Mitsubishi Electric MELSEC iQ-R Series User Manual page 110

Precautions for using network diagnostics
• The network diagnostics (test function such as the network test) of the own station cannot be performed when an item other
than "Not Specified" is set in "Specify Redundant CPU" on the "Specify Connection Destination Connection" window of the
engineering tool in a redundant system. Perform diagnostics by directly connecting the engineering tool to the target
system (control system/standby system/system A/system B) and setting "Specify Redundant CPU" to "Not Specified".
• The network diagnostics (test function such as the network test) of the own station cannot be performed when an item other
than "No Specification" is set in "Other Station Setting" on the "Specify Connection Destination Connection" window of the
engineering tool.
4 TROUBLESHOOTING
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4.3 Checking the Network Status