Mitsubishi Electric melsec q00ujcpu User Manual page 139

Programmable controller
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(d) Boot operation when the ATA card is used
When data are booted from the ATA card, the processing time of maximum 200ms may be required per 1K step
(4K bytes).
(e) When data in the program memory are changed after the CPU module is powered off and
then on or is reset
If the program memory data are changed after the sequence program is written to the program memory and the
CPU module is powered off and then on or is reset, a boot operation may be active.
While the BOOT LED on the front of the CPU module is on, the boot operation is active. Refer to (4) in this
section and stop the boot operation.
(f) Size after a boot from the memory card
The size unit of a file stored in each memory differs between the memory card and the program memory.
(
Section 5.3.4)
Therefore, note that files transferred from the memory card to the program memory differ in memory capacity
between before and after the transfer.
(g) Program written to the memory card
Set the programmable controller type (model name of the CPU module) for the program written to the memory
card (program set in the Boot file tab) and the model name of the CPU module to be booted to the same.
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