ABB Welcome User Manual page 26

Multifamily houses with 15 private apartments, in each
apartment: one ABB-Welcome audio indoor station with
handset
Fig. 18
Calculation of consumption for system controller
Device
Indoor stations
ABB-Welcome audio indoor station with handset
Audio outdoor station
ABB-Welcome audio outdoor station, 15gang
System devices
ABB-Welcome door/light switch actuators
Total number of consumer units
must not exceed 65
The consumer units required are covered by the system
controller. The maximum number of devices per internal bus
line is not exceeded. No auxiliary power supply required.
Multifamily houses with 10 private apartments, in each
apartment: one ABB-Welcome audio indoor station with
display and one ABB-Welcome audio indoor station with
handset
Fig. 19
Calculation of consumption for system controller
Device
Indoor stations
ABB-Welcome audio indoor station with handset
ABB-Welcome audio indoor station with display
Audio outdoor station
ABB-Welcome audio outdoor station, 10gang
Only for two indoor stations per apartment
Number of apartments with two
ABB-Welcome audio indoor stations
Total number of consumer units
must not exceed 65
The required number of consumer units are covered by the
system controller. The maximum number of devices per
internal bus line is not exceeded. The maximum lenghth is
100 m. No additional auxiliary power supply is necessary.
26 Planning ABB-Welcome systems | User Manual ABB-Welcome
Number Consumer units
15 1
2 11
1 2
Number Consumer units
10 1
10 2
1 11
10 1 or 2: 2
Number x
Consumer units
15
22
2
39
Number x
Consumer units
10
20
11
"1 or 2": If an ABB-
Welcome audio indoor
20 station with display is
installed, please attach 2
consumer units;
otherwise attach only
61
1 consumer unit.