4.3.10.2.1 Height of the scan plane
Prerequisites
•
T
he scan plane must be parallel to the floor.
•
To ensure detection of the oncoming industrial truck, the scan plane must be at
the same height as the reference target of the other industrial trucks. This must be
the case regardless of the distance between the industrial trucks.
°
Recommendation: Mount all safety laser scanners at the same height.
°
If this is not possible, attach a separate reference target for each scan plane
in the application.
•
The scan plane must be parallel to the road. A deviation must not exceed ±0.1°.
•
When the industrial truck is moving, the collision protection field must be clear. If
necessary, the lifting device (fork) must be raised.
•
If the safety laser scanner is also used for the detection of persons, the scan
plane may be a maximum of 200mm high. This reliably detects people lying on
the ground. In many cases, a mounting height of 150mm above the floor (height
of the scan plane) is suitable.
4.3.10.2.2 Reference target
Prerequisites
•
R
eference targets are correctly mounted on all industrial trucks in both directions
of travel.
•
Only the reference targets offered by SICK as accessories are used as reference
targets.
•
The reference targets are not cut up, folded or reduced in size in any other way.
•
The reference targets are mounted at the same height as the scan plane of the
safety laser scanners on the other industrial trucks. This is the case regardless of
the distance between the industrial trucks.
•
If not all safety laser scanners are mounted at the same height on all industrial
trucks, a reference target is mounted on each industrial truck for each scan plane.
•
The reference target is mounted on a flat surface perpendicular to the direction
of travel. The deviation is less than 20° (i.e. the surface normal of the reference
target deviates less than 20° from the direction of travel).
•
The reference target should be mounted as centrally as possible at the front of
the industrial truck so that the collision protection field of an oncoming industrial
truck detects the reference target, even if both industrial trucks are making yawing
movements.
•
The reference target should be mounted as far forward as possible on the indus‐
trial truck. This reduces the risk of covering the reference target.
•
If the reference target is mounted set back, then it must be ensured that the
reference target is not covered, e.g. by parts of the industrial truck, load parts or
the safety laser scanner. If covering cannot be avoided, then additional reference
targets are mounted so that the collision protection field of an oncoming industrial
truck always detects at least one reference target.
•
Whenever the industrial truck is in an area where collision protection fields are
used, the view of at least one reference target is clear. If necessary, the lifting
device (fork) must be raised.
•
The reference target is mounted so that it will not fall or be damaged in the event
of collisions and other mechanical influences.
•
The reference target is regularly cleaned and checked for damage.
4 P
ROJECT PLANNING
58
O P E R A T I N G I N S T R U C T I O N S | microScan3 – EtherCAT® 8025220/1L9Q/2023-08-14 | SICK
Subject to change without notice
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