Mitsubishi Q2ACPU User Manual page 254

15. HARDWARE SPECIFICATIONS OF CPU MODULES
No. Name
(5) BOOT LED
(6) RUN/STOP key switch
LED display
(7)
(Q3A, Q4ACPU only)
Display reset switch (Q3A,
(8)
Q4ACPU only)
(9) Battery (A6BAT)
(10) Battery connector pin
(11) Memory card EJECT button Used to eject the memory card from the CPU module. (Refer to Section 18.7)
Memory card installing
(12)
connector
Memory card in/out switch
(with built-in LED)
(13)
System setting switch 1
(14)
System setting switch 2
(15)
ON: Execution of the boot operation is completed.
OFF: No boot operation has been executed.
RUN/STOP:Starts/stops sequence program operation.
L.CLR: Clears all data in the latch area (to "OFF" or "0") which is set with parameters.
Clears sampling trace and status latch registrations.
RESET: Resets the hardware. Resets and initializes operation when an operation error occurred.
Can display up to 16 characters.
Displays comments for errors detected in self-diagnosis, comments by LED display instructions, clock data by SET
SM212, or annunciator F number comments by SET F instructions.
Switch used to clear the current LED display. The next data is displayed, if any.
Backup battery for the built-in RAM and the power failure compensation function.
Used for connection of the battery lead wire.
(To prevent battery drain, the battery lead wire is disconnected from the connector before shipment. See Section
18.6.)
Connector for installing the memory card in the CPU module.
Used to enable/disable memory card installation or removal while the power is ON. Factory-set to OFF .
ON: Cannot be removed (LED lit)
OFF: Can be removed (LED unlit)
Refer to Section 15.3 (3) and (4) for installation or removal of a memory card.
Settings required to operate the CPU module are made. All switches are set to OFF before shipment.
SW1: Boot setting Setting of the memory used for operation.
ON: Boot operation
OFF: Boot operation is not performed.
SW2 to 4: Parameter area Setting of the memory in which parameters are written.
System Memory Card A
setting Built-in RAM
RAM
switch 1
SW2 OFF ON
SW3 OFF OFF
SW4 OFF OFF
SW5: System protect Prohibition of all writing and control directions to the CPU module.
ON: System protection enabled
OFF: System protection disabled
Settings required to operate the CPU module are made. All switches are set to OFF before shipping.
SW1: Not used. (Fixed to OFF.)
SW2: Peripheral protocol. Select the type of the peripheral device connected to the peripheral interface of the
CPU module.
(When accessing an ACPU on another station from a peripheral device for ACPU, set this switch to "ON".
The setting becomes valid immediately after switching.)
ON: Peripheral device for ACPU
OFF: Peripheral device for QnACPU
Application
Memory Card B
ROM RAM ROM
OFF ON OFF
ON ON OFF
OFF OFF ON
15 - 3
*SW2 to 4 are valid even if SW1 is OFF.