Log Trend records data and displays it as a graph. You may display the pen individually. The ability to store the data as a CSV file is possible.
*Historical mode is not supported.
(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. | |
button to select the tag.(4) 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. |
(5) Y-Axis Legend
Item | Description |
Display Min. Max. Value | Shows or hides the min/max value on the Y-Axis. |
(6) X-Axis Legend
Item | Description |
Display Time | Shows or hides the Xpanel’s time on the X-Axis. |
(7) Log Option
Item | Description |
Buffer | Assign the number of data to be displayed on the object. Each pen’s data will be displayed according to the value assigned in this field. You may assign the value from 2 to 800. |
Sampling | Indicates the sampling method. If you select Periodic, the data will be updated according to the assigned sampling interval. If you select Trigger, the data will be updated when the assigned tag value changed from zero to a non-zero value. |
Sampling Interval | This field will be enabled when you select the Periodic option. The interval unit is 100ms and you may assign a value from 1 to 65535. |
Trigger Tag | This field will be enabled when you select the Trigger option. You may assign a tag or an address which will cause operation. Press the |
Screen Control Tag | Assign a tag to control the Log Trend. 0: Allows data logging and initiates trend operation. 1: Stops data logging and ceases trend operation. 2: Initializes the data logging and trend operation. The data logging and trend operation will be cease after the initialization. |
Data Point | Configures the size of the data point. You may assign the value from 0 to 1024. |
Using Multi-Channel | Select this option to individualize the graph pen by pen. The topmost graph displays the data of pen 1.  |
Draw Border | Shows or hides the border of the graph. |