Applications of the F-I/O module
5.3 Examples of application modes for the F-DI 4/F-DQ 2 Fail-Safe module
Digital I/O module F-DI 4+F-DQ 2x24VDC/2A, 4xM12 (6ES7146-5FF00-0BA0)
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Equipment Manual, V1.0, 05/2021, A5E51082342-AA
Use inverted Y cable (6ES7194-6KC00-0XA0) for a safety position switch with interlock. The
inverted Y cable is designed to properly connect the fail-safe module F-inputs and F-output to
the safety position switch.
Note
This configuration achieves SIL 3/Cat. 4/PL e if neither output channel is configured to disable
the dark test.
Note
To incorporate this application into a SIL 3-rated application, ensure the sensors are
appropriately qualified devices: either SIL 3 or SIL 2 with the Systematic Capability rules
defined in the SIRIUS documentation. For further information, refer to the
Industrial Controls,
Detecting devices SIRIUS 3SE5/3SF1/3SE66/3SE67 position switches configuration manual
on
the Internet (
https://support.industry.siemens.com/cs/us/en/view/43920150
).
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