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Relay 1
CB power mode Alarm level Relay state
Mains unplugged, CB is in power down or the OpenBus™ is not
running (Clock/ data is missing)
Alarm NC\*
On mains or battery at “wake up” Bed Alarm\** NC
No Alarm NO
Relay 2
CB power mode Alarm level Relay state
Mains unplugged or CB is in power down No Alarm NC
On mains or battery at “wake up” Bed Alarm\** NO
No Alarm NC
\* When the mains is unplugged or CB is in power down will the relay shift to NC state and generate
alarm.
\** Alarm generated by nurse call or bed alarms
Example of closed loop:
3
rd
. party site
In this state no Alarm
Example of Open Loop:
3
rd
. party site
In this state no Alarm