Leuze electronic MLC 520 EX Series Safe Implementation And Operation

Mounting
Leuze electronic MLC 510 21
Calculation of safety distanceS
Ro
acc. to ISO13855 when protective field is accessed from above:
Calculation of safety distanceS
Ro
for point of operation guarding
S
RO
[mm] = Safety distance
K [mm/s] = Approach speed for point of operation guarding with approach reaction and normal approach di-
rection to the protective field (resolution 14to40mm): 2000mm/s or 1600mm/s, when
S
RO
>500mm
T [s] = Total time of the delay, sum from (t
a
+t
i
+t
m
)
t
a
[s] = Response time of the protective device
t
i
[s] = Response time of the safety relay
t
m
[s] = Stopping time of the machine
C
RO
[mm] = Additional distance in which a body part can move towards the protective device before the pro-
tective device triggers: value (see the following table “Reaching over the vertical protective field
of electro-sensitive protective equipment (excerpt from ISO13855)”).
a
3
C
RO
KxT
b
1
2
S
RO
1 Safety sensor
2 Danger zone
3 Floor
a Height of the point of operation
b Height of the upper beam of the safety sensor
Fig.6.1: Additional distance to the safety distance when reaching over and under

Leuze electronic MLC 520 EX Series Specifications

General

Brand	Leuze electronic
Model	MLC 520 EX Series
Category	Lighting Equipment
Language	English