Omron BU100RS Instruction Manual page 41

3 Check and start operation
3-1 The name and function for the operation and display
● Auto startup mode setting
("Setting" switch 4)... Factory setting: OFF
OFF: (Mode A) After UPS stopped, the UPS is automatically started immediately when
"ON" is detected for the AC input.
ON: (Mode B) After UPS stopped, the UPS is automatically started in the AC input's "OFF
to ON" timing that is detected. (Definition of AC input OFF: When AC input is OFF for 1
second or more)
* "Setting" switch 4 is valid when the auto startup after recovery from power failure setting
("Setting" switch 2) is set to OFF (auto restart is performed).
* This setting mode is valid only after the UPS has been stopped by the contact signal backup
stop signal (BS).
* When a cable is connected to the RS232C port and the UPS monitoring software is used, the
unit operates in Mode A regardless of this setting.
1) When BS signal is used to stop the UPS after a power failure occurs.
AC input
BS signal
Power output
(Setting switch 4 OFF:
Mode A)
Power output
(Setting switch 4 ON:
Mode B)
40
*1
ON
OFF
ON
OFF
ON
OFF
ON
OFF
BU100RS