Right-click the root System frame and select Properties.
The Properties dialog box appears.
In the System Reference tab, enter an appropriate name (GeneralSystem.Root, for example) and a cycle time of 150sec.
Right-click the first System tile and select Properties.
Enter an appropriate name (GeneralSystem.A, for example) for the system in the System Reference and System Instance tabs of the Properties dialog box.
In the same way, enter appropriate names for the other two systems.
Double-click Create a Product Flow .
Select the first System tile, then the second System tile.
The product flow is created between the two systems. This is symbolized by a blue arrow linking the two System tiles.
In the same way, create a product flow between the second and third systems.