Omron NT - SUPPORT TOOL FOR WINDOWS V4 Operation Manual page 261

Graphs
248
<With data logging function but without background function>
Switching
the screen
Trend graph screen
Data logged
Previous data are re-displayed by pressing
The trend graph is drawn newly when the screen is switched back to the trend
graph display screen. However, it is possible to redisplay the past data drawn in
the trend graph previously by pressing a touch switch that has the function to dis-
play the past data. In this case, however, the data are not logged while a trend
graph is not displayed.
<With logging and background functions>
Switching
the screen
Trend graph screen
Past data are re-displayed continuously by pressing
Although the trend graph starts displaying new data when the screen is
switched back to the trend graph display screen, it is possible to display the
data of the period during which the trend graph was not displayed by pressing a
touch switch that has the function to display the past data.
S The trend graph element can control data sampling, display and other related
operations using the special touch switches shown below.
These touch switches execute their function only once when they are pressed.
Stop touch switch
Stops data sampling. Updating of a trend graph display is also stopped at the
same time.
While sampling is halted, the touch switch is lit.
If data sampling is executed by the background function, data sampling in the
background mode is also halted.
When the background function is not used, if the screen is switched back to the
trend graph display screen after halting data sampling and calling other screen,
the trend graph is redisplayed and logging restarts automatically.
Restart (Continue) touch switch
Restarts halted data sampling. At the same time, updating of the trend graph dis-
play restarts.
Returning
Other screen
Data not logged during this period
Returning
Other screen
Data is always logged
Section 6-9
Trend graph screen
(starts drawing a
graph newly)
Data logged
(page return
)
Trend graph screen
(page return)