Mitsubishi MELSEC L Series User Manual page 45

(2) Removal procedure
*1 While the SD memory card is being used, the SD LED does not turn off even if the SD memory card lock switch is slid
up. In this case, check that the all bits of SD604 (Memory card use conditions) turn off, and then slide the lock switch up.
● Do not remove an SD memory card while a function using an SD memory card is being performed.
● To turn off all points of SD604 (Memory card use conditions), leave files in the SD memory card unused, or stop using all
files in the SD memory card with SM606 (SD memory card forced disable instruction) and SM607 (SD memory card
forced disable status flag). (
1.
Slide the SD memory card lock switch up.
Check that the SD LED turns off before removing the
SD memory card while the CPU module is on.
2.
Push the SD memory card into the slot once, and
then pull the card out.
Page 80, Section 12.3)
CHAPTER 4 INSTALLATION AND WIRING
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