Fail-safe I/O modules for use with SIMATIC S7-400F/FH
With integrated safety functions
Can only be plugged into ET 200M
Achievable safety requirements in safety mode: SIL 2, SIL 3 in accordance with IEC 61508, AK 4, AK 6 in accordance with DIN V 19250, Cat. 3, 4 in accordance with EN 954-1
Operation in standard mode with increased diagnostics requirements