Omron CJ2 User Manual page 84

3 Nomenclature and Functions
Memory Card Indicators
The status of a Memory Card mounted in the CJ2 CPU Unit can be checked with the indicators in the
middle of the front panel of the Unit. The following table describes these indicators.
Indicator
MCPWR Green
BUSY Yellow
DIP Switch
Pin no.
SW1 Used to prevent programs from being
accidently overwritten from Program-
ming Devices (including the CX-Pro-
grammer).
SW2 Set to ON to read the program
(AUTOEXEC.OBJ file) and parameter
area (AUTOEXEC.STD file) from the
Memory Card to the CPU Unit when
power is turned ON.
Used to store the programs in the
Memory Card to switch operations, or
to automatically transfer programs at
startup (Memory Card ROM opera-
tion).
SW3 Not used.
SW4 Not used.
3-4
Color Status
Lit
Flashing
Not lit
Flashing
Not lit
OPEN
MCPWR
BUSY
PERIPHERAL
Usage
*2
*3
Power is being supplied to the Memory Card.
Flashes once: Simple backup read, write, or verify normal
Flashes five times: Simple backup read malfunction
Flashes continuously: Simple backup write or verify malfunction
Power is not being supplied to the Memory Card.
Memory Card is being accessed.
Memory Card is not being accessed.
ON
Setting
ON Writing disabled for user pro-
gram memory.
OFF Writing enabled for user pro-
gram memory.
ON The user program is automati-
cally transferred from the Mem-
ory Card when power is turned
ON.
OFF The user program is not auto-
matically transferred from the
Memory Card when power is
turned ON.
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Meaning
Function Default
OFF
*1
OFF
OFF
OFF
CJ2 CPU Unit Hardware User's Manual