Beam Heights And Safety Distance With Access And Perimeter Guarding - Siemens SIMATIC FS400 Anleitung

6.1.3 Beam heights and safety distance with access and perimeter guarding

Determination of beam heights above reference level and calculation of the safety
distance of SIMATIC FS400 3RG7845 light grids and SIMATIC FS400 3RG7845
transceivers
c
b
a = Safety distance S (protective field/danger point)
b = Height of the lowest beam above reference plane, see Table 6.1-1
c = Height of the highest beam, see Table 6.1-1
d = Measures to prevent access from the sides
Fig. 6.1-3: Beam heights and safety distance(a) with access and perimeter guarding
Beam heights for access and perimeter guarding in accordance with EN 999:
Number of
beams
4
3
2
2
Table 6.1-1:
148
a
Beam distance in
mm
300 mm
400 mm
500 mm
600 mm
Beam heights above reference level depending on number of beams
d
Beam heights above reference level in mm
300, 600, 900, 1200
300, 700, 1100
400, 900
300, 900 (in accordance with ANSI - USA)