A

B

C

D

E

F

H

I

J

K

L

M

N

O

P

Q

R

S

T

L21S-11MA1A, L21E-11MA1A | L21

SINGLE-BEAM PHOTOELECTRIC SAFETY SWITCHES

M18 radial

45

°

17

(0.67)

17.6

(0.69)

15.6

(0.61)

11

(0.43)

LED

Connection diagram

3 x L21 (cascaded) with Flexi Classic main unit and expansion module on UE10-3OS

UE10-3OS

UE410-MU/XU

L21S

L21E

L21S

L21E

L21S

L21E

E117082/00/2014-06-02

+24 V

0 V

B2

B4

Y2

B1

B3

Y1

14

24

34

42

13

23

33

41

FE

S1

2) PELV

1)

+24 V

0 V

TE

+24 V

0 V

Q

+24 V

0 V

TE

+24 V

0 V

Q

+24 V

0 V

TE

+24 V

0 V

Q

Function

Q1

A1

3

A2

EN

I2

I1

X1

X2

Q2

Q4

S2

S3

Q3

S1

I4

I3

0

1

2

7

8

9

6

5

4

3

Task

Integration of three cascaded L2000 (L21) family single-beam photoelectric safety switches with a UE410-MU/XU safety controller

and a UE10-3OS safety relay.

4

OPTO-ELECTRONIC PROTECTIVE DEVICES | SICK

Online data sheet | 2017-09-01 12:26:26

Subject to change without notice