Product description
EL6910 11Version: 1.4.1
3.2 Intended use
WARNING
Caution - Risk of injury!
TwinSAFE components may only be used for the purposes described below!
The TwinSAFE terminals expand the application range of Beckhoff Bus Terminal system with functions that
enable them to be used for machine safety applications. The TwinSAFE terminals are designed for machine
safety functions and directly associated industrial automation tasks. They are therefore only approved for
applications with a defined fail-safe state. This safe state is the wattless state. Fail-safety according to the
relevant standards is required.
The EL6910 TwinSAFE logic terminal is suitable for operation at the
• Beckhoff EKxxxx series Bus Couplers
• Beckhoff CXxxxx series Embedded PCs with E-bus connection
WARNING
System limits
The TÜV SÜD certificate applies to the EL6910, the function blocks available in it, the doc-
umentation and the engineering tool. Approved engineering tools are TwinCAT 3.1, Twin-
SAFE Loader and CODESYS Safety for EtherCAT Safety Module. Any deviations from the
procedures or tools, particularly externally generated xml files for TwinSAFE import or ex-
ternally generated automatic project creation procedures, are not covered by the certificate.
WARNING
Power supply from SELV/PELV power supply unit!
The TwinSAFE components must be supplied with 24V
DC
by an SELV/PELV power supply
unit with an output voltage limit U
max
of 36V
DC
. Failure to observe this can result in a loss of
safety.
CAUTION
Follow the machinery directive!
The TwinSAFE components may only be used in machines as defined in the machinery di-
rective.
CAUTION
Ensure traceability!
The buyer has to ensure the traceability of the device via the serial number.
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