Examples: Scope
TÜV SÜD Rail GmbH
Slide 18
FUNCTIONAL SAFETY 2014 London
5th Nov. 2014
HW
Application code SW
execution layer
Application code SW
transport & storage
FS-PLC
Application
FS-PLC
SW
Code
generator
Engineering tools
NOTE 1 Gray blocks are FS-PLC related areas and must be addressed, The white block is not a safety
related part of FS-PLC, i.e. interference free. The cross-hatched block indicates possibility of this item
being considered safety-related based on criticality analysis and thus needs to be addressed.
NOTE 2 The examples in white and cross-hatched blocks are for illustrative purposes only and may or
may not be determined to be safety related in the application.
e.g. Operating System, diagnostic, text
editor, function block editors, monitor,
libraries, etc.
e.g. HMI,
parameterization,
access control,
etc.
FW operating & FS-
PLC engine
execution layer
What is part of the S-PLC system?