Transcript RF Solutions - UTC Fire & Security

RF Solutions
433 MHz Range
Contents
• General Introduction - RF
• Overview of System Features
• Product Range
Wireless In Everyday Life
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Radios
TV’s
Cordless Telephones
Garage Door Openers
Cellular phones
Wireless Technology
• RF - the specific cycles per second of
electromagnetic waves travelling through the air
without wires.
• RF is measured in Hertz
• Frequency Bands are allocated and controlled by
the PTT
• Common uses of RF
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Cell Phones - 900-1800 MHz band
Pagers - 900 MHz band
Garage Door Openers - 300 MHz band
Security Systems - 300 - 900 MHz bands
Wireless Security Systems
• 40 MHz - 7.5 m Wavelength, Great
Open Air range, Poor Structural
penetration, Good Battery Life
• 433 MHZ - 0.80 m Wavelength, Good
Open Air Range, Good Structural
Penetration, Excellent Battery Life
• 868 MHz - Great structural penetration.
A dedicated security bandwidth. Good
battery life.
Wireless Transmission
• To transmit information using RF a
carrier and some type of modulation
is required
– Carrier - the specific frequency to
carry the information
– Modulation - the means of encoding
information on the carrier frequency
System Features
• General
– Fully compatible with the CS Range
– 433.92 MHz frequency
– Typical battery life : 5-8 years
– Transmitter Range ;
• Keyfobs 150 m (open air)
• PIR & Smoke Detector : 300 Metres
– Standard Consumer Batteries
– Proven Detector technology
System Features Cont’d..
• General
– Learn-Mode Technology
– System Integrity
– Narrow Bandwidth
– Spatial Diversity Receiver
Learn Mode Technology
• Unique ID number assigned to each
device at the factory
• During system programming the
control panel Learns the specific
device (ID number) into its memory
• The device ID number is part of
the 58-bit word data pack
Learn Mode Technology
• Learn Mode Technology
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Patented 58 - 66 Bit Transmission packet
Synchronization Bits
Start bit
Individual point identification
Low battery detection
Sensor status
Sensor identity double-checked
Stop bit
Sensor Transmission
LEARN MODE 58-BIT SENSOR TRANSMISSION FORMAT
START
SYNCHRONIZATION
LOW BATTERY
20-BIT TRANSMITTER ID CODE
END
INPUT LATCH
58-BIT SAMPLE TRANSMISSION
PARITY
4080G02A.DS4
Asynchronous Transmission
RANDOM TIMING 125 msec to 487 msec
20 msec
125 msec
20 msec
350 msec
20 msec
400 msec
4080G03A.DS4
When A Sensor Transmits
• It tells the receiver it is an ITI
transmitter
• Sends a sensor ID number
• Tells the receiver what device type
it is (Door/Window, Smoke, Motion
etc.)
• Gives the status of the sensor
• Indicates a low battery if
necessary
When A Sensor Transmits (Cont.)
• 8 Rounds Of Data When Sensor Is
Activated
• 8 Rounds Of Data When Sensor Is
restored
• 3 Supervisory Rounds Every 64
Minutes
• Sensors Must Check In Within a
Prescribed Amount Of Time To
Satisfy The panel
Wireless System Integrity
• Supervised - all devices report to
the panel at a programmed interval
• Low Transmitter Battery - each
device monitors its own battery and
when low sends the appropriate
signal to the control panel
• Sensor Contention - each devices
transmit on a different timing
interval to prevent signals canceling
each other out.
Supervised Transmission
Definition: Transmitters report every 64
minutes
1. ‘I’m working fine’
2. ‘My battery is low’
3. ‘I’m open/closed
A trouble condition is generated when a
sensor has a problem
Narrow Band Advantages
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Smaller System devices
Longer Battery Life
More Reliable
Low Current Consumption
Quieter Frequency
Penetrates Buildings Better
What A Receiver Does?
• Listens For Specific Radio
Frequency Signals
• Spatial Diversity To Help Eliminate
Phase Nulls & Dead Spots. The
Receiver Switches On/Off Every
Millisecond
• Does Not respond To Noise Or
Interference From Outside Sources
Dead Spots & Phase Nulls
• Filing Cabinets
• Foil Backed
Insulation
• Mirrors
• Metal Ductwork
• Anything That Can
reflect Signals
• Multiple Signals
That Reach The
Receiver At The
Same Time Can
Cause A Phase
Null
Receiver Advantages
• Spatial Diversity Via Dual-Antennae
Switching
• Superhetrodyne Receiver converts
the carrier frequency to lower one
and filters out unnecessary noise.
• Good Open Air range
Product Range
• 8 or 16 point 433 MHz Receiver
• Receiver can be mounted
remotely or in panel housing
• Passive Infra-Red Detector
• Smoke Detector
• Door/Window Detector
• Two button keyfob
• Four button keyfob
• Water resistant panic button
• ‘Sniffer’ diagnostic tool
PIR
• Volumetric Coverage 9 x 16 m
• Next generation ASIC with ‘4D’
processing providing improved
detection & false alarm immunity
• Precision ‘Gliding focus curtain’
• True-range control (Autofocus)
for stable performance in all
rooms
Door/Window Detector
• Provided with a magnet
magnet for protecting
windows
• Selectable input for NO
or NC external switch
(disables door/window functionality)
• 2 internal reed switches
allow vertical or horizontal
mounting
Smoke Detector
• Pry-off tamper
• Field-exchangeable & disposable
optical chamber
• Floating background with drift
compensation
• Automatic self-diagnostics
– Dynamic full detector test
– Sensitivity test
– Manual self-diagnostics provides
‘Clean-Me®’ signal which indicates
that the detector requires
servicing(1)
(1)
Currently not processed by panel
Keyfobs
2-button
• Portable wireless keyfobs
• For arming/disarming, panic
alarm
• 4 button; programmable
buttons to activate an output
4-button
Water-Resistant Pendant
Panic Sensor
• Water and shock
resistant
• Recessed button prevents
false alarms
• Activates a 24-hour
emergency alarm
• Can be worn around the
neck or its built-in clip
allows the sensor to be
attached to a belt or
purse
‘Sniffer’ Diagnostic Tool
• Portable Diagnostic
Tool
• Provides audible
indication of sensor’s
transmission
• Ideal for initial
installations or
trouble-shooting a
system