Mounting
Leuze electronic
MLD 300, MLD 500
38
With timing controlled 2-sensor muting, the beams from the muting sensors should intersect behind the
protective field of the safety sensor, i.e. within the danger zone, to prevent muting from being triggered
unintentionally.
Distances a and b between guard and pallet should be such that a person cannot enter through these
openings undetected while the pallet passes through the muting zone.
Minimum distance S1
S1
[mm]
= Minimum distance between the protective field of the AOPD and the detection points of
the muting-sensor light beams
v
[m/s]
= Speed of the material
Distance d5
Height of the muting-sensor light beams d7
The two light beams of the muting sensors must have a minimum height of d7.
1
Danger zone
2
Muting transceiver
3
Passive Deflecting Mirror
MS1 Muting sensor 1
MS2 Muting sensor 2
S1
Minimum distance between the protective field of the AOPD and the detection points of the muting-
sensor light beams
a,b
Distance between pallet and hard guard
d5
Distance from the intersection point of the muting-sensor light beams to the protective-field plane
Figure 6.8: Typical arrangement of the muting sensors for timing controlled 2-sensor muting (example
acc. to IEC TS 62046)
d5 should be as small as practical
d5
[mm]
=
Distance from the intersection point of the muting-sensor
light beams to the protective-field plane
2
3
MS1
MS2
a
b
d5
S1
1
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