Image similar, may contain optional accessories
KL2904 | Bus Terminal, 4-channel digital output, 24 V DC, 0.5 A, TwinSAFE
Output 1, 2
Output 3, 4
Diagnostic 1, 2
Diagnostic 3, 4
Power contact
+24 V
+24 V
Power contact 0 V
Output 1, 2
Output 3, 4
Top view
Contact assembly
KL2904 | Bus Terminal, 4-channel digital output, 24 V DC, 0.5 A, TwinSAFE
The KL2904 safety Bus Terminal is a digital output terminal with four channels. It switches 24 V DC actuators with up to 0.5 A current per channel. If the Bus Terminal detects a fault, it switches off automatically (fail stop).
Product status:
regular delivery
Product information
| Technical data | KL2904 |
|---|---|
| Connection technology | 2-wire |
| Number of outputs | 4 |
| Protocol | TwinSAFE/Safety over EtherCAT |
| Fault response time | ≤ watchdog time (parameterizable) |
| Current consumption power contacts | load-dependent |
| Current consumption K-bus | 250 mA |
| Installation position | horizontal |
| Safety standard | DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3) |
| Weight | approx. 100 g |
| Protection rating | IP20 |
| Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
| Housing data | KL-24-2x8pin |
|---|---|
| Design form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Dimensions (W x H x D) | 24 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 |
| Connection cross-section AWG | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping length | 8…9 mm |
| Current load power contacts | Imax: 10 A |
*s: solid wire; st: stranded wire; f: with ferrule
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