schmersal SLC440, Operating Instructions Manual

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13
SLC440 Series
SLG440 Series
Operating instructions
Safety light curtain / safety light grid
EN
Reaching through the protective area of a non-contact functioning guard system (extract ISO 13855)
Height of the
hazardous point
a [mm]
Height b of the upper edge of the protection area of the non-contact functioning guard system
900 1000 1100 1200 1300 1400 1600 1800 2000 2200 2400 2600
Additional distance C
RO
to the hazardous area [mm]
2600 0 0 0 0 0 0 0 0 0 0 0 0
2500 400 400 350 300 300 300 300 300 250 150 100 0
2400 550 550 550 500 450 450 400 400 300 250 100 0
2200 800 750 750 700 650 650 600 550 400 250 0 0
2000 950 950 850 850 800 750 700 550 400 0 0 0
1800 1100 1100 950 950 850 800 750 550 0 0 0 0
1600 1150 1150 1100 1000 900 850 750 450 0 0 0 0
1400 1200 1200 1100 1000 900 850 650 0 0 0 0 0
1200 1200 1200 1100 1000 85 800 0 0 0 0 0 0
1000 1200 1150 1050 950 750 700 0 0 0 0 0 0
800 1150 1050 950 800 500 450 0 0 0 0 0 0
600 1050 950 750 550 0 0 0 0 0 0 0 0
400 900 700 0 0 0 0 0 0 0 0 0 0
200 600 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0
Determination of the additional distance C
RO
from the table:
1) Locate the height of the upper edge of the hazardous area a (left
table column)
2) Locate the height of the protection area b (upper table row)
3) C
RO
is to be taken from the crossing point of both axes
If the known value for a and b is between the table values, the next
higher value is to be used
4.5.1 Minimum distance to reflecting surfaces
During the installation, the effects of reflecting surfaces must be taken
into account In case of an incorrect installation, interruptions of the
protection field could possibly not be detected, which could lead to
serious injuries The hereafter-specified minimum distances with regard
to reflecting surfaces (metal walls, floors, ceilings or parts) must be
imperatively observed
8° 8°
a= 262 mm
Access direction
Receiver
Obstacle
Optical axis
Emitter
Reflecting body
(eg Material container)
Limit of the hazardous
point
a=130mm
5° 5°
Safety distance a
a [mm]
D [m]
0 3 5 10
100
200
300
400
500
600
700
800
900
1000
15 20
Calculate the minimum distance to reflecting surfaces as a function of
the distance with an aperture angle of ± 2.5° degrees or use the value
from the table below:
Distance between emitter and receiver [m] Minimum distance
a [mm]
02 … 30 130
4 175
5 220
7 310
10 440
12 530
Formula: a = tan 2.5° x L [mm]
a = Minimum distance to reflecting surfaces
L = Distance between emitter and receiver