SICK safeRS Operating instructions

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

safeRS

Radar Safety System

Described product

s

afeRS

Distributor

SICK AG

Erwin-Sick-Str. 1

79183 Waldkirch

Germany

Manufacturer

Inxpec

t SpA

Via del Serpente, 91

25131 Bresica (BS)

Italy

www.inxpect.com

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 Glossary of terms.............................................................................. 9

2 This manual........................................................................................ 10

2.1 Information on this manual...................................................................... 10

2.1.1 Scope........................................................................................ 10

2.1.2 Obligations with regard to this manual................................... 10

2.1.3 Intended users of this instruction manual............................. 10

3 Safety.................................................................................................. 11

3.1 Safety information.................................................................................... 11

3.1.1 Safety messages..................................................................... 11

3.1.2 Personell skills......................................................................... 11

3.1.3 Foreseen use........................................................................... 11

3.1.4 General warnings..................................................................... 12

3.1.5 Warnings for the restart prevention funktion........................ 12

3.1.6 Responsibility........................................................................... 12

3.1.7 Limits........................................................................................ 12

3.2 Conformity................................................................................................. 12

3.2.1 Directives and standards........................................................ 12

3.2.2 Declaration of conformity and certifications......................... 13

3.2.3 FCC certification....................................................................... 13

3.3 National restrictions................................................................................. 13

3.3.1 France and the United Kingdom............................................. 13

3.3.2 Japan........................................................................................ 14

3.3.3 Korea........................................................................................ 14

3.3.4 Argentina.................................................................................. 14

3.3.5 Mexico...................................................................................... 14

3.3.6 China........................................................................................ 15

4 Get to know safeRS........................................................................... 16

4.1 safeRS....................................................................................................... 16

4.1.1 Description............................................................................... 16

4.1.2 Inputs and outputs.................................................................. 16

4.1.3 Special features....................................................................... 16

4.1.4 Main components.................................................................... 16

4.1.5 Controller - sensors communication...................................... 17

4.1.6 Applications.............................................................................. 17

4.2 safeRS control........................................................................................... 17

4.2.1 Functions.................................................................................. 17

4.2.2 Structure................................................................................... 17

4.2.3 Sensors status LED................................................................. 18

4.2.4 Inputs and outputs status LED............................................... 18

4.2.5 Safety outputs.......................................................................... 18

4.2.6 Safety outputs status.............................................................. 18

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4.2.7 Auxiliary outputs...................................................................... 18

4.2.8 Auxiliary outputs status........................................................... 19

4.2.9 Digital inputs............................................................................ 19

4.2.10 SNS input................................................................................. 19

4.3 safeRS sensor........................................................................................... 19

4.3.1 Functions.................................................................................. 19

4.3.2 Structure................................................................................... 20

4.3.3 Status LED................................................................................ 20

4.4 safeRS Designer....................................................................................... 20

4.4.1 Functions.................................................................................. 20

4.4.2 Access...................................................................................... 20

4.4.3 Main menu............................................................................... 21

4.4.4 Configuration report................................................................ 21

5 Functioning principles....................................................................... 22

5.1 Sensor functioning principles.................................................................. 22

5.1.1 Introduction.............................................................................. 22

5.1.2 Factors that influence the reflected signal............................ 22

5.1.3 Signaled and missed objects.................................................. 22

5.2 Detection function.................................................................................... 22

5.2.1 Description............................................................................... 22

5.2.2 Pre-alarm area......................................................................... 23

5.3 Restart prevention function..................................................................... 23

5.3.1 Description............................................................................... 23

5.3.2 Function limits.......................................................................... 23

5.3.3 Types of managed restart....................................................... 23

5.3.4 Precautions for preventing automatic restarting................... 24

5.3.5 Enable the restart prevention function.................................. 24

5.4 Muting........................................................................................................ 24

5.4.1 Description............................................................................... 24

5.4.2 Muting enabling....................................................................... 24

5.4.3 Example of sensors - groups association............................... 25

5.4.4 Example of digital inputs - groups association...................... 25

5.4.5 Muting status........................................................................... 25

5.5 Tamper-proof functions............................................................................ 25

5.5.1 Tampering signal...................................................................... 25

5.5.2 Masking signal......................................................................... 25

5.6 Masking conditions................................................................................... 26

5.6.1 Environment memorization process....................................... 26

5.6.2 Causes of masking.................................................................. 26

5.6.3 Masking signal when the system is turned on....................... 26

5.6.4 Disable masking signals.......................................................... 26

5.6.5 Inspections with masking signals disabled............................ 26

5.6.6 When to disable....................................................................... 27

6 Sensor position.................................................................................. 28

CONTENTS

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6.1 Basic concepts.......................................................................................... 28

6.1.1 Determining factors................................................................. 28

6.1.2 Sensor installation height....................................................... 28

6.1.3 Sensor inclination.................................................................... 28

6.2 Sensor field of vision................................................................................ 28

6.2.1 Types of field of vision............................................................. 28

6.2.2 Features of the 50° field of vision......................................... 29

6.2.3 Areas and dimensions of the field of vision........................... 29

6.2.4 Dimensions of the 110° field of vision.................................. 29

6.2.5 Dimensions of the 50° field of vision.................................... 29

6.2.6 Sensitivity................................................................................. 30

6.3 Calculation of position for sensor height < 1 m..................................... 30

6.3.1 Introduction.............................................................................. 30

6.3.2 Overview of possible installation-inclination configurations. 30

6.3.3 110° field of vision.................................................................. 30

6.3.4 50° field of vision.................................................................... 31

6.3.5 Legend...................................................................................... 31

6.3.6 Configuration 1 (sensor upwards).......................................... 31

6.3.7 110° field of vision.................................................................. 31

6.3.8 50° field of vision.................................................................... 32

6.3.9 Configuration 2 (straight sensor)............................................ 32

6.3.10 110° field of vision.................................................................. 32

6.3.11 50° field of vision.................................................................... 33

6.3.12 Configuration 3 (sensor downwards)...................................... 33

6.3.13 110° field of vision.................................................................. 33

6.3.14 50° field of vision.................................................................... 34

6.4 Calculation of position for sensor height > 1 m..................................... 34

6.4.1 Introduction.............................................................................. 34

6.4.2 Legend...................................................................................... 34

6.4.3 110° field of vision.................................................................. 34

6.4.4 50° field of vision.................................................................... 35

6.5 Dangerous area calculation..................................................................... 35

6.5.1 Introduction.............................................................................. 35

6.5.2 Sensor height < 1 m................................................................ 36

6.5.3 Sensor height > 1 m................................................................ 36

7 Applications........................................................................................ 38

7.1 Applications overview............................................................................... 38

7.1.1 Comparison of the managed applications............................. 38

7.2 Linear barrier (complete restart prevention)........................................... 38

7.2.1 Distance between sensors and number of sensors.............. 38

7.2.2 Tolerance area......................................................................... 39

7.2.3 Distance of sensors and tolerance area................................ 39

7.2.4 Side areas and false alarms................................................... 39

7.2.5 Calculation of the monitored area.......................................... 40

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7.2.6 Example of a monitored area with an odd number of sen‐

sor

s........................................................................................... 40

7.2.7 Example of a monitored area with an even number of sen‐

sors........................................................................................... 41

7.3 Linear barrier (limited restart prevention)............................................... 41

7.3.1 Distance between sensors and number of sensors.............. 41

7.3.2 Tolerance area......................................................................... 42

7.3.3 Distance of sensors and tolerance area................................ 42

7.3.4 Side guards and false alarms................................................. 42

7.3.5 Blind spots............................................................................... 42

7.3.6 Restart prevention function limits.......................................... 43

7.3.7 Calculation of the monitored area.......................................... 43

7.3.8 Example of monitored area without pre-alarm area.............. 43

7.3.9 Example of monitored area with pre-alarm area................... 44

7.4 Other applications.................................................................................... 44

7.4.1 Types of applications............................................................... 44

7.4.2 Calculation of the monitored area.......................................... 44

7.4.3 Examples.................................................................................. 45

8 Installation and use procedures...................................................... 46

8.1 Before installation..................................................................................... 46

8.1.1 Materials required................................................................... 46

8.1.2 Install the safeRS Designer..................................................... 46

8.1.3 Initiate safeRS.......................................................................... 46

8.2 Install and configure safeRS.................................................................... 46

8.2.1 Install the controller................................................................. 46

8.2.2 Define the working frequency of the sensors........................ 47

8.2.3 Define the area to be monitored............................................ 47

8.2.4 Configure the auxiliary inputs and outputs............................ 47

8.2.5 Save and print the configuration............................................ 48

8.2.6 Install sensors on the floor..................................................... 48

8.2.7 Install the sensors on the machinery..................................... 49

8.2.8 Connect the controller to the sensors and assign the IDs.... 50

8.2.9 Chain examples....................................................................... 50

8.2.10 Install the side guards............................................................. 51

8.3 Validate safety functions.......................................................................... 51

8.3.1 Validation.................................................................................. 51

8.3.2 Validate the detection function............................................... 51

8.3.3 Example of access points....................................................... 52

8.3.4 Validate the restart prevention function................................ 52

8.3.5 Examples of stopping points................................................... 52

8.3.6 Validate the system with safeRS Designer............................. 52

8.3.7 Troubleshooting validation...................................................... 53

8.4 Manage the configuration........................................................................ 53

8.4.1 Change the configuration........................................................ 53

8.4.2 Export/import the configuration............................................. 54

CONTENTS

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8.5 Other functions......................................................................................... 54

8.5.1 Change the access password................................................. 54

8.5.2 Reset the access password.................................................... 54

8.5.3 Restore factory default settings.............................................. 54

8.5.4 Identify a sensor...................................................................... 54

9 Maintenance and troubleshooting.................................................. 55

9.1 Troubleshooting........................................................................................ 55

9.1.1 Sensor LED............................................................................... 55

9.1.2 Controller LED.......................................................................... 55

9.1.3 Other problems........................................................................ 56

9.2 System log................................................................................................. 56

9.2.1 Introduction.............................................................................. 56

9.2.2 Download system log............................................................... 56

9.2.3 Radar signal errors (SIGNAL ERROR)..................................... 56

9.2.4 CAN errors (CAN ERROR)......................................................... 57

9.2.5 Temperature errors (TEMPERATURE ERROR)........................ 57

9.2.6 Relay errors (RELAY ERROR)................................................... 57

9.2.7 Sensor/controller voltage errors (POWER ERROR)................ 57

9.2.8 Sensor inclination errors (ACCELEROMETER ERROR)........... 58

9.2.9 Peripheral error (PERIPHERAL ERROR).................................. 58

9.2.10 System boot (SYSTEM BOOT).................................................. 58

9.2.11 Sensor voltage......................................................................... 58

9.2.12 Controller voltage..................................................................... 58

9.3 Cleaning and spare parts......................................................................... 58

9.3.1 Cleaning.................................................................................... 58

9.3.2 Spare parts.............................................................................. 58

9.4 Periodical tests......................................................................................... 59

9.4.1 Test........................................................................................... 59

9.4.2 Periodical test with safeRS Designer..................................... 59

9.4.3 Perform the test with safeRS Designer.................................. 59

9.4.4 Display the performed test reports........................................ 59

9.5 Updates..................................................................................................... 59

9.5.1 Download updates................................................................... 60

10 Decommissioning............................................................................. 61

10.1 Disposal..................................................................................................... 61

11 Technical references......................................................................... 62

11.1 Technical data........................................................................................... 62

11.1.1 General specifications............................................................. 62

11.1.2 Controller features................................................................... 62

11.1.3 Sensor features........................................................................ 63

11.1.4 CAN bus cables specifications................................................ 64

11.1.5 Side screws specifications...................................................... 64

11.2 Terminal blocks and connectors pin-outs............................................... 65

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11.2.1 Safety outputs terminal block................................................. 65

11.2.2 Auxiliary outputs terminal block............................................. 65

11.2.3 Digital inputs terminal block................................................... 66

11.2.4 Voltage and current limits for digital inputs........................... 66

11.2.5 Power supply terminal block................................................... 66

11.2.6 CAN bus terminal block........................................................... 66

11.2.7 Connectors M12 CAN bus....................................................... 67

11.3 Electrical connections.............................................................................. 67

11.3.1 Connection of safety outputs to the machinery control sys‐

t

em............................................................................................ 67

11.3.2 Connection of safety outputs to an external safety relay...... 68

11.3.3 Connection of emergency button........................................... 68

11.3.4 Connection of restart enable button...................................... 69

11.3.5 Connection of the muting input and output (one group of

sensors).................................................................................... 69

11.3.6 Connection of the muting input and output (two groups of

sensors).................................................................................... 70

11.3.7 Pre-alarm output connection.................................................. 70

11.3.8 Faulty output connection........................................................ 71

CONTENTS

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1 Glossary of terms

Dangerous area Area to be monitored because it is dangerous for people.

Detection area Portion of the field of vision where detection is guaranteed.

Field of vision Sensor area of vision. It is composed of two areas: detection area

and uncer

tainty area. It can have two ranges: 110° and 50°

FMCW Frequency Modulated Continuous Wave

Machinery The system for which the dangerous area is monitored.

Monitored area Area actually monitored by the system. Includes the stopping area,

and onl

y for detection function, any pre-alarm area.

Pre-alarm area Only for the detection function. Area where motion detection trig‐

gers the closure of the dedicated auxiliary relay.

Stopping area Portion of the area monitored by the sensor where, if motion is

detected, the system safety relays are de-energized. If it does not

correspond to the dangerous area defined in the risk assessment,

the residual risk must be calculated and additional safety mea‐

sures must be introduced.

Tolerance area Portion of the monitored area where detection is not guaranteed.

Uncertainty area Area of the field of vision where detection or not of an object

depends on t

he characteristics of the same object.

GLOSSARY OF TERMS 1

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2 This manual

2.1 Information on this manual

2.1.1 Scope

This manual explains how to integrate safeRS to protect machinery operators and how

to install it, use it and maintain it safely.

These instructions do not pertain to the functioning of the machinery where safeRS is

installed.

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

available language versions):

8024734

2.1.2 Obligations with regard to this manual

NOTE

this manual is an integral part of the product and must be kept for its entire working

life.

It must be consulted for all situations related to the life cycle of the product from its

delivery through to decommissioning.

It must be conserved so that it is accessible to operators, in a clean location and in

good condition. In the event of manual loss or damage, contact Customer Assistance

Service.

Always enclose the manual when the equipment is sold.

2.1.3 Intended users of this instruction manual

The recipients of the instruction manual are:

•

T

he designer of the machinery onto which the system will be installed

•

System installer

•

Machinery maintenance technician

2 T

HIS MANUAL

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3 Safety

3.1 Safety information

3.1.1 Safety messages

Warnings related to safety of the user and equipment as envisaged in this document

ar

e as follows:

WARNING

indic

ates a hazardous situation which, if not avoided, may cause death or serious injury.

NOTE

indic

ates obligations that if not observed may cause damage to the equipment.

3.1.2 Personell skills

The recipients of this manual and the skills required for each activity presented herein

ar

e as follows:

Recipient Assignments Skills

Machinery

de

signer

•

D

efines which protection

devices should be installed

and installation specifica‐

tions

•

Knowledge of significant dangers of the

machinery that must be mitigated

based on risk assessment.

•

Knowledge of the entire machinery

safety system and the system on which

it is installed.

Protection system

ins

taller

•

Ins

talls the system

•

Configures the system

•

Prints configuration report

•

Advanced technical knowledge in the

electrical and industrial safety fields

•

Knowledge of the dimensions of the

dangerous area of the machinery to be

monitored

•

Receives instructions from the machin‐

ery designer

Machinery main‐

t

enance techni‐

cian

•

P

erforms maintenance on

the system

•

Advanced technical knowledge in the

electrical and industrial safety fields

3.1.3 Foreseen use

safeRS is certified as SIL 2 according to IEC/EN 62061 and PL d in accordance with EN

IS

O 13849-1. Performs the following safety functions:

•

detection function: prevents access to a dangerous area. Access to the area de-

energizes the safety relays to stop the machinery's moving parts.

•

restart prevention function: prevents unexpected starting or restarting of the

machinery. Detection of motion within the dangerous area maintains the safety

relays de-energized to prevent machinery starting.

safeRS is suitable for protecting the entire body.

safeRS has been designed to monitor dangerous areas in industrial environments.

Thanks to IP67 protection grade, the sensors are suitable for indoor and outdoor instal‐

lations.

safeRS is technically identical to the LBK System from manufacturer Inxpect.

safeRS control is technically identical to the LBK-C22 from manufacturer Inxpect.

safeRS sensor is technically identical to the LBK-S01 from manufacturer Inxpect.

SAFETY 3

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3.1.4 General warnings

•

W

rong installation and configuration of the system decreases or inhibits the pro‐

tective function of the system. Follow the instructions provided in this manual for

correct installation, configuration and validation of the system.

•

Changes to the system configuration may compromise the protective function of

the system. After any changes made to the configuration, validate correct function‐

ing of the system by following the instructions provided in this manual.

•

If the system configuration allows access to the dangerous area without detection,

implement additional safety measures (e.g. guards).

•

The presence of static objects, in particular metallic objects, within the field of

vision may limit the efficiency of sensor detection. Keep the sensor field of vision

unobstructed.

•

The system protection level (SIL 2, PL d) must be compatible with the require‐

ments set forth in the risk assessment.

•

Check that the temperature of the areas where the system is stored and installed

is compatible with the storage and operating temperatures indicated in the techni‐

cal data of this manual.

3.1.5 Warnings for the restart prevention funktion

The restart prevention function is not guaranteed in blind spots. If required by the risk

a

ssessment, implement adequate safety measures in those areas.

Machinery restarting must be enabled only in safe conditions. The restart enable but‐

ton must be installed:

•

outside of the dangerous area

•

not accessible from the dangerous area

•

in a point where the dangerous area is fully visible

3.1.6 Responsibility

The machinery designer and system installer are responsible for:

•

Pr

oviding adequate integration of the system's outgoing signals (both safety and

auxiliary).

•

Checking the monitored area of the system and validating it based on the needs of

the application and risk assessment. Following the instructions provided in this

manual.

3.1.7 Limits

•

T

he system does not detect the presence of inert people or objects within the dan‐

gerous area.

•

The system does not offer protection from pieces ejected from the machinery,

from radiation, and objects falling from above.

•

The machinery command must be electronically controlled.

3.2 Conformity

3.2.1 Directives and standards

Conformity

Directives 2006/42/EC (MD - Machinery)

2014/53/

EU (RED - Radio equipment)

3 SAFETY

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Conformity

Standards IEC/EN 62061: 2005 SIL 2

EN IS

O 13849-1: 2015 PL d

EN ISO 13849-2: 2012

IEC/EN 61496-1: 2013

IEC/EN 61508: 2010 Part 1-7 SIL 2

ETSI EN 300 440 v2.1.1

ETSI EN 301 489-1 v2.2.0 (only emissions)

ETSI EN 301 489-3 v2.1.1 (only emissions)

IEC/EN 61326-3-1:2017

IEC/EN 61010-1: 2010

Note: no type of fault has been excluded during the system analysis and design phase.

3.2.2 Declaration of conformity and certifications

The manufacturer, Inxpect SpA, declares that the type of radio equipment safeRS com‐

plie

s with the directive 2014/53/EU. The full EU declaration of conformity text is avail‐

able on the company's website at the address www.inxpect.com.

At the same address all updated certifications are available for download.

3.2.3 FCC certification

safeRS complies with FCC CFR title 47, part 15, subpart B. It contains FCC ID: UXS-

SMR

-3X4. Operation is subject to the following two conditions:

•

this device may not cause harmful interference, and

•

this device must accept any interference received, including interference that may

cause undesired operation

NOTE

changes or modifications made to this equipment and not explicitly approved by SICK

AG may void the FCC authorization to operate this equipment.

3.3 National restrictions

3.3.1 France and the United Kingdom

safeRS is a short range device in class 2 in accordance with the directive 2014/53/EU

(R

ED - Radio equipment) and is subject to the following restrictions:

FR UK

it

R

estrictions in France and the United Kingdom. The national frequency allocation in

France and the United Kingdom prohibits free use of the entire 24-24.25 GHz band.

Correctly set the authorized band in the safeRS Designer.

fr

Restrictions en FR. En France, la répartition nationale des fréquences ne permet pas

l'utilisation libre de la totalité de la bande 24-24,25 GHz. Définissez correctement la

bande autorisée dans safeRS Designer.

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en

R

estrictions in UK. In the United Kingdom, the national allocation of frequencies does

not allow the free use of the whole band 24-24.25 GHz. Set the authorized band in the

safeRS Designer.

3.3.2 Japan

en

R

estrictions in Japan. In Japan, the national allocation of frequencies does not allow

the free use of the whole band 24-24.25 GHz. Set the country correctly in the safeRS

Designer and the authorized band 24,05-24,25 GHz will be automatically selected.

ja

日本における制限。日本では、全国的な周波数割り当てでは、24〜24.25 GHz の

全帯域を自由に使用することはできません。 safeRS Designer アプリケーションで

承認された帯域を設定します。

3.3.3 Korea

en

R

estrictions in Korea. In Korea, the national allocation of frequencies does not allow the

free use of the whole band 24-24.25 GHz. Set the country correctly in the safeRS

Designer and the authorized band 24,05-24,25 GHz will be automatically selected.

ko

한국의 제한. 한국에서는 국가의 주파수 할당 규정에 따라 24-24.25 GHz 전체 주파수

대역을 무료로 사용하는 것을 허용하지 않는다. safeRS Designer 애플리케이션에서

승인된대역을 설정한다.

3.3.4 Argentina

en

R

estrictions in Argentina. In Argentina, the national allocation of frequencies does not

allow the free use of the whole band 24-24.25 GHz. Set the authorized band correctly

in the safeRS Designer.

es-AR

Restricciones en Argentina. La atribución de las bandas de frecuencia en la República

Argentina no permite el uso libre de toda la banda de 24-24,25 GHz. Configure correc‐

tamente la banda autorizada en la aplicación safeRS Designer.

3.3.5 Mexico

en

R

estrictions in Mexico. In Mexico, the national allocation of frequencies does not allow

the free use of the whole band 24-24.25 GHz. Set the country correctly in the safeRS

Designer and the authorized band 24,05-24,25 GHz will be automatically selected.

es-MX

R

estricciones en México. La atribución de las bandas de frecuencia en México no per‐

mite el uso libre de toda la banda de 24-24,25 GHz. Configure correctamente la banda

autorizada en la aplicación safeRS Designer

3 S

AFETY

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3.3.6 China

en

R

estrictions in China. The use in China is strictly linked to compliance with the tempera‐

ture range of operation, which can not fall below 0° C or 32° F.

zh-CN

中国的限制。在中国使用须严格符合操作温度范围，不能低于 0°C 或 32°F。

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4 Get to know safeRS

4.1 safeRS

4.1.1 Description

safeRS is an active protection radar system that monitors the dangerous areas of a

mac

hinery. It performs two safety functions:

•

detection function: it places the machinery in safe conditions when someone

enters the dangerous area

•

restart prevention function: it inhibits the machinery restart if there are people in

the dangerous area

4.1.2 Inputs and outputs

Thanks to its digital inputs and outputs, safeRS provides an automatic control system

t

hat manages the primary safety functions of the machinery.

In addition to safety outputs, the system is also fitted with two configurable auxiliary

outputs (fault, pre-alarm and muting status) and three digital inputs (emergency button,

restart enable button and muting).

4.1.3 Special features

Some of the special features of this protection system are presented as follows:

•

resistant to dust, water, smoke and work waste

•

pre-alarm area to signal proximity or prepare the machinery for stopping

•

three configurable sensitivity levels

•

muting on the entire system or only on some sensors

4.1.4 Main components

safeRS is composed of a controller and up to six sensors. The safeRS Designer applica‐

t

ion allows configuration and inspection of system functioning.

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4.1.5 Controller - sensors communication

The sensors communicate with the controller via CAN bus using diagnostic mecha‐

nisms in com

pliance with standard EN 50325-5 to guarantee SIL 2 and PL d.

For correct functioning, each sensor must be assigned with an identification (ID). Two

sensors on the same bus must have different IDs.

The default settings for the sensors is ID = 0, or no assigned ID.

4.1.6 Applications

safeRS integrates with the machinery control system: when performing safety functions

or de

tecting faults, safeRS de-energizes the safety relays and keeps them de-energized,

so the control system can command safety conditions of the area and/or prevent

restarting of the machinery.

In the absence of other control systems, safeRS can be connected to the devices that

control the power supply or machinery start-up (e.g. external relays on the power supply

line).

safeRS does not perform normal machinery control functions. For connection exam‐

ples, see "Electrical connections", page 67.

4.2 safeRS control

4.2.1 Functions

The controller performs the following functions:

•

C

ollects information from all the sensors via CAN bus.

•

Compares the position of detected motion with the set stopping and pre-alarm

thresholds.

•

De-energizes the safety output relays when at least one sensor detects motion in

the stopping area.

•

De-energizes the safety output relays if a fault is detected in the sensor or the con‐

troller.

•

Manages the auxiliary inputs and outputs (to learn about the functions see "Auxil‐

iary outputs", page 18 and see "Digital inputs", page 19).

•

Communicates with the safeRS Designer for all configuration and diagnostic func‐

tions.

4.2.2 Structure

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Part Description

A DIP switch to include/exclude the termination resistance:

•

On (de

fault) = resistance included

•

Off = resistance excluded

B Digital inputs status LED

C Sensors CAN bus terminal block

D Micro USB port for connecting the computer and communicating with the safeRS

D

esigner

E Safety outputs status LED

F Auxiliary outputs status LED

G Power supply terminal block

H Digital inputs terminal block

I Sensors status LED

L Safety outputs terminal block

M Auxiliary outputs terminal block

4.2.3 Sensors status LED

The LEDs are each dedicated to a sensor, and can display the following statuses:

Status Meaning

Green Normal functioning and no detected motion

Orange Normal functioning and motion detected

Flashing red Error see "C

ontroller LED", page 55

4.2.4 Inputs and outputs status LED

The meaning of the LEDs when they are on is as follows:

LED Meaning

Safety output Energized relay (closed contact)

Auxiliary output Energized relay (closed contact)

Digital input High logic level (1)

4.2.5 Safety outputs

The controller has one dual channel safety output realized with forced guided safety

r

elays for alarms and, direct or indirect, safety of the machinery.

4.2.6 Safety outputs status

The relay contacts are normally open. The statuses of the safety outputs are as follows:

•

de

-energized relay (open contact):

°

motion detected in stopping area or

°

fault detected in system

•

energized relay (contact closed):

°

no motion detected and normal functioning

4.2.7 Auxiliary outputs

The controller has two relay outputs, which can be configured via the safeRS Designer,

f

or:

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•

pr

e-alarm

•

fault

•

muting status

4.2.8 Auxiliary outputs status

The statuses of the auxiliary outputs are as follows:

Output De-energized relay (open contact) Energized relay (closed contact)

Pre-alarm No motion detected in the pre-alarm

ar

ea

Motion detected in the pre-alarm

area

Fault Fault Normal functioning

Muting sta‐

t

us

Muting disabled Muting enabled

4.2.9 Digital inputs

The controller has three dual channel digital inputs and common reference potential

f

or:

•

muting (high logic level (1) = muting enabled)

•

machinery emergency button (low logic level (0) = stopping enabled)

•

machinery restart button enabled (high logic level (1) = restart enabled)

The inputs are type1, type 2 and type 3 (see "Voltage and current limits for digital

inputs", page 66). The function of the inputs can be configured through the safeRS

Designer.

4.2.10 SNS input

The controller also has an SNS in

put (high logic level (1) = 24 V) to check the correct

functioning of the chip that detects the status of the inputs.

NOTE

if a

t least one input is connected, the SNS input must also be connected.

4.3 safeRS sensor

4.3.1 Functions

The sensors perform the following functions:

•

D

etect motion in their field of vision.

•

Send the motion detection signal to the controller through CAN bus.

•

Signal faults detected in diagnostics on the controller through CAN bus.

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4.3.2 Structure

A

B

C

E

Part Description

A Sensor

B Screws for fastening the sensor at a specific inclination

C Perforated bracket for installing the sensor on the ground or on the machinery

D Status LED

E Connectors for connecting the sensors in a chain and to the controller

4.3.3 Status LED

Status Meaning

Steady on Normal functioning and no detected motion

Rapid flashing on (100 ms) Normal functioning and motion detected

Other conditions Error. see "S

ensor LED", page 55

4.4 safeRS Designer

4.4.1 Functions

The application is used to perform the following main functions:

•

C

onfigure the system.

•

Print configuration report.

•

Check system functioning.

•

Download system log.

4.4.2 Access

The application can be downloaded for free at www

.sick.com

Some functions are password protected. The password must be set through the appli‐

cation and is saved on the controller. The available functions according to access type

are presented as follows:

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SICK safeRS Operating instructions

SICK safeRS Operating instructions

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