4
SICK MSL
8 007 653/09-04-01 Technical Description • MSL © SICK AG • Safety Systems • Germany • All rights reserved
2 Safety instructions
The device can only fulfil its safety
function when it is used correctly;
this applies to both "safe", i. e. error-
proof, connection and accurate
positioning.
‡ The MSL multi-beam safety light
barrier complies with the safety
regulations of: safety class 4
according to pr EN 50 100.
2.1 Areas of use of the
device
The MSL multi-beam safety light
barrier is used to guard access to
hazardous areas on machinery or
plant. The devices are fixed across
the access area at the necessary
safety distance from the danger
point and send a Stop signal to the
machine or plant when at least one
beam of light is interrupted.
The following information is
applicable for practical application
purposes:
Maximum scanning range 20 m or
70 m
Minimum resolution 73 mm
Maximum beam gap 500 mm
Minimum number of beams 2
Maximum number of beams 35
Minimum housing length 370 mm
Maximum housing length 1800 mm
Fig. 2: System construction of the MSLZ safety light barrier
2 Safety instructions
Fig. 1: System construction of the MSL multi-beam safety light barrier
Strahlabstand
Gehäuselänge
Sende-
element
Empfangs-
element
Lichtstrahl-
durchmesser 23 mm
90˚
90˚
Umlenkspiegel
Umlenkspiegel
max. 7,5 m
Sender
element
Light beam diamater
23 mm
Operating range
max. 7.5 m
Receiver
element
Housing
length
Corner
mirror
Corner
mirror
Beam gap
500 mm
Beam gap
The MSL multi-beam safety light
barrier consists of two components:
‡ MSLS sender unit and
‡ MSLE receiver unit
Both work with at least 2 and at
most 35 light beams. Between the
two units, the individual beams of
light create a protective field defined
by the number of beams and their
spacing.
Gehäuselänge
Reichweite
Strahlabstand
Sende-
einheit
Empfangs-
einheit
Lichtstrahl-
durchmesser
23 mm
Auflösung
Housing length
Scanning
range
Light beam
diameter 23 mm
Sender
Receiver
Resolution
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