Page 7 - ABB_Welcome-Example-systems
P. 7
Branched connection
2 x KLM(A) 0.8 mm2
RC-ON D RC-ON RC-ON
VIDEO/AUDIO in VIDEO/AUDIO
RC-ON RC-ON
VIDEO/AUDIO VIDEO/AUDIO
RC-ON RC-ON
VIDEO/AUDIO VIDEO/AUDIO
RC-ON D RC-OFF
VIDEO/AUDIO in
RC-ON
VIDEO/AUDIO
RC-ON RC-ON
VIDEO/AUDIO VIDEO/AUDIO
RC-ON D RC-OFF
VIDEO/AUDIO in
RC-ON
VIDEO/AUDIO
Door entry system switching exchange S
S
S
D
The central unit can supply approximately 40 devices. If each
outdoor unit has an auxiliary power source, the maximum number
of devices is approximately 60. In larger systems, the devices are
divided into areas of suitable size with a line coupler. The exact
numbers of devices and the required auxiliary power sources de-
pend on the cable lengths and types, as well as other conditions.
Example systems | The ABB-Welcome door entry system 7
