SCHNEIDER AS-S908-120
The standard IEC 61508 defines 4 safety integrity levels (SIL) for safetyfunctions. SIL1 is the lowest level and SIL4 is the highest level. A hazardand risk analysis serves as a basis for determining the required safetyintegrity level. This is used to decide whether the relevant function chainis to be consid
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MODICON AS-S908-120
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SCHNEIDER AS-S908-120
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