4.5 Determining a safety integrity level for machinery hazards
by Nguyễn Sĩ Tuấn
1. 4.5.1 International standard IEC 61508
2. 4.5.2 International standard EN IEC 62061
3. 4.5.3 European standard EN 945 – 1
4. 4.5.4 The Pearce method
5. 4.5.5 The Ridley method