Hi5 controllermaintenanceHi5 Controller Maintenance Manual5. Controller Options5.1. Public IO Board (BD580; Terminal Block)5.1.2. ConnectorOn this page5.1.2. Connector5.1.2. Connector 5.1.2.1. Digital Input5.1.2.2. Digital Output5.1.2.3. Power Connector: CNP1, CNP25.1.2.4. CAN Communications Connector: CANS1, CANS2