Functional Safety Certification for Tank and Vessel Inspection Robots: IEC 61511 Explained

Date
2027-02-26
Location
Online
Host
Zach L

About this event

A Lunch-and-Learn for Test Engineers pursuing functional safety certification. A live 30-minute lunch-and-learn on IEC 61511 (Process Industry Functional Safety) for tank and vessel inspection robots, built for test engineers pursuing functional safety certification. What We'll Cover: What IEC 61511 (Process Industry Functional Safety) requires and how its scope applies to tank and vessel inspection robots Mapping IEC 61511 clauses to the certification evidence assessors expect System-specific hazards and safety functions typical of tank and vessel inspection robots Common findings that delay certification, and how to avoid them A practical readiness roadmap for test engineers preparing for assessment Related topics: IEC 61511 · Tank and Vessel Inspection Robots · functional safety certifi

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About IEC 61511 (Process Industry Functional Safety)

This event covers the compliance, engineering, and verification requirements defined by IEC 61511.

IEC 61511 applies IEC 61508 to the process sector: safety instrumented systems (SIS) for chemical, oil and gas, and energy plants — from process hazard analysis and SIL target selection through SIS engineering, operation, proof testing and management of change.

What it regulates

SIS lifecycle for end users and integrators: SRS content, use of proven-in-use devices, SIL verification, bypass/override management, proof-test regimes, and functional safety management incl. competence.

Who must comply

Plant owner/operators, EPCs and SIS integrators; the operational counterpart to component-focused 61508.

Key requirements of IEC 61511

  • Hazard and risk assessment interface (HAZOP/LOPA to SIL targets)
  • SRS and conceptual/detailed SIS design
  • Device selection: certified vs prior-use justification
  • Installation, commissioning, validation, operation and maintenance incl. proof tests
  • MOC and periodic FSA (functional safety assessment)

Key concepts: IEC 61511

Prior use
End-user field-history route to device justification distinctive of 61511.
SIF/SIS
Safety instrumented function (sensor-logic-final element) and the system hosting them.
FSA stages
Independent assessments gating lifecycle phases.
Proof test coverage
The fraction of dangerous undetected failures a periodic test reveals — central to achieving low-demand SIL in operation.

Frequently asked questions: IEC 61511

61508 or 61511 — which do I follow?

Product developers building devices follow 61508; process end users and integrators applying devices in SIS follow 61511 (which references 61508 for device pedigree). A plant's obligations — SRS, validation, proof testing, MOC — live in 61511.

Standard information based on the published text of IEC 61511 (Process Industry Functional Safety). Event content is provided by the host. For authoritative guidance, consult the official standard body.