Installation
32
SOLID-4
Leuze electronic
DEUTSCH
E
NGLISH
FRANÇAIS
IT
A
LIANO
ESPAÑOL
N
EDERLANDS
If the resolution is greater than 40 mm, for example for SOLID-4 Safety Light Curtains with
a resolution of 90 mm, an additional amount is required:
The safety distance with 90 mm is therefore calculated according to the following formula:
Warning!
Please also observe the additional safety instructions for access guarding with SOLID-4 in
Chapter 2.7.
Warning!
When using access guarding, it must be ensured that the start/restart interlock function is
active and that unlocking from inside the danger zone is not possible.
6.1.4
Minimum distance from reflective surfaces
Warning!
Reflective surfaces near optical protective devices can indirectly deflect the transmitter's
beams into the receiver. This can cause an object in the protective field not to be detected!
Therefore, all reflective surfaces and objects (material containers, cans, etc.) must be kept
at a minimum distance from the protective field. The minimum distance depends on the
distance "b" between the transmitter and the receiver.
With the calculation of the minimum distance to reflective surfaces it must be ensured that
with a protective field width of 3 m or less, at least a minimum distance of 131 mm is
achieved. With protective field widths over 3 m the minimum distance "a" is calculated
using the following formula:
C
= 850 mm (arm’s length)
S [mm] = 1600 [mm/s] x (t
AOPD
+ t
Safety interface
+ t
Machine
) [s] +850 [mm]
a = Distance
b = Protective field width
c = Reflective surface
Fig. 6.1-4:
Minimum distances from reflective surfaces
a [m] = 0.044 x b [m]
a
c
b
