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MELSEC-Q
9 TROUBLESHOOTING
(c) H/W LED Information
Displays the LED illumination status of the QJ71DN91. (0: off, 1: on)
ERR: Indicates the "ERR" LED on status.
MS RED: Indicates the "MS red" LED on status.
MS GREEN: Indicates the "MS green" LED on status.
NS RED: Indicates the "NS red" LED on status.
NS GREEN: Indicates the "NS green" LED on status.
(d) H/W SW Information
Displays the switch setting status of the QJ71DN91.
NA: Displays the node number setting status.
MODE: Displays the mode switch status.