9-17
9 Troubleshooting
NJ/NX-series CPU Unit Built-in EtherCAT Port User’s Manual (W505)
9-2 Troubleshooting
9
9-2-4 Diagnostic and Statistical Information
Precautions for Correct UsePrecautions for Correct Use
• When you display the slave diagnostic and statistical information, first open a Sysmac Studio
project where the network configuration agrees with the actual network. If the network configu-
ration in the project does not agree with the actual network, the slave diagnostic and statistical
information is not displayed correctly. If a project where the network configuration agrees with
the actual network is not available, create a new project, make the network configuration in the
project agree with the actual network, and then display the slave diagnostic and statistical
information. Refer to the Sysmac Studio Version 1 Operation Manual (Cat. No. W504) for
information on building the network configuration.
• Sysmac Studio version 1.22 or higher is required to use the link lost counter.
Error Frames Number of error frames received on the EtherCAT slave’s input and output ports
Range: 0 to 254
• 255 or more is displayed if 255 or more error frames were received.
• When the diagnostic and statistical information is acquired twice or more, the
increase from the previous acquisition is displayed in parentheses on the right
of the number of error frames.
Example: When the number acquired at the previous acquisition was 6 and
increased 4: 10 (+4)
• Failed is displayed when the number of error frames cannot be acquired from
EtherCAT slaves for reasons such as absence of the relevant EtherCAT slave.
• You cannot acquire the slave diagnostic and statistical information when the
diagnosis/statistics log of the CPU Unit is in progress. If you click the Get But-
ton, Auto logging is displayed for the number of error frames. Note that if the
result of the previous acquisition was Failed, Failed will be displayed again.
Link lost counter Link OFF count detected on the EtherCAT slave’s input and output ports
Range: 0 to 254
• 255 or more is displayed if 255 or more error frames were received.
• When the diagnostic and statistical information is acquired twice or more, the
increase from the previous acquisition is displayed in parentheses on the right
of the link lost counter.
Example: When the number acquired at the previous acquisition was 6 and
increased 4: 10 (+4)
• Failed is displayed when the link lost counter cannot be acquired from Ether-
CAT slaves for reasons such as absence of the relevant EtherCAT slave.
• You cannot acquire the slave diagnostic and statistical information when the
diagnosis/statistics log of the Controller is in progress. If you click the Get But-
ton, Auto logging is displayed for the link lost counter. Note that if the result of
the previous acquisition was Failed, Failed will be displayed again.
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