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4 Operations
S8BA-series Uninterruptible Power Supply (UPS) User’s Manual (U726)
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Explains the backup sequence when a power failure occurs.
z
When the input power supply recovers while the battery level is sufficiently high
*1. For details, refer to
z
When the input power supply recovers while the battery level is low
*1. For details, refer to
z
When the input power supply does not recover until the battery becomes empty
*1. For details, refer to
The backup sequence when power failure/voltage drop (instanta-
neous voltage drop) occures
Durling power failure
Input power supply
Battery restorage
Output from UPS
UPS
operating
mode
BU signal (OUT)
*1
BL signal (OUT)
*1
BS signal (IN)
*1
Normal operation
Backup operation
ON
ON
OFF
OFF
OFF
OFF
High
Low
Empty
OFF
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
High
Low
Empty
OFF
ON
ON
ON
Durling power failure
Input power supply
Output from UPS
UPS
operating
mode
BU signal (OUT)
*1
BL signal (OUT)
*1
BS signal (IN)
*1
Normal operation
Backup operation
Battery restorage
ON
ON
OFF
OFF
OFF
OFF
High
Low
Empty
OFF
ON
ON
ON
Durling power failure
Input power supply
Output from UPS
UPS
operating
mode
Normal operation
Backup operation
BU signal (OUT)
*1
BL signal (OUT)
*1
BS signal (IN)
*1
Battery restorage
Содержание S8BA-24D24D480SBF
Страница 5: ...Manual Structure 4 S8BA Series Uninterruptible Power Supply UPS User s Manual U726 ...
Страница 21: ...Revision History 20 S8BA series Uninterruptible Power Supply UPS User s Manual U726 ...
Страница 27: ...1 Overview of the product 1 6 S8BA series Uninterruptible Power Supply UPS User s Manual U726 ...
Страница 45: ...3 Installation and connection 3 12 S8BA series Uninterruptible Power Supply UPS User s Manual U726 ...
Страница 55: ...4 Operations 4 10 S8BA series Uninterruptible Power Supply UPS User s Manual U726 ...
Страница 65: ...5 Maintenance and inspection 5 10 S8BA series Uninterruptible Power Supply UPS User s Manual U726 ...