BS-EN-61508-1 Complete Document History
Functional safety of electrical/electronic/ programmable electronic safety-related systems

Complete Current Edition:
   2010 EDITION - SYSTEMS, GENERAL REQUIREMENTS - June 30, 2010

Obsolete Revision Information:
   AMD 13779 - AMENDMENT 1 FOR 1999 EDITION - March 15, 2002
   AMD 10631 - CORRIGENDUM 1 FOR 1999 EDITION - Aug. 15, 2000
   1999 EDITION - ELECTRONIC SAFETY-RELATED SYST - June 15, 1999