SICK TiM361S

3.11.1 Restrictions
The safety-related detection capability (determined by the measurement procedure)
can be impaired for measurement of objects with edges and/or corners and/or those
moving too quickly. This can result in incorrect distance values, causing impairment,
reduction or complete loss of detection capability, and the device no longer being able
to perform its function.
Values: see "Safety-related parameters", page 58.
3.11.2 Blind zone
No objects will be detected within a range of 0.05m from the measurement origin.
3.11.3 Measurement on reflector
When using reflectors (max. remission of 330Cd/lx*m
2
) as the target, the statistical
and systematic measurement accuracy diminishes at lower temperatures and therefore
also the detection capability of the sensor.
Values: see "Safety-related parameters", page 58.
3.11.4 Limits of the system
A measurement with minimal remission combined with maximum remission (reflector)
represents the most challenging situation.
The most unfavorable case here - like in the visible spectrum - is spill from a weak
emitter in front of a strong reflector.
If the dark object is relatively small and the reflector is moved to less than 1.5meters
behind the object, it may not be possible to distinguish the reflector from an object
edge. The measured value could therefore be reduced by up to half the distance of the
dark object from the reflector, like for an edge evaluation (see "Restrictions", page 19).
This effect can be attributed to scattered light from the periphery of the laser beam
falling onto the highly amplifying reflector.
Conversely, a reflector in the foreground, for example on a person’s clothing, and in
front of a dark background poses no difficulties and leads to a reliable detection. This
object migration effect also does not occur for dark objects in front of normal white
backgrounds with a remission of approx. 100%.
If strongly amplifying reflectors at a distance of less than 1.5meters behind objects
with a low remission cannot be excluded, then their impact on the safety function of the
overall system needs to be specifically evaluated.
WARNING
Due to the necessary system reserve of the device, its detection range and/or system
range is greater than the assured distances for safety-related detection.
This system reserve must not be used for safety-related analysis!
PRODUCT DESCRIPTION 3
8022483/1LM2/2024-03-27 | SICK O P E R A T I N G I N S T R U C T I O N S | TiM361S
19
Subject to change without notice