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Beckhoff KL1904

Render Technology Solutions deal with all kinds of Beckhoff Products


Render Technology Solutions deal with all kinds of Beckhoff Products

Beckhoff KL1904, 4-channel digital input terminal, TwinSAFE, 24 V DC

The KL1904 safety Bus Terminal is a digital input terminal for sensors with potential-free contacts for 24 V DC and has four fail-safe inputs.


Beckhoff KL1904

Beckhoff KL1904 | 4-channel digital input terminal, TwinSAFE, 24 V DC


General Description


Beckhoff KL1904 Bus Terminal Bus Terminal
4-channel digital Input terminal, TwinSAFE, 24V DC, Response time: typ. 4 ms (read input/write to K-bus), Safety standard: DIN EN ISO 13849-1:2008 (Cat 4, PL e) and IEC 61508:2010 (SIL 3)

The KL1904 safety Bus Terminal is a digital input terminal for sensors with potential-free contacts for 24 V DC and has four fail-safe inputs. The KL1904 meets the requirements of DIN EN ISO 13849-1:2008 (Cat 4, PL e) and IEC 61508:2010 (SIL 3).

Technical data KL1904
Connection technology 2-wire
Safety standard DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Number of inputs 4
Protocol TwinSAFE/Safety over EtherCAT
Response time typ. 4 ms (read input/write to K-bus)
Current consumption K-bus 48 mA
Fault response time ≤ watchdog time (parameterisable)
Weight approx. 50 g
Installation position horizontal
Protection class IP 20
Approvals CE, UL, Ex, TÜV SÜD
Current consumption power contacts