For internal use only
11 / 88
Siemens
KNX bus communications
CE1P3127en
Building Technologies
KNX and Synco
2013-04-08
1.3
The KNX network
1.3.1
Full-scale KNX network
A full KNX network is structured on three levels. It consists of:
Backbone (area line)
0
Area 0 (backbone)
Main lines
1...15
Areas 1…15
Lines
1.1...15.15
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
L
in
ie
1
L
in
ie
2
L
in
ie
3
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
L
in
ie
1
L
in
ie
2
L
in
ie
3
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
1
2
3
64
Ac
1.0.0
Lc
1.1.0
Lc
1.2.0
Lc
1.3.0
Lc
1.15.0
Area 1
L
in
e
1
L
in
e
2
L
in
e
3
L
in
e
1
5
Main line 1
Lc
0.1.0
Lc
0.2.0
L
in
e
1
L
in
e
2
Ac
2.0.0
Lc
2.1.0
Lc
2.2.0
Lc
2.3.0
Area 2
L
in
e
1
5
Main line 2
Ac
3.0.0
Lc
3.1.0
Lc
3.2.0
Lc
3.3.0
Lc
3.15.0
Area 3
L
in
e
1
5
Main line 3
Ac
15.0.0
Lc
15.1.0
Lc
15.2.0
Lc
15.3.0
Area 15
L
in
e
1
L
in
e
2
L
in
e
3
Main line 15
Ar
ea
li
ne
0
(b
ac
kb
on
e
lin
e)
3
1
2
7
Z
1
0
e
n
Lc
2.15.0
The arrangement of the bus devices in the 3-level KNX network structure, with the
Synco bus devices factory set with Area/Line address 0.2 corresponds to the gray
shaded area in the illustration above.
KNX network,
three-level structure
Note