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Beckhoff EL1918 User Manual

Beckhoff EL1918
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System description
EL1918 and EL1918-220020 Version: 2.0.0
TwinSAFE logic component, e.g. EL6910
Processing of the safety-related application and communication with the TwinSAFE terminals
No safety requirements for higher-level control system
TwinSAFE enables a network with up to 65,535 TwinSAFE components.
TwinSAFE logic component can establish up to 512 connections (TwinSAFE connections).
Several TwinSAFE logic components can be operated in a network
Suitable for applications up to SIL 3 according to IEC 61508:2010 and category 4 / PL e according to
ENISO13849-1:2015.
TwinSAFE I/O components
The TwinSAFE I/O components are available in the formats Bus Terminal, EtherCAT Terminal,
EtherCAT plug-in module, EtherCAT Box and TwinSAFE Drive option card
All common safety sensors and actuators can be connected
Operation with a TwinSAFE logic component
Typically meet the requirements of IEC 61508:2010 up to SIL 3 and ENISO13849-1:2015 up to
Category 4, PLe. More detailed information can be found in the respective user documentation
3.2.3 The fail-safe principle (Fail Stop)
The basic rule for a safety system such as TwinSAFE is that failure of a part, a system component or the
overall system must never lead to a dangerous condition.
CAUTION
Safe state!
The safe state of the TwinSAFE system is always the switched-off and de-energized state.

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Beckhoff EL1918 Specifications

General IconGeneral
BrandBeckhoff
ModelEL1918
CategoryTouch terminals
LanguageEnglish

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