show the different approximation curves for the RSSI ranges
of the HR and SR variants depending on the remission of the object, with 10% repre‐
senting the lowest value (black) and 100% the highest value (white paper). A value of
> 80.000% stands for one reflector. For this reason, the curve based on this remains
constant at 254.
Table 13: RSSI values
RSSI value
Description
0
No signal
1–254
Valid measurement
254
Reflector
255
Dazzled
If the RSSI value is 0, then no distance measurement is possible. There can be two
reasons for this:
•
The target object lies outside the scanning range (> 80 m).
•
The target object has an extremely low remission.
Please note that white paper (100%) can have very similar values to a reflector at a
short distance.
4
1
2
7
3
5
6
Figure 28: Typical RSSI value HR
1
RSSI [number]
2
Distance [m]
3
White (approx. 100%)
4
Gray (approx. 50%)
5
Black (approx. 10%)
6
Reflector (> 80,000%)
7
Max. signal
3
PRODUCT DESCRIPTION
36
O P E R A T I N G I N S T R U C T I O N S | LMS5xx
8013796/1ALS/2021-03 | SICK
Subject to change without notice
