For
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Database
Logger Project
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Purpose
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To allow either rounding or truncation of all timestamps in records logged by database logging. This includes the Point, Alarm and Event Logging, SPC and Tracker.
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Default For
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Enable timestamp filtering field in the Parameters tab of the Logging Properties dialog box.
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Value
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Enter one of the following:
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A
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Rounds the timestamp up or down in milliseconds.
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-A
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Truncates the timestamp at milliseconds.
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Example
If a timestamp filter of 30000 is specified, the following timestamps will be logged as follows:
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Actual Timestamp
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Logged Timestamp
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3/1/99 12:22:37.730
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3/1/99 12:22:30.000
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3/1/99 14:37:24.102
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3/1/99 14:37:30.000
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3/1/99 23:59:51.107
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3/2/99 00:00:00.000
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If a timestamp filter of -30000 is specified, the following timestamps will be logged as follows:
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Actual Timestamp
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Logged Timestamp
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3/1/99 12:22:37.730
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3/1/99 12:22:30.000
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3/1/99 14:37:24.102
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3/1/99 14:37:00.000
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3/1/99 23:59:51.107
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3/1/99 23:59:30.000
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Default Value
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0
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