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As the name suggests this validation rule provides the facility to check the rate of continuous change (rise/fall) within a specified time period or span. The configuration part is almost similar to that of Rate of Change with one exception i.e. giving a timespan as shown below.
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<validationRuleSet validationRuleSetId="validationROCTimeSpantest1896" timeZone="GMT">
<rateOfChangeTimeSpan>
<rateofRiseFallDifferent>
<rateOfRise constantLimit="1.6667E-05"/>
<rateOfFall constantLimit="-1.6667E-05"/>
</rateofRiseFallDifferent>
<timeSpan unit="minute" multiplier="60"/>
</rateOfChangeTimeSpan>
<timeSeriesSet>
<moduleInstanceId>Validation-import</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>Q.m</parameterId>
<locationSetId>Meteo Stations</locationSetId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="hour"/>
<readWriteMode>add originals</readWriteMode>
</timeSeriesSet>
</validationRuleSet>
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Example
For this example, we take the rate of change (rise or fall of 0.1/hr) and timespan of 4 hr.
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