Chapter 8 Option CardsMS300
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1. Broken communication
2. MAC ID test failure
3. No network power supply.
4. CMM-DN02 is off-line.
1. Make sure all MAC IDs on the network are
unique.
2. Check if the network installation is normal.
3. Check if the baud rate of the CMM-DN02 is the
same as that of the other nodes.
4. Check if the node address of the CMM-DN02
is illegal.
5. Check if the network power supply is normal.
No power supply or device is off-line
Check the power supply of the CMM-DN02 and see
if the connection is normal.
Switch the master PLC to RUN status.
1. Reset the CMM-DN02.
2. Re-power the AC motor drive.
1. See the fault codes displayed on the keypad and
find the causes.
2. Return the unit to the factory for repair if
necessary.
The CMM-DN02 is connecting with
the AC motor drive.
If the flashing lasts for a long period of time, turn off
the power to check if the CMM-DN02 and the AC
motor drive install correctly and are normally
connected to each other.