User Manual

UDF (User-Defined Function)
LOGO!
250 Manual, 06/2014, A5E33039675
5. Press
OK
twice to enter circuit program edit mode. A "U" identifies a UDF block. "U1"
refers to the first UDF block. The following display shows you an example of the circuit
program that contains a UDF block configured from LOGO!Soft Comfort.
6. Move the cursor to "U1": Press
, , or .
7. Press
OK
to enter the screen form for the first UDF block "U1". To select another
element, press the curor keys.
8. Position the cursor on the selected input ("I1" in this example) and press
OK
. The cursor
appears in a flashing solid square. If you want to change the first input to another
element, press
or .
9. Confirm your selection by pressing
OK
. The first input of "U1" is now changed.
Editing elements to the outputs of a UDF block
If LOGO! shows the following screen form as shown in the above Step 5 and you want to
change "Q1" to another element, follow the steps below: