9-1 Controller Link Network Diagnostic Tool
9-1-2 Diagnosing Network Status
9-1-2 Diagnosing Network Status
Description of Network Status
A list of the nodes participating in the specified network is displayed to show the
network status. The operating status of the CPU Unit or Controller Link Unit/Board is
diagnosed and information on any detected errors is displayed.
Diagnosis item Description
Network
participation status
Displays the nodes participating in the network using node icons. If a node file
has been selected, any differences between the nodes registered in the file
and the actual nodes will be displayed.
Displays errors that have occurred in the Controller Link Unit.
The node icons for nodes with errors are displayed with a red background.
Diagnosis is performed for the following errors.
Current Controller
Link Unit errors
• Data link table errors
• Routing table errors
• Network parameter errors
• Network parameter mismatches
• CPU Unit PLC Setup errors
• Model errors
• Fatal data link errors
• EEPROM write errors
Displays errors that have occurred in the CPU Unit.
The node icons for nodes with errors are displayed with a red background.
Diagnosis is performed for the following errors.
Current CPU Unit
errors
• Memory errors
• I/O bus errors
• System errors (FALS)
• Program errors
• Duplicate number errors
• CPU bus errors
• Too many I/O points
• I/O setting errors
• Cycle time too long errors
• Fatal Inner Board errors
• System errors (FAL)
• JMP errors
• Indirect DM BCD errors
• I/O verification errors
• Special I/O Unit errors
• CPU Bus Unit errors
• SYSMAC BUS/2 errors
• SYSMAC BUS errors
• Battery errors
• CPU Bus Unit setting errors
• Momentary power interruption errors
• Remove I/O errors
• Special Unit errors
• PLC Link errors
• Host Link errors
• Cycle time errors
• Special I/O Unit setting errors
• Inner Board errors
• PLC Setup errors
• Basic I/O Unit errors
• Interrupt task errors
• Duplex errors
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