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4 TROUBLESHOOTING
4.3 Checking the Network Status
Network map
■Icon
The module type and station number are displayed with an icon.
*1 When a stop error occurs in the CPU modules of both systems, both systems are displayed as the standby system.
When a redundant system of redundant line is configured, since the networks of system A and system B are
wired in the same way, the configuration of either system is displayed on the network map.
• Click: Selection
• Right-click: Test or debug execution.
• keys on the keyboard: Move the
focus to the module to be diagnosed, and determine
it with the key.
No. Description
(1) Indicates the station (own station) where the engineering tool is connected.
(2) Displays the station type and station number. "?" is displayed when a station number has not been set.
When the background of the text if colored, the relevant station may have been set as a reserved station or an error invalid station. Click the [Legend]
button to check the meaning of the background colors.
When the networks contain a redundant system (excluding redundant line), one of the system statuses below is displayed for the stations in a
redundant system.
• Control/Standby: Displayed for the stations of the control system and standby system.
*1
• A/B: Displayed for system A and system B stations.
(3) Displays module status. Click the [Legend] button to check the meaning of the icon.
When the "Error (Illegal ring connection detected/Execute loopback)" icon is displayed, take actions displayed in "Troubleshooting" of "Error details".
( Page 237 When a station where an error has occurred is selected)
(4) Displays a port to which an Ethernet cable is connected.
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