Siemens SIMATIC S7-400
Siemens SIMATIC S7-400 status: Active. The recommended replacement is S7-1500 (factory automation); stays current for PCS 7 process automation.
Lifecycle status: Active
- Recommended replacement
- S7-1500 (factory automation); stays current for PCS 7 process automation
Dates are approximate — confirm with the manufacturer before planning around them.
Migration notes
No phase-out announced as of July 2026 — Siemens states availability beyond 2030 (it is even named a functional replacement in the S7-300 phase-out note), but new greenfield designs should still start on S7-1500.
Official sources
- support.industry.siemens.com/cs/ww/en/view/109809890
- support.industry.siemens.com/forum/WW/en/posts/are-there-any-siemens-official-announceme
Lifecycle data compiled from the manufacturer's own notices linked above. AllPartsIn is an independent reseller, not affiliated with or endorsed by the manufacturer.
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