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Enabling/disabling retentivity
To decide whether you want to retain your current data after a power failure or not:
1. Move the cursor to the retentivity setting: Press
2. Select the retentivity setting: Press
The display now shows:
3. Confirm your entries with OK
Note
For further information on the protection mode, refer to the topic "Parameter protection
(Page 117)".
For further information on retentivity, refer to the topic "Retentivity (Page 116)".
You can modify the protection mode and retentivity setting only in programming mode.
This is not possible in parameter assignment mode.
In this manual, the protection mode ("+" or "-") and retentivity ("R" or "/") settings are only
shown in the displays where these can actually be changed.
Verification of the circuit program
This program branch for Q1 is now completed. LOGO! shows you the output Q1. You can
once again view the circuit program on the display. Use the keys to browse the circuit
program; that is, press
inputs at a block.
Closing the programming mode
Although you were shown how to exit the programming mode when you created your first
circuit program, here is a reminder:
1. Return to the programming menu: Press ESC
2. Return to the main menu: Press ESC
3. Move the '>' cursor to 'Start': Press
4. Confirm 'Start': Press OK
LOGO! is back in RUN mode:
LOGO!
Manual, 10/2017, A5E01248535-AA
or
or
to move from block to block,
or
Programming LOGO!
3.7 Writing and starting the circuit program
or
and
to move between the
87

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