38
No. Name
Application
6)
RUN/STOP key
switch
RUN/STOP :Executes/stops the operation of the sequence program.
L.CLR
:Sets the entire data of the latch area specified by the
parameter to OFF or 0. Clears the entry of the sampling trace
and the status latch.
RESET
:Executes the hardware reset operation and the reset at an
operation error occurrence, and initializes the operation.
7) Battery
(A6BAT)
Backup battery to be used for the internal RAM and the power failure
compensation function.
8)
Battery connector
pin
Used to connect the battery lead wire. (The lead wire is removed from the
connector at shipment in order to prevent battery consumption.)
9)
Memory card
EJECT button
Used to eject the memory card from the CPU module.
10)
Memory card
loading connector
This connector is used to load the memory card in the CPU module.
11)
Memory card
Load/eject switch
(LED equipped)
ON
This switch setting determines whether or not you can load/eject the
memory card during energizing. The factory default setting is OFF.
ON
:Loading is prohibited. (LED is lit.)
OFF
:Loading is allowed. (LED is turned off.)
These switches allow you to set the items for the CPU module operation.
The factory default setting of all switches is OFF.
SW5 :Boot setting. This switch allows you to select the memory for
operation.
ON :Boot
operation
OFF
:Boot operation is not performed
SW2 to 4 :Parameter area. These switches allow you to select the
memory into which to write the parameters.
Memory card
Internal
RAM
RAM ROM
SW4 OFF ON
OFF
SW3 OFF OFF
ON
SW2 OFF OFF
OFF
*SW2 to 4 are valid if SW5 is OFF.
12)
System setting
switches 1
ON
5
4
3
2
1
SW1 :System protect. Writing to the CPU module and issuing the control
instructions are prohibited.
ON
:System protect is valid.
OFF
:System protect is invalid.
These switches allow you to set the items for CPU module operation. The
factory default setting of all switches is OFF.
SW2 :Unused (Fixed to OFF)
13)
System setting
switches 2
ON
2
1
SW1 :Peripheral protocol. This switch allows you to select the type of
peripheral devices that are connected to the CPU module
peripheral interface.
(Set this switch to ON when you wish to access another stations
ACPU from the ACPU peripheral device. The setting becomes
effective as soon as you set the switch.)
ON
:Peripheral device for the ACPU
OFF
:Peripheral device for the Q2ASCPU
14) RS-422
connector Used to connect a peripheral device.