ABB COM600 series Data Historian Operator's Manual page 66

66
COM600 series, Version 5.0
Data Historian Operator's Manual
MINPT Minimum Value of a Period, TimeStamp is the Period Time
OPTIME Operating Time. Requires a parameter, e.g. OPTIME10MIN(>5) calculates
the time the value has been greater than 5.
PERG Percent of Good Samples (0-1)
PERI Percent of Invalid Samples (0-1)
RANGE Maximum Value Within a Period minus Minimum Value Within a Period
STABILITY Stability Graph
STARTUP Startup Count - requires a parameter. E.g. STARTUP5MIN(>5) calculates
the number of occurrences the value has increased from less than or equal
to five to greater than five
SUM Sum of Values Within a Period
SUMRAW Raw Sum - Ignoring the Invalidity of Values
SUMTODOUBLE Sum of Values Within a Period Calculated to Double - Use If There is a
Risk of Overflow
VARIANCE Time Weighted Variance
WHEN Conditional fetch of values. Returns requested values when given conditions
are greater than zero.
Syntax: WHEN(Class=...;Property1=...;Property2=...; ...etc... Proper-
tyN=...;xProperty=...;yProperty=...;Filter=...)
See Using the WHEN Filter for more detailed information.
Table 5.2.3-2 The set of available time identifiers
Time identifier Description
TICKS, HUNDRED- Hundred nanoseconds
NANOSECONDS
MICROSECOND, Microseconds
MICROSECONDS
MS, MSEC, MILLI- Milliseconds
SECOND, MILLI-
SECONDS
S, SECOND, Seconds
SECONDS
MIN, MINUTE, Minutes
MINUTES
H, HOUR, HOURS Hours, local time
H_UTC, Hours, UTC time
HOUR_UTC,
HOURS_UTC
D, DAY, DAYS Days, local time
D_UTC, DAY_UTC, Days, UTC time
DAYS_UTC
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