Chapter 8 Option CardsCP2000
8-17
NS LED
LED status Indication How to correct it?
OFF
No power supply or CMC-DN01 has
not completed MAC ID test yet.
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.
Green light
flashes
CMC-DN01 is on-line but has not
established connection to the master.
1. Configure CMC-DN01 to the scan list of the
master.
2. Re-download the configured data to the master.
Green light ON
CMC-DN01 is on-line and is normally
connected to the master
--
Red light
flashes
CMC-DN01 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. CMC-DN01 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 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.
MS LED
LED status Indication How to correct it?
OFF No power supply or being off-line
Check the power supply of CMC-DN01 and see if
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 CMC-DN01
2. Re-power AC motor drive
Red light ON Hardware error
1. See the error code displayed on AC motor drive.
2. Send back to the factory for repair if necessary.
Orange light
flashes
CMC-DN01 is establishing connection
with AC motor drive.
If the flashing lasts for a long time, turn off the
power and check if CMC-DN01 and AC motor drive
are correctly installed and normally connected to
each other.
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