Mitsubishi MELSEC-A Series Reference Manual page 310

10. TROUBLESHOOTING
(1)
(2)
(3)
(4)
Displaying ON/OFF status of inputs (X)
(a) Displays the ON/OFF status of inputs (X) sent from a remote I/O station to the
master station.
1) .........ON status
2) .........OFF status
(b) If the remote I/O station is online, the device numbers at the master station are
used for the display.
If the remote I/O station is offline, the device numbers at the host station are
used for the display.
Displaying ON/OFF status of outputs (Y)
(a) Displays the ON/OFF status of outputs (Y) sent from the master station to a
remote I/O station.
1) .........ON status
2) .........OFF status
(b) If the remote I/O station is online, the device numbers at the master station are
used for the display.
If the remote I/O station is offline, the device numbers at the host station are
used for the display.
Displaying link registers (W) for RFRP instructions
(a) Displays the data in the area set for data transmission from the host station to
the master station by link parameter setting.
Displaying link registers (W) for RTOP instructions
(a) Displays the data in the area set for data transmission from the master station to
the host station by link parameter setting.
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