KL3202 | Bus Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit

KL3202 | Bus Terminal, 2-channel analog input, temperature, RTD (Pt100), 16 bit

The KL3202 analog input terminal allows resistance sensors to be connected directly. The Bus Terminal’s circuitry can operate the sensors using 2-wire or 3-wire connection techniques. 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 setting is: resolution 0.1 °C in the temperature range of Pt100 sensors in 3-wire connection. The run LEDs give an indication of the data exchange with the Bus Coupler. The error LEDs indicate sensor faults (e.g. a broken wire).

Number of inputs 2

Power supply via the K-bus

Technology 2-/3-wire

Sensor types Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer, 10 Ω…1.2/5 kΩ)

Connection method 2- or 3-wire (default: 3-wire)

Measuring range -200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors)

Conversion time ~ 250 ms

Measuring current typ. 0.5 mA

Resolution 0.1 °C per digit

Measurement error/ uncertainty < ±1 °C

Electrical isolation 500 V (K-bus/signal voltage)

Current consumption power contacts – (no power contacts)

Current consumption K-bus typ. 60 mA

Bit width in the process image input: 2 x 16 bit data (2 x 8 bit control/status optional)

Configuration no address setting, configuration via Bus Coupler or controller

Special features open-circuit recognition

Weight approx. 70 g

Operating/storage temperature -25…+60 °C/-40…+85 °C

Relative humidity 95 %, no condensation

Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27

EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4

Protect. rating/installation pos. IP20/variable

Approvals/markings CE, UL, ATEX, IECEx, DNV GL

Pluggable wiring for all KSxxxx Bus Terminals

Ex marking ATEX:

II 3 G Ex ec IIC T4 Gc

IECEx:

Ex ec IIC T4 Gc

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