Contains the definitions and explanation of terms that are used in parts 1 to 7 of this standard. Intended for use by technical committees in the preparation of standards in accordance with the principles contained in IEC Guide 104 and ISO/IEC Guide 51. IEC 61508 is also intended as a stand-alone standard.
Has the status of a basic safety publication in accordance with IEC Guide 104.
The contents of the corrigendum of April 1999 have been included in this copy.
WITHDRAWN
IEC 61508-4:1998 ED1
99.60
Withdrawal effective
Apr 30, 2010
PUBLISHED
IEC 61508-4:2010 ED2