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4
. UPS functions
30
(2) When BS signal is used to shut down the UPS when AC input is ON
*1
Starts up when BS signal
turns OFF
Starts up when AC input
turns from OFF to ON
ON
OFF
ON
OFF
ON
OFF
ON
OFF
1 sec
AC input
Power output
(Setting switch 4 OFF:
Mode A)
Power output
(Setting switch 4 ON:
Mode B)
BS signal
* 1: BS signal reception time corresponds to the setting switch 5.
●
BS signal valid range setting (setting switch ) … Factory setting: OFF
OFF: The BS signal is always valid (receivable).
The unit’s “power output” can be stopped by inputting a “ON” backup power supply stop sig-
nal (BS) that continues for 10 seconds or more.
ON: The BS signal is valid (receivable) only when in Battery Mode. (The signal is not received
when in Commercial Power Mode.)
The unit’s “power output” can be stopped by inputting a “ON” backup power supply stop sig-
nal (BS) that continues for 0.01 (10 ms) seconds or more.
Use this setting in commercial operation when you do not want to stop operations when a
backup power supply stop signal (BS) is received.
•Auto startup operation when power is restored
Auto startup when power is restored is associated with setting switch 2.
However, the unit does not start up when the BS signal is ON.
1 2
5
3 4
8
6 7
ON
DIP
*1
*1
*1
AC input
●
BS signal valid range setting (setting switch )
BS signal
Power supply output
(Setting switch OFF)
Power supply output
(Setting switch ON)
Note 1: Operation when setting switch 2 is OFF (auto startup is performed). When it is ON (auto startup is not performed) auto startup is not performed.
10 sec
10 sec
0.01 sec
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Commercial Power Mode
Battery Mode
Operationg Mode