Concept
Trend Logs
A trend log is a collection of time-stamp values. In WebStation, you can create a trend log from a value.
Interval Trend Logs
The interval trend log collects data at a specific time interval. Each logged value is stored as a record in the trend log. Use this trend log when the logging interval is less than 1 hour.
For more information, see Interval Trend Logs .
Meter Trend Logs
The meter trend log is a variable triggered trend log with extra functionality to seamlessly handle consumption calculations independent of meter rollover or meter exchange.
For more information, see Meter Trend Logs .
Extended Trend Logs
You use an extended trend log to transfer records from a trend log. An extended trend log can be connected to a trend log or connected in a series to another extended trend log. Only one extended trend log can be connected to a trend log.
For more information, see Extended Trend Logs .
Log Record Storage
All trend logs use circular storing. How many records a trend log can store before overwriting old ones depends on the trend log configuration.
For more information, see Log Record Storage .
How Trend Logs Work
Interval Trend Logs
Meter Trend Logs
Extended Trend Logs
Log Record Storage
Manually Adding a Trend Log Record to a Trend Log