Receiving & Installation 2-5MN1272CANopen Port The CANopen Port is a communication port specially designed for CANopencommunication. The CANopen Port connector is a 9 pin D sub type.The procedure to mount the communication modules is the following:1. Turn off the unit and disconnect input power cable.2. Remove the 2 screws (‘A’ in Figure 2-8) holding the rear cover.3. Remove the cover.4. Plug the module into the red connectors (‘C’ in Figure 2-8).Be sure the connectors are locked.5. Install the cover and the 2 screws ‘A’.6. Install the label shipped with the module in the area ‘B’ in Figure 2-8.Figure 2-8 Installing the Communication ModuleACBCANopen PortRS232/485 Port Printer PortATable 2-2 CANopen Port connector and pin assignmentPin Description1 Reserved2 CAN–3 Reserved4 Reserved5 Shield (RC)6 Ground7 CAN+8 Reserved9 +5VDCBattery Protector For panels with a battery, be sure to remove the red plastic insulator labeled“Remove, Battery Protection”. This is an insulator that prevents battery depletionduring shipment and storage.