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Unidrive M Regen Design Guide 221
Issue Number: 4
The following conditions must be met for auto-saving to be active:
1. Scope Auto-save Mode (09.070) is non-zero
2. Scope Auto-save Reset (09.072) = 0
3. Scope Auto-save Status (09.073) = 1 (Active)
4. Scope Mode (09.063) = 0 (Single) or 1 (Normal)
If auto-saving is active an attempt is made to copy the scope file to a non-volatile media card fitted to the drive each time the post-trigger data has
been acquired. The file name is SCP00XY.DAT, where XY is defined by Scope Auto-save File Number (09.071). If Scope Auto-save Mode (09.070) =
1 (Overwrite) then a file is over-written if it already exists. If Scope Auto-save Mode (09.070) = 2 (Keep) then if the file already exists the auto-save
process is aborted. Scope Auto-save File Number (09.071) is incremented after a file is saved successfully and rolls over to 0 if it exceeds its
maximum value.
If Scope Auto-save Status (09.073) = 0 (Disabled) and all the other conditions listed above for auto-saving to be active are met, then Scope Auto-save
Status (09.073) changes to 1 (Active), so that auto-saving becomes active. If the scope file cannot be saved because the file exists and Scope Auto-
save Mode (09.070) = 2 (Keep) then Scope Auto-save Status (09.073) is set to 2 (Stopped). If the scope file cannot be saved for any other reason
then Scope Auto-save Status (09.073) is set to 3 (Failed). If Scope Auto-save Status (09.073) is no longer 1 (Active), auto-saving is aborted.
Auto-saving can be made active again by setting Scope Auto-save Reset (09.072) to 1 and then to 0. If Scope Auto-save Mode (09.070) = 0
(Disabled) then Scope Auto-save Status (09.073) is set to 0 (Disabled), or if Scope Auto-save Mode (09.070) is non-zero then Scope Auto-save
Status (09.073) is set to 1 (Active). It should be noted that Scope Auto-save Status (09.073) is a power-down save parameter, and so auto-save will
remain inactive if Scope Auto-save Status (09.073) is 2 or 3 even if the drive is powered down and then powered up again.
09.071 Scope Auto-save File Number
RO Num PS
0 to 99
0
09.072 Scope Auto-save Reset
RW Bit PS
Off (0) or On (1)
Off (0)
09.073 Scope Auto-save Status
RO Txt PS
Disabled (0), Active (1), Stopped (2), Failed (3)
Disabled (0)
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