Rockwell Automation 1758-RTU202 DataSite Software User Manual FRN 1.2 - Manual (Page 155)

Publication 1758-UM002D-EN-P - October 2010
DataSite Flow Configuration Utility (DS FloConfig) 155
5. To save the configuration to a file buffer on the PC, click Save.
The message, “Save successful” appears.
6. Click OK to close the message box.
7. Click Download.
The configuration is downloaded into the controller. At the same time,
the message, “Download successful” appears.
8. Click OK to close the message box.
Variables for Hourly Historical Records
This table shows the variables you can select for logging in the hourly
historical records.
TIP
The total number of hourly records is 1080 (36 x 30).
The rules of hourly historical records logged:
1. A record will be logged in every hour, giving a total of
24 records in a day.
2. Whenever a parameter is changed, a new hourly record
will be created. However, only one record is created
within an hour, and a total of six additional records in a
day.
Variable Description
av_P Hourly average value of pressure.
av_T Hourly average value of temperature.
av_DP/PI Hourly average value of differential pressure (AGA3), in H2O at
60 °F, or pulse input count per second (AGA7), in counts/s.
Density Average real relative density for the current hour.
Flow time Flow time for the current hour.
qvn Volume flow quantity of the last hour in base conditions.
qvf Volume flow quantity of the last hour in flowing conditions.
qm Mass flow quantity of the last hour.
EXT/Uncorrected
volume Hourly average of Flow Extension or Uncorrected Flow Volume.
Energy Reserved. The value is zero.