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AVEVA™ Plant SCADA

IsUsable()

  • Last UpdatedJul 13, 2023
  • 1 minute read

Returns a Boolean value indicating if the specified equipment.item is usable for calculations.

Category

Miscellaneous

Syntax

BooleanResult = IsUsable( equipment.item1, equipment.item2, … );

Parameter(s)

equipment.item1, equipment.item2, ...equipment.itemN

Name of one or more equipment.items for which you want to determine unusable quality. You can include a variable-length list of equipment.items.

Return Value

If all of the specified equipment.items have either Good or Uncertain quality, then true is returned. Otherwise, false is returned.

Remarks

The attributes having Good or Uncertain quality qualifies as usable. In addition, each float or double equipment.item cannot be a NaN (not a number).

Examples

IsUsable(TIC101.PV);

IsUsable(TIC101.PV, PIC102.PV);

See Also

IsBad(), IsGood(), IsInitializing(), IsUncertain()

Miscellaneous Functions

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