Electromagnetic fields and functional safety \Focus on IFA s work No. 0212\ IFA

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Specifications	Electromagnetic fields and functional safety \Focus on IFA s work No. 0212\ IFA
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Results and Application On the basis of IEC 61508 Part 2, a higher im- munity to disturbance for safety devices is re- quired

Specifications	Electromagnetic fields and functional safety \Focus on IFA s work No. 0212\ IFA
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Content	Results and Application On the basis of IEC 61508 Part 2, a higher im- munity to disturbance for safety devices is re- quired, in the form of a higher disturbance level, than that set out in the EMC generic standard (DIN EN 61000-6-2). Only the safety-related functional- ity need be retained at these higher levels, how- ever, or a safe status assumed. Depending upon the disturbance phenomenon, the immunity of the safety function should be higher than the proof levels set out in the generic EMC standard by one level of severity, and/or the number of interference pulses/the duration of exposure should be in- creased. Concessions in the enhanced immunity are permitted in consideration of the field of appli- cation and the local environment. The enhanced immunity need thus be assured only for: electro- magnetic fields at frequencies at which high field strengths may also occur (ISM frequency band, mobile telephone frequencies, etc.); electrostatic discharges in areas which are generally accessi- ble (for built-in appliances, only outside the switchgear cabinet); for fast transient disturbances on power-supply and signal terminals; for high- power impulse voltages on power-supply and sig- nal terminals. Area of Application Manufacturers of machinery, safety devices and control systems; staff on standards committees and in test institutes Additional Information x DIN EN 61000-6-2: Elektromagnetische Verträglichkeit (EMV) Teil 6-2: Fachgrundnor- men – Störfestigkeit für Industriebereich (03.06). Beuth, Berlin 2006 x DIN EN 61508-2: Funktionale Sicherheit sicher- heitsbezogener elektrischer/elektronischer/ programmierbarer elektronischer Systeme Teil 2: Anforderungen an sicherheitsbezogene elektrische/elektronische/programmierbare elektronische Systeme (02.11). x DIN EN 61326-3-1: Elektrische Mess-, Steuer-, Regel- und Laborgeräte – EMV-Anforderungen – Teil 3-1: Störfestigkeitsanforderungen für sicherheitsbezogene Systeme und für Geräte, die für sicherheitsbezogene Funktionen vorge- sehen sind (Funktionale Sicherheit) – Allge- meine industrielle Anwendungen (11.08). x IEC/TS 61000-1-2: Electromagnetic Compatibil- ity (EMC) Part 1-2: General – Methodology for the achievement of functional safety of electrical and electronic systems including equipment with regard to electromagnetic phe- nomena (04.09). x IEC 61000-2-5: Electromagnetic compatibility (EMC) – Part 2: Environment – Section 5: Classification of electromagnetic environments (05.11). x IEC 61000-6-7 : Electromagnetic compatibility (EMC) – Part 6-7: Generic standards – Immun- ity requirements for systems, equipment and products intended to perform functions in a safety-related system (functional safety) in in- dustrial environments (06.12). x Apfeld, R.; Grommes, W.: EMC and functional safety for power drive systems with integrated safety functions www.dguv.de/ifa, Webcode e95371 Expert Assistance IFA, Division 5: Accident prevention, Product safety Literature Requests IFA, Central Division Edition 0212 . 2/2013 Edited by: Werner Grommes Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA) Alte Heerstraße 111, 53757 Sankt Augustin, Germany Phone: +49 2241 231-01/Fax: -2234 E-mail: ifa@dguv.de, Internet: www.dguv.de/ifa Herausgeber und Druck: Deutsche Gesetzliche Unfallversicherung e. V. (DGUV), Mittelstraße 51, 10117 Berlin ISSN (Internet): 2190-006X ISSN (Druckversion): 2190-0051
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Following Datasheets	aifa0220e (2 pages) aifa0231e (2 pages) aifa0233e (2 pages) aifa0251e_2 (2 pages) aifa0265e (2 pages) aifa0276e (2 pages) aifa0277e (2 pages) aifa0293e_2 (2 pages) aifa0294e_2 (2 pages) aifa0295e_2 (2 pages)
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