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Entry type: FAQ Entry ID: 92047260, Entry date: 01/24/2017
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What additions are included in the firmware changes of the S7-1200 controllers?

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The document below includes a comparative overview of the different hardware versions of the S7-1200 CPU and a list of the new features of the separate firmware versions.

Description
The operating system (firmware) of the SIMATIC S7-1200 is updated continuously.
You can download firmware updates to a CPU within a hardware version of the CPU using the following methods:

  • Via a SIMATIC memory card
  • Via the released/authorized function of the enables web server of the CPU (firmware V3 onwards)
  • Via the online function in the TIA Portal (V13 and higher)
  • Via the SIMATIC Automation Tool


You must replace the hardware in order to be able to use any new functions of a higher version of the CPU hardware.

Download
The document below includes a comparative overview of the different hardware versions of the S7-1200 CPU and a list of the new features of the separate firmware versions.

92047260_S7-1200_CPU_firmware_overview_v1d2_en.pdf (644.9 KB)

Further Information
Detailed information on the topic of S7-1200 CPU firmware is available in the entries below.

  • System Manual SIMATIC S7-1200 Automation System - Edition:11/2011
    Entry ID61777246
  • System Manual SIMATIC S7-1200 Automation System - Edition: 04/2012
    Entry ID36932465
  • System Manual SIMATIC S7-1200 Automation System - Edition: 09/2016
    Entry ID109741593
  • SIMATIC Automation Tool - the support tool for commissioning and service of S7-1200, S7-1500 with ET 200SP CPU and distributed IO devices
    Entry ID98161300
  • Where do you find the latest operating system updates (firmware) for SIMATIC S7-1200 controllers?
    Entry ID77430184
  • How do you perform a firmware update for the S7-1200 as from V3.0 in STEP 7 (TIA Portal) by means of the web server?
    Entry ID67190848
  • What should you watch out for in STEP 7 (TIA Portal) when replacing an S7-1200 V3 with an S7-1200 V4?
    Entry ID82140966
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