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prEN ISO 13849-1

Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO/DIS 13849-1:2021)

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Draft
Base Documents
ISO/DIS 13849-1.2; prEN ISO 13849-1
Directives or regulations
None
Standard history
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This document specifies a methodology and provides related recommendations and requirements for the design and integration of safety-related parts of control systems (SRP/CS), including the design of software. This document specifies a methodology and provides related guidance for the design and integration of safety-related parts of control systems (SRP/CS) that perform safety functions, including the design of software. This document applies to SRP/CS for high demand and continuous mode including their subsystems, regardless of the type of technology and energy (e.g. electrical, hydraulic, pneumatic, and mechanical). This document does not apply to low demand mode. NOTE 1 See 3.1.43 and IEC 61508 for low demand mode. This document does not specify the safety functions or required performance levels that are to be used in particular applications. This document does not give specific requirements for the design of products/components that are parts of SRP/CS. Specific requirements for the design of components of SPR/CS are covered by applicable ISO and IEC-standards. This document does not provide specific measures for security (e.g. physical, IT-security, cyber security) aspects. NOTE 2 Security issues can have an effect on safety functions. See ISO/TR 22100-4 and IEC/TR 63074 for further information. NOTE 3 This document specifies a methodology for SRP/CS design without considering if certain machinery (e.g. mobile machinery) has specific requirements. These specific requirements can be considered in a Type‑C standard.
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