Mitsubishi Electric MELSEC Q Series User Manual page 78

(3) Loop test
The operating states of connected remote stations are checked on the window.
Normally operating stations and abnormal stations are shown in "blue" and "red" respectively
(a) Operating procedure
Open the testing window in GX Developer.
Click the
● In the CC-Link/LT, "Reserved", "Invalid" and "Unused" stations are not displayed.
● If the station number is duplicated, the operating status may be displayed in "white".
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[Diagnostics] [CC-Link / CC-Link/LT Diagnostics]
button to make test on all of the connected stations.
Check the station number and the number of occupied stations for the remote station displayed in "white", and make the
correct setting to eliminate the duplication.
search engine
button