Where can you find the latest updates of the operating systems for the CPUs S7-31x, IM15x and BM147?
In order to obtain a quick overview of current firmware versions, the attached download contains the current operating system firmware versions of the CPUs. In addition, this document also contains information about possible software packages.
- STEP 7
Standard programming software for SIMATIC controllers
- S7 Distributed Safety
Software for fail-safe applications
Generally speaking, you should always use the latest version of the operating system on the CPU.
S7_31x_CPUs_FW_Update.pdf (71,5 KB)
A list of the current operating systems of the S7-400 CPUs is available in Entry ID 40945038.
S7-300, CPU, Operating system update, Firmware, FW, Update, IFM, PtP, DP, PN/DP, Download, Compatibility test