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What are the Safety functions of ATV32 ?

Altivar 32 range of variable speed drives guarantees a high level of safety (SIL 3 according to standard IEC 61508) comparable with performance level “e” (PL e)
according to standard ISO/EN 13849-1-2.

Altivar 32 drive software includes three safety functions which contribute to ensuring machines meet safety requirements, whether or not they are used in conjunction with a Preventa safety module (2):
STO: Safe Torque Off
SLS: Safely Limited Speed
SS1: Safe Stop 1
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