CHAPTER 4: SETPOINTS FLEXLOGIC
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–389
Logic Design Last Saved, Logic Design Last Compiled, and FlexLogic Editor Last Saved:
Each of these three read-only variables holds the time stamp that represents the time that
the operation (of the respective variable) was performed.
1. When no Logic (New file creation) is present these timestamps are set to default text
representations.
2. Time stamps are displayed in the format ‘Mon DD YYYY HH:MM:SS’ [Jun 22 1981
14:20:00]
3. Each time a ‘Save’ operation is performed in the ‘FlexLogic Equation Editor’ screen, the
‘FlexLogic Editor Last Saved’ entry gets updated.
4. Based on the values present at each launch of the ‘FlexLogic Equation Editor’ screen,
internal validation prompts the relevant user messages. These user prompts must be
followed by the user to ensure the ‘FlexLogic’ configuration is synchronized with the
‘Logic Designer’.
These three variables are shown in color in the FlexLogic Equation Editor based on
timestamps. Color is used to indicate the change (non-synchronization if any) of
FlexLogic between the FlexLogic Editor and Logic Designer Screens.
File Conversion and Handling of Time Stamps: When File Conversion is applied the three
time stamps are processed (either carry forwarded, defaulted, updated with latest PC time)
based on the Source and Destination File versions and Order code supported.
The following cases depict the nature of the three time stamps after a file conversion.
In a typical scenario where both the FlexLogic Designer and FlexLogic Editor are used for
configuring FlexLogic, the updated time stamps will appear as shown in the following
figure.
Source Version Target
Version
Is FlexLogic
Change Detected?
Time Stamps
[LDLs, LDLc, FELs]**
>= 160 >= 160 YES [ 0^ , 0 , PCTime**]
>= 160 >=160 NO *Existing time stamps are copied to
the converted file
< 160 >= 160 YES [ 0 , 0 , PCTime]
< 160 (& > 120***) >= 160 NO [PCTime, PCTime, PCTime,]
** LDLs – Logic Designer Last Saved,
LDLc– Logic Designer Last Compiled and
FELs – FlexLogic Editor Last Saved
** PCTime The time that the file conversion took place
^ 0 Indicates the time stamps are being defaulted
*** There is no support for Logic Designer [Graphical Editor] below version 130
* For each specific case, the source files for Logic Designer (Graphical) content will
also get copied “as is” to the destination folder. This enables the user to retain old
content “as is”.
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