Description
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.
| Technical data | KL3314 |
|---|---|
| Number of inputs | 4 |
| Power supply | via the K-bus |
| Technology | 2-wire |
| >td >types J, K, L, B, E, N, R, S, T, U (default setting type K), mV measurement | |
| Connection method | 2-wire |
| Measuring range | in the range defined in each case for the sensor (default setting: type K; -100…+1370 °C); mV measurement: ±30 mV…±120 mV |
| Conversion time | ~ 250 ms |
| Wiring fail indication | yes |
| Resolution | 0.1 °C per digit |
| Measuring error | < ±0.5 % (relative to full scale value) |
| Electrical isolation | 500 V (K-bus/signal voltage) |
| Current consumption power contacts | – (no power contacts) |
| Current consumption K-bus | typ. 75 mA |
| Bit width in the process image | input: 4 x 16 bit data (4 x 8 bit control/status optional) |
| Configuration | no address setting, configuration via Bus Coupler or controller |
| Weight | approx. 75 g |
| Operating/storage temperature | 0…+55 °C/-25…+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, DNV GL |
| Ex marking | II 3 G Ex nA IIC T4 Gc |
| Housing data | KL-12-8pin | KS-12-8pin |
|---|---|---|
| Design form | compact terminal housing with signal LEDs | terminal housing with pluggable wiring level |
| 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 | labeling of the BZxxx series | |
| Wiring | solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver | |
| Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² | s*: 0.08…1.5 mm², st*: 0.08…1.5 mm², f*: 0.14…1.5 mm² |
| Connection cross-section AWG | s*: AWG 28…14, st*: AWG 28…14, f*: AWG 26…16 | s*: AWG 28…16, st*: AWG 28…16, f*: AWG 26…16 |
| Stripping length | 8…9 mm | 9…10 mm |
| Current load power contacts | Imax: 10 A | |
*s: solid wire; st: stranded wire; f: with ferrule
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