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Use the rain component to show an analog value accumulation. The rain component shows a running total accumulation change over time. The time intervals are fixed at 1 hour, 6 hours, 24 hours and each day for 30 days. Alarms can be enabled for these time periods. The EvView time should be close to your computer's time. The rain button calculates rain rates using the computer clock. To get accurate rain rates, the computer needs to be on monitoring the EvView sensors.
To add a rain button to the current form, click on the Add Rain Button on the display tab of the toolbar. The rain button shows the current rain accumulation for 1 hour, 6 hour, 24 hours, or 30 days. Clicking on the rain button displays rain-graph summaries. The list is the memo display of all the summaries. The rain graph is closed when editing and other forms are opened. The rain initialization file name is RateRain1.evt.
Rain Buttons
Open the rain graphs by clicking on a rain button
Close the rain graph by clicking on the graph or X button
Rain list showing one hour, six hour, 24 hour and 30 rain totals
Print or save the memo, click File | Save or File | Print
Rain Alarms
The rain button can also be configured to activate alarms based on accumulation. You can set low and high alarms for each time period (1 hour, 6 hours, & 24 hours). If the rain accumulation exceeds any of these values and the alarm is enabled, a system alarm will be triggered. The system alarm logs the alarm in the current and historical alarm log. You can configure the type of alarm action needed (log, blink, show, sound, message).
The rollover is used for systems where the accumulator value rolls over when counting up. If the value is -1, the roll over is ignored or disabled. ALERT systems use a roll over value of 2047.
To reset the rain values to zero, select the ResetRate to yes and press update. You can not undo a reset action. The next value received will be the starting accumulator value. Rain data received is stored in rate files, in the data folder. The accumulative file is named Rate-Name.evt in the project folder.
The multiplier (Mult.) property can be set to 0.03937, 0.01, or 1 to make engineering units.
Rain Button property screens
No Special TagName Properties.
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