Handling Memory Cards - Mitsubishi Electric MELCEC Q Series User Manual

7. MEMORY CARD AND BATTERY
7.3

Handling Memory Cards

(1) Installing the battery into the SRAM card
The battery for power failure compensation is packaged with your SRAM card.
Be sure to install the battery into the SRAM card before using the card.
POINT
The memory of the SRAM card will not be backed up if the battery is not installed
in the card even when a battery is installed in the CPU module.
Also, if a battery is installed in the SRAM card but not in the CPU module, the
memory of the built-in RAM of the CPU module will not be backed up.
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