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Entry type: FAQ Entry ID: 26290163, Entry date: 07/15/2016

Where can you find the latest updates of the operating systems for the CPUs S7-31x, IM15x and BM147?

  • Entry
  • Associated product(s)
Overview of the firmware versions of all S7-300 CPUs

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.

Additional Keywords
S7-300, CPU, Operating system update, Firmware, FW, Update, IFM, PtP, DP, PN/DP, Download, Compatibility test

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