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YT Trend is the most commonly used Trend object. You may monitor the data value (Y-axis) based on time (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.

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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 (blue star) button to select the tag.

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.

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Item

Description

Trend Mode

Switches the Trend mode between real-time Trend and historical Trend.

Prev Frame

  • Displays the previous 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

  • Displays the 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

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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

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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

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Item

Description

Display Min. Max. Value

Shows or hides the min/max value on the Y-Axis.

(9) X-Axis Legend

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Item

Description

Display Time

Shows or hides the Xpanel’s time on the X-Axis.

(10) Historical Touch Action Definition

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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.