Start/End Time Parameters

What are Start/End Time Parameters Settings

With Start/End Time Parameters Time Settings, the start date and end date of the Historian query are contained in 2 separated Alpana Parameter.
This means that the values can be changed at runtime using User interaction (filters, URL parameters).

*This is useful for letting users explore any time range in the Historian data.

How to configure

!To configure a parameter-based Historian query, use 2 Parameters containing start and end date. These 2 parameters can be updated separatly in the dashboard.

Use the panel on the left to select an existing Parameter from the dropdown list, or create a new Parameter using the shortcut button :

Hint
A recommended way to proceed is to :

1. Using a Datapicker with 2 columns one with the start date and the other with the end date.
   Make sure you widget is the Master Widget.
   Once a line is selected, the historian query will get data with the time period
   

Hint.
Defining relative time default selection in your parameter allow you to open the dashboard with default date (i.e. last week)