The catalogue of every built-in widget by category, what each one needs as data, the settings every card shares, and how to add one to a board.
A widget is the kind of card you place on a board. Hermetry ships a catalogue of built-in widgets, the IoT modules add their own, and your organisation can create more (see Your own widgets). This page lists them all and explains the settings every card has. The pages under Card types describe each family in depth.
The catalogue
The Add widget picker has the tabs All, Favorites and My widgets, a search box (Search widgets…) and the categories below. Star a widget with Add to favorites to find it again.
These four appear only when your organisation uses the SCADA and 3D modules of the IoT add-on. When a module is turned off, its cards stay on the boards, keep their settings and show a “Widget not available” card (“This widget is no longer available — its module may be disabled, or you may no longer have access.”). Turn the module on again and they draw as before.
Add a card
Open the board and select Customise.
Select Add widget and pick a widget.
In the settings drawer, open the Data tab and choose where the values come from. Until then the card says, for example, “Bind a data series in this widget’s settings.” See Data sources and parameters.
Set the Title. A title may show a parameter with {{param_<key>}}, for example Pump {{param_device}}, which reads as the chosen device’s name.
Select Save. Then select Done to leave Customise.
The settings drawer
The drawer has tabs. Which tabs show depends on the widget.
Tab
Holds
Card
Title, subtitle, title icon, help text, card style (Raised, Flat, Outline, No frame), inner spacing, background, card buttons, small screens
Data
The data sources of each slot, the time window, the refresh interval, what to show with no data or old data, the script (under Advanced: compute the values with a script)
Display
The widget’s own look: series, axes, ranges, layout, colours
Behaviour
What happens on a click (actions), control feedback texts
Settings marked advanced are hidden under Advanced settings. The drawer’s Save keeps the card; Cancel asks “Discard unsaved changes?” when you changed something. Save as widget… saves the card as a reusable widget in your library.
Settings every card has
Setting
Values
Default
Card buttons
Full screen, Download data (CSV), Refresh now
Full screen for cards with data. With CSV on, an Excel button appears beside it.
Refresh every (seconds)
A number, or Off
The board’s Refresh every (seconds), else none
When there is no data
Your text
“No data”
Show last update
Off, “2 min ago”, a time, a date, date and time
Off
Data is old after (seconds)
0 to 604,800; 0 = never
0
When data is old
Show an “Old data” badge, Fade the card and show the badge, Show the no-data message
Badge
Show the time window on the card
Lets viewers pick a window for this card only (never saved)
Off
Hide on small screens, Hide on large screens, Order on small screens, Height on small screens (px)
Phone layout
Off, grid order, automatic
Number values also have a Value format: Unit, Decimals (0 to 10), Unit position and Large numbers (1,250,000 or 1.25M).
Troubleshooting
The card says
Do this
“This card is not finished: choose its … in its settings.”
A required data field is empty. Open the settings and fill it.
“Choose a value in the filters above to load this widget.”
The card follows a parameter that has no value yet. Pick one in the filter bar.
“You may not see the data of this card.”
You lack the read permission for that data. Ask an administrator.
“Not refreshed”
Too many requests: the card shows the last data and asks again shortly.
“Widget not available”
Its module is off or you lost access. Remove from board removes the card.
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