DEVICENET COMMUNICATION CARD
63-4528—04 80
There are 3 LED indicators on DEVICENET COMMUNICATION CARD. POWER LED displays the status of power supply. MS
LED and NS LED are dual-color LED, displaying the connection status of the communication and error messages.
POWER LED
LED status Indication Action
On Power supply in abnormal status.
Check the power supply of DEVICENET
COMMUNICATION CARD.
Off Power supply in normal status No action required
NS LED
LED status Indication Action
Off
No power supply or DEVICENET
COMMUNICATION CARD has not
completed MAC ID test yet.
1. Check the power of DEVICENET COMMUNICATION
CARD and see if the connection is normal.
2. Make sure at least one or more nodes are on the bus.
3. Check if the serial transmission speed of DEVICENET
COMMUNICATION CARD is the same as that of other
nodes.
Green light
flashes
DEVICENET COMMUNICATION CARD is
on-line but has not established connection
to the master.
1. Configure DEVICENET COMMUNICATION CARD to the
scan list of the master.
2. Re-download the configured data to the master.
Green light on
DEVICENET COMMUNICATION CARD is
on-line and is normally connected to the
master
No action required
Red light
flashes
DEVICENET COMMUNICATION CARD
is on-line, but I/O connection is timed-
out.
1. Check if the network connection is normal.
2. Check if the master operates normally.
Red light on
1. The communication is down.
2. MAC ID test failure.
3. No network power supply.
4. DEVICENET COMMUNICATION
CARD is off-line.
1. Make sure all the MAC IDs on the network are not
repeated.
2. Check if the network installation is normal.
3. Check if the baud rate of DEVICENET COMMUNICATION
CARD is consistent with that of other nodes.
4. Check if the node address of DEVICENET COMMUNICA-
TION CARD is illegal.
5. Check if the network power supply is normal.
MS LED
LED status Indication How to correct
Off No power supply or being off-line
Check the power supply of DEVICENET COMMUNICATION
CARD and see of the connection is normal.
Green light
flashes
Waiting for I/O data Switch the master PLC to RUN status
Green light on I/O data are normal --
Red light
flashes
Mapping error
1. Reconfigure DEVICENET COMMUNICATION CARD
2. Re-power VFD
Red light on Hardware error
1. See the error code displayed on VFD.
2. Send back to the factory for repair if necessary.
Orange light
flashes
DEVICENET COMMUNICATION CARD is
establishing connection with VFD.
If the flashing lasts for a long time, check if DEVICENET
COMMUNICATION CARD and VFD are correctly installed and
normally connected to each other.