KL3112 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 16 bit, differential
KL3112 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 16 bit, differential
The KL3112 analog input terminal handles signals in the range from 0 to 20 mA. The current is digitized to a resolution of 16 bits (the default is 15 bits), and is transmitted, in an electrically isolated form, to the higher-level automation device. The input channels of the Bus Terminal have differential inputs and possess a common, internal ground potential. The KL3112 combines two channels in a housing. An open lead or overload condition are detected, and the terminal status is relayed to the controller via the K-bus. The run LEDs give an indication of the data exchange with the Bus Coupler. The error LEDs indicate an overload condition.
Product status:
regular delivery
Product information
| Technical data | KL3112 |
|---|---|
| Number of inputs | 2 |
| Power supply | via the K-bus |
| Signal current | 0…20 mA |
| Technology | differential input |
| Internal resistance | typ. 50 Ω shunt, load: 60 Ω + diode voltage |
| Common-mode voltage UCM | max. 35 V |
| Conversion time | 140 ms, configurable to 2 ms |
| Filter | 50 Hz, configurable |
| Resolution | 15 bit, configurable to 16 bit |
| Measurement error/uncertainty | < ±0.3% (relative to full scale value) |
| Surge voltage resistance | 35 V DC |
| 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 or configuration setting |
| Weight | approx. 70 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, IECEx |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec 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 (s), flexible conductor (st) and ferrule (f): 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*: AWG28…14, st*: AWG28…14, f*: AWG26…16 | s*: AWG28…16, st*: AWG28…16, f*: AWG26…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
| Ordering information | |
|---|---|
| KL3112 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 16 bit, differential |
| KS3112 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 16 bit, differential, pluggable wiring |
| KL3112-0050 | Bus Terminal, 2-channel analog input, current, 0…20 mA, 16 bit, differential, Siemens S7 format |
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