Omron NJ501-1500 Reference Manual page 963

Name Port Setup Already Busy
Meaning A Change Port Setup instruction was executed during execution of another Change Port Setup instruction.
Effects User program
System-defined Variable
variables
_CJB_SCU##1ChgSta
_CJB_SCU##2ChgSta
Cause and Assumed cause
correction
A Change Port Setup instruction was
executed during execution of another
Change Port Setup instruction.
Precautions/ None
Remarks
Name SD Memory Card Access Failure
Meaning SD Memory Card access failed when an instruction was executed.
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An SD Memory Card is either not
inserted or is not inserted properly.
The SD Memory Card is broken.
The SD Memory Card slot is broken.
Precautions/ None
Remarks
Name SD Memory Card Write-protected
Meaning An attempt was made to write to a write-protected SD Memory Card when an instruction was executed.
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An attempt was made to write to a
write-protected SD Memory Card.
Precautions/ None
Remarks
NJ-series Instructions Reference Manual (W502)
Continues. Operation
Data type
BOOL
BOOL
Correction
Correct the program so that the
instruction is not executed while
changing port settings.
Continues. Operation
Data type
---
Correction
Insert the SD Memory Card correctly.
Replace the SD Memory Card with
one that operates normally.
If this error persists even after making
the above two corrections, replace the
CPU Unit.
Continues. Operation
Data type
---
Correction
Remove write protection from the SD
Memory Card. Slide the small switch
on the side of the SD Memory Card
from the LOCK position to the writable
position.
Error code 16#0C02
The relevant instruction will end according to specifica-
tions. Communications output will follow the specifications
of the instruction. The operation of the Unit will follow the
changes made to the port settings with the first instruc-
tion.
Name
Serial Communications Unit ## Port 1
Settings Changing Flag
Serial Communications Unit ## Port 2
Settings Changing Flag
Prevention
Write the program so that the instruc-
tion is not executed while changing
port settings.
Error code 16#1400
The relevant instruction will end according to specifica-
tions. The operation of the Unit is not affected.
Name
---
Prevention
Make sure that the SD Memory Card
is inserted properly.
None
None
Error code 16#1401
The relevant instruction will end according to specifica-
tions. The operation of the Unit is not affected.
Name
---
Prevention
Use an SD Memory Card that is not
write-protected when writing to the
SD Memory Card.
Appendices
A-33