8540581 - 29/09/2010 - Rev.10
9
HORIZONTAL POSITION OF THE BARRIER
When the object’s direction of approach is parallel to
the floor of the protected area, the barrier must be
installed so that the distance between the outer limit
of the dangerous area and the most external optical
beam is greater than or equal to the minimum safety
distance
S
calculated as follows:
S = 1600(t
1
+ t
2
) + 1200 – 0.4H
where
H
is the height of the protected surface from
the base of the machine;
H = 15(D-50)
(D=resolution)
In this case,
H
must always be less than 1 meter.
Figure 8
safety barrier
point of
danger
direction
of approach
reference plane
