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BECKHOFF BECKHOFF KL3204

BECKHOFF KL3204

BECKHOFF

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Article No. KL3204

KL3204 | Bus Terminal, 4-channel analog input, temperature, RTD (Pt100), 16 bit

The KL3204 analog input terminal allows resistance sensors to be connected directly. The Bus Terminal’s circuitry can operate the sensors using 2-wire connection techniques. Linearisation over the full temperature range is realised with the aid of a microprocessor. The temperature range can be selected freely. The Bus Terminals standard settings are: resolution 0.1 °C in the temperature range of Pt100 sensors. The error LEDs indicate sensor faults (e.g. a broken wire). The KL3204 version combines four channels in one housing.

Technical dataKL3204, KS3204
Number of inputs4
Power supplyvia the K-bus
Technology2-wire
Sensor typesPt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000 resistance measurement (e.g. potentiometer, 10 Ω…1.2/5 kΩ)
Connection method2-wire
Measuring range-200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors)
Resolution0.1 °C per digit
Conversion time~ 250 ms
Measuring currenttyp. 0.5 mA
Measuring error< ±1 °C
Electrical isolation500 V (K-bus/signal voltage)
Current consumption power contacts– (no power contacts)
Current consumption K-bustyp. 60 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
Special featuresopen-circuit recognition
Weightapprox. 70 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. class/installation pos.IP 20/variable
Pluggable wiringfor all KSxxxx Bus Terminals
Approvals/markingsCE, UL, ATEX, DNV GL
Ex markingII 3 G Ex nA IIC T4 Gc

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