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Thank you for choosing a COMUNELLO AUTOMATION
product.
This manual provides all the detailed information required for
the knowledge and correct use of the equipment. It must
be read carefully at the time of purchase and consulted if
there are any doubts regarding its use or when maintenance
is required.
The manufacturer reserves the right to make any modifica-
tions to the item and to this document without prior notice.
WARNINGS
Please read this manual carefully before beginning instal-
lation and carry out the procedures as specified by the
manufacturer.
This installation manual is only intended for professional
personnel.
Anything not expressly included in these instructions is
prohibited.
In particular, your attention should be drawn towards the fol-
lowing warning:
• Disconnect power before making any electrical connections.
PRODUCT DESCRIPTION AND INTENDED USE
The DART ADJUSTABLE photocell, which uses simple and
effective electronics, is suitable for all types of systems and
conditions (Fig. 3).
The rotation mechanism of the board allows the item to be
used in all cases where there is no option to install photocells
in the front position or at the same height (Fig. 9).
PRELIMINARY CHECKS
• Check that the item inside the packaging is intact and in
good condition.
• Ensure that the positioning of the photocells allows for cor-
rect installation and securing of the photocells (Fig. 2).
ELECTRICAL SPECIFICATIONS (RX AND TX)
Optical range under optimal conditions
IP protection rating
Transmitter
Frequency modulation: 330 Hz
Infrared emission wavelength: 950 nm
J1 (jumper 1): position 2-3 if power supply to 12V / position
1-2 if power supply to 24V (Fig. 14)
Receiver
Relay contact rating: 1A max at 30Vdc
Normally open contact output: NO
Normally closed contact output: NC
Red LED switches off with photocells aligned
J1 (jumper 1): position 1-2 if power supply to 12V / posi-
tion 2-3 if power supply to 24V (Fig. 14)
Maximum range under optimal conditions: 15 m
Temperature: -20 °C +50 °C
INSTALLATION AND ELECTRICAL CONNECTIONS
Operation with facing transmitter and receiver. Double safety
relay.
• Proceed as shown in Figure 4-5.
• Depending on the cable routing position, drill holes in the
base in the prearranged area (see Fig. 6).
• Proceed as shown in Figure 7 using rawlplugs (Ø max
5 mm) and corresponding screws (not included).
• Connect the cables in the terminals according to the dia-
gram (Fig. 15): 4 on the RX photocell and 2 the TX photo-
cell, from the respective control unit input.
• Use silicone to seal the cable entry hole (Fig. 8).
• When required, orient the board by slightly loosening the
two screws on the support. Do not unscrew them com-
pletely and screw them back in securely at the end of the
procedure (Fig. 9).
• Before closing the photocell, test the transmitter (TX pho-
tocell) with the receiver (RX photocell) and check on the
receiver that the red alignment light (LED1) switches off
(Fig. 10).
• Proceed as shown in Figure 11-12.
TESTING
Test for the correct operation of the photocells.
BOARD REPLACEMENT
If required, replace the board as shown in Figure 13.
15 m
54
DISPOSAL
A number of components of the item can be recycled
while others, such as electronic components, must
be disposed of according to the regulations in force
in the are of installation.
A number of components may contain pollutants that must
not be released into the environment.
RX
RX
3
2
1
J1
24V - 12V
1 2
3
J1
12V - 24 V
+
0V
NA
COM
NC
+12V/24V
0V
TX
TX
1 2
3
J1
24V - 12V
0V
+12V/24V
14
RX
TX
15
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