Page 15 - ABB_Welcome-Example-systems

M2303 1. Station
Guard unit 4.3" The jumper switch is used to set the address of the primary
outdoor unit.
M2300
Central unit 2. X1
The jumper switch is used to set the address of the guard
unit.

3. The master/slave function
Only one guard unit in each building must be set to the
Master state (the jumper switch set to "M/S on").

4. Terminal resistor RC ON/OFF
For video or video/audio installations, "RC" must be "ON"
in the last unit of each line.

5. a b = Bus connectors
= Doorbell connection

DC GND = Auxiliary power source connection
6. USB connection

(QT EQPPGEVKPI VQ C EQORWVGT NQCF TGCF C ƂNG

1. Bus
2. Selection of operating mode:

One on = the master device alarms
All on = master and slave devices alarm
3. Status indicator LED

Ready to operate Bus activity Fault
4. Mains voltage

Example systems | The ABB-Welcome door entry system 15