BS EN ISO 14118:2018 Safety of machinery - Prevention of unexpected start-up

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BS EN ISO 14118:2018

Safety of machinery - Prevention of unexpected start-up

Status : Current   Published : February 2018



What is this standard about?

A significant number of accidents happen when stopped machines start up unexpectedly. This standard looks to build-in safety measures that will prevent unexpected start-ups and allow safe human interventions in danger zones.

Who is this standard for?

It’s particularly important to stakeholder groups which deal with machinery safety:

  • Machine manufacturers (small, medium and large enterprises)
  • Health and safety bodies (regulators, accident prevention organizations, market surveillance, etc.)

As well, it’s relevant to those affected by the level of machinery safety achieved from using this document:

  • Machine users/employers (small, medium and large enterprises)
  • Machine users/employees (e.g. trade unions, organizations for people with special needs)
  • Service providers, e.g. for maintenance (small, medium and large enterprises)
  • Consumers (in case of machinery intended for use by consumers)    

Why should you use this standard?

It specifies requirements for designed-in means that aim to prevent unexpected machine start-up, allowing safe human interventions in danger zones.

This applies to unexpected start-up from all types of energy source, e.g.:

  • Power supply, e.g. electrical, hydraulic, pneumatic
  • Stored energy due to, e.g. gravity, compressed springs
  • External influences, e.g. from wind

NOTE 1: This document does not specify performance levels or safety integrity levels for safety-related parts of control systems.

NOTE 2: While available means to prevent unexpected start-up are identified, this document does not specify the means for the prevention of unexpected machine start-up for specific machines.

NOTE 3: A type-C standard can define the required means for the prevention of harm arising from unexpected start-up. Otherwise, the requirements for a specific machine need to be determined by risk assessment outside the scope of this document.

What’s changed since the last update?

This standard supersedes BS EN 1037:1995+A1:2008, which is withdrawn. It also cancels and replaces the first edition, ISO 14118:2000, which has been technically revised and contains the following changes:

  • The text has been edited to make implementation easier
  • The scope has been redefined to exclude the specification of performance levels or safety integrity levels for safety-related parts of control systems
  • Figure 1 has been updated

Standard NumberBS EN ISO 14118:2018
TitleSafety of machinery - Prevention of unexpected start-up
Publication Date19 February 2018
Cross ReferencesISO 13849-1, IEC 62061, ISO 12100:2010, IEC/TS 62046, ISO 7731, ISO 13856-3, IEC 61496-1, IEC 61496-2, ISO/TS 19837, ISO 13856-1, IEC 61310 (all parts), ISO 13856-2, ISO 14119:2013, IEC 60204-1:2016, ISO 13850:2015, ISO 4413:2010, ISO 4414:2010
ReplacesBS EN 1037:1995+A1:2008
International RelationshipsEN ISO 14118:2018,ISO 14118:2017
Draft Superseded By16/30331346 DC
DescriptorsStarting, Verification, Equipment safety, Cut-out devices, Hazards, Control systems, Safety measures, Safety devices, Occupational safety, Control devices
Title in FrenchSécurité des machines. Prévention de la mise en marche intempestive
Title in GermanSicherheit von Maschinen. Vermeidung von unerwartetem Anlauf
ISBN978 0 580 91932 9
File Size486 KB

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