"SIMATIC S7-1200, Digital Input SM 1226, F-DI 16X 24 V DC, PROFIsafeDigital inputs to complement the integrated peripherals of the CPUsFor the realization of safety-related application requirements integrated into the overall automationWith built-in security featuresCommunication to fail-safe CPUs via PROFIsafe mechanismsUp to PL E (ISO 13849-1)/ SIL3 (IEC 61508)"