Table 13: Formula for calculating the minimum distance to reflective surfaces with dynamic
pr
otective field width (resolution 14 mm)
Dynamic protective field
w
idth
Distance D between sender
and receiver in m
Calculation of the minimum
distance (a) from reflective sur‐
faces in mm
Small range: 0.15 m ... 4 m D ≤ 3 m a = 131 mm
D > 3 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Medium range: 1 m ... 8 m D ≤ 4 m a = 175 mm
D > 4 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Large range: 2 m ... 16 m D ≤ 8 m a = 350 mm
D > 8 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Table 14: Formula for calculating the minimum distance to reflective surfaces with dynamic
pr
otective field width (resolution 30 mm)
Dynamic protective field
w
idth
Distance D between sender
and receiver in m
Calculation of the minimum
distance (a) from reflective sur‐
faces in mm
Small range: 0 m ... 6 m D ≤ 3 m a = 131 mm
D > 3 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Medium range: 0 m ... 12 m D ≤ 6 m a = 262 mm
D > 6 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Large range: 0 m ... 24 m D ≤ 12 m a = 524 mm
D > 12 m a = tan (2.5°) × 1,000 mm/m
× D = 43.66 × 1 mm/m × D
Further topics
•
"W
eld spark guard", page 154
4.3.4 Protection against interference from systems in close proximity to each other
Overview
Figure 15: Preventing mutual interference from system
1
and system
2
The infrared light beams of the sender of system 1 can interfere with the receiver of
system 2. This can disrupt the protective function of system 2. This would mean that
the operator is at risk.
PROJECT PLANNING 4
8021645/1EB0/2022-04-28 | SICK O P E R A T I N G I N S T R U C T I O N S | deTec4
33
Subject to change without notice
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