Siemens sinumerik 840d sl Configuration Manual page 60

Device configuration
4.7 Using device proxies
Additional information
You can find information about the general method of operation for device proxies in the
information system under "Initializing a device proxy via a project file".
You can find information on integrating STEP 7 V5.x projects via device proxies in the
Service & Support portal:
Shared configuration with WinCC (TIA Portal) and STEP 7 V5.x
(http://support.automation.siemens.com/WW/view/en/73502293)
Pay particular attention there to the available application description for WinCC (TIA Portal)
as of V13.
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SINUMERIK Integrate Create MyHMI / WinCC V13 SP1
Configuration Manual, 11/2014