750-663 Profisafe EX i module provides four secure digital inputs for safety applications with intrinsically safe sensors in Zones 2, 1 and 0. Input and process data is securely transferred using Profisafe protocols V1 and V2 on one fieldbus line. Via functional safety, the intrinsically safe inputs also detect secure sensors in Zone 0/20, determining safety functions up to SIL 3 (IEC 61511, EN IEC 62061) and Cat. 4 PLe (EN ISO 13849).
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