Bus Topologies - Siemens Synco 700 Series Basic Documentation

Advantage:
Tree topology
Branching and
connection variants
22/120
Building Technologies
HVAC Products
2.3

Bus topologies

Permissible bus topologies are: tree, line and star topologies. These topologies can
be mixed as needed. However, ring topologies are not permissible.
The tree topology is advantageous when creating a large network.
Tree topology (with stub lines)
N2
N1
KNX TP1
N6
N1 .. N7 Bus devices
Device with
screw terminals
CE+ CE-
CE+
CE-
N1
N1 .. N8 Bus devices
Basic documentation: Communication via the KNX bus
Engineering notes
N3 N4
N5
N7
T-branch with
bus terminal
CE+
CE-
CE+ CE-
N2
N3
N4
Line topology (with loops)
N2
N1
KNX TP1
Device with
spring cage terminals
CE+ CE-
N5
N8
N4
N3
CE+ CE-
N6
N7
CE1P3127en
30.08.2007