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No.
Name
(3) USER LED
(4) BAT.ALARM LED
(5) HOLD LED
(6) BOOT LED
RUN/STOP key
(7)
switch
(8) LED display
Display RESET
(9)
switch
(10) Battery (A6BAT)
Battery connector
(11)
pin
Memory card
(12)
EJECT button
Memory card "A"
(13)
installation
connector
Memory card "B"
(14)
installation
connector
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.)
Lamp ON
: When a battery error is activated by a low voltage condition
at the CPU module and memory card battery.
Lamp OFF
: Normal
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.
Lamp ON
: When boot operation is completed.
Lamp OFF
: When boot operation is not being executed.
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.
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.
Clears the LED display content, displays the next data (when next data
exists).
Battery for internal memory and power failure backup.
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.)
Ejects the memory card from the CPU module.
Connectors for installing memory cards in the CPU module.
52
Function
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