Instance DB
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
15-3
15.4 Creating the Instance DB Later
If you have not selected the option "Include Instance DB" in the "General" tab
page, follow the steps below:
1. Program the S7-Graph FB and select the menu command File > Save.
2. If the S7-Graph FB was compiled free of errors, select the menu command File
> Create Instance DB.
3. Either accept the name proposed in the “Create Instance DB" dialog box or click
the “Select" button to specify a different DB name.
Result: A new instance DB is created or the selected instance DB is
overwritten.
15.5 Displaying and Printing the Content of the Instance DB
To display and print the content of the instance DB, follow the steps outlined below:
1.
While in the SIMATIC Manager, open the DB in the relevant user program by
double-clicking it.
2.
Select the menu command View > Data View in the LAD/STL/FBD editor.
3.
To print the content of the instance DB, select the menu command File > Print.
15.6 Accessing the Instance DB
You can access the instance DB internally, in other words within the S7-Graph FB
(for example as an action linked to an event) or externally, in other words outside
the S7-Graph FB (for example linked to a different block).
Accessing the Data of the Instance DB
You can access the instance DB with STEP 7 tools. We strongly advise, however,
that you do not edit the DB.
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