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Frequency data type
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The data type Frequency represents a rate of occurence per timespan.

The TDE data types for quantifiable data (numeric values with units of measure) are all stored as double and are handled similarly for template scripting.

Tip Tip

Since every quantifiable data type is stored as double, be sure to account for that when you test equivalency (for example, 1 may actually be stored as 0.999999). Either round off the values being compared, or use ranges for the comparison.

Units

  • Hertz or hz — default

  • RotationsPerMinute or rpm

Data from TDE defaults to the first unit listed for each data type. In the [Output] section, you can convert these values to the units you need:

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[Output]
EngineRPM(rpm) = input.EngineSpeed   # converts hz to rpm
Field length

The effective range of this data type is: 0 to 65,535 rpm

JavaScript conversion

When you use the optional [Script] section to insert your own JavaScript functions, access this data type as follows:

Constructor
JavaScript
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new Frequency({Unit:Value})
Available fields for (get,set)

You can access the valid units of measure as fields:

  • .Hertz

  • .RotationsPerMinute