7 ． EtherNet/IP Connection Procedure Precautions for Correct Use If you change the IP address and the subnet mask during the operation of Robot, the changed addresses are applied after power cycling Robot and Robot Controller. 18 3 Start ACE on Personal computer. 4 ACE starts. Select Connect To Controller in the Getting Started Dialog Box. 5 The IP address of Robot Controller (172.16.127.103 in this example) is displayed in the Selected Controller IP Address for Connect To Controller. Click (Detect and Configure Adept Controller).