Allmatic AFT25B Hızlı Başlangıç Kılavuzu - Sayfa 2

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AFT25B
1.
GENERAL DESCRIPTION
In the photocell AFT25B the transmitter can be powered with two 3.6V 2.7Ah Lithium-Tionyle Chloride batteries or with an external
power supply at 12-24 VACDC, selectable with a jumper.
The photocell has two terminals in which the output contact of a safety device (e.g. a rubber edge) can be connected, and it is
particularly suitable to be used in sliding gates, mounted on the moving wing, allowing to connect the edge safety device without long
cables or self-winding cables.
Battery life is more than 15 months.
The photocell is manufactured in compliance with the European directive 98/336/EEC (EMC).
2.
APPLICATIONS
In sliding gates or other kinds of installations where cables cannot be used or must be reduced (e.g. in existing installations where a
safety device must be added)
3.
MAIN TECHNICAL FEATURES
Power supply (TX)
Power supply (RX)
Consumption (TX)
Consumption (RX)
Enclosure
Size / Weight
Degree of insulation
Infrared wavelength
Relay contact capacity
Infrared beam range
Working temperature
Intervention time with photocell beam
interruption
Intervention time with actuation of
safety edge connected to terminal strip
Restore time
4.
RECEIVER TERMINAL BLOCKS
1
+12 ÷ +24 VAC/DC
2
0 V
3
N.C.
4
C
5
N.A.
5.
TRANSMITTER TERMINAL BLOCKS
1
+12 ÷ +24 VAC/DC
2
0 V
3
EDGE
4
EDGE
6.

INSTALLATION

-
Mount the photocell by using the supplied templates (fig.2)
-
Connect the wires as described in paragraphs 4 and 5 and select the source of power supply with the relevant jumper (J2, fig
1B):
POSITION A: external power supply 12-24 VAC/DC
POSITION B: battery
Connect the output contact of the safety edge (or other safety devices) to the relevant terminals (J1, fig. 1B). If this option is not
-
used, don't remove the existing short-circuit.
-
Align the beam with the receiver using the relevant adjustment screws "A" (fig. 2) on the receiver and transmitter.
-
Measure with a voltmeter the voltage at the receiver test-points (fig.3). This value varies in accordance with various parameters,
among which the distance between the photocells. The higher the voltage value at the test-points, the better the alignment.
Optimum voltage should be between 0,5 and 0,6 VDC.
Interruption of the infrared beam generates opening of the normally closed contact of the relay on the receiver and switching off
-
of the red LED.
6-1621998 rev.0 15/02/2013
ENGLISH
2 x 3.6V 2.7Ah Lithium-Tionyle Chloride
batteries
or external 12 ÷ 24 V ac/dc
12 ÷ 24 V ac/dc
< 500 µA
30 mA
ABS
110 x 50 x 25 mm 200g
IP 45
950 nm
0,5 A @ 24 V ac/dc
25 m nominal (8 m in external use )
-20 +55° C
< 40 ms
< 60 ms
< 120 ms
Power supply 12 - 24 V ac/dc
Common supply
Relay contact normally closed
Common relay contact
Relay contact normally open
Power supply 12 - 24 V ac/dc
Common supply
Terminal for safety edge contact
Terminal for safety edge contact
Fig. 1A
(RX)
1 2 3 4 5
J2: Power supply
selection
J1: Terminals
A
B
for safety edge
contact
Fig. 1B
(TX)
1 2 3 4