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.
This update addresses compilation errors that appeared on newer Windows 10/Server builds (specifically LTSC versions). If you have noticed that your F-shared DBs fail to compile on a modern engineering station, this patch resolves the underlying memory allocation issue. simatic-s7fprojx-v5-5-sp13-upd1.exe
If you are responsible for a legacy S7 safety cell, It reduces the risk of nuisance safety trips and ensures your engineering environment remains legally compliant with current Windows security baselines. How to Download You can find this executable in the Siemens Industry Online Support (SIOS) under Article ID: 109756123 (or search for "S7 F-Systems V5.5 SP13 Upd1"). If you have noticed that your F-shared DBs
Keeping Safety Critical: A Deep Dive into SIMATIC S7 F-Systems – What’s New in V5.5 SP13 Upd1 Keeping Safety Critical: A Deep Dive into SIMATIC
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.