• Graded performance spectrum for a wide range of different applications
• 5 fail-safe CPUs (CPU 315F-2 DP, CPU 315F-2 PN/DP, CPU 317F-2 DP, CPU 317F-2 PN/DP, CPU 319F-3 PN/DP)
• 4 CPUs also available for an extended ambient temperature range of –25 °C to +60 °C (SIPLUS)

Further fail-safe CPUs that can be used with S7-300:

• Distributed fail-safe CPU ET 200S (IM151-7F, IM151-8F)
• Fail-safe software controller WinAC RTX F