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ISO 13849 Performance Level Verification Essentials

A practical workshop for machinery and controls engineers who must prove a Performance Level under ISO 13849. We work through categories, MTTFd, diagnostic coverage and common-cause failure using SISTEMA, on the kind of architectures you actually build.

LevelIntermediate
Length6 modules · ~8 hrs
FormatOn-Demand
CredentialCertificate of completion
What you’ll learn

Outcomes your team can apply on real hardware.

01

Map a safety function to the right Category and architecture

02

Calculate MTTFd, DCavg and evaluate common-cause failure

03

Drive a PL verification end-to-end in SISTEMA

04

Document a defensible PL result for audit

Curriculum

Module outline.

A structured path from fundamentals to audit-ready evidence. Expand any module to see its lessons.

  • Machinery Directive & risk reduction
  • PLr from risk assessment
  • Designated architectures
  • Category B through 4
  • Channel structure
  • Diagnostics & monitoring
  • MTTFd of components
  • Diagnostic coverage
  • Common-cause failure (CCF)
  • Building the safety function
  • Block library & data
  • Reading the PL result
  • Verification plan
  • Evidence & traceability
  • Audit-ready documentation

5 modules · 15 lessons · Certificate of completion

Standards covered

Grounded in the standards that matter.

ISO 13849·IEC 62061·ISO 12100
Your instructor

Taught by a principal safety engineer.

Ben Twombly

Ben Twombly

Founder & CEO · Principal Safety Engineer

Ben Twombly is the founder of Critical Systems Analysis and the principal engineer behind every CSA program. He holds an FS Engineer certification from TÜV Rheinland and the Industrial Functional Safety Professional (IFSP) certification.

Before founding CSA in May 2023, Ben spent six years as a Senior Safety Engineer at TÜV Rheinland, preparing clients for safety assessments across a wide range of safety-critical systems. He earned his degree in robotics from the Colorado School of Mines. At CSA he works with robotics companies, autonomous vehicle manufacturers, industrial machinery firms, battery management system developers, and rail transit organizations across the U.S., Canada, and Europe.

FS Engineer · Certified by TÜV Rheinland IFSP · Industrial Functional Safety Professional B.S. Robotics · Colorado School of Mines
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