Programming LOGO!

3.7 Writing and starting the circuit program

3.7.3Circuit program input

Let us now write the circuit program, starting at the output and working towards the input. LOGO! initially shows the output:





4



7KHILUVW/2*2RXWSXW

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.





B4



7KHFXUVRULQGLFDWHV\RXUFXUUHQW

SRVLWLRQLQWKHFLUFXLWSURJUDP

At this point you enter only the first (OR) block. Press OK to select editing mode.





&R4



7KHFXUVRULVGLVSOD\HGDVDVROLGVTXDUH <RXFDQQRZVHOHFWDFRQQHFWRURUDEORFN

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'LVWKHILUVWEORFNRIWKHEDVLF IXQFWLRQVOLVW7KHVROLGVTXDUHFXUVRU SURPSWV\RXWRVHOHFWDEORFN

Now press or until the OR block appears on the display:

%



4



7KHVROLGVTXDUHFXUVRULVVWLOOSRVLWLRQHGRQ WKHEORFN

 

LOGO!

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Manual, 04/2011, A5E03556174-01

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Siemens 6ED1050-1AA00-0BE8 manual Circuit program input, 4, , ุ

6ED1050-1AA00-0BE8 specifications

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