S8AS Datasheet, PDF (19/26 Pages) Omron Electronics LLC – Smart Power Supply

S8AS
List of Alarms
Alarm
display
Name
Alarm outputs
Power
outputs
Recovery/reset method
Remove the cause of the abnormality and then press the Reset Key( ) on the
A10
Abnormal
voltage
tripping
TRP output: OFF Total current
(normally ON) tripping
front panel or use communications reset function (S8AS-24006R and S8AS-
48008R only). *
Power supply will be restarted after recovery.
Note: Once an error has been reset, another reset operation cannot be
performed for at least 15 seconds.
A11
Abnormal
current
tripping
TRP output: OFF
(normally ON)
Cut off
Remove the cause of the abnormality and then press the Reset Key( ) on the
front panel or use communications reset function (S8AS-24006R and S8AS-
48008R only). *
Power supply will be restarted after recovery.
Note: Once an error has been reset, another reset operation cannot be
performed for at least 15 seconds.
Remove the cause of the abnormality and then press the Reset Key( ) on the
A12
Abnormal
total current
tripping
TRP output: OFF Total current
(normally ON) tripping
front panel or use communications reset function (S8AS-24006R and S8AS-
48008R only). *
Note: Once an error has been reset, another reset operation cannot be
performed for at least 15 seconds.
A21
Undervoltage
alarm
ALM output: OFF
(normally ON)
ON
Remove the cause of the abnormality and then press the Reset Key( ) on the
front panel or use communications reset function (S8AS-24006R and S8AS-
48008R only). *
Note: 1. Once an error has been reset, another reset operation cannot be
performed for at least 15 seconds.
2. The alarm status will be reset if the cause of the alarm has been
removed when the power supply is reset.
A23
Maintenance
forecast
monitor output
LEF output: OFF
(normally ON)
ON
The replacement time specified for the S8AS has become less than the value set
for the maintenance forecast monitor function. Either replace the S8AS or change
the set value.
A23/HOT
Overheating
alarm
LFE output: OFF
(normally ON)
ON
Take steps to reduce the internal temperature of the S8AS. The error will
automatically be cleared when the temperature becomes stable. However, if the
overheating alarm stays ON for more than 3 hours, it can no longer be cleared.
Be sure to clear the error within 3 hours.
A30
Over-
temperature
output
TMP output: OFF
(normally ON)
ON
The alarm display and over-temperature output will automatically be reset if the
temperature remains below the set value minus 3°C for at least 5 s.
Note: Alarms will be displayed in order of priority if more than one alarm occurs at the same time.
Order of priority: A10, A12, A11, A23/HOT, A21, A23, A30.
* Enabling or disabling the functionality to reset errors by turning the power supply OFF and then ON can be set using the Reset Method Setting
(RST) parameter. However, the settings for the S8AS-24006N and S8AS-48008N cannot be changed.
(Initial setting: Errors can be reset by turning the power supply OFF and ON again.)
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