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L21E-21MA2A Datasheet, PDF (2/6 Pages) SICK AG – SINGLE-BEAM PHOTOELECTRIC SAFETY SWITCHES
L21S-21MA2A, L21E-21MA2A | L21
SINGLE-BEAM PHOTOELECTRIC SAFETY SWITCHES
A
B
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D
E
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S
T
Illustration may differ
Ordering information
System part
Type
Sender
L21S-21MA2A
Receiver
L21E-21MA2A
Other models and accessories www.sick.com/L21
Part no.
6034962
6034963
Detailed technical data
Features
Scanning range
Number of beams
Optical axis
0 m ... 10 m
1
Axial
Safety-related parameters
Type
Safety integrity level
Category
Test rate (external test)
Maximum demand rate
Performance level
PFHD (mean probability of a dangerous fail-
ure per hour)
TM (mission time)
Type 2 (IEC 61496) 1)
SIL1 (IEC 61508) 1)
SILCL1 (EN 62061) 1)
Category 2 (EN ISO 13849) 1)
100 /s (EN ISO 13849) 2)
≤ 60 min⁻¹ (EN ISO 13849) 3)
PL c (EN ISO 13849) 1)
1.0 x 10-6 (EN ISO 13849) 1)
20 years (EN ISO 13849)
1) Only in combination with an appropriate test device, e.g., Flexi Classic or Flexi Soft.
2) The test rate shall not be exceeded.
3) Between two requirements on a safety-related response of the device, at least 100 internal or external tests must be carried out.
Interfaces
Connection type
Male connector M12, 4-pin, angled
Fieldbus, industrial network
Integration via Flexi Soft safety controller CANopen, DeviceNet™, EtherCAT®, EtherNet/IP™, Modbus TCP, PROFIBUS DP, PROFINET 1)
1) For additional information on Flexi Soft -> www.sick.com/Flexi_Soft.
Electrical data
Sender
Protection class
III (EN 50178)
Supply voltage VS
24 V DC (19.2 V DC ... 28.8 V DC)
Receiver
1) Short-circuit protected.
2
OPTO-ELECTRONIC PROTECTIVE DEVICES | SICK
Online data sheet | 2017-09-01 12:26:26
Subject to change without notice