Open at the "Library" view the "Periphery" tab and open "sercos III". Drag and drop the currently added cifX device to the sercos network on the left side.
Open the device and click on the appearing module. Now the module view in the middle appears.
Switch to the tap "SERCOS III Module I/O Mapping". Check "Always update variables".
Right click on the controller and select "switch online" acknowledge all appearing dialog boxes with okay.
A appering "Adjustment of sercos Device Configuration" has to be done. Just change the address in Project within this menu.
Now "Login" to controller. Acknowledge all appearing dialog boxes with okay.
Now the communication state is P2. Just switch the controller to P4 (CP4).