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DESCRIPTIONDESIGNDATE
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Power Failure Back-up Module
(with control power backup function)
DESCRIPTIONS
TMS01/032E
8.3 Status Indication
The status of Power Failure Backup Module is indicated on the 7-segment LED display.
LED
indication
Status Description
− Not Ready Power Failure Backup Module is not ready.
0 Ready Charging of Sub Module C is completed and Power Failure Backup
Function become available.
This state shows that PSM is READY state (Indication of PSM is”00”)
and the charging of Sub Module C is completed.
During charging Sub Module C the indication of Power Failure Backup
Module is NOT READY (“−”) though PSM is READY state.
(See “8.2.1 Power ON sequence”)
Without Sub Module C, Power Failure Backup Module become READY
(“0”) as soon as PSM become READY (“00”).
−. Not Ready
And
Power
failure
detected
Power failure is detected when Power Failure Backup Module is not
ready. In this case, Power Failure Backup Function is not available.
0. Ready
And
Power
failure
detected
Power Failure Backup is completed normally.
#
(#:1∼5)
Alarm Indicate the alarm number.
See “8.4 Alarms” for description and cause.
#.
(#:1∼5)
Alarm
And
Power
failure
detected
Alarm occurred during Power Failure Backup operation. Or, power
failure was detected after alarm occurred. In this case, Power Failure
Backup operation is not completed or not done.