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Adjusting the TV-MPCXP driver properties
TruVu™ M
PC Processor
CARRIER CORPORATION ©2021
Installation and Start-up Guide
All rights reserved
46
To set up Network Statistic trends
PREREQUISITE
To view Network Statistic trends, you must have a i-Vu® v6.5 or later system with the latest
cumulative patch.
To view the
Network Statistics
(page 38) as trend graphs, select the controller in i-Vu®'s navigation tree and go to
one of the following:
•
On the
Driver Properties
>
Network Diagnostics
>
Statistics
page, click a
Trend
link at the bottom of each
section.
•
Click the
Trends
drop-down button, select
Enabled Points
and then the graph you want.
You can define:
•
How the graph looks on the trend's
Configure
tab.
•
How you want trend samples to be collected on the
Enable/Disable
tab. See table below.
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.
Содержание TruVu MPC
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