Link Overview shows the relations between devices/servers and panels of the entire project. The Link Overview is a block and line diagram. The block indicates a target panel or the device/server. The line indicates the link. The line with an arrow header indicates the link relationship.
There are two types of blocks in the link overview window: Target Panel Block and Device/Server Block.
The Target Panel Block includes application Name and supported link ports, such as C stands for COM port (C1 = COM1), E stands for Ethernet port. The Device/Server Block includes the device type.

To open the Link Overview, check the Link Overview menu item in the View menu. The following is an example of the Link Overview.

You can position the mouse over a target panel block, a device/server block, or a link to select the related item. With the selected item, you may do the following:

■ Open the properties dialog to set up item properties
Double-click the target panel block to open the General Setup dialog box to set up the panel application.
Double-click the link to open the Link Properties dialog box to set up the link.
Double-click the device/server block to open the Link Properties property sheet to select the device for the link.

■ Move the selected block
Left-click anywhere inside the selected block and hold down the button. When the cursor changes to , drag the mouse to move the selection to another area of the link overview window. It will "float" over the rest of the window, allowing you to position it wherever you want it to be. Release the mouse button to "let go" of the selection.

■ Shape the connection line
Position the mouse pointer over one of the points on the selected connection line, drag the point until the connection line is the shape and size you want.

■ Create a link
1. Position the mouse pointer over the point of the communication port. For example:

2. Drag the mouse to move the point to the communication port of another panel or device/server. For example:

3. Release the mouse button to bring up the Link Properties dialog box to set up the new link.

4. Press the OK button to accept the settings or press the Cancel button to cancel the operations. The following is an example of the new links between two panels.

The following table describes each icon in the Link Overview window.

Icon	Tool Tip	Description
	Add Panel Application	Add a new panel application, set up the panel type and application name in the pop-up property sheet.
	Add Link	Add a new link for the selected panel and set up the link properties in the pop-up property sheet. Only available when the target panel is the current selection.
	Add Device/Server	Add a new Device/Server.
	Refresh	Reload the current relations between panels and the device/server of the project.
	Show Relationship	Display lines with an arrow head to show the relationship between panels and the device/server.

You can right-click the target panel block in the Link Overview to get the pop-up menu with the following menu items:

Menu Item	Description
Add Link	Create a new communication link.
Delete Panel Application	Delete the panel application.
Panel Application Properties	Open the General Setup dialog box.

You can right-click the link in the Link Overview to get the pop-up menu with the following menu items:

Menu Item	Description
Insert Point	Add a point at the specified position.
Delete Point	Delete a selected point.
Delete Link	Delete the associated communication link.
Link Properties	Open the Link Properties dialog box of the associated communication link.

You can right-click the blank place in the Link Overview to get the pop-up menu with the following menu items:

Menu Item	Description
Add Device/Server	Create a new Device/Server
Add Panel Application	Create a new panel application.
Refresh	Reload the current relations between panels and device/server of the project.

You can right-click the Device/Server block in the Link Overview to get the pop-up menu with the following menu items:

Menu Item	Description
Remove Device/Server	Delete the selected Device/Server.
Device/Server Properties	Open the Link Properties dialog box