intelli-flex intelligent fence mounted cable type sensor a technological breakthrough in signal...
TRANSCRIPT
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Intelli-FLEX™ Intelligent Fence Mounted
Cable Type SensorA Technological Breakthrough
in Signal Processing for Cable-Type Sensors
ARITECHARITECH
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Introduction
Intelli-FLEX™• Cable-type intrusion detection sensor
(Fence Mounted)– outdoor and interior applications
• Provides an alarm if an intruder– attempts to climb over the fence– attempts to cut through the fence– attempts to lift the fence fabric– attempts to penetrate wall (indoor version)
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Typical Configuration
Dual zone deployment
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Vocabulary
Glossary of terms• Zone
– The area or sector that is being monitored.
• Sensor cable– The proprietary coaxial transducer cable mounted on the
fence.
• Non-sensitive cable– RG59/u coaxial cable that connects the processor to the
sensitive cable.
• Processor– Outdoor mounted electronics required to analyze the
sensor cable disturbance.
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Equipment List
Intelli-FLEX™ System Elements• Processor w/ enclosure and power
supply & battery charger• Program Module• Sensor Cable• Non-sensitive Cable• Splice Kit• Terminator Kit
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Theory of Operation
• Triboelectric Effect–Minute movement (flexing) of the cable will
produce a transfer of charge between conductors in the passive sensor cable. This measurable signal is monitored at one end of up to 1000 feet (300 m) of cable
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Supervision Circuits
Sensor cable supervision• Monitored by a small DC current• Terminated by a 1M ohm resistor (EOL)• If the cable is cut, shorted, or the
processor enclosure is tampered with, a supervision alarm will be generated
• Hall Effect” board mounted magnetic tamper switch.
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Cable Splices
Terminator/Splice Kits• UV protected and
weather resistant• Connect sensitive
cable to non-sensitive cable, or sensitive cable to sensitive cable.
UPPER HALF SHELL
END CAP
LOWER HALF SHELL
TERMINAL BLOCK
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Theory of Operation
Processor• Continually evaluates electrical signals
generated by the sensor cable, and converts the information to a digital format.
• Through “Adaptive Algorithms”, the processor will alarm if an intruders is trying to–Cut the fence fabric.–Climb the fence.– Lift the fence fabric.
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Key Hardware Features
“Standard” Dual Zone Processor Microprocessor - Based Backward Compatibility Low Power Consumption Full Lightning Protection Handy Programming Module Optional Weather Station
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Low Power Consumption
Only 70mA of current required for normal two zone operation
Small internal Gel Cel (.8AH) battery provides minimum 8 hour backup
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State of the Art Lightning Protection
Gas discharge tubes and transzorbs on all inputs and outputs provide maximum protection against lightning
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Backward Compatibility
Intelli-FLEX uses existing E-Flex Cable, Splices, Gate Kits and Tie Wraps
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Microprocessor Based
A powerful Motorola 68HC11 Series processor resides within each Intelli-FLEX system
Contains onboard A/D converters, memory and I/O dedicated to analyzing fence disturbance signals
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Enhanced Features
Separate Threshold Adjustments for Cut and Climb for each zone Extremely important in lowering nuisance alarm in demanding situations
“Learn Fence” Mode Internal Automatic Self Test
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Key Software Features
Adaptive Algorithms™ Ambient Compensation Common Mode Rejection “Learn Fence” Mode Separate Cut & Climb Thresholds Cipher Protected Adjustments Optional Built-in Transponder
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Theory of Operation
Processor (continued)• Operates on 20VAC or 12VDC.• Back-up battery provides over 8 hours
of operation during power failures.• Operationally tested from -30 o C to
+70 o C.
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Adaptive Algorithms™
Sophisticated software code written to change or modify system parameters as new information is received
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Ambient Compensation
Statistical analysis of digitized analog signals identifying properties inherent in wind & rain as they differ from cut & climb
Provides a “Dynamic Threshold” as weather events build, without sacrificing sensor performance or detection
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Common Mode Rejection
An event “qualifier” that compares identical weather effects on adjacent zones to verify ambient compensation measures
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Audio Option
Optional audio plug in board allows selection and monitoring of sensor cable signals.
Provides “Listen-in” capability On-board line amplifier Remotely switchable - Zone 1 or 2
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Weather Station Option
Enclosure mounted weather sensor provides simple rain and wind verification to the processor via A/D converter
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Multiplexer Option
Mux version of the Intelli-FLEX board provides data communication interface within the signal processor eliminating the requirement for outboard transponders or multiplexers
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Theory of Operations
Options (continued)• Weather Station–Provides weather data so the processor
may make intelligent decisions.
• Self Test Terminator–Provides a permanent and convenient way
to test zones remotely. No external power or wiring is required.
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Preparing for Installation
Installation Planning• Perimeter of installation• Perimeter structure• Mounting the processors• Monitoring and power wiring.
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Preparing for Installation
Site Survey• Should be conducted before installing
any system hardware• To ensure optimum performance...
–Mounting surface should be as stable as possible.
– Fences must be cleared of vegetation and any other objects that disturb the structure.
–A good earth ground should be achieved for the sensor processor.
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Preparing for Installation
Site Survey (continued)• Fence condition is critical to the
trouble-free and efficient operation of the Intelli-FLEX sensor.–All fence framework should meet or exceed
minimum specifications outlined in the installation manual.
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Preparing for Installation
Determining a List of Materials• The Intelli-FLEX™ sensor system is
supplied in kits for installation convenience.–Single zone kits
–Dual zone kits
• All Intelli-FLEX hardware components may be purchased individually.
• Options enhance the overall effectiveness of secure facilities.
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Typical Configuration
Processor installation (single zone)
SKJ-8(JUNCTION)
SENSOR TIE
(TERMINATOR)SK-8
NON-SENSITIVE
PROCESSOR
WRAPCABLE
CABLE
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Installation
Junction devices• Moisture proof• Connects sensor cable to non-sensitive
feed cable, or sensor cable to sensor cable, and holds termination resistor/card.
UPPER HALF SHELL
END CAP
LOWER HALF SHELL
TERMINAL BLOCK
UPPER HALF SHELL
LOWER HALF SHELL
TERMINAL BLOCK
1M RESISTOR
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Installation
Sensor cable• Mounted directly to the fence• May be mounted in conduit• Secured by UV protected tie wraps
every 12 inches (.3m)
INCORRECT CORRECT
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Installation
Sensor Cable (continued)• Fences >8 feet (2.5 m) in height should
have double passes.
DOUBLE-PASSED FOR OPTIMUM DETECTIONFENCES OVER 8 FEET (2.5 METERS) HIGH MUST BE
1/3 HIEGHT
1/3 HIEGHT
1/3 HIEGHT
(TERMINATOR)
(JUNCTION)SK-8
SK-8
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Installation
Sensor Cable (continued)• Fence at corner posts need additional
sensitivity due to the rigidness of the fence.
1/4 FENCEHEIGHT
HEIGHT1/4 FENCE
SENSOR CABLE AT 1/2 FENCE HEIGHT
LOOP
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Installation
Gates• Protected gates
SK-8
RG-59 IN PVC CONDUIT 18" (46 CM) UNDERGROUND
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Installation
Gates (continued)• Unprotected gates
SK-8
RG-59 IN PVC CONDUIT 18" (46 CM) UNDERGROUND
SK-8
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Installation
Gates (continued)• Protected sliding gates may use EJ-8
Quick Disconnect Assembly
MALE CAP
HOSE CLAMP
SK-8EJ-8 FEMALE
CABLE TIE
CABLE TIE
EJ-8 MALE
CAPFEMALE
SK-8
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Installation
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Remote Self Test
Remote Test Option• Generator board (no local power req’d)
CAPEND
TB2
Circuit Card
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Calibration
Configuration Module
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Calibration
Program Module for Setup& Config
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Calibration
Program Module Modes • Monitor mode–Operator can monitor the detection
activity for the indicated zone ant threat scenario.
• Configure mode–Operator can view and change the
Operating Parameters, and Functional Parameters while in this mode. No alarms are reported in this mode.
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CalibrationFactory default Threat Assessment parameter settings
Zone Threat Operation Factory Setting
1 Cut Time Window 30 seconds
1 Cut Threshold 5
1 Cut Cut Count 4
1 Climb Time Window 20 seconds
1 Climb Threshold 5
1 Climb Climb Time 2 seconds
2 Cut Time Window 30 seconds
2 Cut Threshold 5
2 Cut Cut Count 4
2 Climb Time Window 20 seconds
2 Climb Threshold 5
2 Climb Climb Time 2 seconds