Leuze electronic RSL 420P - Minimum Distance D

Mounting
Leuze electronic GmbH + Co. KG RSL 420P 62
NOTICE
The beam level of the safety sensor is level with the alphanumerical display.
7.4.1 Minimum distanceD
D [mm] = Minimum distance, vehicle front (danger) to protective field front edge
D
A
[mm] = Stopping distance
Z
TOT
[mm] = Sum of required additional distances
D
D · L · L
B
1
2
V · (T + T + t
)
max
1 ps
2
Z
GES
200
D
A
Fig.7.15: Mobile danger zone guarding, calculation of required minimum distanceD
Stopping distanceD
A
D
A
=v
max
*(T
1
+T
2
+t
PS
)+D
B
*L
1
*L
2
D
A
[mm] = Stopping distance
v
max
[mm/s] = Maximum vehicle speed
T
1
[s] = Response time of the safety sensor
T
2
[s] = Response time of the AGV
t
PS
[s] = PROFIsafe watchdog time
D
B
[mm] = Braking distance with v
max
and maximum vehicle load
L
1
[---] = Factor for brake wear
L
2
[---] = -Factor for problematic floor conditions, e.g. dirt, wet conditions
Additional distancesZ
Z
tot
[mm] = Total of the required additional distances
Z
SM
[mm] = Additional distance for system-related measurement error, see chapter 7.2 "Stationary dan-
ger zone guarding"
Z
F
[mm] = Additional distance required with lack of floor space H
F
Z
REFL
[mm] = Additional distance required with retro-reflectors beyond the protective field boundaries;
Z
REFL
=100mm
The additional distanceZ
SM
is always required. Its size depends on the biggest radius R
G
from the safety
sensor mirror's rotary axis to the protective field boundary without Z
Tot
. The position of the rotary mirror axis
depends on the installation situation.