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ISO 13855:2024

ID 23017 | | Visite: 1263 | Documenti ISOPermalink: https://www.certifico.com/id/23017

ISO 13855 2024   Positioning of safeguards whit approach of the human body

ISO 13855:2024 / Machinery Positioning of safeguards whit approach of the human body - Ed. 3 Nov. 2024

ID 23017 | 26.11.2024 / Preview attached

ISO 13855:2024
Safety of machinery - Positioning of safeguards with respect to the approach of the human body

Edition 3 Published 22 Nov. 2024 / Type B

This document was prepared by Technical Committee ISO/TC 199, Safety of machinery, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 114, Safety of machinery, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This third edition cancels and replaces the second edition (ISO 13855:2010), which has been technically revised.
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The main changes compared to the previous edition are as follows:

- document expanded for applicable cases and partly revised to be state-of-the-art;
- figures revised for clarity and better understanding;
- scope wording improved to better focus on the document’s content;
- Clause 4 improved for better explanation of the methodology;
- document restructured from Clause 5;
- calculation of reaching distances separated for those applications which are initiating a safety function and those which are not initiating a safety function;
- dynamic separation distance calculation included for mobile applications with unknown human direction of approach;
- improvements for better distinction of different paths of approach;
- requirements for single control devices (hand- and foot-operated) and interlocking guards added;
- annexes revised in order to match with the body text of this document;
- Annexes D to G added.
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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.
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