Siemens SIMATIC FM 458-1 DP - Page 196

Configuring
4-138 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
Deactivate cycle management by the automation system:
Select the device name:
After changing the system parameters WinCC has to be restarted. It will
be possible to access the configured variables once this has been
completed.