Simatic-s7fprojx-v5-5-sp13-upd1.exe (2026)

PLC Programmers, Safety Engineers, Automation Project Managers, Maintenance Technicians (Process & Factory Automation).

Disclaimer: Always verify the SHA-256 checksum of the file against Siemens’ official portal before executing any safety-related engineering tool. Did it resolve a specific F-CPU compilation error you were facing? Let us know in the comments below. simatic-s7fprojx-v5-5-sp13-upd1.exe

Previous versions allowed specific invalid combinations of monitoring times for the S7-400F (redundant H-Systems). Update 1 enforces correct fail-safe timestamping and watchdog intervals, preventing a "Stop during Safety mode start-up" error. Let us know in the comments below

If you are maintaining a fail-safe system based on S7-300, S7-400, or ET 200SP/ET 200MP CPUs running on STEP 7 Classic (V5.5 or V5.6), this update should be on your radar. While the industry slowly shifts to TIA Portal, the "Classic" environment remains the backbone of countless critical production lines and process cells. If you are maintaining a fail-safe system based