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Siemens
Web Server OZW672... V6.0
CE1C5712en
Building Technologies
Trend functions
2015-10-13
The following information is displayed for a maximum of 5 Trends:
·
Name
·
Status
·
Query interval
·
Circular logging (length of the history window)
·
Bus load per Trend
The rolling trend is displayed at a maximum of 730 days, even if it is actually
longer.
The sum of the bus load for all active Trends is displayed below the table using the
"Current bus load" bar.
The red symbols in the Trend overview are buttons with the following functions:
Create or edit Trend
Generate trend graph
Start Trend recording
Import Trend definitions
Stop Trend recording
Export Trend definitions
Download Trend data
Delete Trend data and Trend
definitions
A Trend channel can have the following states:
Invalid
: Trend is state invalid as long as no data points are defined in Trend, e.g. in
delivery state or after deleting a Trend definition.
Process completed
: The Trend is in state "Process completed" as soon as data
points are defined that the Trend is stopped or not yet started.
Running
: The Trend is in state "In progress" if Trend recording is started.
Changing the field bus (LPB
ó
BSB) has a negative impact on the trend
definitions. After changing the field bus, delete the trend definitions and set them
up again.
8.2 Define
Trend
8.2.1 Define Trend via web
You define Trends on the Trend overview page.
1. Click the red pencil to create or edit a Trend. The
Edit
window opens.
2. Enter the Trend name.
Trend information
Buttons
Trend states
Notes