Siemens LOGO! Manual page 72

Programming LOGO!
3.7 Writing and starting the circuit program
The cursor no longer appears in the form of an underscore; but instead as a flashing solid
square. LOGO! offers you various options here.
Select GF (basic functions) by pressing the
LOGO! now shows the first block from the list of basic functions:
Now press
Press OK to confirm your entries and exit the dialog.
You have now entered the first block. Each new block is automatically assigned a block
number. The only thing left to do is interconnect the block inputs. This is how it is done:
Press OK.
Select the Co list: Press OK
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or until the OR block appears on the display:
key until GF appears, and confirm with OK.
Manual, 10/2017, A5E01248535-AA
LOGO!