The Beam Sensor pair allows the detection of
smoke over distances from2mto100m,using a
'beam transmitter' and a 'beam receiver', each
mounted on a base fixed to either bracket.
17.5 m width covered by one beam sensor pair within 600mm
vertical of the apex, using the extra coverage of 25% given
by the roof angle of 25
o
25
o
1.25 m
10 m mounting
height
20 m
600mm
Calculated from
12.5% of 10m
mounting height
Seven beam sensor
pair required
at this height
2.5 m calculated from
twice 12.5% of 10m
mounting height
ATRIUM
Side view (flat ceiling)
Obstructions
Cladding panels / Plaster board
Transmitter
Transmitter
Receiver
Glass Atrium
Heat Source
Receiver
Horizon
SunlightorStronglightsource
Horizon
Sunlight or Strong light source
Do's and Dont's
A general guidance on Do's and Dont's is illustrated here, however for full information on siting beam sensor
pair refer to BS5839 Part 1.
24188-969 issue 3_Part 1_07-11_S4 Beam & brackets
S4 Beam Sensor & bracketsData and Installation
EM2
OUT5
IN4
C3
L1
0V
L2
470 W
10 KW
Input
Beam Transmitter base
FIRE
14115-08
or any suitable
keyswitch
O
I
Active
O
I
Normal
O
I
L1
0V
L2
0V
L1 (1)
0V (4)
0V(2)
L2 (3)
EARTH(5)
The numbers in brackets
refer to alternative cable
sleeve markings which may
be used to denote wires.
Metal box
Earth
Cable from the sensor base
Loop - In cable
Loop - Out cable
Angle bracket with base
Metal box
mounted on
a solid wall
Beam Sensor
Keyswitch wiring if used
The Test Keyswitch
connects to terminals
EM2 and C3 in the
base.
Test Keyswitch
A test keyswitch unit can be connected to the 'beam transmitter' to facilitate simulation of a test fire condition.
The test keyswitch function is supported on Vigilon system only. The keyswitch unit is required to have a
series resistor of value 470W coupled with an end-of-line 10KW resistor wired as illustrated below.
There is a maximum cable length
limit of 15 metres from the 'beam
transmitter' base to the external
Keyswitch Unit.
A keyswitch input at the 'beam
transmitter' must be enabled
during commissioning.
The wiring is monitored for open
and short circuit failure.
On operating the keyswitch it will
cause a ramp down signal to
generate a test fire condition.
How to install an Angle bracket and fit a Beam sensor
The installation of the angle bracket and beam sensor are illustrated by steps j to o. Note steps n and
o require setting of adjusters for sensor to face the opposite sensor assembly, which is normally done
during commissioning.
4188-969 issue 3_Part 1_07-11_S4 Beam & brackets3
Data and InstallationS4 Beam Sensor & brackets
by Honeywell
At the end of their useful life, the packaging,
product and batteries should be disposed of
via a suitable recycling centre and in
accordance with national or local legislation.
Do not dispose of with your normal household waste.
Do not burn.
WEEE Directive:
At the end of their useful life, the packaging,
product and batteries should be
disposed of via a suitable recycling centre.
0832
Gent by Honeywell
Hamilton Industrial Park,
140 Waterside Road,
Leicester LE5 1TN, UK
ProductEC Certification
No.of Conformity No.
S4-347410832-CPD-1365
S4-347420832-CPD-1365
ARROW
Fixed plate
Adjustable plate
Adjuster
Bush
Lock nut
Bush
Spring
8mm
8mm
Ensure the adjusters are set to provide an 8mm
gap all around between the adjustable and fixed plates.
THIS WAY UP
Pre-assembled
Parallel bracket
Metal
box
Beam Sensor
Base
EM2
OUT5
IN4
C3
L1
0V
L2
LOOP IN
LOOP OUT
Loop Cable
In - Out
Test Keyswitch wiring if used
The Test Keyswitch
connects to EM2 and
C3, see page 3.
Sleeve
Ensure the base is mounted to the bracket such
that the Beam sensor LEDs can be seen from floor level.
How to pre-assemble the parallel bracket
The parallel bracket may be pre-assembled as illustrated by steps j to m.
How to install a Parallel Bracket and fit a Beam sensor
The installation of the parallel bracket and beam sensor are illustrated by steps j to q.
Further information about this product can be found in Part 2
of this document available on Gent Expert website.
Gent by Honeywell reserves the right to revise this publication from time to time and make changes to the content hereof without
obligation to notify any person of such revisions of changes.
44188-969 issue 3_Part 1_07-11_S4 Beam & brackets
Hamilton Industrial Park, Waterside Road, Leicester LE5 1TN, UKWebsite: www.gent.co.uk
A light shield is only required to be fitted onto a beam receiver where
direct sunlight or strong light is likely to fall in the path of the ‘beam
receiver’. Where necessary fit the light shield.
Find Beam
Finding the device address of the ‘beam transmitter’ and
‘beam receiver’ on the loop.
Normal indications
Check the operational indications given by the red LEDs on the
beam sensor.
Laser tool
Read the instructions supplied with the recommended laser tool
and roughly align the beam sensor using the tool.
Compatibility
Check the control panel in the system has compatible software for
the S4 beam sensors installed on its loop circuit.
Brackets
If necessary, check the method of adjusting the parallel and angle
brackets.
Select a STATE
Program the required Beam sensor STATE, the factory default
is STATE 0.
Alignment indications
Interpreting the alignment indications given at a beam device.
Align beam sensor pair
Align the ‘beam transmitter’ with ‘beam receiver’.
Time averages
Reading the time averages during beam sensor alignment.
Gain and STATE
Check the Beam STATE selected is applicable.
Check the Gain value after alignment is within the distance range.
Tests
Perform tests on the installed beam sensor pair.
Commissioning tool
Where required, configure the monitored input and working
indication features.
Beam STATES
Determine which Beam sensor STATE is required.
S4 Beam Sensor & brackets
(for Vigilon and Nano Systems)
This document describes how to adjust the
beam sensor using adjusters on the angle or
parallel bracket, align beam sensor pairs and
test the installation.
This Red LED illuminates during
alignment to indicate the sensor
has reached Saturation.
This Red LED illuminates during
alignment to indicate a low level
signal, which means the sensor
is Out of Specification.
These Green LEDs are lit during the alignment process to indicate the ADC bit level.
140 bits
180 bits
Less than 140 bits
More than 180 bits
Make adjustments in the X axis and Y axis, using adjusters on the beam sensor
bracket to let the highest Green LED to illuminate. The LEDs update
every 2 seconds, so make small adjustments and wait for the indication to refresh.
How to align a Beam Sensor pair
Overall process to align Beam sensor pair
During the alignment process all the LEDs on the 'beam transmitter' and 'beam receiver' act as a simple level
meter to indicate the ADC bit level. An increase in level causes the intensity of the particular LED to
increase, until the level is enough to turn on the next LED to the right.
The illumination of red LEDs on a beam sensor will indicate the level is either too low or too high and it is
important to carry out a sensor [Auto Gain] after adjustment of the bracket.
24188-968 issue 4_Part 2_07-12_S4 mains interface
S4 Beam Sensor & bracketsCommissioning information
{}
Params
1-207
[Device]
{}
Params
1-207
[Loop]
{}
Params
1-8
[C] [Q]
[E]
[Align]
<etc>
[Test/Eng]
[UserCode]
[Loop]
Enter the ‘device addressBeam receiver’
Enter theon which the Beam sensor pair are installedloop number
The Alignment function is activated.
Enter the ‘device addressBeam transmitter’
The alignment function will timeout after 1 hour.
SelectSelect
Engineering
Menu
Beams>
Select
16:15 Mon 16/02/09
Warning! Selecting this option will
initiate the beam autogain procedure.
Enter Beam RX Address [ 1]
AcceptQuit
Autogain
Select
Accept
To scroll the range 1-127
Loop>
Enter the ‘beam
receiver’ device
address
Enter theon which
the ‘beam receiver’ is installed
loop number
[AutoGain]
[Loop]
{}
Params
1-207
{}
Params
1-8
[C] [Q]
[E]
<etc>
[Test/Eng]
[UserCode]
[Loop]
Enter the ‘beam receiver’ device address
Enter theon which the ‘beam receiver’ is installedloop number
An ‘Auto Gain’ is carried out at the ‘beam receiver’.
"
On first power up of the system having beam sensors a light indication of 'Sensor out of Specification' is
given at each beam sensor, with the left most Red LED on the beam sensor lit.
jAssuming the beam sensor pair are in rough alignment at the control panel activate the [Autogain]
function on the 'beam receiver' of the beam sensor pair to be commissioned. You will need to know the
device address of the 'beam receiver' and the loop number on which it resides.
Procedure for Vigilon panel (Access level 3)
Procedure for Nano panel (Access level 4)
kUsing the options in [Test/Eng] menu put the required beam pair into [Align] mode.
Procedure for Vigilon panel (Access level 3)
4188-968 issue 4_Part 2_07-12_S4 mains interface3
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