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5.4.8.1 Additions and Minimum Depth of Detection Zone
The sum of the system-specific and application-specific detection zone additions (see
Chapter 5.3.5) is calculated according to the following formula:
Z
= Z
TOT
SM
Z
= Sum of the system-specific and application-specific detection zone
TOT
Z
= Scanner measurement error, in mm
SM
Z
= Addition of the reflectors taken into account, in mm
REFL
Z
= Addition for application-specific undercut, in mm
AU
The depth of the detection zone, with reference to the direct distance between the
danger zone and the detection point or line, is calculated according to the following
formula:
S
= (K x (T
T
S
T
K
T
SCAN
T
MACH
T
LAG
L
LAG
C
5.4.8.2 Maximum range of detection zone
=
S
MAX
S
= G
BDIFF
S
MAX
S
T
S
BDIFF
G
BDIFF
S
Z
+ Z
+ Z
REFL
AU
additions, in mm
+ T
+ ( T
SCAN
MACH
LAG
= Depth of detection zone, distance from danger area to detection point or
line, including system and application-specific additions, in mm
= Approach speed of a person or a person's body parts
(1600 mm/s), in mm/s
= Response time of the scanner, in s
= Response time of the machine or system, in s
= Lag time of the entire system, in s
= Factor for increase in lag time
= Safety-related constant, in mm
22
2222222
+
S
S
T
BDIFF
+ S + Z
BDIFF
= Maximum range of the detection zone considering the diagonals,
in mm
= Depth of the detection zone, in mm
= Largest width of the detection zone between the axis of the rotating mirror
and the outer edge of the detection zone, in mm
= Largest width of the danger zone between the axis of the rotating mirror
and the boundary of the danger zone, in mm
= Safety distance, minimum distance from the danger zone to the point of
detection, to the plane of detection, or to the detection zone, in mm
= Required detection zone additions, in mm
x L
))) + C + Z
LAG
TOT
43
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