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Programming LOGO!
3.4 The four golden rules for operating LOGO!
LOGO!
62
Manual, 06/2014, A5E33039675
RUN mode; that is, it continues executing the circuit program (see the topic "Configuring
program.
● Select the menu command
on the main menu to set RUN mode.
● When the system is in RUN mode, you can return to parameter assignment mode by
pressing the ESC key.
● When parameter assignment mode is open and you want to return to programming
mode, select the menu command
from the parameter assignment
menu to set STOP mode.
For more details on operating modes, refer to the Appendix topic "LOGO! menu structure
(Page 323)".
Rule 2: Outputs and inputs
● Always create your circuit program by working from the output to the input.
● You can connect an input to several outputs, but not the same output to several inputs.
● Within the same program path you cannot connect an output to an upstream input. You
● You can connect an input to several outputs, but not the same output to several inputs.
● Within the same program path you cannot connect an output to an upstream input. You
can use flags or outputs for such internal recursions.
Rule 3: Cursor and cursor movement
The following applies when you edit a circuit program:
● You can move the cursor when it appears as a solid square:
● You can move the cursor when it appears as a solid square:
– Press , , or to move the cursor in the circuit program.
– Press OK to change to select connector/block.
– Press ESC to exit programming mode.
– Press OK to change to select connector/block.
– Press ESC to exit programming mode.
● You select a connector/block when the cursor appears as a solid square:
– Press or to select a connector or a block.
– Confirm with OK.
– Press ESC to return to the previous step.
– Confirm with OK.
– Press ESC to return to the previous step.
Rule 4: Planning
● Before you start to create a circuit program, first create a design on paper or program
LOGO! directly using LOGO!Soft Comfort.
● LOGO! can only save complete and faultless circuit programs.