sb-n : technical workshop 1. general presentation quick and easy settings alignment feedback buzzer...
TRANSCRIPT
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SB-N : Technical Workshop
1
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General Presentation
QUICK and EASY settings
• Alignment feedback
• Buzzer and Leds indication
• One person to set-up the columns
The new SB Beams offer a high performance of detection level combined with a simplified installation.
High performance of DETECTION
• Constant detection no matter what the distance
• No detection gap between cells
IDENTICAL columns
• 1 product reference, no difference between the transmitter and receiver columns
• Quick installation and maintenance
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i DIS 100Hz : Every cell/column is identicalPatent
N° 06 02310
TX RX
Tx Rx
Tx+
Rx
Tx+
Rx
New Fresnel Infrared cells integrating the Tx and Rx functions (DIS)
TX+
Rx
All cells are identical
2 different cellsSB
SB-N
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i DIS 100Hz: Alignment Feedback
SB
-Several walks between columns or with the help of a colleague to align each barrier
SB-N
-One return trip to align each barrier
- easier & faster to align
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i DIS 100Hz: Contacts available on every column
Alarm contacts available on every column
Technician can adapt cabling of columns according to the site
Technician doesn’t need to worry about installing Tx or Rx columns in a specific place according to a plan.
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ii Alignment
« 80% of the problems linked to infrared barriers are due to incorrect alignment »
SB is just as reliable as any other infrared
barrier, however the SB is harder to align
SB-N is easier to align and optimises
the alignment to eradicate problems linked to an
incorrect alignment
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ii Alignment: Integrated Alignment Tools
No external alignment tool (eg. Voltammeter) is required.
The alignment tools are integrated inside each column.
- Buzzer
- LEDs
- Optical View finder
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ii Alignment: SB
Difficulty to align SB (the longer the range, the harder it is to align)
No information concerning the level of received signal on the Tx column
Need the Alignment Tool SB51
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ii Alignment: SB-N
SB-N Alignment
D.I.S. Technology allows an automatic TX alignment• Integrated Alignment Tools– Optical viewfinder– LED indicators– Powerful buzzer
1 person needed for an optimal alignment
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ii Alignment: Fresnel Lens
The Fresnel Lens centralizes the light signal either transmitted or received.
This offers a greater tolerance to misalignment and a better signal level in adverse weather conditions (strong wind, fog, snow, etc.)
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iii When do infrared barriers trigger an alarm?
4
V
t
0,8
80% Alarm Threashold =
-80% of Reference Level
Infrared Signal
Alarm Threashold
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iii Influence of fog and dirt on triggering an alarm (without Automatic Gain
Control)
V
4
t
0,8
Infrared Signal
Alarm Threashold
1
Fog or dirt on the cover
Little room to avoid unwanted alarms
20% fall in
infrared signal = Alarm
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iii Influence of columns installed close on triggering an alarm (without Automatic Gain Control)
V
4
0,8
Infrared Signal
Alarm ThreasholdToo much room to have an alarm
90% fall in
infrared signal = Alarm
6
Columns installed close to each other or indoors
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iii SB-N: With Automatic Gain Control
V
4
t
0,8
Infrared Signal Increase or decrease the Gain to keep reference level
80% fall in
infrared signal = Alarm
Whatever the weather conditions, SB-N will always have a 80% difference between the reference level and the alarm threshold.
This makes the SB-N more reliable than other systems in adverse weather.
Reference Level
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iv Without Multiplexed Beams
If the infrared beams are not multiplexed then the detection will be poor as receiver cells will receive infrared light from all transmitter cells.
If all the beams are not cut there is a risk that the receiver cell will continue to receive infrared light and so no alarm will be triggered.
TxRx
Intrusion: but Rx cell is still receiving infrared beams from other cells and so there is a risk that no alarm is triggered.
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iv SB-N: Multiplexed & Synchronised Beams
Time
With the multiplexed beams of the SB-N, we know exactly which beam(s) is/are cut and so we have an accurate and reliable detection.
Because we multiplex, we need to synchronise the beams at the same time.
Synchronisation means that the Rx cells “open the door” at the same time that the opposite Tx cells are emitting infrared light.
Because we know which beams are cut, we can also have a dual beam detection of parallel beams because we know that the beams that are cut are adjacent.
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iv SB-N: With Multiplexed & Synchronised Beams
What are the advantages of having multiplexed and synchronised beams?
• The detection is more reliable. Why?
i Because the Rx cells only receive an infrared signal from 1 Tx cell so there is no interference from other Tx cells.
ii Because it allows us to have a detection between modules and so there are no dead zones between modules, but a wall of infrared that cannot be breached.
iii Because it allows us to have a dual parallel beam detection (between cells and between modules) that will greatly reduce the number of unwanted alarms from birds and flying objects.
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v Channels: SB-N
SB-N : Optical synchronisation per cell.
Because the modules are multiplexed and synchronised (via the inter-connection cable), there is only one pair of cells emitting and receiving an infrared signal at any time. Thanks to this, we only need to have one channel per barrier.
This also means that we avoid any interference between barriers installed in a long line.
C1
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vi SB-N: Inter-Connected Modules
Tamper
Dry Contacts
-Intrusion
- Disqualification
Thanks to the inter-connected modules, there is much less cabling with the SB-N columns.
TamperTamperTamper
SB SB-N
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Glossary: SB
Stand-alone Modules
Columns
Mono-detection
Dual-detection (between cells of the same module only)
Mono-detection of bottom beam
Intrusion
Disqualification
Tamper
Channel
Automatic Gain Control (1st Generation)
SB51 Alignment Tool
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Glossary: SB-NStand-alone Modules
Columns
Mono-detection
Mono-detection of bottom beam
Intrusion
Disqualification
Tamper
Channel
Automatic Gain Control (Second Generation)
SB51 Alignment Tool
Inter-connected modules
Slave Modules
Master Modules
Dual-detection (between cells and between modules)
Integrated Alignment Tools
DIS 100HZ
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SB & SB-N: Stand-Alone Modules
SB450-N & SB4100-N
• Detection Mode
• Channel
• Channel
SB250-N, SB2100-N SB4200-N *
• Channel
SB = SB-N*no mono-detection of bottom beam
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SB & SB-N: Set-Up (Modules)
• Step 1: Cable power supply & relay contacts
• Step 2: Define the channel
• Step 3: Define the mode of detection for SB450 & SB4100
• Step 4: Align the cells (Integrated alignment tools with SB-N)
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SB: Columns
SB2XXX SB4XXX
C1
C2
C3
C4
C1
C2
No detection between modules
Multiple
channels
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SB SB-N =C1
SB-N columns are NOT installed in the same way as SB
SB-N: Columns
C2
C3
C4
C1
Inter-module connections-dual-detection mode
- one channel per barrier
- centralised relay contacts
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Position of the Modules inside SB-N Columns
SB
SB : Define the channel of each module within the column
SB-N
1
2
3
4
SB-N : Define the position of each module within the column
4
3
2
1
C2
C3
C4
C1
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SB-N Set-Up (Columns)
Step 1: Cable power supply, relay contacts & inter-module connections
Step 2: Set up the modules as Slave modules
Step 3: Define the position of each module
Step 4: Define the position of the master module
Step 5: Define the channel on the master module
Step 6: Define the mode of detection
Step 7: Activation of mono-detection on bottom beam (optional)
Step 8: Align the cells
With SB-N columns, there are more steps to follow to set-up the columns. However they bring added value to the technician in terms of facility and speed of installation as well as reliability.
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Step 1: Cable the power supply, relays & inter-module connections
12V 12V 12V 12V
INT/DISQ
INT/DISQ
Recommendation: cable the relay contacts from the module in position 2. This module will become the Master module
RS485 inter-module connections
TMP TMP
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OFF
ON
Set up the modules as if they were all Slave Modules
Switches 3 & 4
OFF
ON
OFF
ON
OFF
ON
Step 2: Set up the modules as Slave Modules
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Position 1
Position 2
Position 3
Position 4
ON
OFF
ON
OFF
OFF
ON
OFF
ON
Switches 1 & 2
Step 3: Define the position of each module
S1 S2
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Step 4: Define the Master module in Position 2* (*recommendation)
Master Module
1
2
3
4
The Master Module manages
• Alignment
• Relay Outputs
• Channels
• Detection Mode: mono or dual
• Response Time
Switches 3 & 4ON
OFF
• Relay contacts
• Select button for alignment
• no mono-detection of bottom beam
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Step 5: Define the channel on the Master module
Master Module
1
2
3
4
Switches 1 & 2
C
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Step 5 Cont. : 1 channel per barrier
C1 C2 C3 C4
ON
OFF
ON
OFF OFF
ON
OFF
ON
Switches 1 & 2 Switches 1 & 2 Switches 1 & 2 Switches 1 & 2
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Step 6: Define the mode of detection on the Master module
Switch 5
OFF
Switch 5
ON
Mono-Detection Dual-Detection
S3 S4 S5Switch 5
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Step 7: Activation of mono-detection of bottom beam Optional
1,5s
OFF
S5
Possibility of having mono-detection of bottom beam as well as dual-beam detection on the other beams
Mono-detection of bottom beam only possible on Slave modules
Switch 5
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Step 8: Align the cells using the alignment tools on the Master module
- LED
-Select alignment mode
- select cell number
- Buzzer
-Optical View Finder
- Every cell on each module
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Summary
Added value thanks to the latest infrared technology simplifies the installation of the SB-N modules and columns as well as increasing the reliability for the end-user.
• Optimised Alignment thanks to integrated alignment tools
- Optimising the alignment = optimising the detection and reducing unwanted alarms
• 1 Channel per barrier
- Greatly reduces the risk of interference between columns
• Detection between modules thanks to inter-connection modules
– Detection for the entire height of the column with no dead zones
• Less cabling
– Alarm contacts available on all columns & taken from 1 module only Over to you….