8 x 8 bit control/status optional)
Configurationno address setting, configuration via Bus Coupler or controller
Special featuresopen-circuit recognition, cable resistance calibration, particularly suitable for building automation
Weightapprox. 75 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/variable
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataHD housing
Design formHD (High Density) 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
Marking
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Stripping length8…9 mm

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

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