KL3208-0010 | Bus Terminal, 8-channel analog input, temperature, RTD (Pt1000, NTC), 16 bit
1…8
9...16
+24 V
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 data | KL3208-0010 |
|---|---|
| Number of inputs | 8 |
| Power supply | via the K-bus |
| Technology | 2-wire |
| Sensor types | Pt1000 (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 method | 2-wire |
| Conversion time | ~ 1 s |
| Measuring current | typ. < 0.5 mA |
| Resolution | 0.01°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 isolation | 500 V (K-bus/signal voltage) |
| Current consumption power contacts | – |
| Current consumption K-bus | typ. 85 mA |
| Bit width in the process image | input: 8 x 16 bit data (8 x 8 bit control/status optional) |
| Configuration | no address setting, configuration via Bus Coupler or controller |
| Special features | open-circuit recognition, cable resistance calibration, particularly suitable for building automation |
| Weight | approx. 75 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 |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Housing data | HD housing |
|---|---|
| Design form | HD (High Density) housing with signal LEDs |
| Material | polycarbonate |
| Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side by side mounting by means of | double slot and key connection |
| Marking | – |
| Wiring | solid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver |
| Connection cross-section | s*: 0.08…1.5 mm², st*: 0.25…1.5 mm², f*: 0.14…0.75 mm² |
| Stripping length | 8…9 mm |
*s: solid wire; st: stranded wire; f: with ferrule
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