User manual

7–14
Chapter 7 – RUN Mode and Errors
LT Series User Manual
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 CONTROLLER DATA
Shows the current controller version data.
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 SRAM R/W
Performs an SRAM R/W (Read/Write) check. Writes the data required to per-
form the backup SRAM check.
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 SRAM BACKUP
Before performing this check, be sure to perform the above SRAM R/W check.
Then, after turning the LT unit’s power OFF and then ON, perform the SRAM
BACKUP
check.
Performing the checks listed below will delete all resident SRAM data.
The LT Editor/C-Package or LT controller setting data is written to non-resident
memory. Each of the setting items below is assigned a default value, but, if neces-
sary, be sure that your own settings are entered.
7.3.3 CONTROLLER SELF-DIAGNOSIS