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2
3
DFC PHOTOCELLS – CONNECTION
It is possible to connect up to 2 pairs of photocells, using the inputs 11 (power supply + 24 V DC
brown wire), 12 (power supply - GND blue wire), 15 (signal, black wire of the receiver) of each of the
two connectors J19 and J20.
Important: if a 2
pair of photocells is connected, set DIP # 4 on SW1 to OFF).
nd
Black wire of the transmitter will not be connected.
Suggestions
To avoid interferences due to peaks or inductive current, make sure that power cables of the photo-
cell's sensor are separated from other power cables, such as the main power supply or other power
cables not used for the door.
The first couple of photocells FT1/FR1 has to be installed 1mt above the ground level, while the
second couple (optional recommended) FT2/FR2 at 50 cm from the ground level (see the diagram
below)
Wire close to the photocell head must not be stretched.
REFERENCE DRAWING – INSTALLATION OF PHOTOCELLS
INTERLOCK FUNCTION (from version 5V4)
System based on the presence of two doors, in which the "open" state of one door disables the
opening of the other one.
The diagram shows a connection between two boards that control two automatic doors on "IN-
TERLOCK" configuration
J17
J16
18
17
16
28
27
26
25
24
23
22
21
20
19
GROUND
NEUTRAL
TX1
RX2
J19
J20
J4
15
14
13
12
11
18
17
16
15
14
13
12
11
10
9
8
7
A
230V AC
J17
J16
J10
24
23
22
6
5
4
28
27
26
25
23
wrong
RX1
TX2
J19
J20
21
20
19
18
17
16
15
14
13
12
11
18
17
16
15
14
13
12
11
correct
J4
J10
10
9
8
7
6
5
4
B
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