Carrier TruVu VVTBP-E2, Руководство по установке и запуску

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Adjusting the TV-VVTBP-E2 driver properties
TruVu™ VVTBP -E2 ©2022 Carrier.
Installation and Start-up Guide All rights reserved.
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Field Notes
Sample every _:_:_ (hh:mm:ss) (Recommended method) To record the value at a regular time interval, enter
hh:mm:ss in this field.
Sample on COV
(change of value)
To record the value only when the value changes by at least the amount of
the
COV Increment , set the Sample every field to 0:00:00 and enter a value
in the COV Increment field.
Max samples Network Statistic trends have a non-configurable maximum trend log buffer
size of 1440.
NOTE Trending consumes memory in the controller. Click Reset to delete all
samples currently stored in the controller.
Stop When Full Check this field to stop trend sampling when the maximum number of
samples is reached.
Enable trend log at specific
times only Collects trend data for the specific period of time you define in the time and
date fields.
Enable Trend Historian Archives trend data to the system database.
Store Trends Now Writes all trend data in the controller to the system database without having
to enable trend historian.
Write to historian every __ trend
samples Writes all trend data in the controller to the system database each time the
controller collects the number of samples that you enter in this field. This
number must be greater than zero and less than the number entered in the
Max samples field. The number of trends specified must be accumulated at
least once before the historical trends can be viewed.
NOTE Any trends not stored in the historian will be lost if the controller loses
power.
Trend samples accumulated
since last notification Shows the number of samples stored in the controller since data was last
written to the database.
Last Record Written to Historian Shows the number of trend samples that were last written to the database.
Keep historical trends for __
days This is based on the date that the sample was read. Select the first option to
use the system default that is defined on the
System Options > System
Settings > General tab. Select the second option to set a value for this trend
only.