9 Troubleshooting
9-16
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (W505)
Precautions for Correct UsePrecautions for Correct Use
Even if communications are normal, values other than 0 may occur for the frame reception time-
out count and the number of CRC error frames received. Refer to EtherCAT Network Diagnostic
Procedure on page 9-4 to determine if the EtherCAT network is operating normally.
Slave Diagnostic and Statistical Information
The following are the items displayed for the slave diagnostic and statistical information.
Item Displayed information
Node Address|Network
configuration
EtherCAT network configuration of the project
Node Address Node addresses of the EtherCAT slaves
Port Name Port names of the EtherCAT slave input or output ports
Port names that are defined in the EtherCAT slave’s ESI file
• If no name is defined, Port A, Port B, Port C, or Port D is displayed. If there are
two ports, an input and an output port, i.e., Port A and Port B is displayed. The
input port which is the only input port is displayed first followed by the output
ports (some EtherCAT slaves have more than one output port).