Mitsubishi Electric MELSEC iQ-R04ENCPU, User Manual

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4 TROUBLESHOOTING
4.3 Checking the Network Status
Diagnostics window
Item Description
Select
Diagnostics
Destination Module Displays the master/local module being diagnosed.
[Change Module] button Allows to change the target module when multiple master/local modules are mounted.
However, when multiple master/local modules of the same network number are mounted on the same
base unit, the module with the smallest start I/O number is always diagnosed, regardless of setting.
Select Station Selects the station number of the station to be diagnosed.
A station to be diagnosed can also be selected by clicking the module icon displayed in the network map.
Monitor Status [Start Monitoring] button Starts monitoring of the CC-Link IE Field Network diagnostics.
[Stop Monitoring] button Stops monitoring of the CC-Link IE Field Network diagnostics.
[Update] button
*1*2
• When the firmware version of the master station is "05" or later: Executes the network map update to
match them if the actual network configuration and network map of the diagnostic window are
inconsistent. A data link error may momentarily occur in all the stations and outputs of the connected
slave stations may turn off since all stations on the network will be reconnected when executing the
network map update. Set output data if needed. (

MELSEC iQ-R Ethernet/CC-Link IE User's
Manual (Startup))
• When the firmware version of the master station is "04" or earlier: Deletes a disconnected station
displayed in the network map. The deleted station is displayed in the disconnected station monitor
area.
[Legend] button Displays the meaning of icons displayed in the CC-Link IE Field Network diagnostics.
St. Info The display name of the slave station can be selected from "By Device Name" and "By Station Type".
When "By Device Name" is selected, the information entered in "Alias" of "Network Configuration
Settings" under "Basic Settings" is displayed.
When selecting "By Device Name", pay attention to the following.
• When "Alias" is not entered in "Network Configuration Settings" under "Basic Settings", the station type
is displayed.
• When "Submaster Parameters" of "Basic Settings" is set to "Operate with Parameter of Host Station" in
the project of the submaster station and the submaster station starts to operate as a master operating
station, the device name entered in "Network Configuration Settings" under "Basic Settings" of the
submaster station is displayed. (The station type is displayed when the device name is not entered.)
• When "Submaster Parameters" of "Basic Settings" is set to "Read Parameters of the Master Station" in
the project of the submaster station and the submaster station starts to operate as a master operating
station, the station type is displayed.
Network map Disconnected station
monitor area