157
Memory Initialization
Section 6-4
6-4 Memory Initialization
The NT31/NT31C has the following initialization functions. Use them as neces-
sary.
S Clearing screen data Page 157
S Initializing memory tables Page 162
S Initializing memory switches Page 164
S Initializing display history record data Page 159
S Initializing alarm history record data Page 160
Reference: If writing to the screen data memory has been disabled by the “System Setting”
setting in the System Installer mode, memory initialization is not possible.
6-4-1 Clearing Screen Data
Use this function if the screen data has been corrupted and the NT31/NT31C can-
not be started up correctly.
It clears (initializes) only the screen data: the memory switch settings and display
history/alarm history record data are retained.
Reference - When this function is used, all of the screen data contents registered in the
NT31/NT31C up to that point are cleared. Check that the created screens are
backed up at the Support Tool before using it.
- The screen data can be cleared in the System Installer mode too (page 167).
- The following types of data can be initialized individually.
Contents of numeral/character string memory tables (page 160)
Memory switch settings (page 162)
Display history record data (page 159)
Alarm history record data (page 160)
Clear the screen data by following the menu operation from the System Menu
shown below.
Select “Maintenance Mode”.
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