Gets period at which trend tag is being sampled.
Syntax
CSV_TrendX_GetSamplePeriod(iTrendNo)
#iTrendNo:
Number of trend tag to get sample period for.
Return Value
Sample period of specified Instant Trend (in seconds).
Note: This is not the same as the sample period specified in the trend tag configuration form (which is set to 1 sec). The sample period for a Instant Trend can be set dynamically at run time.