This routine deletes an existing Archive value for the specified point and time.

C format

int32 piar_deletevalue(

int32 pt,

int32 timedate );



System error



Bad point number


Date not on-line


No data for this point during the specified time range


Time is before the editing time limit


pt (passed)

Point number

time (passed)

Time stamp of value to delete

Usage Notes

If there is more than one value at the passed time, the first value is deleted.

Enabling Operational Intelligence