Technical data

Displaying Reference Data
14.2 Working with Reference Data
Programming with STEP 7
Manual, 05/2010, A5E02789666-01 319
Reference Data View Menu Command to Display this Reference Data View
Program Structure View > Program Structure
Cross-Reference List View > Cross References
14.2.3 Generating and Displaying Reference Data
Generating Reference Data:
1. In the SIMATIC Manager, select the block folder for which you want to generate reference
data.
2. Select the menu command Options > Reference Data > Generate in the SIMATIC Manager.
Before generating reference data, the computer checks to see if any reference data are available
and if so, whether the data are current.
• If reference data are available, they are generated.
• If the reference data available are not current, you can choose whether to update the reference
data or whether to generate them again completely.
Displaying Reference Data:
Using the menu command Options > Reference Data > Display you can display the reference
data.
Before displaying reference data, a check is made to ascertain whether any reference data exist
and whether the existing reference data are current.
• If no reference data exist they are generated.
• If incomplete reference data exist, a dialog box is displayed showing a notice that the reference
data are inconsistent. You can then decide whether you want to update the reference data and
to what extent. You then have the following possibilities:
Choice Meaning
For modified blocks only The reference data are updated for any modified or new blocks; information on
any blocks deleted is removed from the reference database.
For all blocks The reference data are generated again from scratch for all blocks.
Do not update The reference data are not updated.
In order to update the reference data, the blocks are recompiled. The appropriate compiler is called
to compile each block. Using the menu command View > Update you can refresh the view of the
reference data already displayed in the active window.