BS EN 61511-1:2004:2005 Edition
$215.11
Functional safety. Safety instrumented systems for the process industry sector – Framework, definitions, system, hardware and software requirements
Published By | Publication Date | Number of Pages |
BSI | 2005 | 88 |
gives requirements for the specification, design, installation, operation and maintenance of a safety instrumented system, so that it can be confidently entrusted to place and/or maintain the process in a safe state. This standard has been developed as a process sector implementation of IEC 61508. The contents of the corrigendum of November 2004 have been included in this copy. It has the status of a horizontal standard in accordance with IEC Guide 108.