EN ISO 13849-1 – Functional Safety Standard, Basis for Performance Level (PL)
The standard EN ISO 13849-1 is the basis for evaluating the safety of complex machine control systems. It is a basic functional safety standard and contains internationally unified requirements, referring to the determination of the required performance level and identification of safety-related control parts, through to implementation of safety functions. The standard is to be applied to safety-related parts of control systems, irrespective of the technology and energy used (electrical, hydraulic, pneumatic, mechanical).