TwinSAFE enables networks with up to 1,024 TwinSAFE devices. The KL6904 TwinSAFE logic Bus Terminal can establish 15 connections (TwinSAFE connection). Multiple logic terminals are cascadable within a network. The Bus Terminal features certified safety function blocks, which are configured according to the application to be realized. Functions such as emergency stop, safety door monitoring etc. can thus easily be selected and linked. All function blocks can be freely connected among each other and are complemented by operators such as AND, OR, etc. The required functions are configured via the TwinCAT System Manager and loaded into the KL6904 logic terminal via the fieldbus. The TwinSAFE logic terminal has four safe, local outputs, so that safety applications can be realized with only two components (KL1904 and KL6904).
Special features:
- safety applications on the basis of Boolean values
- 4 safe outputs
- up to 15 safe connections
- up to 48 function blocks
- up to 8 TwinSAFE groups
Product status:
regular delivery
Product information
Technical data | KL6904 |
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Connection technology | 2-wire |
Specification | link unit between safe input and output signals |
Number of outputs | 4 |
Max. output current | 0.5 A/20 mA min. (per channel) |
Protocol | TwinSAFE/Safety over EtherCAT |
Cycle time | 4…100 ms |
Fault response time | ≤ watchdog time (parameterizable) |
Current consumption power contacts | load-dependent |
Current consumption K-bus | max. 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 |
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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
Ordering information | |
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KL6904 | Bus Terminal, communication interface + 4-port digital output, 24 V DC, 0.5 A, TwinSAFE Logic |
KL6904-0001 | Bus Terminal, communication interface + 4-port digital output, 24 V DC, 0.5 A, TwinSAFE Logic, pre-configured ex factory to 15 TwinSAFE connections |
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