Controlling Communication Channels with SAP CPS via PI/XI 
You configure SAP CPS to control communication channels by creating a user in the NetWeaver AS JAVA with the required authorizations and use this user in SAP CPS to connect to the SAP instance via the PI interface.
Note
If you have the Free of Charge license, you cannot use a same SAP System to connect to two or more of the following interfaces: JXBP, XBP and PI.
When you create or edit an SAP System, the required services are added automatically to the process server, so there is no need to change services on a process server.
Prerequisites
You switched to external control in the .
You created a user in NetWeaver, in Visual Administrator for example, and assigned the xi_af_channel_admin_display and xi_af_channel_admin_modify roles to the sap.com/com.sap.aii.af.app*AdapterFramework application for the user.
Procedure
Configure SAP CPS to control the communication channels:
Navigate to
Environment → SAP System 
.Choose Edit from the context menu of the SAP System.
On the J2EE tab, select PI and enter the username and password of the user you created previously in SAP NetWeaver.
Choose Save & Close.
Navigate to
Environment → Process Servers and restart the process server belonging to the SAP instance.