Page 43 - Basic Course

KNX BASIC COURSE

2 Topology - Line and line segment

DVC DVC 64

DVC 1 DVC

1st line segment

DVC

PS/Ch DVC

DVC DVC DVC

Figure 2: Topology - line and line segment

By means of telegrams, each bus device (DVC) can exchange information with any other
device.

Maximum 64 bus devices can be connected to a line segment.

Each line segment requires its own appropriate power supply .
1

The actual number of devices per line segment depends on the power supply selected
and the power required by the individual devices.

1 This chapter assumes the use of central power supply units only. For distributed power supply
units, consult chapter “Installation”.

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