
Fig. 3
Fig. 3
Fig. 4
Fig. 5
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 6
SPRINT 382 - SPRINT 383
3
00058I0112 - Rev.6
Tr
ansla
tion of the original instruc
tions
ENGLISH
4.1. 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
fi
g.3):
Connection of an “edge” safety device
Connection of two N.C. contacts in series
(e.g. Photocells, Stop, Edge, etc.)
Connection of a pair of closing photocells
Connection of a pair of photocells for opening
Connection of a closing safety device and an opening safety device
Connection of no safety device
•
Opening safety devices:
they operate only during the gate opening movement
and, therefore, they are suitable for protecting the area between the opening leaf
and
fi
xed 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 and closing
movements and, therefore, they are suitable for protecting the opening and closing
areas against the risk of impact.
•
“Edge” safety devices:
they operate during the gate opening and closing move-
ments and, therefore, they are suitable for protecting the areas between the moving
leaf and
fi
xed obstacles (pillars, walls, etc) against the risk of shearing and dragging.
•
Encoder (optional):
operates during the gate opening and closing movements
and, therefore, it is suitable for protecting the opening and closing area against
the risk of impact, crushing, shearing and dragging.
If two or more safety devices have the same function (opening, closing,
opening and closing, edge), the contacts must be connected to each other
in series (
fi
g. 4). N.C. contacts must be used.
If safety devices are not used, jumper connect the terminals as shown
in
fi
g. 5.
The most common photocell and safety device lay-outs are shown below (from
fi
g.
6 to
fi
g. 13).
Connection of a pair of opening photocells, a pair of closing photocell and
an edge safety device
Closing photocells
Closing photocells
Opening or Opening/Closing photocells
Edge safety devices
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