Residual Risk and the Risk Graph (ISO 12100)

Date
2026-12-14
Location
Online
Host
Zach L

About this event

A live 30-minute expert session on Residual Risk and the Risk Graph (ISO 12100), part of the ISO 12100 Machinery Risk Assessment track from Critical Systems Analysis. Recurs monthly. Related topics: residual risk and the risk graph · residual · risk · graph · machinery risk assessment · EN ISO 12100 · hazard identification · risk estimation · risk evaluation · risk reduction · three-step method · residual risk · machinery safety · CE marking · machinery directive · safeguarding. Browse the whole track: ISO 12100 Machinery Risk Assessment](https://luma.com/critical-systems-analysis?tag=iso-12100-machinery-risk-assessment)) All ISO 12100 Machinery Risk Assessment sessions (13 more): How to Perform a Machinery Risk Assessment (ISO 12100)](https://luma.com/critical-systems-analysis?tag=how-to-perform-a-machinery-risk-assessment-iso-12100)) · ISO 12100 and ISO 13849: How They Work Together](https://luma.com/critical-systems-analysis?tag=iso-12100-and-iso-13849-how-they-work-together)) · ISO 12100 for Machine Builders: A Practical Workflow](https://luma.com/critical-systems-analysis?tag=iso-12100-for-machine-builders-a-practical-workflow)) · Risk Estimation and Risk Evaluation (ISO 12100)](https://luma.com/critical-systems-analysis?tag=risk-estimation-and-risk-evaluation-iso-12100)) · Documenting Machinery Risk Assessment for CE Marking](https://luma.com/critical-systems-analysis?tag=documenting-machinery-risk-assessment-for-ce-marking)) · Hazard Identification under ISO 12100](https://luma.com/critical-systems-analysis?tag=hazard-identification-under-iso-12100)) · Building an ISO 12100 Risk Assessment Checklist](https://luma.com/critical-systems-analysis?tag=building-an-iso-12100-risk-assessment-checklist)) · ISO 12100 Risk Assessment: A Worked Example](https://luma.com/critical-systems-analysis?tag=iso-12100-risk-assessment-a-worked-example)) · From Hazard to Safety Requirement with ISO 12100](https://luma.com/critical-systems-analysis?tag=from-hazard-to-safety-requirement-with-iso-12100)) · ISO 12100: Machinery Risk Assessment, Step by Step](https://luma.com/critical-systems-analysis?tag=iso-12100-machinery-risk-assessment-step-by-step)) · EN ISO 12100 Explained: Scope and Structure](https://luma.com/critical-systems-analysis?tag=en-iso-12100-explained-scope-and-structure)) · Risk Reduction: The Three-Step Method (ISO 12100)](https://luma.com/critical-systems-analysis?tag=risk-reduction-the-three-step-method-iso-12100)) · Common Mistakes in ISO 12100 Risk Assessments](https://luma.com/critical-systems-analysis?tag=common-mistakes-in-iso-12100-risk-assessments))

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About Functional Safety Foundations

This online session delivers expert-led instruction on the regulatory landscape and implementation approach for Functional Safety Foundations.

The cross-sector fundamentals underlying every functional safety standard: risk as severity × likelihood, the safety function concept, integrity levels, the safety lifecycle, and the split between random and systematic failures.

What it regulates

Shared vocabulary and reasoning: hazard → risk → risk reduction allocation → safety requirement → verified implementation → maintained integrity in operation.

Who must comply

Everyone entering the field — the conceptual base of the entire catalog.

Key requirements of Functional Safety Foundations

  • Hazard and risk fundamentals
  • Safety function anatomy: sensor-logic-actuator with defined safe state
  • Integrity ladders (SIL/PL/ASIL/DAL) as risk-reduction currencies
  • Random vs systematic failure treatment
  • Lifecycle and management of functional safety incl. competence

Key concepts: Functional Safety Foundations

Risk reduction allocation
Distributing required risk reduction among mechanical design, safeguards, control functions and procedures.
Functional safety management
Planning, competence, documentation and assessment wrapped around technical work.
Random vs systematic
Hardware wear-out/chance failures quantified statistically versus design/process errors controlled by rigor.
Safe state
The defined condition a function drives the equipment to on demand or fault.

Frequently asked questions: Functional Safety Foundations

Why can't testing alone prove safety?

Rare-event targets (like 1e-7/h) are unverifiable by test duration, and systematic errors evade random testing — hence the standards' dual machinery of quantified hardware analysis plus process rigor and independent assessment.

Standard information based on the published text of Functional Safety Foundations. Event content is provided by the host. For authoritative guidance, consult the official standard body.