The StrToTime cicode function converts
'time' values, passed as a string in the format hh:mm:ss, to
seconds. It is often used within the TrnSetSpan function to set the
span of a trend page. Prior to CitectSCADA Version 6, values of 24
hours and greater could be entered. In Version 6, the maximum time
value that can be entered is "23:59:59".
If you need the function to accept values greater than this then
use StrToPeriod instead. It works similarly except that you cannot
omit right-hand fields if they are 0. For example, 20 hours 0
minutes 0 seconds must be passed as "20:00:00", rather than just
"20" as could have been passed into StrToTime. StrToPeriod will
regard "20" to mean 20 seconds only. This is important to note as
the function TrendSetSpan (not to be confused with TrnSetSpan) in
Trend.ci in the Version 6.00 Include Project now uses StrToPeriod
rather than StrToTime. Accordingly, right-hand fields should not be
omitted if they are zero when being entered into the number pad
created by TrendSetSpan.
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