Security Command R500 Spécifications Page 300

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13 – Configuring Reports
282 R400
D (History Standard Deviation)
Purpose
Used to calculate the standard deviation of history values of a point and to store
the standard deviation in a Free Format variable.
Format
D
Index
Point_ID Parameter Print_Format
[
History
Type(Offset) Repeat
]
Description
Index
The number (1-999) identifying report variable to store standard deviation.
Point_ID
Point name of the analog point.
Parameter
As described for entry type F. Only history parameters are permitted.
Print_Format
As described for entry type F.
[History Type],
[
Offset
],[
Repeat
]
As described for entry type F.
Example
D 2 SINEWAVE PV F8.2 H6M(10) 5
In the above example, five values of “6 minute history” for Point SINEWAVE
(offset 14 to offset 10) are retrieved. The standard deviation of these values is
stored in Index 2 and printed as a floating point number.
See Also:
Entries L and T.
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