Siemens LOGO!, Manual

Page: 103 / 534

Programming LOGO!
3.7 Writing and starting the circuit program
LOGO!
Manual, 04/2011, A5E03556174-01
103
Showing/hiding parameters - the parameter protection mode
If you want to show/hide the parameter and allow/prevent its modification in parameter
assignment mode:
1.
Move the cursor to the protection mode: Press or
2. Select the protection mode: Press or
The display should now show:
7 P
%5
7 P
%5
3URWHFWLRQPRGH7KHYDOXH
RIWKHWLPH7FDQEHPRGLILHG
LQSDUDPHWHUDVVLJQPHQW
PRGH 3URWHFWLRQPRGH7KHYDOXH
RIWKHWLPH7LVKLGGHQLQ
SDUDPHWHUDVVLJQPHQWPRGH
RU
3. Confirm your entries with: OK
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 or
2. Select the retentivity setting: Press or
The display now shows:
7 P
%5
7 P
%
RU
5HWHQWLYLW\5&XUUHQWGDWDLV
UHWDLQHG 5HWHQWLYLW\&XUUHQWGDWDLVQRW
UHWDLQHG
3. Confirm your entries with OK
Note
For further information on the protection mode, refer to the topic "Parameter protection
(Page 153)".
For further information on retentivity, refer to the topic "Retentivity (Page 153)".
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.