C-Net Topology - Siemens FC361 Series Technical Manual

5.6.2 C-NET topology

Wiring NOT permissible
Building Technologies
Fire safety
Permissible topology for the C-NET
The C-NET can be wired in the topology shown below. Regardless of the topology
(loop, stub or loop with sub-stub), the C-NET system limits, such as length, cable
resistance etc., must be observed.
Either one loop or two stubs can be connected to the panel's C-NET detector line.
Loop
(1 loop, max. 126 devices)
C-NET
Stub
(2 stubs, max. 32 devices per stub)
Sub-stubs on loop
A sub-stub must only be connected between two devices or line
separators as well as directly to the terminal connection.
C-NET
NOT permissible
Sub-stub on sub-stub of loop
NOT permissible
Sub-stub on a stub
Installation
5
C-NET detector line
35 | 124
A6V10421795_en--_g
2016-11-18