Installation and Commissioning

Troubleshooting Tools2.12 Profibus-DP, DSQC352PROFIBUS ACTIVENSMSCAN TxCAN RxPOWERX5X20ProfibusX3DSQC 352 ABB Flexible AutomationBus status LED’sProfibus activeNSMSCAN TxCAN RxPowerDesignation Colour Description/RemedyProfibus active Green Lit when the node is communicatingwiththe master. If no light, check systemmessages in robot and in Profibus net.NS/MS Green/red See section 2.14.CAN Tx/CAN Rx Green/red See section 2.14.POWER, 24 VDC Green Indicates that a supply voltage ispresent, and has a level above 12 VDC.If no light, check that voltage is presentin power unit.Check that power ispresent in the power connector. If not,check cables and connectors. If poweris available at the unit but the unit doesnot function, replace the unit24 Product Manual