您可以配置扩展趋势日志的属性,以满足站点的特有需求。
在 WorkStation 的 系统树 窗格中,选择想要配置的扩展趋势日志。
在 文件 菜单中,点击 属性 。
在属性对话框中,点击 基本 标签。
编辑基本属性:
Component |
Description |
Monitored trend log |
Enter the path to the trend log you want to transfer records from. |
Unit |
The unit of an extended trend log created from the trend log wizard at the same time as the connected trend log inherits the unit of measurement from the connected trend log. The unit of an extended trend log that is manually connected to a trend log needs to be manually configured to use the same unit of measurement as the connected trend log. |
Smart log |
Select True to optimize the transfer of the monitored trend log to the extended trend log. |
Threshold |
Select the percentage threshold at which the trend log transfers its records to the extended trend log. |
Maximum transfer interval |
Select the maximum length of time that can pass between transfers from the monitored trend log to the extended trend log. |
Transfer trigger variable |
Enter a trigger variable to force a transfer of all records from the trend log to the extended trend log, for example, to generate a complete report. 有关更多信息,请参阅 扩展趋势日志 . |
Log size |
Select the number of records to store before old records are overwritten, including internal records generated by the trend log. 有关更多信息,请参阅 日志记录存储 . |
Include in report s |
Select True to include the extended trend log data in reports. |
点击 仪表信息 标签。
查看仪表属性:
Property |
Description |
Is meter log |
Displays True if the trend log meter function is active. 有关更多信息,请参阅 仪表功能 . |
Meter change time |
Displays the time when the meter was changed. |
Meter change user |
Displays the name of the user account that changed the meter. |
End time |
Displays the time when the old meter was replaced. |
End value |
Displays the value the old meter had when it was replaced. |
Start time |
Displays the time when the new meter was installed. |
Start value |
Displays the value of the new meter when it was installed. |
Meter constant |
Displays the constant of the new meter. If the meter counts in kilo (10 3 ), the constant is 1000. |
Min value |
Displays the first value of the new meter after roll-over. |
Max value |
Displays the last value of the new meter before roll-over. |
仪表属性仅在连接的趋势日志的仪表属性激活时可用。
点击 确定 。