Omron S8BA-24D24D120LF User Manual page 52

4 Check and start operation
■ The backup sequence when power failure/voltage drop
(instantaneous voltage drop) occures
Explains the backup sequence when a power failure occurs.
● When the input power supply recovers while the battery level is sufficiently high
Input power supply
"Power" switch
(Remote ON/OFF)
Battery restorage
Output from UPS
Display of "status
indicator" indicator
Beep
Normal operation
UPS operating mode
Backup operation
BU signal (OUT)*
BL signal (OUT)*
BS signal (IN)*
50
ON
OFF
ON
OFF
High
Low
Empty
ON
OFF
0.2 sec
ON
OFF
4 sec
ON
OFF
ON
OFF
ON
OFF
*For details, see 7-1 I/O signal functions.
4-2 Start and stop procedures and basic operation
Durling power failure
S8BA-24D24D□□□LF