Chapter 11 DeviceNet Remote I/O Module AHRTU-DNET 11.4.2.1 Establishing the Connection between DeviceNet Builder and a PLC To make the normal communication between DeviceNet Builder and PLC CPU, the communication management software COMMGR should be set up first. Set up COMMGR as below: 1. Open COMMGR. 2. Click “Add” button to add a communication channel Driver 1 and set up the channel as follows. 11-19