Omron BU1002SW Instruction Manual page 65

(1) When BS signal is used to stop the UPS after a power failure occurs (1)-1.
AC input
BS signal
Power output
(Setting switch 4 OFF:
Mode A)
Power output
(Setting switch 4 ON:
Mode B)
(2) When BS signal is used to shut down the UPS when AC input is ON
AC input
BS signal
Power output
(Setting switch 4 OFF:
Mode A)
Power output
(Setting switch 4 ON:
Mode B)
* 1: BS signal reception time corresponds to the setting switch 7.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
*1
OFF
ON
OFF
ON
OFF
ON
OFF
*1
1 sec
1002 3002
BU SW / BU
Starts up when BS signal
turns OFF
Starts up when AC input
turns from OFF to ON
SW
4
43