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© ABB
| Slide 24
Safety System Engineering
SIL Compliant Application Environment
§
Engineering tool automatically limits
user configuration choices to ensure
integrity
§
Safety functions protect and control
download to the process and runtime
environment
§
Download is prevented unless all
SIL requirements are met
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Embedded firewall mechanisms
include:
§
CRC protection on different levels
§
Double code generation with
comparison
§
Compiler with revalidation
Nov 04, 2014