Functional Safety 2014

TÜV SÜD Product Service

Objectives

To create E/E/PE safety related systems conforming to the specification for the E/E/PE system

safety requirements (comprising the specification for the E/E/PE system safety functions

requirements and the specification for the E/E/PE system safety integrity requirements).

IEC 61508

Part 1 Clauses

7.11.1; 7.11.2

Part 2 for Hardware

Part 3 for Software

IEC 62061

Included in Clause 6.

Control of systematic

faults is part of this

clause.

SRECS architecture is

described by subsystems

detailing Hardware Fault

Tolerance and Diagnostic

Coverage

ISO 13849

Clause 4.4 gives the

overall requirements.

Clause 6 describes

designated architectures

as categories (B, 1 – 4).

Categories state the

required behaviour of a

SRP/CS in respect of it’s

resistance to faults etc.

Realisation – Hardware design