Mitsubishi 13J851, Руководство пользователя

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52
No. Name Function
(3) USER LED
ON : An error has been detected by the CHK instruction, or an
annunciator (F) has come ON.
(With Q4ARCPU, a message or the comment for the
annunciator is displayed on the LED indicator.)
OFF : Normal
Lamp flashing : Flashing when latch clear is performed.
(With Q4ARCPU, the message "L. CLR RDY" is displayed
on the LED indicator.)
(4) BAT.ALARM LED
Lamp ON : When a battery error is activated by a low voltage condition
at the CPU module and memory card battery.
Lamp OFF : Normal
(5) HOLD LED
Lamp ON : When the output hold mode is executing.
· Set with the bus switching module switch in redundant
systems.
· Set with the CPU module switch in standalone systems.
Lamp OFF : The output reset mode is executing.
(6) BOOT LED
Lamp ON : When boot operation is completed.
Lamp OFF : When boot operation is not being executed.
(7)
RUN/STOP key
switch
RUN/STOP : Sequence program operation EXECUTE/STOP.
L.CLR : Sets all data in the latch area (designated by parameter) to
"OFF" or "0". Also dears sampling trace and status latch
registrations.
RESET : Executes a hardware reset for operation error, and to
initialize operation, etc.
(8) LED display
16-character display
Display content includes comments for self-diagnosis errors, comments for
LED display instructions, clock data for SET SM212, and annunciator F-No.
comments for SET F, etc.
(9)
Display RESET
switch Clears the LED display content, displays the next data (when next data
exists).
(10) Battery (A6BAT) Battery for internal memory and power failure backup.
(11)
Battery connector
pin
For battery's lead wire connection. (To prevent wasted battery power
consumption, the lead wire is disconnected from the connector when shipped
from the factory.)
(12)
Memory card
EJECT button
Ejects the memory card from the CPU module.
(13)
Memory card "A"
installation
connector
(14)
Memory card "B"
installation
connector
Connectors for installing memory cards in the CPU module.