Siemens CERBERUS AlgoRex Series User Manual

e1453b
6
Fire & Security Products
Siemens Building Technologies Group
12.2001
1.3.7 «Collective» detection lines
«Collective» detection lines can only be installed as stub lines. According to the type of
control unit or regulations, 20...32 fire detectors can be connected per stub line.
New systems: Twisted cable, in exceptional cases with very powerful electromagnetic
influence shielded and twisted.
Existing systems: Single and parallel conductors are permissible.
Line resistances and line capacitances see document e1508 «Connection factors, line
resistances and capacitances».
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
Type of cable
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Application
ÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁ
Twisted, min. 7 turns
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Generally recommended
ÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁ
Shielded, twisted
min. 7 turns
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Essential in areas where EMI is critical
e.g. X-ray rooms, radar systems, transmitter stations, proximity to thy-
ristor controls etc.
ÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁ
Non-twisted
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Cable in existing systems can be utilized without difficulty with mini-
mum remaining risk
Not recommended for new systems
ÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁ
Shielded/non-twisted
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Á
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Cable in existing systems can be utilized without difficulty with mini-
mum remaining risk
Not recommended for new systems
ÈÈÈÈÈ
ÈÈÈÈÈ
240V~/10A
1,5mm
2
Ground floor
Basement level
Upper level
CC/CI..
SBEx
24VDC
CT..
L6
L1
L2
L3
L4
L5
L9
L10
L11
L8
L7
24V
24V
24V
FDC
DC1192
Fig. 4 Block diagram «collective» detection system

Siemens CERBERUS AlgoRex Series Specifications

General

Brand	Siemens
Model	CERBERUS AlgoRex Series
Category	Fire Alarms
Language	English