Omron NX701-17 Series User Manual page 198

9 Troubleshooting
Cause and Assumed cause
correction
A slave that is in the network configu-
ration information is not connected.
There is a node address mismatch.
A different slave from the one that is
specified in the network configuration
information is connected.
A slave that is not in the network con-
figuration information is connected.
The hardware switches for the slave
node address were changed to a
value other than 0 after the Write
Slave Node Address operation was
performed from the Sysmac Studio.
The Ethernet physical layer is broken
between two slaves.
Attached None
information
Precautions/ If you add check items in the options for network configuration verification, check whether the items match.
Remarks
* "n" is 512 for an NX-series CPU Unit and 192 for an NJ-series CPU Unit.
9-28
Correction
Connect the slaves that are in the net-
work configuration information. Or,
connect the Sysmac Studio and set
and save the network configuration
information with the slave deleted in
the master.
Make the slave node address settings
consistent with the network configura-
tion information.
Connect the slave that is specified in
the network configuration information.
Or, connect the Sysmac Studio and
set and save the network configura-
tion information with the correct
slaves in the master.
Disconnect the slave that is not in the
network configuration information
from the network. Or, connect the
Sysmac Studio and set and save the
network configuration information with
the slave added in the master.
To use the value that is set on the
hardware switches, reset the error.
When the error is reset, there will be a
disagreement between the hardware
switches and the value that was writ-
ten from the Sysmac Studio. A Slave
Application Error (84280000 hex) will
occur and you must then reset the
error again.
If this error occurs when the slave is
disconnected or disabled, reset the
error first and then connect or enable
the slave. When you do, a Slave
Application Error (84280000 hex) will
occur. Reset the error again and then
connect or enable the slave.
To use the node address that was set
from the Sysmac Studio, set the hard-
ware switches to a node address of 0
and cycle the power supply to the
slave.
In cases not caused by the above
causes, confirm the location of the
break in the Ethernet cable and
replace the cable.
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
Prevention
Set and save the network configura-
tion information for the configuration
actually connected in the master.
To use the value that is set on the
hardware switches, reset the error.
When the error is reset, there will be a
disagreement between the hardware
switches and the value that was writ-
ten from the Sysmac Studio. A Slave
Application Error (8428 0000 hex) will
occur and you must then reset the
error again.
If this error occurs when the slave is
disconnected or disabled, reset the
error first and then connect or enable
the slave. When you do, a Slave
Application Error (8428 0000 hex) will
occur. Reset the error again and then
connect or enable the slave.
To use the node address that was set
from the Sysmac Studio, set the hard-
ware switches to a node address of 0
and cycle the power supply to the
slave.
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