Visonic DISCOVERY PIR MCW User Manual
DISCOVERY PIR MCW
Wireless PowerCode PIR Detector
1. FEATURES
• Includes a fully supervised PowerCode transmitter
• Patented sophisticated motion analysis algorithm - True Motion
Recognition (TMR™)
• Two-position vertical adjustment for coverage pattern
• Integral swivel bracket for wall or ceiling installation
• Programmable motion event counter - ON (default) or OFF
• Front cover tamper switch
• Back tamper switch (option)
• Full stabilization achieved 30 seconds after power up
• After detection, the detector disables itself to save battery
power. It reverts to the ready state if there is no subsequent
detection throughout the following 2-minute period.
2. SPECIFICATIONS
OPTICAL
Detector Type: Dual element low-noise pyroelectric sensor.
Detection Pattern: 90° wide angle lens with 19 dual zones in 3
detection
Adjustment: 2-position vertical adjustment scale: FAR and NEAR.
ELECTRICAL
Internal Battery: 3V Lithium battery, type CR-2.
Nominal Battery Capacity: 750 mAh
Standby Current Drain: 0.015 mA
Transmit Current Drain: 20 mA (including LED)
Battery Life Expectancy: 3 years (for typical use)
Battery Supervision: Automatic reporting of battery status with
each alarm and with periodic supervision message.
FUNCTIONAL
True Motion Event Verification: 2 position selector - 1 (OFF) or
2 (ON) motion events.
Alarm Period: 3 seconds.
layers. Max. coverage is 15 x 15 m (50 x 50 ft).
Figure 2. Coverage Pattern
Installation Instructions
• Automatic termination of
walk-test after 15 minutes
• Low current consumption
• Microprocessor-controlled
temperature compensation
• Sealed chamber protects
the optical system
• White light protection
• Elegantly styled, sturdy
case
• Keyhole-shaped slot for
easy removal of PCB
Visual Indications:
LED lights for about 3 seconds upon transmission of alarm &
tamper messages and upon each motion detection in the walk
test mode.
LED flashes during the power-up stabilization period, or after
restoring (pressing) the tamper switch.
LED does not light upon transmission of supervision messages.
Rearm Timer: Rearms the detector 2 minutes after the last alarm.
Timer disabled in the walk test mode.
WIRELESS
Frequency (MHz): 315 (U.S. version), 433.92, 868.95, 869.2625
or other frequencies according to local requirements.
Transmission Sequence: 3 data bursts at variable intervals
within 3 seconds.
Encoding: 24-bit ID, over 16 million possible combinations.
Total Message Length: 36 bits.
Tamper Alert: Reported when a tamper event occurs and in any
subsequent message, until the tamper switch is restored.
Supervision Message: Signaling at 60 minutes interval (U.S.
version), 15 minute interval (UK version) or according to local
standards.
MOUNTING
Height:
With bracket : Up to 3.6 m (12 ft)
Without bracket: 2 - 2.6 m (6.5 - 8.5 ft)
Installation Options:
With bracket: Surface or ceiling
Without bracket: Surface or corner
Bracket Adjustment: 20° downward, 20° left and right.
ENVIRONMENTAL
RFI Protection: >30 V/m up to 1000 MHz.
Operating Temperatures: -10°C to 50°C (14°F to 122°F).
Storage Temperatures: -20°C to 60°C (-4°F to 140°F).
Compliance with Standards: Designed to meet FCC Part 15
and Directive 1999/5/EC of the European Parliament.
EN 50131-1, Grade 2, Class II
PHYSICAL
Dimensions (H x W x D): 117 x 65 x 47 mm.
(4-5/8 x 2-9/16 x 1-7/8 in.).
Weight:
Color: White
PATENTS: U.S. Patent No. 5,693,943
92 g (3.25 oz) without bracket, 107 g (3.75 oz) with bracket.
Figure 1. External View
DE3632 1
3. INSTALLATION
3.1 Installation Hints
To minimize false alarms:
Do not aim at heat sources
Do not expose to air draughts
Prevent direct sunlight from
reaching the detector
Do not install behind partitions
Mount on solid, stable surfaces
Do not install outdoors
Keep wiring away from
electrical power cables
SWIVEL
BRACKET
KNOCKOUT
RF
MODULE
KEYHOLE
VERTICAL
ADJUST.
SCREW
MOTION
EVENT
COUNT
JUMPER
VERTICAL
SCALE
CORNER
MOUNTING
KNOCKOUT
(1 OF 6)
Figure 4. Inside View
COUNTER
DISCOVERY
PIR MCW
ON
OFF
FAR
NEAR
ONOFF
LED
LITHIUM
BATTERY
LED
PIR
SENSOR
FRONT
TAMP ER
SWITCH
BACK
TAM PE R
SWITCH
(OPTION)
LED
CONTROL
JUMPER
MOUNTING
KNOCKOUT
(1 OF 3)
C. Punch out the mounting knockouts at the base (for surface
mounting) or mounting knockouts at the angled sides of
the base (for corner mounting).
Attention! The unit has a back tamper switch (option) under the
PCB. As long as the PCB is seated firmly within the base, the
switch lever will be pressed against a special break-away base
segment that is loosely connected to the base (Figure 5). Be sure
to fasten the break-away segment to the wall. If the detector
unit is forcibly removed from the wall, this segment will break
away from the base, causing the tamper switch to open. It is
advisable to pierce the anti-tamper knockouts from within the
base outward, while pressing the rear surface of the breakaway segment against a piece of wood.
3.2 Battery Insertion
It is recommended to power up the detector and let the target
receiver “learn” the transmitter’s ID before actual installation. This
can be done only after battery installation.
A. Remove the front cover as shown in Figure 3.
Figure 3. Cover Removal
B. Insert the battery into the battery clip - observe polarity (see
Figure 4).
C. Press the tamper switch once and release it. This will
perform the reset necessary for smooth power up.
D. Put the cover on and observe the LED. It will flash until the
detector stabilizes (within about 30 seconds).
3.3 Enrolling the Transmitter ID
Refer to the target receiver’s installation instructions and follow the
procedure given there for “teaching” the transmitter's ID. It is much
easier to carry out this operation in close proximity to the receiver.
Figure 5. Anti-Tamper Break-Away Base Segment
D. Hold the base against the wall at the selected location, mark
the drilling points, drill the holes and attach the base to the
wall.
E. Return the PCB to its place: align the ”keyhole” with the
head of the vertical adjustment screw, press the PCB
against the base, slide the PCB up and temporarily tighten
the screw.
3.5 Mounting with Swivel Bracket
A. Remove the front cover as shown in Figure 3.
B. Loosen the vertical adjustment screw, slide the PCB down
and remove it via the “keyhole” (see Figure 4).
C. Punch out the large knockout in the round bulge at the top
part of the base (see Figure 6).
D. Assemble the bracket as shown in Figure 6.
3.4 Mounting without Swivel Bracket
A. Remove the front cover as shown in Figure 3.
B. Loosen the vertical adjustment screw, slide the PCB down
and remove it via the “keyhole” (see Figure 4).
Figure 6. Attaching the Bracket
2 DE3632
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