3
1
2
5
4
3
1
2
RX CL
TX CL
1
2
5
4
3
1
2
RX OP/CL
TX OP/CL
9 10 11 12 13 14 15 16 17 18 19
OPEN
A
B STP CL OP
FSW
-
-
-
+24V
+
+
-TX
FSW
20 21
W.L.
LOCK
-
+
-
+
-
+
-
+
1
2
5
4
3
1
2
RX OP
TX OP
-
+
-
+
-
+
-
+
-
+
+
+
+
-TX FSW
-TX FSW
-TX FSW
1
2
5
4
3
1
2
RX CL
TX CL
1
2
5
4
3
1
2
RX OP/CL
TX OP/CL
9 10 11 12 13 14 15 16 17 18 19
OPEN
A
B STP CL OP
FSW
-
-
-
+24V
+
+
-TX
FSW
20 21
W.L.
LOCK
-
+
-
+
-
+
-
+
-
+
+
-TX FSW
-
+
+
-TX FSW
9 10 11 12 13 14 15 16 17 18 19
OPEN
A
B
STP CL OP
FSW
-
-
-
+24V
+
+
-TX
FSW
20 21
W.L.
LOCK
9 10 11 12 13 14 15 16 17 18 19
OPEN
A
B
STP CL OP
FSW
-
-
-
+24V
+
+
-TX
FSW
20 21
W.L.
LOCK
ENGLISH
4.. Connection of photocells and safety devices
Before connecting the photocells (or other devices) we advise you
to select the type of operation according to the movement area
they have to protect (see fig.3):
Opening safety devices:
they operate only during the gate opening
movement and, therefore, they are suitable for protecting
the area between the opening leaves and fixed obstacles
(walls, etc) against the risk of impact and crushing.
Closing safety devices:
they operate only during the gate closing
movement and, therefore, they are suitable for protecting
the closing area against the risk of impact.
Opening/closing safety devices:
they operate during the gate
Opening/closing safety devices
Closing safety devices
Opening
safety
devices
Fig. 5
Connection of a pair of closing photocells and a pair of
opening/closing photocells (recommended lay-out)
Fig. 3
opening and closing movements and, therefore, they
are suitable for the opening and closing areas against
the risk of impact.
FAAC recommends use of the lay-out in fig. 4 (in the event
of fixed obstacles at opening) or in fig. 5 (no fixed obstacles).
If two or more devices have the same function (open-
ing or closing), they should be connected to each
other in series (see fig. ). N.C. contacts must be
used.
Connection of a closing safety device
and an opening safety device
Fig. 6
Connection of a pair of closing photocells, a pair of opening pho-
tocells and a pair of opening/closing photocells
(recommended lay-out)
Fig. 4
Connection of no safety device
Fig. 7
Summary of Contents for 452 MPS
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