Mitsubishi Electric Q26UD(E)HCPU User Manual page 142

No. Name
1) Module fixing hook
2) MODE LED
3) RUN LED
4) ERR. LED
5) USER LED
6) BAT. LED
7) BOOT LED
8) SD CARD LED
9) Serial number display
10) SD memory card slot
11) SD memory card lock switch
140
Hook used to fix the module to the base unit. (Single-motion installation)
Indicates the mode of the CPU module.
On: Q mode
Flash:
Executional conditioned device test is being executed.
External input/output forced on/off function is being executed.
CPU module change function with memory card is being executed.
CPU module data backup/restoration function is being executed (Automatic restoration is
being executed).
Indicates the operating status of the CPU module.
On: During operation with the RUN/STOP/RESET switch set to "RUN"
Off: During stop with the RUN/STOP/RESET switch set to "STOP"
When an error that stops operation is detected.
Flash: Parameters or programs are written with the RUN/STOP/RESET switch set to "STOP",
and then the RUN/STOP/RESET switch is turned from "STOP" to "RUN."
To turn on the RUN LED after writing the program, perform the following operations.
• Set the RUN/STOP/RESET switch in the order of "RUN"  "STOP"  "RUN".
• Perform reset with the RUN/STOP/RESET switch.
• Power on the programmable controller again.
To turn on the RUN LED after writing the parameters, perform the following operations.
• Perform reset with the RUN/STOP/RESET switch.
• Power on the programmable controller again.
(If the RUN/STOP/RESET switch is set in the order of "RUN"  "STOP"  "RUN" after
changing the parameters, network parameters and intelligent function module parameters
will not be updated.)
• On: Detection of self-diagnosis error which will not stop operation, except battery error.
(When operation continued at error detection is set in the parameter setting.)
• Off: Normal
• Flash: Detection of the error that stops operation.
When reset operation becomes valid with the RUN/STOP/RESET switch.
• On: Annunciator (F) turned on.
• Off: Normal
Indicates the battery status and latch data backup status of the CPU module.
• Flash (yellow): Battery error due to voltage drop of the CPU module battery.
• On (green): Turned on for 5 seconds after restoring of data backed up to the standard ROM
by the latch data backup is completed.
• Flash (green): Flashes when backup of data to the standard ROM by latch data backup is
completed.
• Off: Normal
On: Start of boot operation
Off: Non-execution of boot operation
• On (green): An SD memory card is being used.
• Flash (green): An SD memory card is being prepared or performing stop processing. Or,
logging processing has completed.
• Off: An SD memory card is not used.
Shows the serial number printed on the rating plate.
Slot for an SD memory card
Switch to disable access to an SD memory card during installation or removal of the card.
When the switch is pressed for over one second, the SD CARD LED flashes and then turns
on, disabling access to the card.
( Page 100, Section 4.6 (2))
Application