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Application guidelines
IS404: Curtain detection, range 120m.
IS404H: Curtain detection,with heating,
range 150m.
Installation
Coverage zone (Fig. 1)
The detector reacts to fast and slow movements
of an intruder within the specified environmental
conditions. The detection capacity is, however,
reduced where there is only a slight temperature
difference between the intruder and environment or where weather conditions are extreme.
The reaction of the detector is most sensitive to
movements which are transverse to the coverage zone.
The coverage zone is limited by walls and
other objects.
The following points shall be noted to obtain
optimum sensitivity and reduce false alarms.
−Align the coverage zone so that it is bounded
at the end by a reference which is as uniform
as possible (floor, wall).
−Align the detector so that a potential intruder
has to pass through the complete coverage
zone.
−There should be no large objects within the
coverage zone, which, for instance, could
move considerably due to wind gusts (large
branches, bushes, high grass).
−The inadvertent intrusion of people and animals must be prevented, e.g. by a fence.
For installations where the range of a detector
is not sufficient, subdivide the area to be monitored into sections covered by several detectors.
Note that the masking of the coverage zone
is not monitored.
Mounting (Fig.2)
The detector is to be mounted 2.5m to 4.0m
above the ground
−either by screwing to a stable surface
or
−strapping to a stable pole.
The cable inlets must not be changed.
Do not seal the cable inlets because otherwise condensation can form within the detector.
If the cable diameter is too small, reinforce
the cable using insulating tape.
Alignment of detector
The detection range of a PIR detector is not limited but a function of size, speed and temperature
contrast of a target against its background. The
detector should be aligned so that a natural or artificial background at the end of the range terminates the field of view.
For details refer to fig. 3
The monitored area must then be checked
by a walk test. Refer to ”Walk test” section.
Wiring (Fig. 5)
The diagram shows the terminal block connections.
Programming
Sensitivity
The various settings of the IS404 are made by
means of multiple DIP−Switches on the printed
circuit board.
DIP1−DIP2 Sensitivity
IS404 IS404H DIP 1 DIP 2
60m 75m OFF OFF
84m 105m OFF ON
Max. Max. ON OFF
Software Software ON ON
The DIP–Switches 1 and 2 are for sensitivity
setting depending on the required detection
range. If the maximum required range is less
than the nominal range of the detector, it is recommended to reduce the range setting to reduce nuisance alarms.
Mounting height
The IS404 is designed for mounting at heights
between 2.5 and 4.0 m above ground. The DIP −
Switch 4 is used to set the relative sensitivity of
all detection zones in function of the mounting
height as recommended below:
DIP4 Mounting Height
Low <3.0m OFF
High >3.0m ON
If the mounting height is less than 2.5 m, a detection gap at app. 10 m distance may be observed
for fast movements. This is due to the overlap of
the three zones and resulting rejection of simultaneous signals.
Adaptive threshold decoding (ATD)
The background noise is constantly averaged
and used to adjust the threshold levels for the
alarm. This special feature is reducing the probability of nuisance alarms caused by wind, moving vegetation or objects that have a thermal
contrast although usually weaker than a person.
DIP3 Adaptive Threshold Decoding
ATD OFF OFF
ATD ON ON
Internal Heater (IS404H only)
A regulated heater connected to the electronic
board and powered by the supply voltage of the
IS404H prevents the optical surfaces from fogging or frosting and maintains the internal temperature at optimal levels.
Walk test
Doing walk test using the ISWT41, in HW mode
the DIP−Switch 5 needs to be set to ’on’. After
the walk test, the ’test’ mode needs to be
switched ’off’.
DIP5 Walk Test
Test OFF OFF
Test ON ON
Important: The transmitter ISWT41−T of the
cordless installation tester has to be placed
within the housing with the detector cover closed
and securely tightened. The antenna of the
transmitter needs to be placed straight in the detector housing.
Anti Vandal Function
The IS404/IS404H is equipped with a sophisticated protection against vandalism. These detectors can sense certain changes of their alignment from the original position as set during the
installation. A change of the detectors alignment
generates a permanent alarm until the detectors
alignment is back in its original position or until
the position has purposely been reset.
After the turn−on time of typ. 60 seconds from
power on, the detector determines and stores its
alignment position (only with detector cover
closed).
After opening and closing the cover with the unit
powered on, the detector determines its alignment position and stores the position value after
5 minutes again without having the detector in
permanent alarm state.
The anti vandal sensor can be reset with a power
off−on (60 seconds).
DIP6 Anti Vandal Function
Anti Vandal OFF OFF
Anti Vandal ON ON
Hardware Mode:
When operating the detector in the HW mode,
the anti vandal function is activated by setting
’DIP’ switch 6 to ’ON’
Maintenance
Check the detector regularly (at least twice a
year) for correct functioning (walk test), cleanliness and security of attachment.
−Clean the detector window only with a soft
cloth. Do not use solvents.
−Check the inside of the detector for humidity
and correct sealing of the cover.
−After extreme weather conditions (storm,
snowstorm, hail etc.), check the detector for
damage. Remove snow or dust from the detector window.
Accessories
Interface Module ISIF485B and Installation Software
The Installation Software is very useful for alignment and signal check during setting up and routine maintenance. It will indicate the amplitudes
generated by wanted as well as unwanted targets and help setting the gain control correctly
during walk tests and also show the magnitude
of disturbance signals. The installation software
is to be installed on a PC; an interface module is
required to convert RS232/USB to RS485. The
information for installation and signal monitoring
is displayed on the screen of the PC.
If more than one detector is connected to the
same RS485 communication bus, each detector
needs to have a different address (ID)
The RS485 standard requires a bus topology. To
ensure proper communication, the data must be
terminated on both ends. The ISIF485B features
a built−in termination resistor.
The input cable is 5.0m long and is terminated
with a RJ12 connector fitting into the test socket
on the electronic board of the detector.
Technical data
Supply
Supply voltage 10,5...30,0VDC/24VAC
. . . . . . . . . . . . . . .
Power consumption (at 12VDC):
− quiescent current IS404 / IS404H 18mA
. . . . . . . . . . .
Heating power: typ. 2W at −40°C. . . . . . . . . . . . . . . . . . . .
Alarm outputs
Relay open on alarm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− alarm holding time >2.5s. . . . . . . . . . . . . . . . . . . . . . . . . . .
− contact load 30VDC/100mA. . . . . . . . . . . . . . . . . . . . . . . .
Electronic output, terminal 4 alarm ⇒ 0V. . . . . . . . . . . .
open collector
Tamper contact
− contact load 30VDC/100mA
. . . . . . . . . . . . . . . . . . . . . . . .
Environmental conditions
− operating temperature
IS404 −20°C...+60°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IS404H −40°C...+60°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
− air humidity EN60721 <95%rF, not condensing. . . . .
− housing protection
class EN60529, EN50102 IP64
. . . . . . . . . . . . . . . . . . . . . .
Order information
IS404 PIR detector, curtain A5Q00005097. . . . . . . . . . .
IS404H PIR detector, curtain,
with Heater A5Q00005096
. . . . . . . . . . . . . . . . . . . . . . . . . . .
ISIF485B Installation module
and SW A5Q00026219
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISMD41−3 Pole Mount Hardware A5Q00026220. . . . .
ISWT41 Cordless Walktester A5Q00026218. . . . . . . . .