
SIMATIC S7-400 advanced controller (PLC)
SIMATIC S7-400
Powerful modular Siemens controller for plant and process automation with standard, fail-safe (F) and fault-tolerant (H) CPUs; Siemens announced the phase-out of the standard, F and H CPUs on 1 October 2026 (type cancellation planned for 1 January 2027 for F and 1 October 2027 for standard and H), while the CPU 410-5H for PCS 7 stays active and the recommended replacements are the CPU 410 and S7-1500




