FX16 Master Controller Technical Bulletin 95
Data Trend Logging
You can configure the FX16 Master Controller to record data samples
from within the control application at defined intervals. The sample
interval is defined for each variable. You can set the sample interval
from every minute to once per day.
LP-FX16D and LP-FX16X (Not Rev. A) Models
The LP-FX16D and LP-FX16X (not Rev. A) models can trend
16 variables with up to 2,000 samples each. Therefore, these models can
trend 16 variables at 15 minute intervals for 20 days.
LP-FX16X Rev. A Models
The LP-FX16X Rev. A models have an extended memory allocation of
4 MB for the trend log. These models can trend 40 variables with up to
10,000 samples each. Therefore, these models can trend 40 variables at
15 minute intervals for 100 days.
You can view the trend data for each variable in a text format on the
integral or remote user interface within a specified time range.
You can also view the trend log buffer from a Web browser. You can
then copy and paste the trend information into a spreadsheet application,
such as Excel, for further processing and electronic storage. The trend
logs can also be transmitted at regular intervals from one hour to every
day via the telephone modem connection to an e-mail server. The FX16
generates a system event message if the trend buffer is not configured in
the circular recording mode and the buffer becomes full.
You can control the trend logging of each variable by a logic variable so
that trending only occurs during certain times of the day or week or
when a particular equipment status or alarm exists.
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