Description
The KL1488 digital input terminal acquires the binary 24 V DC control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The bus terminal contains eight channels, whose signal states are indicated by light emitting diodes. The KL1488 has the 24 V DC power contact as the reference point for all inputs. The power contacts are connected through.
Special features:
- ground switching
- no bouncing due to mechanical switches thanks to 3 ms input filter
- direct connection of multi-channel sensors in 1-wire connection technology in the smallest space
| Technical data | KL1488 |
|---|---|
| Connection technology | 1-wire |
| Specification | ground switching |
| Number of inputs | 8 |
| Nominal voltage | 24 V DC (-15 %/+20 %) |
| “0” signal voltage | 18…30 V |
| “1” signal voltage | 0…7 V |
| Input filter | typ. 3.0 ms |
| Input current | typ. 3 mA |
| Current consumption K-bus | typ. 5 mA |
| Current consumption power contacts | typ. 2 mA + load |
| Electrical isolation | 500 V (K-bus/field potential) |
| Bit width in the process image | 8 inputs |
| Configuration | no address or configuration setting |
| Weight | approx. 55 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 |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Approvals/markings | CE, UL, ATEX, IECEx |
| Ex marking | ATEX: II 3 G Ex nA 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 (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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