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BS EN ISO Safety of machinery – Basic concepts, general principles for design – Part 1: Basic terminology, methodology. [Note that EN ISO and EN have both been superseded by EN ISO – Ed, 31 December ]. EN ISO IEC – 1. Electrical. Equipment. BS EN Safety of machinery. Rules for drafting and. Presentation of safety standards. BS ISO

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The concept as defined does not apply to items consisting of software only. For openings in the guards, see ISO For detailed provisions see ISO NOTE 3 Emission values are preferably measured and their associated uncertainties determined by means of standardized methods for example, to allow comparison between similar machines. Whether or not a protective measure can be defeated depends on both the type of protective measure, such as an adjustable guard or programmable trip device, and its design details.

Control systems shall be designed to enable the operator to interact with the machine safely and easily. YES Risk reduction by safeguarding Implementation of complementary protective measures see 6. Information for use a?

NOTE 2 Depending on its construction, a guard may be described as, for example, casing, shield, cover, screen, door, enclosing guard.

Additionally, they could need to have particular properties relating to electricity, iwo, fire, explosion, vibration, visibility see ISO and operator position ergonomics for example, usability, operator’s movements, postures, repetitive movements. As the need for frequency of access increases, this inevitably leads to the fixed guard not being replaced.


Basic terminology, methodology Status: NOTE 2 A machine design which is acceptable at a particular time could be no longer justifiable when technological development allows the design of an equivalent machine with lower risk. This covers everything from ‘machinery’, ‘hazard’ and ‘risk’ to ‘adequate risk reduction’, ‘common cause failures’ and ‘common sb failures.

BS EN ISO 12100-1:2003+A1:2009

Comparisons between similar hazardous situations associated with different types 1200-1 machinery are often possible, provided that sufficient information about hazards and accident circumstances in those situations is available. Inherently safe design measures Step 2: See Figure 4 and ISO Readily understandable signs pictograms should be used in preference to written warnings. When estimating risk, is components and systems identified bw immediately increasing the risk in case of failure need special attention.

In order to offer more detailed information on the type of hazards, there are two additional columns that correspond to the origin of the hazard and its potential consequences. Basic terminology, methodology BS EN ISO provides designers with an overall framework and guidance to enable them to produce machines that are safe for their intended use. The main task of technical committees is to prepare International Standards.

Factors to be taken into account when estimating the exposure are, among others, a b c d the need for access to the hazard zone for normal 1210-1, correction of malfunction, maintenance or repair, etc.

Endorsement notice The text of ISO Falling or ejection of objects 6. Yes No — — fixed guards see 6. Safety-relevant instructions which involve ns action should be provided in a form readily available to the operator.


The order of potential consequences is not associated with any priority. Examples of hazards Origina acceleration, deceleration; angular parts; approach of a moving element to a fixed part; cutting parts; elastic elements; 112100-1 objects; gravity; height from the ground; high pressure; instability; kinetic energy; machinery mobility; moving elements; rotating elements; rough, slippery surface; sharp edges; stored energy; vacuum.

Safety of Machinery: EN ISO and EN ISO

These three steps are:. Inherently safe design measures Step 2: If risk reduction is required, then appropriate protective measures shall be selected and applied see Clause 6. This International Standard is a type-A standard. Automation can be achieved by, for example, robots, handling devices, transfer mechanisms and air-blast equipment. Parts of eh which can be removed manually in operation shall be provided with means for their safe removal and replacement.

Another fundamental concept that is introduced in Clause 5. Related to regulations, standards and other applicable documents: This publication does not purport to include all the necessary provisions of a contract. Whenever possible, control devices and control positions shall be located so that the operator is able to observe the working area or hazard zone.

Such signals may also be used sb warn the operator before the triggering of automatic protective measures see 6. The reset of the device shall not restart the machinery, but shall only permit restarting.