IDEC High Performance Series - Manual (Page 1288)

2 USB Flash Drives
30-44 WindO/I-NV2 User’s Manual
2.9 Precautions
• USB flash drives have a limitation on the number of times they can be written to.
Regularly backup data on the USB flash drive.
• Never turn the power off or remove the USB flash drive while reading/writing to it. Otherwise, the data on the USB
flash drive may be destroyed. Should this occur, reformat the USB flash drive.
• Multiple USB flash drives cannot be used at the same time.
• Before turning off the power to the MICRO/I or before removing the USB flash drive, set HG special relay LSM18 to
1 and check that HG special relay LSM19 is 0.
• The message Saving USB flash drive appears while reading or until writing stops.
To resume reading/writing to the USB flash drive, re-insert it.
• If an unusable USB flash drive is inserted, the error message USB flash drive not available appears.
• Do not alter project files (ZNV format) and PLC program files (ZLD format). Altered files cannot be used with
MICRO/I or PLCs.
• Do not connect the USB flash drive to the MICRO/I through a USB hub.