Delta C2000 Series User Manual page 170

LED status
No power supply or CMC-DN01 has
Off
not completed MAC ID test yet.
Green light CMC-DN01 is on-line but has not
flashes established connection to the master.
CMC-DN01 is on-line and is normally
Green light on
connected to the master
Red light CMC-DN01 is on-line, but I/O
flashes connection is timed-out.
1. The communication is down.
2. MAC ID test failure.
Red light on
3. No network power supply.
4. CMC-DN01 is off-line.
MS LED
LED status
Off No power supply or being off-line
Green light
Waiting for I/O data
flashes
Green light on I/O data are normal
Red light
Mapping error
flashes
Red light on Hardware error
Orange light CMC-DN01 is establishing connection
flashes with AC motor drive.
Chapter 8 Optional Cards
Indication
Indication
8-31
How to correct it?
1. Check the power of CMC-DN01 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
CMC-DN01 is the same as that of other nodes.
1. Configure CMC-DN01 to the scan list of the
master.
2. Re-download the configured data to the master.
--
1. Check if the network connection is normal.
2. Check if the master operates normally.
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 CMC-DN01 is
consistent with that of other nodes.
4. Check if the node address of CMC-DN01 is
illegal.
5. Check if the network power supply is normal.
How to correct it?
Check the power supply of CMC-DN01 and see of
the connection is normal.
Switch the master PLC to RUN status
--
1. Reconfigure CMC-DN01
2. Re-power AC motor drive
1. See the error code displayed on AC motor drive.
2. Send back to the factory for repair if necessary.
If the flashing lasts for a long time, check if
CMC-DN01 and AC motor drive are correctly
installed and normally connected to each other.