Toshiba 6F8C0791, Manual

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3. Database Management
18
Report Data Processing of Power Factor Indicator Tags
Maximum, minimum and average values of power factor indicator tags of the PCS-DS process
tags are calculated in accordance with the following report calculation methods. When
calculating maximum and minimum values, select the set-phase calculation system or absolute-
value calculation system.
(1) Maximum value
Select and perform the set-phase calculation system or absolute-value calculation system for
each tag in accordance with the data processing system set up in the report database.
1) Set-phase calculation system
The maximum value on the + or - side of a phase is set up as the maximum value of the
phase.
2) Absolute-value calculation system
The maximum value of an absolute value is set up as the maximum value of the absolute
value.
(2) Minimum value
Select and perform the set-phase calculation system or absolute-value calculation system for
each tag in accordance with the data processing system set up in the report database.
1) Set-phase calculation system
The minimum value on the + or - side of a phase is set up as the minimum value of the
phase.
2) Absolute-value calculation system
The minimum value of an absolute value is set up as the minimum value of the absolute
value.
3) Average value
The average value of power factors is calculated.
Report Calculation Processing of Integrated-Value Tag
Make report calculations of hourly, daily, monthly and yearly data and save it in integrated-value
tags of the PCS-DS process tags and OIS/SVR internal process tags. Select and perform counter,
analog integration, operation-hour integration or halt-time integration for hourly data in
accordance with the tag type set up in the report database. Create hourly, daily, monthly and
yearly data by the following calculation methods regardless of the report calculation system
when the hourly data processing type is set up for counter, analog integration, operation-hour
integration or halt-time integration.