Beckhoff EL3692 Documentation page 82

Commissioning
Scan over existing Configuration
Change of the configuration after comparison
With this scan (TwinCAT 2.11 or 3.1) only the device properties vendor (manufacturer), de-
vice name and revision are compared at present! A 'ChangeTo' or 'Copy' should only be
Attention
carried out with care, taking into consideration the Beckhoff IO compatibility rule (see
above). The device configuration is then replaced by the revision found; this can affect the
supported process data and functions.
If a scan is initiated for an existing configuration, the actual I/O environment may match the configuration
exactly or it may differ. This enables the configuration to be compared.
Fig. 110: Identical configuration (left: TwinCAT 2; right: TwinCAT 3)
If differences are detected, they are shown in the correction dialog, so that the user can modify the
configuration as required.
Fig. 111: Correction dialog
It is advisable to tick the "Extended Information" check box to reveal differences in the revision.
82 Version: 2.1 EL3692