SICK deTem4 A/P Operating instructions

O P E R A T I N G I N S T R U C T I O N S

deTem4 A/P

Multiple light beam safety device

Described product

deT

em4 A/P

Manufacturer

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

Legal information

T

his work is protected by copyright. Any rights derived from the copyright shall be

reserved for SICK AG. Reproduction of this document or parts of this document is only

permissible within the limits of the legal determination of Copyright Law. Any modifica‐

tion, abridgment or translation of this document is prohibited without the express writ‐

ten permission of SICK AG.

The trademarks stated in this document are the property of their respective owner.

Original document

T

his document is an original document of SICK AG.

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Contents

1 About this document........................................................................ 6

1.1 Function of this document....................................................................... 6

1.2 Scope......................................................................................................... 6

1.3 Target groups of these operating instructions........................................ 6

1.4 Additional information.............................................................................. 6

1.5 Symbols and document conventions...................................................... 7

2 Safety information............................................................................ 8

2.1 General safety notes................................................................................ 8

2.2 Intended use............................................................................................. 8

2.3 Improper use............................................................................................. 8

2.4 Requirements for the qualification of personnel.................................... 8

3 Product description........................................................................... 10

3.1 Setup and function................................................................................... 10

3.2 Product characteristics............................................................................ 11

3.2.1 Device overview....................................................................... 11

3.2.2 Beam coding............................................................................ 13

3.2.3 Alignment aid........................................................................... 13

3.2.4 Restart interlock...................................................................... 13

3.2.5 External device monitoring (EDM).......................................... 13

3.2.6 Application diagnostic output................................................. 13

3.2.7 Muting....................................................................................... 14

3.2.8 IO-Link...................................................................................... 14

3.2.9 Near Field Communication (NFC)........................................... 14

3.2.10 System plug.............................................................................. 15

3.2.11 Status indicators...................................................................... 16

3.3 Example applications............................................................................... 19

4 Project planning................................................................................ 20

4.1 Manufacturer of the machine.................................................................. 20

4.2 Operating entity of the machine.............................................................. 20

4.3 Design........................................................................................................ 21

4.3.1 Scanning range and beam separation................................... 21

4.3.2 Minimum distance from the hazardous point....................... 21

4.3.3 Minimum distance from reflective surfaces.......................... 23

4.3.4 Protection against interference from systems in close prox‐

imit

y to each other................................................................... 25

4.3.5 Muting....................................................................................... 27

4.4 Integration in the electrical control system............................................. 35

4.4.1 Restart interlock...................................................................... 37

4.4.2 External device monitoring (EDM).......................................... 39

4.4.3 Application diagnostic output................................................. 40

4.4.4 Muting lamp............................................................................. 40

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4.4.5 IO-Link...................................................................................... 40

4.4.6 Muting....................................................................................... 41

4.4.7 Connection diagrams.............................................................. 42

4.5 Testing plan............................................................................................... 46

4.5.1 Test rod check.......................................................................... 46

4.5.2 Visual check of the machine and the protective device........ 48

5 Mounting............................................................................................. 49

5.1 Safety......................................................................................................... 49

5.2 Unpacking.................................................................................................. 49

5.3 Fitting the system plug............................................................................. 50

5.4 Mounting................................................................................................... 51

5.4.1 Mounting the QuickFix bracket............................................... 54

5.4.2 Mounting the FlexFix bracket.................................................. 55

6 Electrical installation........................................................................ 60

6.1 Safety......................................................................................................... 60

6.2 System connection (M12, 5-pin)............................................................. 62

6.3 System connection (M12, 8-pin)............................................................. 62

6.4 Extension connection (M12, 5-pin)......................................................... 63

7 Configuration..................................................................................... 65

7.1 Overview.................................................................................................... 65

7.2 Factory settings......................................................................................... 66

7.2.1 Set to factory settings............................................................. 67

7.3 Configuration mode.................................................................................. 67

7.4 Configuring beam coding......................................................................... 68

7.5 Configuring muting................................................................................... 69

7.6 Checking the parity................................................................................... 70

7.7 Configuring the restart interlock.............................................................. 71

7.8 Configuring external device monitoring (EDM)....................................... 72

7.9 Configuring application diagnostic output.............................................. 72

8 Commissioning.................................................................................. 74

8.1 Safety......................................................................................................... 74

8.2 Overview.................................................................................................... 74

8.3 Switching on.............................................................................................. 75

8.4 Alignment of the active and passive units.............................................. 75

8.4.1 Aligning the active and passive units..................................... 76

8.4.2 Alignment with the QuickFix bracket...................................... 76

8.4.3 Alignment with the FlexFix bracket or with the replacement

br

acket...................................................................................... 77

8.4.4 Indication of the alignment quality......................................... 78

8.5 Check during commissioning and modifications.................................... 79

9 Operation............................................................................................ 80

9.1 Overview.................................................................................................... 80

CONTENTS

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9.2 Safety......................................................................................................... 80

9.3 Regular thorough check........................................................................... 81

9.4 LEDs........................................................................................................... 82

10 Maintenance...................................................................................... 85

10.1 Safety......................................................................................................... 85

10.2 Regular cleaning....................................................................................... 85

10.3 Regular thorough check........................................................................... 86

11 Troubleshooting................................................................................. 87

11.1 Overview.................................................................................................... 87

11.2 Safety......................................................................................................... 87

11.3 Diagnostic LEDs........................................................................................ 88

11.3.1 Indications when switching on................................................ 89

11.3.2 Status indicator........................................................................ 91

11.3.3 Fault indicators........................................................................ 94

12 Decommissioning............................................................................. 97

12.1 Disposal..................................................................................................... 97

13 Technical data.................................................................................... 98

13.1 Data sheet................................................................................................. 98

13.2 Length of cable......................................................................................... 101

13.3 Table of weights........................................................................................ 101

13.4 Dimensional drawings.............................................................................. 102

14 Ordering information........................................................................ 105

14.1 Scope of delivery....................................................................................... 105

14.2 Ordering information deTem4 A/P........................................................... 105

15 Accessories........................................................................................ 107

15.1 Brackets.................................................................................................... 107

15.2 Mounting accessories.............................................................................. 108

15.3 Connectivity............................................................................................... 108

15.4 Alignment aid............................................................................................ 111

15.5 Device columns......................................................................................... 111

15.6 Cleaning agent.......................................................................................... 111

15.7 Test rods.................................................................................................... 111

15.8 Additional accessories............................................................................. 111

16 Annex.................................................................................................. 113

16.1 Compliance with EU directives................................................................. 113

16.2 Note on specified standards.................................................................... 114

16.3 Checklist for initial commissioning and commissioning........................ 115

17 List of figures..................................................................................... 116

18 List of tables....................................................................................... 117

CONTENTS

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1 About this document

1.1 Function of this document

These operating instructions contain the information needed during the life cycle of the

mult

iple light beam safety device.

Operating instructions of the multiple light beam safety device must be made available

to all people who work with the device.

Please read these operating instructions carefully and make sure that you understand

the content fully before working with the multiple light beam safety device.

1.2 Scope

These operating instructions only apply to the deTem4 A/P multiple light beam safety

de

vices with the following type label entries in the “Operating Instructions” field:

•

8024641

This document is included with the following SICK part numbers (this document in all

available language versions):

8024641

1.3 Target groups of these operating instructions

Some chapters of these operating instructions are intended for certain target groups.

Ho

wever, the entire operating instructions are relevant for intended use of the product.

Table 1: Target groups and selected chapters of these operating instructions

Target group Chapter of these operating instructions

Project developers (planners, developers,

de

signers)

"Project planning", page 20

"Configuration", page 65

"Technical data", page 98

"Accessories", page 107

Installers "Mounting", page 49

Electricians "Electrical installation", page 60

Safety experts (such as CE authorized repre‐

sent

atives, compliance officers, people who

test and approve the application)

"Project planning", page 20

"Configuration", page 65

"Commissioning", page 74

"Technical data", page 98

"Checklist for initial commissioning and com‐

missioning", page 115

Operators "Operation", page 80

"T

roubleshooting", page 87

Maintenance personnel "Maintenance", page 85

"T

roubleshooting", page 87

1.4 Additional information

www.sick.com

T

he following information is available on the Internet:

•

This document in other languages

•

Data sheets and application examples

•

CAD data and dimensional drawings

1 A

BOUT THIS DOCUMENT

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•

C

ertificates (e.g. EU declaration of conformity)

•

Guide for Safe Machinery Six steps to a safe machine

1.5 Symbols and document conventions

The following symbols and conventions are used in this document:

Safety notes and other notes

DANGER

Indic

ates a situation presenting imminent danger, which will lead to death or serious

injuries if not prevented.

WARNING

Indic

ates a situation presenting possible danger, which may lead to death or serious

injuries if not prevented.

CAUTION

Indic

ates a situation presenting possible danger, which may lead to moderate or minor

injuries if not prevented.

NOTICE

Indic

ates a situation presenting possible danger, which may lead to property damage if

not prevented.

NOTE

Indic

ates useful tips and recommendations.

Instructions to action

b

The arrow denotes instructions to action.

1. The sequence of instructions for action is numbered.

2. Follow the order in which the numbered instructions are given.

✓

The check mark denotes the result of an instruction.

LED symbols

These symbols indicate the status of an LED:

o

The LED is off.

Ö

The LED is flashing.

O

The LED is illuminated continuously.

Active and passive units

T

hese symbols indicate the active and passive unit of the device:

This symbol indicates the active unit.

This symbol indicates the passive unit.

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2 Safety information

2.1 General safety notes

DANGER

If t

he safety component is integrated incorrectly, the dangerous state may be ended to

late.

b

Plan the integration of the safety component in accordance with the machine

requirements, see "Project planning", page 20.

2.2 Intended use

The deTem4 A/P multiple light beam safety device is an electro-sensitive protective

de

vice (ESPE) and is suitable for the following applications:

•

Single-sided access protection

The deTem4 A/P multiple light beam safety device must only be used within the limits

of t

he prescribed and specified technical data and operating conditions at all times.

Any instance of improper use, incorrect modification, or manipulation of the deTem4

A/P multiple light beam safety device shall void any warranty provided by SICK AG; fur‐

thermore, SICK AG shall not accept any responsibility or liability for any resulting dam‐

age and consequential damage.

2.3 Improper use

The multiple light beam safety device works as an indirect protective measure and can‐

no

t provide protection from pieces thrown from application nor from emitted radiation.

Transparent objects are not detected.

Among others, the multiple light beam safety device is not suitable for the following

applications:

•

Outdoors

•

Underwater

•

In explosion-hazardous areas

•

At altitudes over 3,000 m above sea level

•

In environments with increased levels of ionizing radiation

2.4 Requirements for the qualification of personnel

The protective device must be configured, installed, connected, commissioned, and ser‐

v

iced by qualified safety personnel only.

Project planning

For project planning, a person is considered competent when he/she has expertise and

experience in the selection and use of protective devices on machines and is familiar

with the relevant technical rules and national work safety regulations.

Mechanical mounting, electrical installation, and commissioning

For the task, a person is considered qualified when he/she has the expertise and expe‐

rience in the relevant field and is sufficiently familiar with the application of the protec‐

tive device on the machine to be able to assess whether it is in an operationally safe

state.

2 S

AFETY INFORMATION

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Configuration

F

or configuration, a person is considered competent when he/she has the expertise

and experience in the relevant field and is sufficiently familiar with the application of

the protective device on the machine that he/she can assess its work safety aspects.

Operation and maintenance

For operation and maintenance, a person is considered competent when he/she has

the expertise and experience in the relevant field and is sufficiently familiar with the

application of the protective device on the machine and has been instructed by the

machine operator in its operation.

SAFETY INFORMATION 2

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3 Product description

3.1 Setup and function

Overview

T

he multiple light beam safety device deTem4 A/P is an electro-sensitive protective

device (ESPE) consisting of a transmitter and receiver unit (hereinafter referred to as

the active unit) and a deflection unit (hereinafter referred to as the passive unit). The

transmitter and receiver unit is located in the same housing.

The hazardous area is protected by the infrared light beams between the active unit

and the passive unit on the opposite side. The infrared beams of the active unit hit the

passive unit and are sent back to the active unit with a parallel offset.

When one or more light beams are completely interrupted, the protective device reports

the interruption in the light path to the secure output signal switching devices (OSSDs)

by a signal change. The machine or its control must safely analyze the signals (for

example using a safe control or safety relays) and stop the dangerous state.

Figure 1: Active and passive units

Beam separation and number of beams

T

he beam separation is the distance between two adjacent light beams, measured

from the center of one beam to the center of the next.

The beam separation and number of beams depend on the device variant.

3 P

RODUCT DESCRIPTION

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Scanning range

T

he scanning range is the maximum dimension of the light path between active and

passive units. Depending on the passive unit used, a short or long range can be

achieved.

Further topics

•

"Data sheet", page 98

3.2 Product characteristics

3.2.1 Device overview

!

§

%

"

$

&

Figure 2: Overview of the active unit

!

End cap with integrated indicator lamp (available as an option on the active unit)

"

Active unit

§

System plug

$

Terminal compartment

%

Extension connection (only for certain system plugs)

&

System connection

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!

Figure 3: Overview of the passive unit for short scanning ranges

!

Light guide deflection

!

"

!

Figure 4: Overview of the passive unit for long ranges

!

Prismatic deflection

"

Connection piece

3 PRODUCT DESCRIPTION

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3.2.2 Beam coding

Depending on its configuration, the multiple light beam safety device operates with 1 of

3 be

am codings: Uncoded, code 1 or code 2. It is delivered with the factory setting

Uncoded, which enables particularly short response times. In order to avoid mutual

interference between 2 neighboring multiple light beam safety devices, one can be

operated with code 1 and the other with code 2.

3.2.3 Alignment aid

Diagnostic LEDs are installed in the active unit of the multiple light beam safety device.

F

or a simple alignment of the passive unit, diagnostic LEDs 1 … 8 indicate the align‐

ment quality once the device has been switched on.

•

In a system with 2 beams, the alignment quality is indicated via the diagnostic

LEDs 1 … 4.

•

In a system with 4 beams, the alignment quality of the beams close to the system

plug is indicated via the diagnostic LEDs 1 … 4 and the alignment quality of the

beams remote from the system plug via the diagnostic LEDs 5 … 8.

3.2.4 Restart interlock

The multiple light beam safety device has an integrated restart interlock. The function

can be configured during commissioning.

A restart interlock prevents the machine from starting again once the protective device

has been triggered. First, the operator must press a reset pushbutton to return the pro‐

tective device to monitoring status. Then, in a second step, the operator can restart the

machine.

The reset pushbutton can be connected locally on the system or extension connection.

3.2.5 External device monitoring (EDM)

The multiple light beam safety device has integrated external device monitoring. The

f

unction can be configured during commissioning.

The external device monitoring (EDM) monitors the status of downstream contactors.

In order to use external device monitoring, positively guided contactors must be used to

switch off the machine. If the auxiliary contacts of the positively guided contactors are

connected to the external device monitoring, the external device monitoring checks

whether the contactors switch correctly when the OSSDs are switched off.

External device monitoring can be configured on the system connection or on the exten‐

sion connection.

3.2.6 Application diagnostic output

The multiple light beam safety device has an application diagnostic output on the sys‐

t

em connection and on the extension connection.

Depending on the configuration, the application diagnostic output signals a certain sta‐

tus of the protective device, e.g. if the reset pushbutton must be engaged or if there is a

weak signal at the active unit.

For a signal of the protective device to be displayed, a light can be connected to the

application diagnostic output or the signal can be transmitted to the machine con‐

troller.

The following signals can be output over the application diagnostic output:

•

W

eak signal

•

Reset required

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•

Mut

ing status

•

Override required

3.2.7 Muting

Muting temporarily bypasses the protective action of the multiple light beam safety

de

vice so that material can be transported to or from a machine or system. As a result,

the work process remains uninterrupted. The function can be configured during com‐

missioning.

The distinction between people and materials is made by 2 signals that are indepen‐

dent of each other. Based on the logical evaluation of these signals, the protective

device is bypassed if a valid muting condition is present. As soon as something other

than material enters the hazardous area, the work process is interrupted.

3.2.8 IO-Link

Overview

T

he active unit of the protective devices can communicate with an IO-Link master via

an IO-Link connector, available as an accessory.

The IO-Link connector can also be used to connect 2 muting sensors.

Prerequisites

•

T

he protective device must be supplied with voltage to enable communication with

an IO-Link master via the IO-Link connector.

Data exchange and IO-Link communication

The following data can be exchanged and transferred via IO-Link, for example:

•

Application diagnostic output status information

•

Device information and device status, e.g. name, serial number, type code, status

of OSSDs, muting status or quality of alignment

•

Configuration of the device, e.g. whether the restart interlock is activated

•

Status of each individual light beam

•

Error history

•

Reasons for the last lockout (lockout status)

The following status indicators can be controlled via IO-Link:

•

LED light behavior of the INFO-LED and the integrated indicator lamp (optional)

IO-Link is deactivated each time the protective device is switched on. IO-Link communi‐

cation is not started until the IO-Link master has sent a defined signal (wake-up pulse)

to the protective device and this has been detected.

Complementary information

A

dditional information on connecting the IO-Link connector can be found in the IO-Link

connector mounting instructions.

You can find additional information on IO-Link in the IODD and the SDD for SOPAS ET.

Further topics

•

"A

ccessories", page 107

3.2.9 Near Field Communication (NFC)

Overview

T

he active unit of the multiple light beam safety device has an integrated NFC interface

for transmitting diagnostic data of the protective device to an NFC-capable device.

3 PRODUCT DESCRIPTION

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The integrated NFC interface is intended for temporary use.

Diagnostic data

T

he following diagnostic data can be displayed in an NFC-capable device:

•

Device information and device status, e.g. name, serial number, type code, status

of OSSDs, muting status or quality of alignment

•

Configuration of the device, e.g. whether the restart interlock is activated

•

Fault diagnosis with specification of the error code, error description, diagnostic

LED and troubleshooting

An NFC-capable antenna is integrated behind the front screen of the multiple light

beam safety device for transmitting the data. The area is marked with the NFC-symbol.

Figure 5: NFC symbol

1

)

Calling up diagnostic data

To be able to call up information for diagnostics and configuration, you need an NFC-

capable device, e.g. a smartphone and the SICK Safety Assistant app provided by SICK.

b

Hold the NFC-capable mobile device near the marked NFC-area on the lower end

of the active unit to call up the diagnostic data.

Complementary information

The diagnostic data can also be read out in the voltage-free state of the protective

device. However, you will receive more information if the protective device is supplied

with voltage.

3.2.10 System plug

Overview

T

he following system plugs are available for the multiple light beam safety device:

•

SP1 system plug

•

SP2 system plug

The system plugs differ in functional scope.

Table 2: Functional scope

Functions SP1 system plug SP2 system plug

Beam coding

✓ ✓

Restart interlock

✓ ✓

External device monitoring

(EDM)

✓ ✓

Application diagnostic output

✓ ✓

IO-Link

✓ ✓

Muting –

✓

The system plugs are only used on the active unit of the multiple light beam safety

de

vice.

1)

T

he N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries.

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The system plugs are available in the following versions:

•

S

ystem plug with 5-pin system connection

•

System plug with 8-pin system connection

•

System plug with 5-pin system connection and 5-pin extension connection

•

System plug with 8-pin system connection and 5-pin extension connection

Table 3: Use of SP1 system plug

SP1 system plug type code

1000 1200 1100 1300

Active unit

✓

•

Be

am coding

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output

•

IO-Link

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output

•

IO-Link

✓

SP1 system plug suitable.

Table 4: Use of SP2 system plug

SP2 system plug type code

2000 2200 2100 2300

Active unit

✓

•

Be

am coding

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output or IO-

Link

•

Muting

✓

•

Be

am coding

•

Restart inter‐

lock

•

External

device moni‐

toring

•

Application

diagnostic

output or IO-

Link

•

Muting

✓

SP2 system plug suitable.

3.2.11 Status indicators

Overview

T

he LEDs of the active unit signal the operational status of the multiple light beam

safety device.

3 P

RODUCT DESCRIPTION

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$

§

1

2

3

4

5 6 7 8

!

OSSD

INFO

"

Figure 6: Status indicators of the active unit

Position LED color Display Labeling

!

Red/green OSSD status OSSD

"

Red/yellow/green Information display;

shows the status of

the light path and

additional information

about the status dis‐

play

INFO

§

Blue/red/yellow/white Diagnostics 1, 2, 3, 4, 5, 6, 7, 8

$

Red/yellow/green End cap with inte‐

gr

ated LED (optional)

–

The integrated LED in the end cap of the active unit is responsible for the light behavior

of t

he INFO-LED.

Further topics

•

"Diagnostic LEDs", page 88

3.2.11.1 Indication of diagnostic LEDs

Table 5: Colors and their meaning

Color Color Meaning

O

White Configuration status

O

Blue Alignment quality

O

Red Fault indication

O

Yellow Warning

o LED of

f. Ö LED flashes. O LED illuminates.

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Table 6: Indication of the configuration status

Diagnostics LEDs Color Configuration

1

O W

hite

External device monitoring (EDM) is config‐

ur

ed.

2

O W

hite

Reserved.

3

O W

hite

Beam coding is configured.

4

O W

hite

Restart interlock is configured.

5

O W

hite

Muting is configured.

6

O W

hite

Reserved.

7

O W

hite

Reserved.

8

O W

hite

Reserved.

o LED off. Ö LED flashes. O LED illuminates.

Table 7: Indication of the alignment quality

Diagnostics LEDs Color Meaning

1 ... 4

O Blue

Display of the alignment quality for a system

w

ith 2 beams.

If only one diagnostic LED lights up, the align‐

ment is insufficient. If all 4 diagnostic LEDs

light up, the alignment is excellent.

OR

Display of the alignment quality of the beams

close to the system plug for a system with 4

beams.

If only one diagnostic LED lights up, the align‐

ment is insufficient. If all 4 diagnostic LEDs

light up, the alignment is excellent.

5 … 8

O Blue

Display of the alignment quality of the beams

r

emote from the system plug for a system with

4 beams.

If only one diagnostic LED lights up, the align‐

ment is insufficient. If all 4 diagnostic LEDs

light up, the alignment is excellent.

o LED of

f. Ö LED flashes. O LED illuminates.

Table 8: Fault indication

Diagnostics LEDs Color Meaning

1 ... 8

O R

ed

A red illuminated diagnostic LED signals the

f

unction at which an error has occurred.

1 ... 8

Ö R

ed

A red flashing diagnostic LED signals the rea‐

son f

or the error.

o LED of

f. Ö LED flashes. O LED illuminates.

Example: If diagnostic LED 1 lights up red and diagnostic LED 5 flashes red, there is an

EDM er

ror.

Table 9: Warnings

Diagnostics LED Color Meaning

1 ... 8

O Y

ellow

A yellow illuminated diagnostic LED signals

whic

h function is affected.

3 PRODUCT DESCRIPTION

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O P E R A T I N G I N S T R U C T I O N S | deTem4 A/P 8024782/2019-11-19 | SICK

Subject to change without notice

Diagnostics LED Color Meaning

1 ... 8

Ö Y

ellow

A yellow flashing diagnostic LED signals the

r

eason for the warning.

o LED of

f. Ö LED flashes. O LED illuminates.

Example: If diagnostic LED 5 lights up yellow and diagnostic LED 3 flashes yellow, the

sensor g

ap monitoring was exceeded.

Further topics

•

"Diagnostic LEDs", page 88

3.3 Example applications

Figure 7: Access protection

PRODUCT DESCRIPTION 3

8024782/2019-11-19 | SICK O P E R A T I N G I N S T R U C T I O N S | deTem4 A/P

19

Subject to change without notice

4 Project planning

4.1 Manufacturer of the machine

DANGER

H

azard due to lack of effectiveness of the protective device

Persons and parts of the body to be protected may not be recognized in case of non-

observance.

b

Use of the multiple light beam safety device requires a risk assessment. Check

whether additional protective measures are required.

b

Comply with the applicable national regulations derived from the application (e.g.,

work safety regulations, safety rules, or other relevant safety guidelines).

b

Do not combine the components of the multiple light beam safety device with

components from other multiple light beam safety devices.

b

Apart from the procedures described in this document, the components of the

multiple light beam safety device must not be opened.

b

The components of the multiple light beam safety device must not be tampered

with or changed.

b

Improper repair of the protective device can lead to a loss of the protective func‐

tion. Do not carry out any repairs on the device components.

4.2 Operating entity of the machine

DANGER

H

azard due to lack of effectiveness of the protective device

Persons and parts of the body to be protected may not be recognized in case of non-

observance.

b

Changes to the electrical integration of the multiple light beam safety device in the

machine control and changes to the mechanical mounting of the multiple light

beam safety device necessitate a new risk assessment. The results of this risk

assessment may require the operating entity of the machine to meet a manufac‐

turer’s obligations.

b

Apart from the procedures described in this document, the components of the

multiple light beam safety device must not be opened.

b

The components of the multiple light beam safety device must not be tampered

with or changed.

b

Improper repair of the protective device can lead to a loss of the protective func‐

tion. Do not carry out any repairs on the device components.

4 PROJECT PLANNING

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Subject to change without notice

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SICK deTem4 A/P Operating instructions

SICK deTem4 A/P Operating instructions

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