Product Features
How to count tags
GENESIS64™ Basic SCADA
Data to be used for displaying alarm conditions and screen/table need to be defined as asset tag on AssetWorX™.
Number of asset tags are defined during configuration of the tag database in AssetWorX™. Counting method of tags differs according to building method of asset tags.
To assign an asset tag to display “average temperature of room 1 and 2” (when calculating the average temperature of room 1 and 2 in the programmable controller outside the SCADA), the following three tags are necessary: “room 1 temperature”, “room 2 temperature”, and an expression for “average temperature of room 1 and 2”.
To assign a defined formula to calculate “average temperature of room 1 and 2” on the display, two asset tags “temperature of room 1” and “temperature of room 2” are necessary.
All tags are counted at a start of a server according to the configuration of the AssetWorX™ tag database.
Tags are counted at the timing of server starting, the number of clients being accessed will not affect the number of tags counted.
Both asset tags and Hyper Historian™ tags are counted.
GENESIS64™ Advanced
Tags are counted in runtime at the start of reading from/writing to external data sources. GENESIS64™ Advanced stops counting (releasing tags) upon completion of reading from/writing to external data (e.g. closing a screen).
When viewing the same screen, the total number of tags on one screen are counted. When accessing other screens, the total number of tags on accessed screens are counted.