Configuring on web

1. Log in to supLink web, and then click App Manage.
2. Under Base App, click Edit on Trend.

Parameter	Description
Default horizontal	Select whether to display trend chart horizontally on mobile by default.
QR code	Use supLink app to scan the code to access the application directly.
Visible range	Set the application visible range. Select roles to grant permissions when set Visible range to Part visible or Part invisible.
Select group	Select an app group for the application.
Default trend	Add trend to be default trend that shows on mobile.

3. Click Add trend, and then select the trend, click Setting.
4. Select attributes to display their value trend.
   info

   Trend set by admin will show on mobile supLink apps that do not have custom trend list configured.

5. Click Save.

Viewing Effect on Mobile

1. Install supLink mobile on your phone, start it and enter the supLink server address, tap Start.
2. Log in with the same account as supOS.
3. Under Base App, tap Trend, and you can see the trend list you added on web.
   info

   The Base App group name is set on web in Group Manage.

4. Select a trend.

No.	Section	Description
1	Hide/display trend	Click to hide or display the corresponding attribute trend.
2	Trend details	Displays the upper and lower limit of the trend chart, value unit and tag description.
3	Tag settings
4	Value range	Select to view current value trend or history value trend.
5	Time interval	Select the time interval for trend value update.
6	Custom interval	Manually set the time interval for trend value update.
7	Time range	Only available when viewing history trend. Set the time range to view the trend within that period.
8	Layout	Click to change the trend chart layout.

5. Go back to the list, and tap Add Trend Item at the bottom.
6. Set the trend name, and add attributes the way similar to web operations.

1. Tap Entity Template, and then select a template from which you want to select an attribute.
2. Select an instance, and then select an attribute.
   
3. Tap Selected, and then tap OK, the trend is added to the list.