IEC 61508, providing application developers show the evidence required to demonstrate that the application including the device is also compliant. IEC 61511 is an application-specific adaptation of IEC 61508 for the Process Industry sector. This standard is used in the petrochemical and hazardous chemical industries, among others. Safety standards The following standards use SIL as a measure of reliability and/or risk reduction. ANSI/ISA S84 (Functional safety of safety instrumented systems for the process industry sector) IEC 61508 (Functional safety of electrical/electronic/programmable electronic safety related systems) IEC 61511 (Safety instrumented systems for the process industry sector) IEC 61513 (nuclear industry) IEC 62061 (safety of machinery) EN 50128 (railway applications – software for railway control and protection) EN 50129 (railway applications – safety related electronic systems for signalling) EN 50657 (railway applications – software on board of rolling stock) EN 50402 (fixed gas-detection systems) ISO 26262 (automotive industry) MISRA, various (guidelines for safety analysis, modelling, and programming in automotive applications) Defence Standard 00-56 Issue 2 – accident consequence The use of a SIL in specific safety standards may apply different number sequences or definitions to those in IEC EN 61508. See also As low as reasonably practicable (ALARP) Spurious trip level (STL) High integrity pressure protection system (HIPPS) There is a whole family of B2-level standards based more or less on IEC 61508 that also uses SIL, e.g., IEC 62061 and ISO 26262. References Textbooks D. Smith, K. Simpson, "Safety Critical Systems Handbook – A Straightforward Guide to Functional Safety, IEC 61508 (2010 Edition) and Related Standards" (3rd Edition, , 270 Pages). M. Punch, "Functional Safety for the Mining Industry – An Integrated Approach Using AS(IEC)61508, AS(IEC)62061 and AS4024.1." (1st Edition, , in A4 paperback, 150 pages). www.marcuspunch.com M.J.M. Houtermans, "SIL and Functional Safety in a Nutshell (Risknowlogy Best Practices Series, 1st Edition, eBook in PDF, ePub, and iBook format, 40 pages). * SIL and Functional Safery in a Nutshell H. Hartmann, H. Thomas, E. Scharpf, "Practical SIL Target Selection – Risk Analysis per the IEC 61511 Safety Lifecycle" M. Medoff, R. Faller, "Functional Safety – An IEC 61508 SIL 3 Compliant Development Process, (Third Edition)" External links 61508.org The 61508 Association IEC Safety Zone The IEC Functional safety zone Functional Safety, A Basic Guide Functional Safety and IEC 61508: A basic guide SIL Made Simple – White Paper presented at Valve World 2010 Safety Integrity Level Manual Archived Pepperl+Fuchs SIL Manual