Siemens Industry Online Support
Siemens AG
Entry type: Application example Entry ID: 109753218, Entry date: 04/16/2018

Getting Started Extension Unit

  • Entry
  • Associated product(s)
The extension unit is used to expand your HMI with a variety of features, such as EMERGENCY-STOP, RFID card readers, USBs, illuminated pushbuttons, indicator lights, key-operated switches and selector switches.

You need a control solution that is able to withstand tough conditions. A solution that is also easy to install and that can be expanded quickly. The HMI PRO Portfolio is exactly what you are looking for, consisting of a basic unit, an extension unit, a mounting adapter as well as an optional keyboard and tray.

The extension unit’s modular system offers a customized solution for your system thanks to the individual operator control combinations.

 Registrierung notwendig  Documentation (5,6 MB)

 Registrierung notwendig  Project for TIA V14 SP1 (184,4 MB)

Additional keywords
Automatic user login, Degree of protection IP65

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