Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 109749912, Entry date: 01/16/2018

User login on HMI operator panels via RFID and the SIRIUS ACT ID Key Switch

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Automatic user login on HMI operator panels with SIRIUS ACT ID Key Switch

Automation systems are sophisticated and complex technical systems.
Operation by unauthorized personnel can result in operating errors and therefore disruptions in the production process.  

To implement an access protection of a system, with WinCC (TIA Portal) and the integrated user administration both with the ID key and the electronic modules, SIEMENS offers the possibility of implementing this kind of concept in your system.

Depending on the ID key used, up to 4 key positions can be selected on the ID key switch. Via the control program, the information of the "ID key" is read out via a program-specific function block (FB) to allow a personal application, for instance.

The plant operator therefore does not have to remember a user name and password. The user-specific data is read via the ID key and the login is done automatically.

The zip file contains
  • a WinCC (TIA portal) configuration, in which all the functions and settings described are stored.
  • a library with the used function blocks. Via drag & drop you can integrate the configurable function blocks into your application.
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
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