Omron NJ501-1 Series User Manual page 199

Event name SD Memory Card Data Corrupted
Meaning A file that must be in the SD Memory Card is missing or corrupted.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_Card1Ready
Cause and Assumed cause
correction
The Controller power supply was
turned OFF while the SD BUSY indi-
cator was lit.
The power supply to the Controller
was interrupted momentarily while the
SD BUSY indicator was lit.
The SD Memory Card was removed
while the SD PWR indicator was lit.
The SD Memory Card is damaged.
Attached None
information
Precautions/ The error is detected at power ON or at a Controller reset only when SD Memory Card diagnosis at startup is enabled.
Remarks You can change the event level to the minor fault level. If you change the level to the minor fault level, the Recovery col-
umn above will be changed to "Error reset."
Event name SD Memory Card Access Power OFF Error
Meaning The power supply to the Controller was interrupted during access to the SD Memory Card.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_Card1PowerFail
Cause and Assumed cause
correction
The Controller power supply was
turned OFF while the SD BUSY indi-
cator was lit.
The power supply to the Controller
was interrupted momentarily while the
SD BUSY indicator was lit.
Attached None
information
Precautions/ When the measure is completed, change the SD Memory Card Access Power Interruption Flag to FALSE.
Remarks
NJ-series CPU Unit Hardware User's Manual (W500)
Source details
Observation Recovery
Continues. Operation
Data type
BOOL
Correction
Format the SD Memory Card and
download the correct file.
If the error cannot be cleared with the
above corrections, replace the SD
Memory Card with one that operates
normally.
Source details
Observation Recovery
Continues. Operation
Data type
BOOL
Correction
Check that the correct file is on the
SD Memory Card, or that the device
operates correctly.
If the correct file is not on the SD
Memory Card, or if the device does
not operate correctly, download the
correct file to the SD Memory Card.
Cycle the power supply to the Con-
troller or reset the Controller and con-
firm that the system operates
correctly. When you have finished the
corrections, set the SD Memory Card
Access Power Interruption Flag
(_Card1PowerFail) to FALSE.
5 Troubleshooting
Event code 10060000 hex
None Detection
timing
--- Log category
SD PWR indicator is not lit. You can format the SD Mem-
ory Card from the Sysmac Studio. Normal user program
operation may not be possible.
Name
SD Memory Card Ready Flag
Prevention
Do not turn OFF the power supply
while the SD BUSY indicator is lit.
Take appropriate measures to ensure
that the specified power with the rated
voltage and frequency is supplied in
places where the power supply is
unstable.
Do not remove the SD Memory Card
while the SD PWR indicator is lit.
None
Event code 10070000 hex
None Detection
timing
--- Log category
Operation is controlled by the user program when the file
is corrupted.
Name
SD Memory Card Access Power
Interruption Flag
Prevention
Do not turn OFF the power supply
while the SD BUSY indicator is lit.
Take appropriate measures to ensure
that the specified power with the rated
voltage and frequency is supplied in
places where the power supply is
unstable.
At power ON or
Controller reset
System
5
At power ON or
Controller reset
System
5-33