13
UK
6.3.2 Safety light curtains resolutions 50 mm and 90 mm, safety light grids
2, 3 and 4 beams
These versions are suitable for access prevention for bodies or
parts of bodies.
They must not be used for finger or hand protection!
The minimum safety distance (S) is determined using the
following formula:
S = 1600 (t
1
+ t
2
) + 850
The height (H1) of the upper light beam measured from the
reference level (G) must not be shorter than 900 mm while
the height (H2) of the lowest light beam must not exceed
300 mm (ISO 13855).
A = hazardous area
Hx = height
S = min. safety distance
G = reference level