Pneumax - Compressed air treatment Strana 86
Nabídka komerčních zákazníků **Nejlépe prodávané z Pneumax GmbH
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Modular FRL Series Airplus Safeline Regulatory Framework The purpose of the EU’s Machinery Directive is to define the health and safety requirements in the framework of designing and constructing machinery. Since 2009, the new Machinery Directive has become effective in the European Union. Member countries of the EU are required to implement this standard. The manufacturers of machinery can comply with the Machinery Directive applying the harmonised standards listed in the Official Journal of the European Union. AIR TREATMENT The design and manufacture of safety controls are developed in compliance with one of the two important harmonised standards: UNI EN ISO 13849-1 EN 62061 Safety of machinery Safety-related parts of control systems Part 1: General design principles Safety of machinery Functional safety of electrical, electronic and programmable control systems regarding safety The UNI EN ISO 13849-1 standard is one of the most important harmonised standards, which has been widely used; it is intended to provide a guide to principles for design and integration of safety-related parts of the control system. Each safety-related control system must be designed and constructed in accordance with the principles of ISO 12100 and ISO 14121 by which the possible risks are considered and assessed, in view of the intended uses and the reasonably anticipated incorrect uses. The parts of a machinery’s control system are called “Safety-related parts of control systems”. Their capacity to perform a safety function under predictable conditions is assigned by means of five possible levels called “performance levels” (PL). These levels are defined in terms of probability of dangerous malfunction per hour. PL - Performance Level a Average probability of dangerous malfunction per hour (1/h) ≥ 10-5 to < 10-4 b ≥ 3x10-6 to < 10-4 c ≥ 10-6 to < 3x10-6 d ≥ 10-7 to < 10-6 e ≥ 10-8 to < 10-10 The calculated PL must be greater or equal to the necessary value, which arises from the calculation of the risk correlated to one single function and to the need to reduce it to an acceptable level. S1 Slight danger S2 Serious danger 83 F1 Occasional danger and brief exposure P1 - possibly avoidable danger P2 - largely unavoidable danger F2 Frequent danger and long exposure P1 - possibly avoidable danger F1 Occasional danger and brief exposure P1 - possibly avoidable danger F2 Frequent danger and long exposure P1 - possibly avoidable danger PL= a PL= b P2 - largely unavoidable danger P2 - largely unavoidable danger P2 - largely unavoidable danger Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PL= c PL= d PL= e
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