3 Commissioning3.1 Take system bus into operationGateway XN-312-GW-CAN 06/16 MN050003-EN www.eaton.eu 43Figure 27: Device operation with and without config checkImport the target configuration in the following cases:• Initial Commissioning• Replacement of a defective module• When there is a change in the I/O slice module layout in the systemblockThe online and real-time functions featured by the XN300-Assist programoffer a wide range of options for displaying and diagnosing the system bus,even without an active PLC ￫ Section “3.5 XN300-Assist”, page 48.3.1.1.2 Switching on when the target configuration is storedIf a target configuration is already stored on the gateway, DIP switch 9 canbe switched to the "ON" position while the gateway is being powered on.The gateway will then check the connected modules when booting up. Oth-erwise, the current actual configuration will be used to overwrite the previ-ously stored target configuration ￫ Section “3.3 LEDs on the device”, page45.NOTICEIf the gateway is run with the config check function disabled,only the modules up to the device that has dropped out will beassigned an address and stored. It will not be possible to usethe remaining modules until the defective module is replacedand the configuration is imported again.
