Date
9/7/2018
File
BSR-2114/MAR
Document Number
921211401_09_002
Page
29 από 74
29
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NO,C,NC terminals of the relays 4,5,6.
These are voltage free relay contacts with a rating of 230V/5A. By default
they are programmed to operate as alarm relays. This programming can be changed.
-
Α1,Α2 and Α3 terminals.
These are inputs of the panels that can be up to 24V.
FA
U
LT
P
A
N
IC
R
E
S
E
T
D
O
O
R
A
LA
R
M
BS-489
BSR-2100
Figure 3-16
Connecting an automatic dialer to the panel.
3.5
Calculating the loop consumption and the required cable cross section
The power for sensors – devices is taken from the BSR-2100 panel which offers a maximum current of 200mA in a
quiescent state and 250mA in an alarm state. It is essential to calculate the maximum current requirements of the installation
so as not to exceed the above limits.
Table 3-1 Device consumptions
Model
Description
Quiescent
consumption
Alarm
consumption
Maximum number of
connectible devices
BSR-6055/Α/MAR
Smoke detector
1
1,2
150
BSR-6057/Α/MAR
Smoke detector/Heat detectors
1
1,2
150
BSR-6060/Α/MAR
Heat of Rise detector
1
1,2
150
BSR-5036/Α/MAR
Call point
1
1,2
150
BSR-7070/Α/MAR
Line isolator
2
4
32
BSR-7071/Α/MAR
Line isolator
10
10
4
BSR-8017/MAR
Input / Output unit
1
1,5
128
BSR-5032/MAR
Siren
1
6
128
BSR-5032/WP/MAR
Waterproof Siren
1
8
30
The calculation of the total consumption of the installation is done based upon the quiescent current of each device.
Also we must take into account the activation current of the units that are located in the same area during the alarm. The
calculation can be done using the PC based software program of the (BSR-2100), in the menu “Installation help”.
If for any reason the total current must be exceeded then one solution is to install some of the devices on the other
loop.
One other essential parameter, that we must take into account for a good installation is the used cable cross section. The
cable cross section is important because it is directly linked to the cables resistance. A very big resistance due to small cables
cross sections can lead to voltage drops across the line. The table below shows the minimum cable cross section (in regards to
distance and current), in order for an installation to operate correctly.