Because these two model VK1100 and VK2100 are about to be discontinued，would switch to VK1100A and VK2100A instead.

And also add new high performance model VK1200 and VK2200.

The old project file made in VK1100 and VK2100 which won't be compatible with new model.

Add a new function 【Replace controller】in Configurator VK6000 version 3.2.312

In the page【Device】，select the controller and right click，would appear a drop-menu and you will see the new function 【Replace controller】

Replace rule：(Please reference the attached file)

VK1100 --> VK1100A

               --> VK2100A

               --> VK1200

               --> VK2200

VK2100 --> VK2100A

               --> VK2200