Beckhoff KL2408 | Bus Terminal, 8-channel digital output, 24 V DC, 0.5 A, 1-wire connection
The KL2408 digital output terminal connects the binary control signals from the automation unit on to the actuators at the process level with electrical isolation. It is protected against reverse polarity connection and handles load currents with outputs that are protected against overload and short-circuit. The Bus Terminal contains eight channels which indicate their signal state by means of light emitting diodes. It is particularly suitable for space-saving use in control cabinets. The connection technology is optimized for single-ended inputs. All components have to use the same reference point as the KL2408. The power contacts are looped through. The outputs are supplied by the 24 V power contact.
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| Technical data | KL2408 |
| Connection technology | 1-wire |
| Number of outputs | 8 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| Load type | ohmic, inductive, lamp load |
| Max. output current | 0.5 A (short-circuit proof) per channel |
| Short-circuit current | < 2 A |
| Breaking energy | < 150 mJ/channel |
| Reverse voltage protection | yes |
| Electrical isolation | 500 V (K-bus/field potential) |
| Current consumption power contacts | typ. 60 mA + load |
| Current consumption K-bus | typ. 18 mA |
| Bit width in the process image | 8 outputs |
| Configuration | no address or configuration setting |
| 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 |
| Pluggable wiring | for all KSxxxx Bus Terminals |
| Approvals/markings | CE, UL, ATEX, IECEx, DNV GL, cFMus |
| Ex marking | ATEX: |
| II 3 G Ex ec IIC T4 Gc | |
| IECEx: | |
| Ex ec IIC T4 Gc | |
| cFMus: | |
| Class I, Division 2, Groups A, B, C, D | |
| Class I, Zone 2, AEx ec IIC T4 Gc |
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