Commissioning the device 
  4.3 Parameter assignment for Comfort Panel 
Comfort Panels 
Operating Instructions, 07/2017, A5E36770603-AB 
153 
Configuring a communication connection 
If you have changed one or more IP addresses of controllers using the "Assign IP" function, 
you must then adapt the associated configured connections so that your device can 
communicate with the controller. You do this using the "Set Connection" function.  
●  The Control Panel is open. 
●  For HMI devices, the following applies: The project that runs on the target device is 
closed. 
●  For controllers, the following applies: 
–  The controller is of type S7-300, S7-400, S7-1200 or S7-1500. 
–  HMI access is allowed in the settings. 
–  The controller is in "STOP" state. 
●  Your system administrator has provided you with the necessary information. 
The communication connection can only be configured for S7-1200 and S7-1500 controllers. 
1.  Open the "Service & Commissioning" dialog using the "Service & Commissioning" icon. 
2.  Change to the "IP Config" tab. 
 
Button for changing IP address and device name 
Button for changing the configured communication connections