New Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 3) which is identical with ISO/TR 22201-3 : 2016 ‘Lifts (elevators), escalators and moving walks - Programmable electronic systems in safety related applications - Part 3: Life cycle guideline for programmable electronic systems related to PESSRAL and PESSRAE’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Lifts, Escalators and Moving Walks Sectional Committee and approval of the Electrotechnical Division Council.