Tips & Tricks

Articles

Use A Fixed Scale
In some cases you can use a fixed scale to facilitate an easy understanding of your data. Wind direction should for example in most cases be displayed on a fixed scale from 0-360. Relative humidity should likewise be displayed on a fixed scale from...
Filter out bad alarms
When setting alarms it is possible to delay the sending of the alarm message. This comes in handy when there is an unstable data file that imports error readings every now and then which goes outside the Alarm Threshold. For example: Data is being...
Alarm Deadband
The Alarm Deadband is used to prevent multiple alarm emails/messages when a variable is hovering around the Alarm Threshold. By default it is set to 2% meaning that after alarm is triggered the variable value must change 2% from the Alarm Threshold...
Dashboard - Cumulative Rainfall
To display cumulative rainfall in the VDV Dashboard follow these steps. 1. Create a graph component in your Dashboard. 2. Select your variable. 3. Find Data and change its setting from   Raw to   Cumulative .   Now the gr...
Dashboard - Iframes
Various web based material can be configured to be displayed alongside instrumentation data in the VDV Dashboard interface. Note: Make sure you give the Dashboard a name and an owner before inserting the iframes. Iframe examples include: - Google...
 Setting Up Alarm Attachments
About Alarm Attachments Alarm Attachments are configured for each site and give users a more in depth knowledge of changes in a variables preceding alarm notifications. Note: Alarm Attachments can not be configured for Cus...
Setting Up Custom Alarms
The Custom Alarm function in VDV lets you configure an alarm to be given if the average , rate of change or  sum   of a variable over a chosen time period exceeds , is equal to or   lower   than   the alarm limit c...
Creating a Real Time Display
To create a Real Time Display (RTD) in the VDV web interference go to Setup > Real Time Display . Create New RTD Then click the button in top-right corner to create a new RTD. You must give the new RTD an   name and assign it to ...
Alarm Limits on Graphs
It is simple to display the Alarm Limit for Variables.  The Alarm Limits are shown as horizontal lines on the graph, lowlow & highhigh are red and  low&high are yellow . Only one variable on the graph can have this option...
Skip NaN Alarms
To Access:  Setup-> Alarm If a NaN value is imported into the database then VDV will default issue a HighHigh Alarm. Possible it to configure each Site in VDV to not send this alarm out. Open Alarm Setup for selected Site At the bot...
Using Data Handling to get rid of Bad/Wrong data
There are many reasons why the wrong data or erroneous data ends up in the .dat files that is being imported into the VDV database. This tip shows how Data Handling can be used to take care of this problem. Open up the .dat files that is being imp...