ABB 800xA User Manual page 153

Appendix B Calculation using C# Calculation File
Column
OffsetUnit
PeriodCount
PeriodCountUnit
BatchVariable
BatchHistory
SchedulerId
ScheduleBaseTime
ScheduleInterval
ScheduleIntervalUnit
FollowWallClockTime
SkipMissed
Disabled
2PAA107563-600 B
Table 19. Calculation Task (Continued)
The time unit of the offset. If left null, Period Length
is used as the offset unit.
PeriodCount defines the number of consecutive
periods to be calculated in the calculation task.
The time unit of the period count. If left null,
BatchVariable is used when the period length can
vary and a special batch variable in a history table
determines the period start times.
NOTE: Offset and Periods are supported with
period variables, but not OffsetUnit and
PeriodsUnit.
Defines the history table which contains the values
for the batch variable. This must be defined when
BatchVariable is defined.
The scheduler identifier of the
RTDB_CalcScheduler service that handles the
scheduling of this task.
The base time of the calculation schedule.
The interval of the calculation schedule.
The time unit of the interval.
If true, the calculation schedule will follow wall clock
time, instead of UTC time.
If true, skips missed periods when the calculation
service has been turned of. If false, all missed
periods will be calculated in the next calculation
service start.
If true, the task will not run when the calculation
service is started.
Variable Sections for Calculations
Description
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