Joblotron JS-25 Manual

Joblotron Overvågningskamera JS-25

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JS-25 COMBO PIR & glass break detector - 1 - MGD51303
JS-25 „COMBO“ P.I.R. & glass break detector
The JS-25 COMBO is an outstanding “two in one” detector, which
dramatically simplifies alarm installations.. This detector combines two
sensors (P.I.R. motion & acoustic glass break) in one housing. It provides
three independent outputs (P.I.R. alarm, glass break alarm and tamper).
The signal from the P.I.R. sensor is electronically analyzed. This ensures
that the detector provides excellent sensitivity and at the same time false
alarms are basically eliminated. The detection analysis rate can be adjusted
to increase its immunity if the JS-25 is installed in a problematic location. The
standard lens in the detector can be replaced with an optional corridor or pet
immune lens.
The dual technology glass break detector analyses air pressure changes
and sounds to detect the breaking of a glass window. The signal processing
guarantees a high sensitivity to the breaking of all types of glass. The
sensitivity can be adjusted to match various window sizes and mounting
distances. A memory feature enables the user to determine, visually, which
detector triggered the alarm.
For testing, the JS-25 is equipped with two LED indicators (red confirms
a P.I.R. alarm, green confirms a glass breaking alarm).
The COMBO distinguishes itself as a unique 2 in 1 solution with excellent
RF immunity.
Installation
The detector is designed for indoor applications. It can be mounted on a
flat wall or in a corner. Do not place the detector close to any heating/cooling
vents or near any other object that often changes temperature. Do not place
the detector close to any apparatuses that can generate air pressure
changes, low frequency noise or vibrations. The unit must have an
unobstructed view of the protected area and glass.
1. Open the cover of the detector (press in the plastic tab on the bottom
with a screwdriver).
2. Disconnect the cable connecting the front cover with the main PCB.
3. Remove the main PCB by pressing the flexible tab.
4. Punch through the pre-formed holes for cables and screws.
5. Attach the housing to the wall (2.5 meters above the floor).
6. Return the PCB into the housing and connect wires to the terminals.
7. Re-connect the cable and attach the cover.
Note: Avoid touching the P.I.R. sensor!
Terminals
+12V, GND power supply
PIR, PIR P.I.R. alarm output (normally closed)
TMP, TMP TAMPER output (normally closed)
GBS, GBS glass break alarm output (normally closed)
Jumpers
LED the red PIR indicator can be disabled by opening this jumper
DETECTION removing this jumper enables a higher rate of analysis and
increases the immunity of the PIR detector. This setting is
suitable for problematic locations with temperature changes or
electromagnetic interference.
MEM/TEST sets the green LED glass break indicator. In the TEST position,
this LED indicates air pressure changes by a quick flash and an
alarm triggering by a long flash. In the MEM position the LED
indicates a broken glass alarm memory. When the jumper is
disconnected, the green LED is disabled.
PIR detector testing
After switching on the power wait for 1 minute. During this period the
detector initializes and stabilizes its parameters (red LED will be on if not
disabled).
Each detected movement will be indicated by the detector’s red indicator (if
not disabled).
Check if the detector covers the protected area as you expected.
Glass break detector testing and adjustments
Set the MEM/TEST jumper to the TEST position (green LED will indicate
the triggering).
Strike carefully the glass with a cushioned instrument.
Attention, do not break the glass!
The green LED will flash shortly after a strike, if the air pressure sensor
sensitivity is suitably set. The sensitivity can be adjusted using the variable
resistor. Do not adjust too an excessively high sensitivity.
For complete testing of the detector it is recommended to use the GBT-212
glass break simulator. The green LED will light for 2 seconds if glass
breaking is detected.
glass break detector working range diagram
Notes for the glass break detector operation
The memory function can be used to determine the source of an alarm in
the system. If several detectors are used in one zone, you can set the
MEM/TEST jumper into the MEM position. Then, if this detector triggers an
alarm, the green LED will remain on until the MEM/TEST jumper is
disconnected. The detector operates as usual even while the alarm memory is
indicated.
If there is any automatic device in the protected area which can generate
a loud noise (air conditioning, heating or cooling systems etc.), ensure that
this noise does not trigger the glass break sensor. If it does, it is necessary to
relocate the detector or assure that these devices will not be on when the
security system is armed.
A glass break detector located at the entrance can trigger a false alarm
when the door is opened (air pressure change combined with keys clinking on
the glass or a door’s squeaking can simulate the sound of glass breaking). It is
recommended to connect the glass break detector into the delay zone of a
control panel.
PIR detector lenses
Sandard lens that is supplied with the JS-20 Largo detector covers
an area of 120 degrees / 12 meters. See the diagram on the right.

Produkt Specifikationer

Mærke: Joblotron
Kategori: Overvågningskamera
Model: JS-25

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