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Siemens AG
Entry type: Application example Entry ID: 102843424, Entry date: 01/16/2017
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PCS 7 Process visualization on mobile devices (smartphone and tablet)

  • Entry
  • Associated product(s)
The use of mobile devices suggests itself as a way of obtaining process-proximity to all information. Thanks to their handiness, weight and computing power, smartphones and tablets offer the best prerequisites for convenient and process-proximate operator control of the system.

Task
The process visualization is an essential part of a system. The larger and more complex a system is, the more information must be processed and visualized. Stationary operating stations are localized over Ethernet cables and are matched to the visualization of specific subsystems. The central control room together with its process operating stations is located far away from the sensors and actuators. To increase flexibility, there is a requirement to be able to move freely with a mobile operating device within the system and close to the process-proximate components.

Solution
The use of mobile devices suggests itself as a way of obtaining process-proximity to all information. Thanks to their handiness, weight and computing power, smartphones and tablets offer the best prerequisites for convenient and process-proximate operator control of the System.

The solution presented in this document offers you the following advantages: 

  • Selection assistance for a suitable remote app
  • Configuration instructions for the initialization of remote access and operating tips
  • Reduced planning and configuration work
 

Note
Please ensure that certified mobile devices are used, if the example is applied in explosion hazard zones.
 
RealVNC
The "RealVNC" Enterprise Edition software from PCS 7 V8.0 is released for use for remote service access. The edition status of RealVNC that matches your PCS 7 version, regularly updated, can be found in entry ID 64847781 .
  
 PCS 7 V8.2 - Process Visualization on Mobile Devices with RealVNC (1,1 MB)
  PCS 7 V8.1 - Process Visualization on Mobile Devices with RealVNC (2,9 MB) 
 

Advantages Disadvantages 

 

  • Intuitive operation  
      
  • Easy configuration

  • Direct connection to the Web Navigator server possible

  • Separate software required

  • License key required

RDP

The Remote Desktop Protocol (RDP) is a proprietary Microsoft network protocol for display and control of the screen content (Desktop) of remote computers.
   
  PCS 7 V8.1 ­ Process Visualization on Mobile Devices with RDP (6,1 MB)  
  PCS 7 V7.1-V8.0 - Process Visualization on Mobile Devices with RDP (5,4 MB)
   
Advantages Disadvantages 

 

  • No separate software required

  • based on standardized protocol


  
  • Direct connection to the Web Navigator server is not possible.
    This means that the RDP connection is created by means of a Web Client, which in turn is connected to the Web Server.

  • The existing Windows session must be applied using the locally logged on Windows user account

  • The remote station is not allowed to be located on the Windows logon screen.


Latest changes
Documentation added for SIMATIC PCS 7 V8.2

Additional keywords
Web Navigator, terminal server, mobile phone, Android, iOS


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
https://www.siemens.com/cybersecurity#Ouraspiration.