Functional Safety 2014

Examples: Scope

TÜV SÜD Rail GmbH

Slide 18

FUNCTIONAL SAFETY 2014 London

5th Nov. 2014

Application code SW

execution layer

Application code SW

transport & storage

FS-PLC

Application

FS-PLC

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?