User's Manual

Programming LOGO!
3.7 Writing and starting the circuit program
LOGO!
86 Manual, 04/2011, A5E03556174-01
3.7.3 Circuit program input
Let us now write the circuit program, starting at the output and working towards the input.
LOGO! initially shows the output:

4


7KHILUVW/2*2RXWSXW
You will see an underscore below the Q in Q1, which is the cursor. The cursor indicates your
current position in the circuit program. You can move the cursor by pressing the
, , and
keys. Now press the key. The cursor moves to the left.

B4


7KHFXUVRULQGLFDWHV\RXUFXUUHQW
SRVLWLRQLQWKHFLUFXLWSURJUDP
At this point you enter only the first (OR) block. Press OK to select editing mode.

ൻ&R4


7KHFXUVRULVGLVSOD\HGDVDVROLGVTXDUH
<RXFDQQRZVHOHFWDFRQQHFWRURUDEORFN
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
key until GF appears, and confirm with OK.
LOGO! now shows the first block from the list of basic functions:

4

%
7KH$1'LVWKHILUVWEORFNRIWKHEDVLF
IXQFWLRQVOLVW7KHVROLGVTXDUHFXUVRU
SURPSWV\RXWRVHOHFWDEORFN
Now press
or until the OR block appears on the display:

4
ุ
%
7KHVROLGVTXDUHFXUVRULVVWLOOSRVLWLRQHGRQ
WKHEORFN