4
ELECTRIC
CONNECTIONS
STOP/ SAFE
OPEN B
CLOSE
SAFE
/
S
AFE
/
SAFE
T
o
connect
the
photo-
cells and safety
devices
,
consult paragraph 4.2
MOTOR
RELEA
SE
CONT
A
C
T
(Locks
the motor when
the
motor release handle
is
operated)
Fig.
2
A: Photocells that
operate
during CLOSING
B
:
Photocells that
operate
during OPENING
C: Photocells that
operate
during
OPENING
and CLOSING
Fig.
3
Fig.
4
RX
TX
DL1
ON
DS1
1 2 3 4
ON
1 2 3 4
DL2
DS1
DL1
=
Align-
ment
DL2
=
BUS
-
2EA
SY/P
ower
supply
status
DS1
=
Dip-
switches
for
Before
connecting
the photocells, it
is
advisable to select
the type of operation on the basis of the area of
move-
ment that they need to
protect:
Safety devices during closing: operate only during
the
automated
system closing movement and are there-
fore suitable for protecting the closing area from
the
risk
of
impact
.
Safety devices during opening: operate only during
the
automated
system opening movement and are
therefore suitable for protecting the opening area
from
the
risk
of
impact
.
Safety devices during
opening/closing:
operate during
both the
automated
system
opening and closing
move-
RX
-
T
X
DL2
BUS BUS
programming
BUS BUS
ments and are therefore suitable
for
protecting the entire
movement area from the
risk
of
impact
.
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