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How to Cleanup the SD Memory Card

Clean up the memory card is possible by using the %SW93 word via the Unity Pro animation table 
 
Clean up via %SW93 Word is only applicable with only M340 and M580 Platforms.
 
 Clean up is only possible when the PLC is in STOP mode.

Clean up Operation

The Cleanup command and status of the memory card are provided by the %SW93 system word.

A- SW93.2: forcing a rising edge through the animation table starts the cleanup Operation
B- SW93.1: gives the status of the system file partition:
  • 0: invalid system file partition (Clean up in progress),
  • 1: Valid systems file partition. ( successful SD Card Cleanup Operation)
C- SW93.2 Value returned automatically to 0
 
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