YT Trend is the most commonly used Trend object. You may monitor the data value (Y-axis) based on the time interval (X-axis).
(1) Object Style
Configures the background color of the Trend object. The background indicates the object area except the data display and control bar.
Item | Description |
Color | Selects the object’s background color. You can select one from the 98 colors. |
(2) Trend Area Style
Item | Description |
Back. Color | Selects the graph’s background color. You can select one from the 98 colors. |
Initial Draw Type | Selects the method of drawing a graph at the beginning. If you select the Fixed Pen option, the new data will be updated on the side of the display base (right or left). If you select the Moving Pen option, the new data will be updated at the end of the latest pen’s location. Both options will draw the same graph. |
(3) Pen
In this tab, you can assign the tags to monitor in the Trend object. You may assign a maximum of 16 tags.
Item | Description | |
Tag Name | Assign a tag name to monitor. You can manually enter the tag name in the field or select the number button on the left to bring up the [Pen] window. | |
Addr | Assign the device address to be monitored. Select the data type and I/O device then press button to configure the detailed address. | |
Tag | Assign the tag to be monitored. You can manually enter the tag name or press the | |
Comment | Enter the detailed comment of the pen. This field must be filled in. The comment will be used instead of the tag name in the object’s legend. | |
Min Value | Enter the minimum value which will be displayed on the graph. If you do not enter a value, this field will be set as the minimum value of the tag. | |
Max Value | Enter the maximum value which will be displayed on the graph. If you do not enter a value, this field will be set as the maximum value of the tag. | |
Pen Color | You may set a pen color, from one of our 98 colors. | |
Color | You can set a pen color. You can choose one from the 98 colors. |
(4) Control Button
You can use the Trend mode control button to switch Trend mode between real-time an historical Trend. You can also analyze the past data by changing the time frame.
Item | Description |
Trend Mode | Switches the Trend mode between real-time Trend and historical Trend. |
Prev Frame |
Ex) A Trend with 2 minutes of ‘Display Time’ and the present time is 12:00:00 – 12:02:00. If you press the ‘Prev Frame’ button, the Trend displays the data of 11:58:00 – 12:00:00. |
Next Frame |
Ex) A Trend with 2 minutes of ‘Display time’ and the present time is 12:00:00 – 12:02:00. If you press the ‘Next Frame’ button, the Trend displays the data of 12:02:00 – 12:04:00. |
Decrease Interval (Zoom In) | When you press the button, the monitoring interval is cut into the half. In other words, this button is to monitor the data in detail. Ex) A Trend with 2 minutes of ‘Display time’ and the present time is 12:00:00 – 12:02:00. If you press the ‘Decrease Interval’ button, the Trend Time becomes 12:01:00 – 12:02:00. |
Increase Interval (Zoom Out) | When you press the button, the monitoring interval is doubled. In other words, this button is to monitor the data in a broader range. Ex) A Trend with 2 minutes of ‘Display time’ and the present time is 12:00:00 – 12:02:00. If you press the ‘Increase Interval’ button, the Trend Time becomes 11:58:00 – 12:02:00. |
Pen | Changes the pen to display the different minimum/maximum value. When you press the button, the min/max. value will change according to the order of the assigned pens. |
Trend Setup | You can configure items to show in the graph. Refer to the ‘(5) Trend Setup’ for details. |
(5) Trend Setup
Item | Description | |
Time | A base time shown in the historical Trend. | |
Time Width | The maximum value is 83 minutes. The actual time width cannot be smaller or 5000 times greater than the sampling time. | |
Pen | You may choose the pen to show in the graph by selecting its respective checkbox. | |
Min/Max Setting | Ref. Pen | Select a pen from the dropdown menu for setting the minimum/maximum value. |
Reset | Reset the ratio of the minimum/maximum value to default, which is the same as ‘Org Min./Max.’. | |
Org Min/Max | The initial minimum/maximum value of ‘Ref. Pen’ is displayed. If the numeric characters of minimum/maximum value exceeds 12 digits, the value will be displayed as a float. | |
Min/Max Ratio | Minimum/maximum value is converted into a percentage. ‘Min Ratio' can be assigned from 0 to 99%, and max ratio can be assigned from 1 to 100%. ‘Min Ratio’ cannot be equal or bigger than the 'Max Ratio’. This field is enabled when ‘Ratio Set’ is selected. | |
Zoom Min/Max | You can input the value to change ‘Org Min./Max.’. Each value cannot be smaller than ‘Org Min.’ or bigger than ‘Org Max.’. The field is enabled when ‘Value Set’ is selected. | |
Keyboard | By pressing either button, you may show or hide a virtual keyboard on the screen. |
‘Min/Max Setting’ feature is supported in XpanelDesigner versions 2.53 and above.
(6) Legend
Item | Description |
Display Tag Value | Select this option to display the current tag value. |
Show Date | Select this option to display the system’s date on the top-middle of the object. You may select one from the four formats: yy/mm/dd, dd/mm/yy, mm/dd, or dd/mm. |
(7) Grid
Item | Description |
Display Grid | Shows or hides the grid. |
X-Axis Grid No. | Assign the number of grids on the X-Axis. You can assign from 1 to 99 grids. |
Y-Axis Grid No. | Assign the number of grids on Y-axis. You can assign from 1 to 99 grids. |
Color | You may select the color of your grid from one of 98 colors provided. |
(8) Y-Axis Legend
Item | Description |
Display Min. Max. Value | Shows or hides the min/max value on the Y-Axis. |
(9) X-Axis Legend
Item | Description |
Display Time | Shows or hides the Xpanel’s time on the X-Axis. |
(10) Historical Touch Action Definition
You may activate a script by touching anywhere in the Trend when in historical mode. The script will be executed by specified priority. The touch option will not perform in real-time mode.
Item | Description |
Touch Action - Command | Check the box to have this option active when running the project. Write a command expression ,or a script, to activate by touching the Trend object. |
Priority | Assigns the priority of the script. The lowest priority is level 1, and the highest priority is level 10. |
Address | Input the address of the I/O device which is registered in the ‘I/O Devices’. You may select the data unit (Bit/Word). |
Tag Name | Enter the tag name which is registered in the Database. |
‘Historical Touch Action Definition’ function is supported in XpanelDesigner versions 2.53 and above.