A

B

C

D

E

F

H

I

J

K

L

M

N

O

P

Q

R

S

T

L41S-33MA2A, L41E-33MA2A | L41

SINGLE-BEAM PHOTOELECTRIC SAFETY SWITCHES

Connection diagram

3 x L41 (cascaded) on Flexi Classic main unit and extension unit

0 V

+24 V

FE

K1

K2

k1

k2

S1

2) PELV

E117081/00/2014-06-02

y

x

y

x

k2

k1

k1

k2

1)

z

z

Function

Q1

A1

UE410-MU/XU

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

+24 V

0 V

TE

L41S

L41E

+24V

0 V

TE

L41S

L41E

L41S

+24 V

0 V

Q

+24 V

0 V

Q

+24 V

0 V

TE

L41 E

+24 V

0 V

Q

Task

Integration of three cascaded L4000 (L41) family single-beam photoelectric safety switches with a UE410-MU/XU safety controller

into a relay controller/contactor controller.

Operating mode: with restart interlock and with external device monitoring.

Function

When the input conditions are valid, the system is ready for switch-on and waits for an input signal/switch-on signal. The system is

enabled by pressing and releasing the S1 button. The related output on the UE410-MU/XU carries power. If the input conditions are

no longer met, the related outputs on the UE410-MU/XU shut down.

Possible faults

The incorrect function of the K1 and K2 contactors will be detected. The shutdown function is retained.

On manipulation (e.g., jamming) of the S1 button, the system does not enable the output current circuits.

Comments

is disabled. For categories 4 and 3, the integration must be dual-channel (x/y paths). Single-channel integration in the control (z

path) is only possible with a single-channel control and by taking the risk analysis into account.

Optical short-circuits must be avoided. Take note of the operating instructions for the integrated devices. The safety-related para-

meters (safety integrity level and response time) are dependent on the types used.

Recommended accessories

Other models and accessories

www.sick.com/L41

Brief description

Type

Part no.

Mounting brackets and plates

Mounting bracket for M30 sensors, steel, zinc coated, without mounting hardware

BEF-WN-M30

5308445

Plug connectors and cables

Head A: female connector, M12, 4-pin, straight

Head B: cable

Cable: PVC, unshielded, 5 m

DOL-1204-G05M

6009866

Head A: female connector, M12, 4-pin, angled

Head B: cable

Cable: PVC, unshielded, 5 m

DOL-1204-W05M

6009867

4

OPTO-ELECTRONIC PROTECTIVE DEVICES | SICK

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

Subject to change without notice