ISO 13849-1 provides safety requirements for the safety-related parts of control systems (SRP/CS). As part of the overall risk reduction strategy at a machine, a designer will often choose to achieve some measure of risk reduction through the application of safeguards employing one or more safety functions.
ISO 13849-1 specifies characteristics that include the performance level required for carrying out safety functions. It applies to SRP/CS for high demand and continuous mode, regardless of the type of technology and energy used (electrical, hydraulic, pneumatic, mechanical, etc.).
It does not give specific requirements for the design of products which are parts of SRP/CS. Nevertheless, the principles given, such as categories or performance levels, can be used.
ISO 13849-1 is useful for:
— machine manufacturers (small, medium and large enterprises),
— health and safety bodies (regulators, accident prevention organisations, market surveillance etc.),
— machine users/employers (small, medium and large enterprises),
— machine users/employees (e.g. trade unions, organizations for people with special needs),
— service providers, e. g. for maintenance (small, medium and large enterprises),
— consumers (in the case of machinery intended for use by consumers).
The text of ISO 13849-1:2015 has been approved in Europe as EN ISO 13849-1:2015 without any changes and it supersedes EN ISO 13849-1:2008.
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