Omron C200HE-CPU42-E Instruction Manual page 245

Power Supply Units with Replacement Notification
• At time of purchase "FUL" is displayed. The display changes to "HLF" as the electrolytic capacitor deteriorates.
Depending on the operating environment, however, "HLF" may not be displayed.
• When the time until replacement is required drops below 2 years, the display will change corresponding to the
operating time from "1.5" to "1.0" to "0.5" to "0.0"/"A02." When the remaining service life reaches 6 months or
less, the display will alternate between "0.0" and "A02" in 2-second intervals.
Capacity at
time of
manufacture
Replacement
required
Electrolytic
capacitor level
Note 1. The time remaining until replacement does not include periods when the power is turned OFF.
2. Until approximately one month of operating time has accumulated, the display will always be "FUL" and
the alarm output will remain ON (conducting) due to the estimated deterioration speed.
3. The time remaining until replacement will vary the operating and storage conditions, so periodically
check the display.
4. Fluctuation in the time remaining until replacement may result in the alarm output repeatedly turning ON
and OFF.
5. The precision of the replacement notification function will be adversely affected by applications in which
the power is frequently turned ON and OFF.
6. Due to the service life of the electronic components, replace the Power Supply Unit approximately 15
years after purchase, even if the replacement notification display or output has not indicated that re-
placement is required.
Alarm Output (Replacement Notification Output)
The output remains ON until the remaining service life drops below 6 months and then turns OFF.
Note The alarm output will also turn OFF under the following conditions.
• The AC input to the Power Supply Unit is turned OFF.
• An error is detected by the self-diagnostic function.
• The TEST switch is pressed for at least 3 seconds.
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Replacement notification
display (7-segment)
Alarm output (replacement
notification output)
2.0 yr
1.5 yr 1.0 yr
Output ON
The output turns OFF when the remain-
ing life span reaches 6 months, and the
following display is repeatedly alternated.
Appendix E
Remaining
0.5 yr 0 yr service life
Output OFF