EN ISO 13855:2024
Safety of machinery - Positioning of safeguards with respect to the approach of the human body (ISO 13855:2024)
Safety of machinery - Positioning of safeguards with respect to the approach of the human body (ISO 13855:2024)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 85
- Дата публикации:
- 18 декабря 2024 г.
- Издание:
- CEN EN 13855 edition 2 version 1
- ICS:
- 13.110
This document specifies requirements for the positioning and dimensioning of safeguards with respect to the approach of the human body or its parts towards hazard(s) within the intended span-of-control as follows: — the position and dimension of the detection zone(s) of ESPE and pressure-sensitive mats and pressure-sensitive floors; — the position of two-hand control devices and single control devices; — the position of interlocking guards. This document also specifies requirements for the positioning of safety-related manual control devices (SRMCD) with respect to the approach of the human body or its parts from within the safeguard space relative to: — the position and dimension of the detection zone(s) of ESPE and pressure-sensitive mats and pressure-sensitive floors; and — the position and dimension of interlocking guards. When evaluating the ability of the human body or its parts to access SRMCD from within the intended safeguarded space, the requirements of this document are also applicable to determine the dimensions of safeguard(s). Approaches such as running, jumping or falling, are not considered in this document. NOTE 1 The values for approach speeds (walking speed and upper limb movement) in this document are time tested and proven in practical experience. NOTE 2 Other types of approach can result in approach speeds that are higher or lower than those defined in this document. This document applies to safeguards used on machinery for the protection of persons 14 years and older. Safeguards considered in this document include: a) electro-sensitive protective equipment (ESPE) such as: — active opto-electronic protective devices (AOPDs) (see IEC 61496-2); — AOPDs responsive to diffuse reflection that have one or more detection zone(s) specified in two dimensions (AOPDDRs-2D) (see IEC 61496-3); — AOPDs responsive to diffuse reflection that have one or more detection zone(s) specified in three dimensions (AOPDDRs-3D) (see IEC 61496-3); — vision based protective devices using reference pattern techniques (VBPDPP) (see IEC/TS 61496-4-2); — vision based protective devices using stereo vision techniques (VBPDST) (see IEC/TS 61496-4-3); b) pressure-sensitive mats and pressure-sensitive floors (see ISO 13856-1); c) two-hand control devices (see ISO 13851); d) single control devices; e) interlocking guards (see ISO 14120). This document is not applicable to: — safeguards (e.g. pendant two-hand control devices) that can be manually moved, without using tools, nearer to the hazard zone than the separation distance; — protection against the risks from hazards arising from emissions (e.g. the ejection of solid or fluid materials, radiation, electric arcs, heat, noise, fumes, gases); — protection against the risks arising from failure of mechanical parts of the machine or gravity falls. The separation distances derived from this document do not apply to safeguards used solely for presence sensing function.
Abstract
Overview
EN ISO 13855:2024 - Safety of machinery - Positioning of safeguards with respect to the approach of the human body (ISO 13855:2024) defines how to position and size machine safeguards so people cannot reach hazardous zones during normal operation. Published by CEN as the European adoption of ISO 13855:2024, this standard addresses separation distances, detection zone placement and the location of controls for electro‑sensitive protective equipment (ESPE), pressure‑sensitive mats/floors, two‑hand and single control devices, interlocking guards and safety‑related manual control devices (SRMCD). It applies to protection of persons aged 14 years and older and supports conformity with the Machinery Directive (Directive 2006/42/EC) where relevant.
Key Topics
- Positioning of safeguards: requirements for where to locate ESPE, pressure mats/floors, interlocking guards, two‑hand and single control devices relative to hazards.
- Separation distance methodology: procedures for calculating static and dynamic separation distances based on approach speed, system response time and reaching distances.
- Approach speed and reaching distances: defined, time‑tested values for walking speed and upper‑limb movements used to derive safe distances; running, jumping and falling are excluded.
- Detection zones and directionality: guidance for mounting and dimensioning detection zones for AOPDs (including 2D/3D diffuse reflection and vision‑based devices) and considerations for orthogonal and indirect approaches.
- SRMCD placement: requirements to prevent access to hazards from inside safeguarded spaces and to evaluate reaching from within safeguarded areas.
- Scope limitations: not applicable to movable pendant devices that can be repositioned without tools, hazards from emissions (e.g., ejected materials, radiation), or protection against mechanical failures or gravity falls.
Applications
EN ISO 13855:2024 is practical for:
- Machine designers and OEMs setting up physical guards and sensor layouts.
- Safety engineers and integrators selecting and positioning ESPE (AOPDs, VBPD), pressure mats/floors and interlocks.
- Compliance officers and notified bodies assessing machine conformity with the Machinery Directive (CE marking) and harmonized safety requirements.
- Plant managers and maintenance teams implementing or verifying safeguarding during installation, retrofits or risk assessments.
Use cases include conveyor guarding, robot cells, press and cutting‑machine safeguarding, and automated production lines where accurate sensor placement and reliable separation distances are essential to prevent access to hazardous zones.
Related Standards
- ISO 12100 - General principles for design, risk assessment and risk reduction
- ISO 13857 - Safety distances to prevent hazard zones being reached by upper and lower limbs
- ISO 13851 - Two‑hand control devices
- ISO 13856‑1 - Pressure‑sensitive protective devices
- ISO 14120 - General requirements for fixed and movable guards
- IEC 61496 series and IEC/TS 61496‑4 for electro‑sensitive protective equipment (ESPE)
Keywords: EN ISO 13855:2024, safety of machinery, positioning of safeguards, separation distance, ESPE, pressure‑sensitive mats, two‑hand control, interlocking guards, SRMCD, machine safety standards.
Технические детали
- Технический комитет
- CEN/TC 114 - Safety of machinery
- SKU
- EN ISO 13855:2024
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