Siemens SIMATIC S7-1200 Manual page 23

Use the PLC tags in the tag table for addressing the instructions
Easy Book
Manual, 11/2009, A5E02486774-01
Using the tag table, you can quickly
enter the PLC tags for the addresses
of the contacts and coils.
1. Double-click the default address
??.?>
< above the first normally
open contact.
2. Click the selector icon to the right
of the address to open the tags in
the tag table.
3. From the drop-down list, select
"Start" for the first contact.
4. For the second contact, repeat
the preceding steps and select
the tag "Stop".
5. For the coil and the latching
contact, select the tag "Running".
You can also drag the I/O addresses directly
from the CPU. Simply split the work area of the
Project view (Page 17).
You must zoom the CPU to over 200% in order
to select the I/O points.
You can drag the I/O on the CPU in the "Device
configuration" to the LAD instruction in the
program editor to create not only the address
for the instruction, but also to create an entry in
the PLC tag table.
Getting started
23