Siemens SIMATIC S7-1200 Manual page 20

Getting started
Create tags for the I/O of the CPU
Note
"PLC tags" are the symbolic names for I/O and addresses. After you create a PLC tag, STEP
7 Basic stores the tag in a tag table. All of the editors in your project (such as the program
editor, the device editor, the visualization editor, and the watch table editor) can access the
tag table.
20
With the device editor open, you can open a tag table.
You can see the open editors displayed in the editor bar.
In the tool bar, click the "Split editor space horizontally" button.
STEP 7 Basic displays both the tag table and the
device editor together.
Manual, 11/2009, A5E02486774-01
Easy Book