|
For |
Database Logger Project |
||
|
Purpose |
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. |
||
|
Default For |
Enable timestamp filtering field in the Parameters tab of the Logging Properties dialog box. |
||
|
Value |
Enter one of the following: |
||
|
|
A |
Rounds the timestamp up or down in milliseconds. |
|
|
|
-A |
Truncates the timestamp at milliseconds. |
|
|
|
Example If a timestamp filter of 30000 is specified, the following timestamps will be logged as follows: |
||
|
|
Actual Timestamp |
Logged Timestamp |
|
|
|
3/1/99 12:22:37.730 |
3/1/99 12:22:30.000 |
|
|
|
3/1/99 14:37:24.102 |
3/1/99 14:37:30.000 |
|
|
|
3/1/99 23:59:51.107 |
3/2/99 00:00:00.000 |
|
|
|
If a timestamp filter of -30000 is specified, the following timestamps will be logged as follows: |
||
|
|
Actual Timestamp |
Logged Timestamp |
|
|
|
3/1/99 12:22:37.730 |
3/1/99 12:22:30.000 |
|
|
|
3/1/99 14:37:24.102 |
3/1/99 14:37:00.000 |
|
|
|
3/1/99 23:59:51.107 |
3/1/99 23:59:30.000 |
|
|
Default Value |
0 |
|
|
|
|
Global parameters. |
