Product News

ITEM ToolKit Version 8
- Now ISO 26262 Compliant

ITEM Software is Pleased to Announce the Release of its Latest Version of ITEM ToolKit

Together with an improved interface and many other enhancements, version 8 now includes a FMECA module which fully conforms to the ISO 26262 and IEC 61508 standards. This enables a full top-down modelling from Hazard Analysis to FMECA in compliance with these standards.

New ISO 26262 and IEC 61508 Features

Two calculation modes are implemented within these standards: ‘Basic Mode' and ‘Advanced Mode – Split and Hit'.

Basic Mode

  • Fully automatic calculation of ISO-Metrics with newly developed top-down algorithm.
  • No tedious bottom-up categorisation of each individual fault.
  • Software logic of functional network checks all faults for ISO 26262 specifics and categorizes these automatically.
  • No custom input required.

Advanced Mode

  • Customization of ISO-Engine
  • Two custom selectable ISO 26262 analysis engines available:
    • Basic Engine with standard FMEA Quantification.
    • Advanced Engine – taking onto account multiple, different end effect severities per failure mode and applying a proportional failure rate algorithm.
  • Optional IEC 61508 engine and MIL-STD-1629 analysis at a mouse click.
  • Calculating failure rate metrics at the failure mode and hardware level automatically.
  • New synoptic to visualize detectability and diagnostic test entries.
  • Enhanced GUI for diagnostic test data entry.
  • New components to model safety goals, safety requirements and safety functions within FMECA module for requirements traceability.

Enhanced Grid View

ISO 26262 hazard analysis has an enhanced, fully customizable grid view (database view) to cover allocation of Severity, Exposure, Controllability and ASIL via combo-fields.

Transferring and Linking FMECA to Fault Tree

ITEM ToolKit now contains an automatic interface to transfer and link from FMECA to Fault Tree, with options of ISO 26262 and IEC 6150 compatible transfer:

  • FTA modelling with all failure rate categories as calculated in FMECA.
  • Automatic truncation mechanism in accordance with ISO 26262 failure rate caegoies:
    • Automatically creating failure rate category ‘Super Events'.
    • Automatically creating modular FTA sub-tree to limit FTA size.
    • Automatically producing ISO 26262 FTA conformity results per failure metrics.
  • Automatic transfer from database fields between modules (FMECA to FTA) for traceability (i.e. automatic FTA Gate Severity / ASIL identification by traceability to corresponding FMECA Failure Mode).
  • New ISO 26262 / IEC 61508 conformity CCF model (Beta-Plus).

To download a free demonstration of our FMECA software click here.


 

Screen shots | click to enlarge

IEC 61508 FMECA Screen Shot
Tree view

IEC 61508 FMECA Screen Shot
Chart view

IEC 61508 FMECA Screen Shot
Dialog view

 

Features

Powerful and user friendly Failure Mode, Effects and Criticality Analysis software

Supports standards:
MIL-STD-1629a
IEC-61508 FMEDA
ISO 9000/QS 9000
ISO 26262
BS 5760 Part 5

Phrase, failure mode and apportionment library facilities

Graphically constructed system hierarchy diagrams

Optimization of design to meet acceptable failure modes and severity

Automatic criticality calculations

Assignment of IEC 'dangerous' versus 'safe' at the functional end effects level

Evalutaion of multiple severity assignment by a 'split by hit' algorithm

Hardware oriented component level Detectability Coverage and Safe Failure Fraction

Automatic calculation of lambda-Su, lambda-SD, lambda-DU and lambda-DD, per each root mode