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C-net Topology And Connection - Siemens Cerberus PRO FC721 Technical Manual

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Installation
6
C-NET detector line

6.5.2 C-NET topology and connection

Cerberus
TM
C
Cerberus
TM
C
Cerberus
TM
C
Wiring NOT admissible
Cerberus
TM
C
TM
Cerberus
C
62 | 118
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
resistor, number of users etc., must be observed.
Either one loop or two stubs can be connected to the C-NET detector line of the
FC721 (2-wire line to block of 4 terminals).
Loop
(max. 1 loop)
Stub
(max. two stubs)
Sub-stubs on loop
A sub-stub must only be connected between two line devices or line
separators as well as directly to the terminal connection.
NOT admissible!
Sub-stub on sub-stub
NOT admissible!
Sub-stub on a stub
A6V10211100_f_en_--
2015-12-15

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