Omron NJ501-1400 User Manual page 225

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
Event name Incorrect SD Memory Card Removal
Meaning SD Memory Card removal processing failed.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The SD Memory Card was removed
while the SD PWR indicator was lit.
Attached None
information
Precautions/ None
Remarks
* This event code occurs for unit version 1.02 or later of the CPU Unit.
NJ-series CPU Unit Hardware User's Manual (W500)
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, change the _Card1Pow-
erFail (SD Memory Card Power Inter-
ruption Flag) system-defined variable
to FALSE.
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Check the files on the SD Memory
Card to see if they are correct. If the
files on the SD Memory Card are not
correct, download the correct files to
the SD Memory Card.
5 Troubleshooting
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 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.
Event code
10310000 hex*
None Detection
timing
--- Log category
Not affected.
Name
---
Prevention
Press the SD Memory Card power
supply switch and confirm that the SD
PWR indicator goes out before you
remove the SD Memory Card.
At power ON or
Controller reset
System
5
At SD Memory
Card removal
System
5-45