Delta DVP-0204520-03 - Manual (Page 42)

DeviceNet Network Scanner DVPDNET-SL
11 LED Indicator & Trouble-shooting
DVPDNET-SL supports two diagnostic methods: indicator diagnosis and digital displayer diagnosis.
DVPDNET
POWER
MS
NS
11.1 LED Indicator Diagnosis
„ POWER LED
LED status Indication How to correct
Off Power is abnormal. Make sure DVPDNET-SL is powered.
Green light on Power is normal. --
„ NS LED
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.
No correction is needed; check the digital indicator for
the error. Green light
blinking
No communication
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.
„ MS LED
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 --
Check the digital indicator and make sure the salve
information in the scan list is consistent with the salve
actually connected.
Red light
blinking
Some slaves encounter
communication error.
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.
DVP-PLC Operation Manual 39