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OPERATION
INSTALLATION
SENSITIVITY
This board is placed inside the device to detect electrical distur-
bances generated by nearby radio transmitters and/or electrical
discharges and it immediately interrupts the power supply 115V by
sounding an alarm.
It operates on attempted tampering due to:
: in the presence of a high level of radio
frequency, the Radio-Spark causes the interruption of 115V
power and activates a signal alarm with a beeping sound (1
beep every 0.5s) for 5 seconds. The range of the radio
frequencies detected is vast and covers all those that have
been found to be dangerous.
:
in this case the alarm is signalled by a fast intermittent sound.
: the device is powered 5 seconds
after the switch is stable in the “on” position.
For safe use of the device, the Radio-spark has to be placed inside
by the manufacturer.
It is advisable that the device is provided with a line filter placed in
the 115V entry so as to avoid strong disturbances coming from the
outside causing undesired alarms.
Please, make connections as
indicated by the instructions
given on the schematic.
The two 115V power wires coming from the device general switch
(after the line filter) have to enter into the terminal blocks V -A and
V -B of the Radio-Spark board. Such power, if not interrupted by
an electrical disturbance, comes out from the V
-A and V
-B
terminal blocks.
To the terminal block 5 and 7 of the Radio-Spark, two 50 cm long
insulated wires that work as antennae for capturing disturbances
have to be connected. You can use any insulated wire with a cross
section of 0,5~1mm .
: it should pass close to the dis-
charge-sensitive areas or it should be twisted around the wires
of the cabling of the device. The wire can be lengthened, if
necessary in order to achieve a greater sensitivity.
: the ideal position of the wire is
straight and away from other wires or metal structures. As for
small devices, it can be positioned together with the ESD
antenna.
It is possible to adjust either the sensitivity to electrical discharge
(SPARK Sens.) or to radio-frequency shocks (RF Sens.) (see
figure). Turn the respective trimmer clockwise (+) to increase the
sensitivity and viceversa to (-) decrease it. If this adjustment is not
sufficient you can lengthen the antenna to increase the sensitivity
or you can shorten it to decrease it.
: in case the test
1)
2)
3)
Radio transmitters
Electrical discharge (of gas lighters, piezoelectrical lighters, etc.)
Repeated power on and off
ESD Antenna (spark) wire
Radio-frequency antenna wire
Sensitivity to Radio-frequency (RF Sens.)
Connection to the power supply that has to be interrupted
Antennae Connection
IN
IN
OUT
OUT
2
per
instrumentation is not available it is advised that you put the
trimmer into the centre position. For the verification of the
effectiveness of the radio alarm it is advised to buy a common
portable transceiver 27MHz - 5Watt. The alarm goes
when
transmitting (with a completely charged battery) at 0,5~1m
distance from the device that has to be protected.
: by leaving the trimmer
in the centre position you achieve a maximum effect for most of
the devices you wish to protect.
It is advised to increase it (+) only when you happen to have a
board particularly sensitive to discharges, and to decrease it (-)
when you notice that there are often power cut-offs of the device
for no reason, which could happen in places with high distur-
bances on the power grid.
It is possible to activate the function Occasional-antidisturbance on
the Radio-spark, by jumping the JP5 point indicated on the board
by using a soldering iron.
Such function avoids the power off of the device in case of
occasional electrostatic discharge (similar to the one you experi-
ence by getting out of a car) or a strong
disturbance.
If the Occasional-anti-disturbance function is activated (closed
jumper) the power off of the devise happens only if the discharge
(or the strong
disturbance) is due within a minute from the
previous discharge, otherwise the discharge causes only a
sounding signal.
It is advised to activate that function only if the device is placed in
rooms with synthetic flooring, such as carpet (where electrostatic
discharges may happen) or where there are often
distur-
bances.
Max current allowed on terminal blocks V -A/B and V
-A/B: 10A
Power to Radio-spark board:
it uses the voltage which is on V -A/B terminal
blocks: 115Vac, 60mA max.
Typical operation time: 5ms (= relay
time).
Buzzer sound strength: 105dB at 30cm
Dimensions and weight: 104 x 51 x H42mm - 0.24kg
Sensitivity to discharges (SPARK Sens.)
“OCCASIONAL ANTIDISTURBANCE” function
TECHNICAL INFORMATION
IN
OUT
IN
off
grid
grid
grid
release
Controlling device for tampering due to radio frequency transmitters and to electrical
discharges (of gas lighters, piezoelectric lighters, etc...).
L
N
Relè
entry
115V
L
N
Power entry
Power exit
(it is interrupted by
the relay when the
disturbance occurs).
exit
115V
V A
IN
V
A
OUT
V B
IN
V
B
OUT
Ant. RF
Antenna Spark
Antenna RF
+
-
S
p
a
rk
SPARK Sens.
Sensitivity to electrical discharges
5
6
7
R
F
RF Sens.
Sensitivity to radio frequency
+
-
JP5
R
S
115
adio- parK-
(Art.A4-115)
Favero Electronic Design
A4-115-M02-IE Radio-Spark-115
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