Failure Modes, Effects, and Diagnostic Analysis of a Safety Device
Mabook, Elias (2017)
Metropolia Ammattikorkeakoulu
2017
All rights reserved
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:amk-201705117581
https://urn.fi/URN:NBN:fi:amk-201705117581
Tiivistelmä
The purpose of this work was to perform FMEDA for the safety module developed in the PESTO project for ABB Oy Low Voltage Drives.
The safety module acts as an adapter between a PLC and the drive while supporting PROFINET functions, as well as PROFIsafe over PROFINET. The safety module has one safety function: STO.
The device was designed and developed to be able to perform up to SIL3 level according to IEC 61508:2010 and performance level PL E according to ISO 13849:2015.Throughout this work, the safety device’s electronic circuitry will be analysed in order to ensure that it meets the design requirements from failure probability perspective.
The safety device will be a common option for the drive families that support F-series field-bus adapter and has a built-in STO circuit (ACS880, ACS580 and ACS380). It is anticipated that the device will be released to public during Autumn 2017.
Following this thesis, fault insertion testing will be carried out to validate the results achieved in the FMEDA. In addition, a thorough report summarizing the FMEDA results will be written and submitted to a certified body for safety integrity level and performance level certification as a part of the design documentation.
The safety module acts as an adapter between a PLC and the drive while supporting PROFINET functions, as well as PROFIsafe over PROFINET. The safety module has one safety function: STO.
The device was designed and developed to be able to perform up to SIL3 level according to IEC 61508:2010 and performance level PL E according to ISO 13849:2015.Throughout this work, the safety device’s electronic circuitry will be analysed in order to ensure that it meets the design requirements from failure probability perspective.
The safety device will be a common option for the drive families that support F-series field-bus adapter and has a built-in STO circuit (ACS880, ACS580 and ACS380). It is anticipated that the device will be released to public during Autumn 2017.
Following this thesis, fault insertion testing will be carried out to validate the results achieved in the FMEDA. In addition, a thorough report summarizing the FMEDA results will be written and submitted to a certified body for safety integrity level and performance level certification as a part of the design documentation.