ENBRA · Machine Safety
Performance Level Calculation
PLr determination and achieved PL calculation to EN ISO 13849-1.
EN ISO 13849-1:2015
ENBRA · Servicios
Scroll ↓01 — Alcance
What is included
PLr determination
Risk matrix (S, F, P) aligned with the hazard analysis.
Severity · Frequency · Possibility of avoiding harm
Safety architecture
Design or verification of categories B, 1, 2, 3 and 4.
Block diagrams · Redundancy · Diagnostics
PL calculation
Simplified and detailed methods with MTTFd, DC and CCF.
Quantitative parameters · SILCL if applicable · PLr ≤ PL verification
Optimisation
Technical-economic tuning of the safety system.
Cost vs PL · Certified components · Conformity report
02 — Método
Process
01
PLr
Required level from risk.
02
Design
Architecture and components.
03
Calculation
Achieved PL documented.
04
Verification
Compliance and optimisation.
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