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FLEXLOGIC
FlexLogic Equation
4–384
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Setpoints > FlexLogic > FlexLogic Equation
The FlexLogic Equation screen (see following figure from EnerVista 8 Series Setup software)
is one of two options available to the user to configure FlexLogic. The other option is Logic
Designer.
Three new time stamp variables: Logic Design Last Saved, Logic Design Last Compiled and
FlexLogic Editor Last Saved, have been included in this screen. By looking at the time
stamps, the user can easily see which of the options: FlexLogic Editor or Logic Designer is
currently being used.
There are 1024 FlexLogic entries available, numbered from 1 to 1024 (i.e. FlexLogic Entry X
– where X ranges from 1 to 1024) with default END entry settings. If a "Disabled" Element is
selected as a FlexLogic entry, the associated state flag is never set to 1.
Figure 4-156: FlexLogic Equation Editor Screen
The FlexLogic entries are defined as follows.
Graphical Viewer: Clicking on the View button enables the FlexLogic equation to be
presented in graphical format (Read-only). Refer to the "Viewing FlexLogic Graphics"
section for more details.
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.
889 GENERATOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS
- Quick Links:
- 889 Order Codes
- Protection
- Typical Wiring Diagrams
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