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© ABB Group
November 3, 2016 | Slide 15
Reminder – Audit or Assessment?
Audit
Compliance with
procedures
Integral to QMS/ISO
9001
Auditors are not
required to make
specific judgement of
the achievement of
functional safety and
integrity
Assessment
Judgement by assessors, evaluation
whether provisions are adequate for the
achievement of functional safety
Relies on assessor judgements and
competency
Assesses audit processes and findings
Can drill down to technicalities
Reserve right to redo activities
Prescriptive independence
As per Ed2 IEC 61508-1 clause 8
As per Ed2 IEC 61511-1 clause 5.2.6