Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 109478804, Entry date: 03/25/2019

Guide for Migrating PC-based Controllers: from SIMATIC WinAC RTX to the SIMATIC S7-1500 Software Controller and TIA Portal

  • Entry
  • Associated product(s)
This guide supports your migration to the new software controller generation. It explains the advantages of the new technology and helps you migrate your system (including the controller, programs, hardware configurations and HMI).

Figure 01

This entry supports you in migrating
  • from a SIMATIC WinAC RTX to a SIMATIC S7-1500 Software Controller.
  • from SIMATIC STEP 7 V5.x to SIMATIC STEP 7 (TIA Portal, V13 SP1 or higher).
  • from existing hardware (e.g., PC, peripherals, HMI) to new hardware.

The documentation for this entry provides a concise explanation of
  • the structure of the software controller’s new architecture and the advantages it brings.
  • the available versions, the range of functions and suitable areas of application.
  • what you need to consider when migrating.
  • the configuration and operation of the new software controller.


The entry gives you an overview of the topic.
In addition, it includes references to documents – some of them using sample projects – that cover the presented subjects in greater detail.

Further Information

  • “Migration Guide: SIMATIC S7-300/400 to S7-1500” (Entry ID 109478811)
  • Application example “PC-based Automation: Simple Migration of S7-300/S7-400 Projects to S7-1500 Software Controller or WinAC RTX with TIA Portal” (Entry ID 67121011)
  • “HMI Migration Guide: helps you to migrate from WinCC flexible to WinCC (TIA Portal)”
    (Entry ID 77430539)
  • Migration Guide: S7-31xT to S7-1500(T)
    (Entry ID 109743136)

    Additional Keywords
    S7-1507S, S7-1505SP, S7-1508S, IPC, software controller, soft PLC

    Security information
    In order to protect technical infrastructures, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art IT security concept. Siemens’ products and solutions constitute one element of such a concept. For more information about cyber security, please visit
    Rate entry
    no rating
    Requests and feedback
    What do you want to do?
    Note: The feedback always relates to the current entry / product. Your message will be forwarded to our technical editors working in the Online Support. In a few days, you will receive a response if your feedback requires one. If we have no further questions, you will not hear from us.