DeviceNet Network Scanner DVPDNET-SL 11 LED Indicator & Trouble-shooting DVPDNET-SL supports two diagnostic methods: indicator diagnosis and digital displayer diagnosis. 11.1 LED Indicator Diagnosis „ POWER LED „ NS LED „ MS LED DVP-PLC Operation Manual 39 DVPDNET POWER MS NS LED status Indication How to correct Off Power is abnormal. Make sure DVPDNET-SL is powered. Green light on Power is normal. -- LED status Indication How to correct Off No power or duplicate ID check has not completed 1. Make sure DVPDNET-SL is powered. 2. Make sure at least 1 node or more are communicating on the network.
Green light blinking No communication No correction is needed; check the digital indicator for the error. Green light on Normal operation -- Red light blinking Error in communication Check the digital indicator and eliminate the error. Red light on Network error; cannot check duplicate ID; bus-off (check the digital indicator) 1. Make sure all the devices have their unique node address. 2. Check the network for correcting media installation and baud rate. 3. Check if the node address of DVPDNET-SL is valid. 4. Check if the network power is normal. LED status Indication How to correct Off No power Make sure DVPDNET-SL is powered. Green light blinking The master is not configured.
Configure the scan list and re-download it to DVPDNET-SL. Green light on Normal operation -- Red light blinking Some slaves encounter communication error. Check the digital indicator and make sure the salve information in the scan list is consistent with the salve actually connected. Red light on Internal error 1. Check if the configuration is valid. 2. Re-power it. If the error still exists, send it back to the factory for repair.