3 Commissioning3.2 Take the field bus into operation30 SmartWire-DT Gateway EU5C-SWD-EIP-MODTCP 08/17 MN120003Z EN www.eaton.com3.2.1 Creating EthernetIP/Modbus-TCP field bus communicationThe green SWD LED on the gateway is used to indicate when the gatewayand the SmartWire-DT line are successfully communicating. This is a prereq-uisite for communications between the gateway and the PLC via the fieldbus.If the planned SWD configuration matches the target configuration stored onthe gateway, the Config LED will show a solid green lightYou will find the LEDs in ￫ Section “Table 28: LED SWD coordinator”, page97.▶ Use the PLC programming environment to load the application programinto the PLC.▶ Start the PLC.￫ If a monitoring time has not been set in the Modbus-TCP operat-ing mode and a Modbus connection was active beforehand, theMS LED on the gateway will continue to show a solid greenlight even after the Ethernet cables have been disconnected!￫ Changes to the project, to the modules, or to the parameterswill make it necessary to store the planned SWD configurationin the gateway once again.If the fieldbus protocol has been changed (EtherNet/IP or Mod-bus-TCP), the change will only take effect after the gateway isrestarted.
