Omron sysmac NX Series User Manual page 596

14 Safety Data Logging
14-3 Safety Data Logging Operation Proce-
dure
Use the following procedure to execute the safety data logging function:
1
Find the SD Memory Card that contains the safety data logging settings file in the specified
folder. Insert the SD Memory Card into the SD Card Slot of the Communication Control Unit to
which the Safety CPU Unit is connected.
2
Set the DIP switch on the front panel of the Safety CPU Unit to turn ON SW2, and OFF SW1,
SW3 and SW4.
3
Start or restart the Communication Control Unit and the Safety CPU Unit.
4
If the logging settings file is configured to start logging at a startup, the logging execution starts
when all the safety master connections are established.
If the logging settings file is not configured to start logging at a startup, press the service switch
on the front panel of the Safety CPU Unit after confirming that all the safety master connections
are established.
If you hold down the service switch, the display of the seven-segment indicator will change as
shown below.
After 1 second
"Si."
Release the service switch while the indicator shows "Lo".
If you release the service switch while "--" is displayed, the function is not executed and the
original state is restored.
5
Check the left dot of the seven-segment indicator on the Safety CPU Unit to see if the logging
execution started normally.
If it starts normally, the left dot is lit. If it fails, the left dot is flashing.
6
Check the left dot of the seven-segment indicator on the Safety CPU Unit to see if the trigger
condition was met and the log files were output.
When output of all the log files is completed, the left dot goes out and the right dot lights up.
If the log files are not saved successfully, the right dot starts flashing.
By following Step 4, you can manually stop the logging that is in progress.
7
Remove the SD Memory Card.
14-6
After 3 seconds
"Lo."
NX-series Safety Control Unit/Communication Control Unit User's Manual (Z395)
After 5 seconds
"--"