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3

SLG440

Operating instructions
Safety light grids

EN

MSD4 Vibration damper

Kit consists of: 8 vibration dampers 15 x 20 mm, 8 M5 cylinder head 
screws with hexagon socket, 8 spring washers Mounting using MS-1100

The MSD4 vibration damper kit is recommend to be used for damping 
vibrations and oscillations on the SLG440 For applications with higher 
mechanical stresses, eg presses, punching machines, we recommend 
the MSD4 kit In this way, the availability of the SLG440 is increased

Spacer MSD5

The kit consists of 2 spacers The spacers must be used in case of 
vibrations

Integrated status indication

The SLG440 series is also available with integrated status indication 
(red/yellow/green) installed onto the receiver (See ordering code)

2.5  Technical data

Standards:

 

EN 61496-1; EN 61496-2;  

EN ISO 13849; EN 62061

Material of the enclosure:

 Aluminium

Protection field heights:

 

500 mm, 800 mm, 900 mm

Detection ability for test bodies:

 

 

2 beams with resolution 500 mm *3  
3 beams with resolution 400 mm *3  
4 beams with resolution 300 mm *3

Range of the protection field:

 

 

- Standard 

 

03 … 12 m  

- Height range (H)

 

30 … 20 m

Response time:

 

 

- Beam coding (normal)

 

2 - 4 beams = 10 ms  

- Beam coding A

 

2 - 4 beams = 15 ms

Rated operating voltage:

 

24 VDC ±10% (PELV) supply unit  

I

max

 20 A, to EN 60204  

(power drop ≤ 20 ms)

Rated operating current:

 

250 mA max + 2 x 025 A each OSSD

Wavelength of the infrared radiation:

 

880 nm

Transmitter, infrared emitted radiation

- to DIN EN 12198-1:

 

Category 0

- to DIN EN 62471:

 

free group

Safety outputs 

 

OSSD1, OSSD2: 

2 x short-circuit proof PNP  

semi-conductor outputs 

Test impulse cycle OSSD: 

750 ms

Test impulse length: 

100 µs

Switching voltage HIGH¹:

 

15 … 264 V

Switching voltage LOW¹:

 

0 … 2 V

Switching current each OSSD:

 

0 … 250 mA

Leakage current²:

 

1 mA

Load capacity:

 

0 … 22 µF

Load inductance

4

:

 

0 … 2 H

Admissible conduction resistance between OSSD and load:

 

2.5 Ω

Admissible conduction resistance of the supply cable:

 

1.5 Ω

Contactor control (EDM)

 

Input voltage HIGH (inactive):

 

11 … 30 V

Input voltage LOW (active):

 

0 … 20 V

Input current HIGH:

 

3 … 10 mA

Input current LOW:

 

0 … 2 mA

Input release restart interlock/restart interlock 2

 

Input voltage HIGH (active):

 

11 … 30 V

Input voltage LOW (inactive):

 

0 … 20 V

Input current HIGH:

 

3 … 10 mA

Input current LOW:

 

0 … 3 mA

Functions:

 

automatic mode, restart interlock,  

double reset, contactor control,  

beam blanking fixed and floating,  

beam coding A

Signal times

 

Contactor control:

 

max 500 ms

Restart interlock (manual reset):

 

50 ms … 15 s, signal  

transmission in case of trailing edge

LED indications transmitter:

 

transmitting, status

LED indications receiver:

 

OSSD ON, OSSD OFF, restart, signal 

reception, blanking, information

Connection:

 

M12 connector plug with metal thread,  

receiver 8-pole, transmitter 4-pole

Ambient temperature:

 

−25° C … + 50° C; 

 

at −25° C: Reduction of range by −10%

Storage temperature:

 

−25° C … + 70° C

Interface:

 

Diagnostics and function setting

Protection class:

 

IP67 (IEC 60529)

Resistance to vibration:

 

10 … 55 Hz to IEC 60068-2-6

Resistance to shock:

 

10 g, 16 ms, to IEC 60028-2-29

Year of construction:

 

as of 2014 version 20

¹) To IEC 61131-2
²)  In case of failure, the leakage current at the most flows to the OSSD 

cable The downstream control element must recognise this state as 
LOW A safety PLC must detect this state

³)  resolution = beam di beam diameter 10 mm

4)

  The load induction generates an induced voltage during the 

 switch-off, which compromises the downstream components  
(spark quenching element)

2.6  Response time (reaction time)

The response time depends on the number of light beams and the 
beam coding A

Beams  

 

[Number]

Beam 

distance  

[mm]

Response 

time  
[ms]

Response time 

with beam coding 

A [ms]

Weight  

 

[kg]

2

500

10

15

090

3

400

10

15

135

4

300

10

15

150

2.7  Safety classification

Standards:

 

EN ISO 13849-1, EN 62061

PL:

 

up to e

Control category:

 

up to 4

PFH value:

 

514 x 10

-9 

/ h

SIL:

 

up to 3

Service life:

 

20 years

2.8  Functions

The system consists of a receiver and a transmitter For the described 
functions, no further switching elements are required The  diagnostic 
and function selection takes place with a command device (key re-
lease), refer to the chapter on parameterisation

The system has the following features:

•  Protective mode automatic 

 

(automatic start after release of the protection zone)

•  Restart Interlock (manual reset)

• Double acknowledgement/reset

•  Contactor control (EDM)

•  Beam coding A

•  Blanking of movable objects

Summary of Contents for SLG440

Page 1: ...About this document 1 1 Function 1 1 2 Target group authorised qualiied personnel 1 1 3 Explanation of the symbols used 1 1 4 Appropriate use 2 1 5 General safety instructions 2 1 6 Warning about mis...

Page 2: ...liability for damages and malfunctions resulting from defective mounting or failure to comply with this operating instructions manual The manufacturer shall accept no liability for damages result ing...

Page 3: ...restart interlock restart interlock 2 Input voltage HIGH active 11 30 V Input voltage LOW inactive 0 2 0 V Input current HIGH 3 10 mA Input current LOW 0 3 mA Functions automatic mode restart interloc...

Page 4: ...tputs OSSD s ON state after switch on of the operating volt age or an interruption of the protection field The system switches the outputs only to ON state when an external command device restart butt...

Page 5: ...is required The contactor control is not activated upon delivery The function is activated in parameter setting mode P 4 Connection EDM Wiring of the receiver Kn1 Kn2 auxiliary contact of the last sw...

Page 6: ...signalled in the following way 7 segment display LED OSSD ON red active LED OSSD OFF green active Parameter setting 1 When S1 is briely pressed the display shows repeatedly Parameter P 1 not active f...

Page 7: ...lication machine The safety inspections must be conducted regularly The SLG must not be exposed to inflammable or explosive gasses The connecting cables must be connected in accordance with the instal...

Page 8: ...eceive signal OK Beam b no receive signal Beam a and beam b receive signals OK Indication basic setting The signal strength is displayed per beam with two segments for the first a and the last b beam...

Page 9: ...tion from which the hazardous area is accessed To calculate the minimum distances of the safety guards with regards to the hazardous point the EN ISO 13855 and EN ISO 13857 must be observed If an over...

Page 10: ...0900 04 XX 300 1024 1043 258 5 217 5 L1 Mounting distance mm between floor and slotted hole centre short end cap L2 Mounting distance mm between floor and slotted hole centre diagnostic window Overal...

Page 11: ...reen outputs H signal 24V Red outputs L signal 0V Yellow setting mode restart interlock manual reset 24 5 12 5 15 0 1 The integrated status indication does not change the mounting dimen sion B or the...

Page 12: ...N 0 VDC BU Earth connection Restart interlock manual reset bridge 1 By bridging restart 2 pin 5 and DOUT pin 6 the restart interlock manual reset is activated Connect S1 to Pin1 Protective mode Automa...

Page 13: ...power supply see techni cal specifications which meets the CE Directives Low Voltage Directives A power downtime of 20 ms must be bridged 2 Presence of a voltage supply with correct polarity at the S...

Page 14: ...ring the first putting into operation 5 The cables the connectors the caps and the mounting angles are in perfect condition 5 5 Cleaning If the optics cover of the sensors is extremely soiled the OSSD...

Page 15: ...blanking area s of fixed or floating objects with the selected parameter setting fault elimination repeat configuration in the parameter setting possibly adjust P 1 P 2 P 3 Configuration error in para...

Page 16: ...13144608 Person authorized for the compilation of the technical documentation Oliver Wacker M ddinghofe 30 42279 Wuppertal K A Schmersal GmbH Co KG M ddinghofe 30 D 42279 Wuppertal Postfach 24 02 63...

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