SICK BAS Driver assistance systems Operating instructions

Brand: SICK

Model: BAS Driver assistance systems

Type: Operating instructions

OPERATING INSTRUCTIONS

BAS

Driver assistance systems

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OPERATING INSTRUCTIONS | BAS

Subject to change without notice

Product described

Product name: BAS

Document identification

Title: BAS operating instructions

Part number: 8022161

Status: 2017-11-09

Manufacturer

SICK AG

Erwin-Sick-Str. 1 · 79183 Waldkirch · Germany

Trademarks

IBM is a trademark of the International Business Machine Corporation.

MS-DOS is a trademark of the Microsoft Corporation.

Windows is a trademark of the Microsoft Corporation.

Other product names in this document may also be trademarks and are

only used here for identification purposes.

Original documents

The German version 8022160 of this document is an original document of

SICK AG.

SICK AG does not assume liability for the correctness of a non-authorized

translation.

In case of doubt, contact SICK AG or your local agency.

Legal notes

Subject to change without notice

CONTENTS

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OPERATING INSTRUCTIONS | BAS

Contents

1 About these operating instructions ..............................................................................5

1.1 Described software versions ............................................................................... 5

1.2 Purpose of this document .................................................................................... 5

1.3 Target group ......................................................................................................... 5

1.4 Information depth ................................................................................................ 5

1.5 Abbreviations used ............................................................................................... 6

1.6 Symbols used ....................................................................................................... 6

2 Safety ..............................................................................................................................7

2.1 Qualified personnel .............................................................................................. 7

2.2 Applications of the system ................................................................................... 7

2.3 Intended use ......................................................................................................... 8

2.4 General safety notes and protective measures ................................................. 9

2.4.1 Safety notes and symbols .................................................................... 9

2.4.2 General safety notes .......................................................................... 10

2.4.3 Potential hazardous points ................................................................ 11

2.5 Protecting the environment .............................................................................. 13

3 Product description .................................................................................................... 14

3.1 Scope of delivery ............................................................................................... 14

3.2 System components ......................................................................................... 17

3.3 Operating principle ............................................................................................ 19

3.4 Status indicators ............................................................................................... 21

3.4.1 2D LiDAR sensor ................................................................................ 21

3.4.2 Control unit ......................................................................................... 21

4 Mounting ..................................................................................................................... 22

4.1 Function test before mounting ......................................................................... 22

4.2 Mounting the 2D LiDAR sensor ........................................................................ 22

4.2.1 General notes for installation ............................................................ 22

4.2.2 Using SICK mounting kit .................................................................... 25

4.2.2.1 Overview ............................................................................ 25

4.2.2.2 Mounting the TiM320 ....................................................... 26

4.2.2.3 Mounting the TiM351 ....................................................... 27

4.2.3 Installation with RAM MOUNT universal mounts.............................. 29

4.2.4 Using fastening clips .......................................................................... 30

4.3 Mounting the control unit (control cabinet) ..................................................... 31

4.4 Mounting the tone buzzer ................................................................................. 31

4.5 Mounting the signal column (optional) ............................................................ 31

4.6 Recommended RAM MOUNT universal mounts (optional) ............................. 32

5 Electrical installation ................................................................................................. 34

5.1 Overview ............................................................................................................ 35

5.2 Connecting the control unit to the voltage supply ........................................... 36

5.3 Connecting the 2D LiDAR sensor ..................................................................... 37

5.4 Connecting the signal generator for reversing ................................................ 39

5.5 Connecting the tone buzzer .............................................................................. 40

5.6 Connecting the signal column (optional) ......................................................... 41

CONTENTS

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6 Commissioning ............................................................................................................ 42

6.1 System start-up ..................................................................................................42

6.2 Connecting the 2D LiDAR sensors with SOPAS ................................................43

6.2.1 Overview ..............................................................................................43

6.2.2 Preparing the configuration PC ..........................................................43

6.2.3 Installing SOPAS on the configuration PC .........................................43

6.2.3.1 Launching SOPAS ..............................................................43

6.2.4 Connecting TiM3xx with the configuration PC ...................................44

6.2.4.1 Starting the device search .................................................45

6.2.4.2 Loading device drivers into the SOPAS project ................47

6.2.4.3 Online connection of 2D LiDAR sensor .............................48

6.2.4.4 The project tree of the device description ........................50

6.2.4.5 Logging into the 2D LiDAR sensor ....................................50

6.3 Adapting the geometry of the monitoring fields ...............................................51

6.3.1 Opening field set with monitoring fields ............................................51

6.3.2 Adjusting the display view ..................................................................53

6.3.3 Editing fields ........................................................................................56

6.4 Completing configuration ..................................................................................60

6.4.1 Transferring parameters to the 2D LiDAR sensor .............................60

6.4.2 Testing the configuration of the monitoring fields ............................60

6.4.3 Exporting configuration to device file ................................................61

7 Maintenance ................................................................................................................ 62

7.1 Overview of maintenance tasks ........................................................................62

7.2 Maintenance during operation ..........................................................................62

7.2.1 Cleaning the 2D LiDAR sensor ...........................................................62

7.2.2 Visual inspection of the cables ..........................................................63

7.3 Replacing components ......................................................................................64

7.3.1 Replacing the 2D LiDAR sensor .........................................................64

7.3.2 Replacing the control unit ..................................................................65

8 Fault diagnosis ............................................................................................................ 68

8.1 Response to faults .............................................................................................68

8.2 Fault indication of components ........................................................................68

8.3 SICK Support ......................................................................................................68

9 Annex ............................................................................................................................ 69

9.1 Technical data ....................................................................................................69

9.1.1 Data sheet BAS320-xxxxx ...................................................................69

9.1.2 Data sheet BAS351-xxxxx ...................................................................70

9.2 Dimensional drawings .......................................................................................71

9.2.1 Dimensional drawing for 2D LiDAR sensor TiM320 .........................71

9.2.2 Dimensional drawing for 2D LiDAR sensor TiM351 .........................73

9.2.3 Dimensional drawing of control unit ..................................................76

9.2.4 Dimensional drawing of tone buzzer .................................................76

9.2.5 Dimensional drawing of signal column (optional) .............................77

10 Figures and tables ....................................................................................................... 78

10.1 List of tables .......................................................................................................78

10.2 List of figures ......................................................................................................79

ABOUT THESE OPERATING INSTRUCTIONS 1

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OPERATING INSTRUCTIONS | BAS

1 About these operating instructions

Please read this chapter carefully before you begin working with this documentation and

the Backup Assistance System (BAS).

1.1 Described software versions

Software

Function

Status

SOPAS

SICK Engineering Tool for the configuration and

diagnostics of the BAS driver assistance system

≥ V 3.0

Table 1: Software versions

1.2 Purpose of this document

These operating instructions are designed to give technical personnel instructions on

the safe mounting, configuration, electrical installation, commissioning, operation, and

maintenance of the BAS driver assistance system.

These operating instructions do not provide information on operating the customer

system into which the Backup Assistance System has been or is going to be integrated.

Additional information on this can be found in the customer documentation.

1.3 Target group

These operating instructions are intended for persons integrating the Backup Assistance

System into a manned forklift truck or another industrial vehicle and performing initial

commissioning and operation. They are also intended for the planners, developers and

operating entities of manned forklift trucks or other industrial vehicles.

1.4 Information depth

These operating instructions contain information about the BAS driver assistance system

on the following topics:

• Product description

• Mounting

• Electrical installation

• Commissioning and configuration

• Maintenance and care

• Fault diagnosis and troubleshooting

• Technical data and dimensional drawings

When planning and using driver assistance systems such as the BAS, technical skills are

required that are not covered by this document.

The applicable official and legal regulations at the application site must always be

complied with when operating the system.

Further information about the device components used in the Backup Assistance System

can be found in the accompanying operating instructions.

Note

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1.5 Abbreviations used

Backup Assistance System

SICK Engineering Tool = software for 2D LiDAR sensor configuration and diagnostics

1.6 Symbols used

Recommendations are designed to assist you in the decision-making process with respect

to the use of a certain function or technical measure.

Notes provide information about the features of a device, application tips, or other useful

information.

Instructions that must be carried out in the described order are referred to as step-by-step

instructions and are indicated by numbered lists. Carefully read and follow the

instructions for action.

Instructions for taking action are indicated by an arrow. Carefully read and follow the

instructions for action.

BAS

SOPAS

Recommendation

Note

1. / 2. ...

Step by step



Action

SAFETY 2

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OPERATING INSTRUCTIONS | BAS

2 Safety

This chapter concerns your own safety and the safety of the BAS users.

▸

Please read through this chapter carefully before using the BAS or the vehicle

monitored by the BAS.

2.1 Qualified personnel

The BAS must be installed, commissioned, and maintained only by adequately qualified

personnel.

A qualified person

• has sufficient skills in the field of the respective equipment based on their technical

training and experience and

• has been instructed by the manufacturer in system operation and all applicable safety

guidelines and

• is familiar with all relevant country-specific occupational safety regulations, work safety

regulations, guidelines, and generally accepted technical rules and standards (e.g.,

DIN standards, VDE regulations, country-specific rules) to such an extent that he/she

is able to evaluate the safe condition of the power-operated equipment, and he/she

• has access to and has read the operating instructions.

2.2 Applications of the system

The BAS (Backup Assistance System) is a driver assistance system that monitors the

blind spot behind a manned forklift truck and other industrial vehicles with a 2D-LiDAR

sensor and thus minimizes the risk of collisions.

When reversing, the system warns the driver of the vehicle via acoustic signals when the

vehicle is too close to a stationary or moving object. A signal column for visual warning is

also optionally available.

The BAS was designed specifically for manned forklift trucks and can be connected to the

reverse drive function of the vehicle to eliminate false alarms.

The driver assistance system is designed for installation in manned forklift trucks or other

industrial vehicles. Different versions are available for vehicles with different voltages and

electrical systems.

The BAS detects only objects which are visible in the measurement plane for the 2D

LiDAR sensor. Therefore, the 2D LiDAR sensor must have a free view of the area to be

monitored.

Use of the retrofittable stand-alone solution makes it possible to reduce accidents and

damage, and the driver can concentrate on the current tasks being performed.

The BAS is a driver assistance system. This means that at all times the driver bears the

full responsibility for safe operation, in particular for people who are in the hazardous

zones of the vehicle.

Note

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2.3 Intended use

The BAS driver assistance system may only be used as described in section 2.2

Applications of the system. It may only be used by qualified personnel in the

environment in which it was mounted and initially commissioned by qualified safety

personnel in accordance with these operating instructions.

The BAS driver assistance system is not a safety device for human protection and

therefore does not fulfill any safety standards. For safety applications, please contact

SICK AG.

In the event of any other usage or of modification to the system – including in the context

of mounting and installation – any claims against SICK AG under the warranty will be

rendered void.

Note

SAFETY 2

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OPERATING INSTRUCTIONS | BAS

2.4 General safety notes and protective measures

2.4.1 Safety notes and symbols

The following safety and hazard notes concern your own safety, the safety of third parties,

and the safety of the devices. You should therefore observe them at all times.

HAZARD

Denotes an immediate hazard that may result in severe to fatal injuries.

The symbol shown on the left-hand side of the note refers to the type of hazard in

question (the example here shows a risk of injury resulting from electrical current).

WARNING

Denotes a potentially dangerous situation that may result in severe to fatal injuries.

The symbol shown on the left-hand side of the note refers to the type of hazard in

question (the example here shows a risk of damage to the eye by laser beams).

WARNING

Denotes a potentially dangerous situation that may result in minor personal injury or

possible material damage.

NOTE

Denotes a potential risk of damage or functional impairment of the device or the devices

connected to it.

This symbol refers to supplementary technical documentation.

2 SAFETY

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2.4.2 General safety notes

BAS has been designed in a way that allows for safe operation. However, a certain level

of risk will always remain.

Awareness of potential hazardous points in the system will help you to work in a safer

manner and thus prevent accidents.

To avoid risks, please also observe the special warnings in each of the individual

chapters.

WARNING

Safety notes

Observe the following to ensure the safe use of the system as intended.

• The notes in these operating instructions (e.g. regarding use, mounting, installation,

or integration into the vehicle) must be observed.

• All official and statutory regulations governing the operation of the system must be

complied with.

• The national and international legal specifications apply to the installation and use of

the system, to its commissioning, and to recurring technical inspections, in particular:

– Work safety regulations and safety rules

– Any other relevant safety provisions

• The manufacturer and user of the system are responsible for coordinating and

complying with all applicable safety specifications and regulations in cooperation with

the relevant authorities.

• The checks must be carried out by qualified safety personnel or specially qualified and

authorized personnel and must be recorded and documented to ensure that the tests

can be reconstructed and retraced at any time.

• These operating instructions must be made available to the operator of the system.

The system operator must be instructed by qualified safety personnel and must read

the operating instructions.

• The driver must follow relevant instructions and conduct inspections in order to ensure

that the screen of the 2D LiDAR sensor is clean and undamaged.

• The 2D LiDAR sensors must have a free field of vision. The sensor head must not be

covered by other objects, for example.

• SICK AG recommends carrying out a system check before commissioning the system.

WARNING

Risk resulting from improper operation

Improper installation and commissioning, damaged components, and unsuitable ambient

conditions such as excessively cold or warm temperatures and high levels of dust, fog or

spray, may cause faults and faulty alarms and may result in a complete system crash.

SAFETY 2

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OPERATING INSTRUCTIONS | BAS

WARNING

System does not comply with safety standards

The BAS is not suitable for the protection of persons according to the applicable safety

standards for machines. The system therefore does not comply with safety standards.

The BAS is a driver assistance system. It provides the driver of manned forklift trucks or

other industrial vehicles with acoustic and, where applicable, visual warnings about

objects outside the field of view when backing up. The steering system of the vehicle is

not overridden.

At all times the driver bears the full responsibility for safe operation, in particular for

people who are in the hazardous zones of the vehicle.

2.4.3 Potential hazardous points

Laser radiation

WARNING

Damage to the eye by laser beam

The 2D LiDAR sensor TiM3xx used in the BAS conforms to laser class 1 (eye-safe) in

accordance with ((EN 60825-1:2014), eye-safe).

The laser operates at a wavelength of γ = 850 nm (invisible infrared light). The laser beam

is not visible to the human eye.

The radiation emitted in normal operation is harmless to human skin and eyes.

Improper use (e.g., opening the housing and stopping the motor) can result in dangerous

exposure to radiation.

▸

Never open the 2D LiDAR sensor housing. Opening the housing does not interrupt the

operation of the laser beam.

▸

Pay attention to the laser safety regulations as per EN 60825-1:2014 (latest version).

• No maintenance is required to ensure compliance with laser class 1.

• The laser output aperture is the window of the 2D LiDAR sensor.

WARNING

Important

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Electrical current

HAZARD

Risk of injury and damage caused by electrical current

Improper handling of live devices may lead to severe personal injury or death by electric

shock.

▸

Electrical installation and maintenance work must always be carried out by personnel

authorized to do so.

▸

The power supply must be disconnected when attaching and detaching electrical

connections.

▸

Select and implement wire cross-sections and their correct fuse protection in accordance

with the applicable standards.

▸

Do not touch any live parts.

▸

In the event of danger, immediately disconnect the object detection system from the

power supply.

▸

Always use original fuses with the specified current rating.

▸

Report any damaged cables to the maintenance team without delay.

▸

Observe the up-to-date safety regulations when working on electrical systems.

HAZARD

Damaging potential equalization currents due to different ground potentials

BAS has been designed and tested for electrical safety in accordance with EN 60 950-1

(2006-04) and EN 60 950-1/A11 (2009-03).

It is connected to the peripheral devices via shielded cables. The cable shield (e.g. supply

cable) is connected to the metal housing of the TiM3xx. The device can either be

grounded through the cable shield or through both fastening clips.

If the peripheral devices have metal housings and if the cable shields also are connected

to these housings, it is assumed that all devices contained in the system have the same

ground potential.

This is achieved, for example, by complying with the following conditions:

• Mounting the devices on conductive metal surfaces.

• Properly grounding the devices and metal surfaces in the system.

• Low-impedance and current-carrying equipotential bonding between areas with different

ground potentials, if necessary.

If these conditions are not met, e.g., on devices in a widely distributed system over several

buildings, potential equalization currents may, due to different ground potentials, flow

along the cable shields between the devices and create hazards.

Potential equalization currents between the TiM3xx and other grounded devices in the

system can have the following effects:

• Dangerous voltages on the metal housing, e.g. of the TiM3xx

• Incorrect function or irreparable damage to the devices

• Damage/irreparable damage of the cable shield due to heating and cable fires

▸

For smaller installations with only slight potential differences, the insulated installation

of the TiM3xx and of peripheral devices may be a sufficient solution.

SAFETY 2

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OPERATING INSTRUCTIONS | BAS

Commissioning/operation/maintenance

WARNING

Risk resulting from incorrect commissioning and configuration

Do not commission without testing by qualified personnel!

Before carrying out initial commissioning of the system, you must have it checked and

approved by qualified safety personnel.

NOTE

Claims under the warranty rendered void

The housings of the devices must not be opened. The devices are sealed.

If the device is opened, any warranty claims against SICK AG will be void.

WARNING

Risk resulting from faults

Cease operation if the cause of the malfunction has not been clearly identified.

▸

Immediately stop system operation if you cannot clearly identify the fault and if you

cannot safely remedy the problem.

2.5 Protecting the environment

The components of the object detection system have been designed to minimize their

impact on the environment. They consume little power and natural resources.

Always act in an environmentally responsible manner at work. For this reason, please note

the following information regarding disposal.

Disposal after final decommissioning

▸

Always dispose of unusable or irreparable devices in accordance with the applicable

waste disposal regulations specific to your country.

▸

Remove the plastic parts and recycle the aluminum housing of the 2D LiDAR sensor.

▸

Dispose of all electronic assemblies as hazardous waste. The electronic assemblies are

easy to dismantle.

SICK AG does not take back devices that are unusable or irreparable.

Note

3 PRODUCT DESCRIPTION

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OPERATING INSTRUCTIONS | BAS

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3 Product description

This chapter provides information on the special properties of the BAS driver assistance

system. It describes the construction and operating principle of the system, in particular

the interaction of the different components.

Always read this chapter before you mount, install, and commission the system.

3.1 Scope of delivery

The BAS driver assistance system is available in two configurations. A TiM320 or TiM351

2D LiDAR sensor is used depending on the voltage rating and electrical system of the

vehicle and the ambient conditions at the place of operation.

NOTE

Thorough check for completeness

▸

It is recommended that you carefully check for and report transport damage of any kind

as soon as possible after receiving the system.

▸

Also verify that the delivery includes all components listed on the delivery note.

Note

PRODUCT DESCRIPTION 3

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OPERATING INSTRUCTIONS | BAS

Scope of delivery BAS320-xxxxx

The BAS320-xxxxx driver assistance system is designed for indoor use.

Fig. 1: BAS320-xxxxx scope of delivery

Qty.

Part No.

Description

1073075

BAS320-11000

1062219

TiM320 2D LiDAR sensor

2098697

Control unit with power supply unit (12 V), 3 relays, terminal block

(voltage signal for reversing: 12 V) and pre-assembled connecting cables

1073865

BAS320-31000

1062219

TiM320 2D LiDAR sensor

2098698

Control unit with power supply unit (24 V), 3 relays, terminal block

(voltage signal for reversing: 12 V) and pre-assembled connecting cables

1073076

BAS320-32000

1062219

TiM320 2D LiDAR sensor

2098699

Control unit with power supply unit (24 V), 3 relays, terminal block

(voltage signal for reversing: 24 V) and pre-assembled connecting cables

1073052

BAS320-34000

1062219

TiM320 2D LiDAR sensor

2098700

Control unit with power supply unit (48 V), 3 relays, terminal block

(voltage signal for reversing: 48 V) and pre-assembled connecting cables

1073077

BAS320-36000

1062219

TiM320 2D LiDAR sensor

2098701

Control unit with power supply unit (60 V), 3 relays, terminal block

(voltage signal for reversing: 60 V) and pre-assembled connecting cables

1073078

BAS320-37000

1062219

TiM320 2D LiDAR sensor

2098702

Control unit with power supply unit (72 V), 3 relays, terminal block

(voltage signal for reversing: 72 V) and pre-assembled connecting cables

AND

2061776

Mounting kit with impact protection and alignment aid

6052882

Tone buzzer

Qty.

Part No.

Description

6036219

Signal column for visual signaling

Accessories

3 PRODUCT DESCRIPTION

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Scope of delivery BAS351-xxxxx

The BAS351-xxxxx driver assistance system is designed for use indoors and in protected

outdoor areas.

Fig. 2: BAS351-xxxxx scope of delivery

Qty.

Part No.

Description

1073133

BAS351-11000

1067299

TiM351 2D LiDAR sensor

2098697

Control unit with power supply unit (12 V), 3 relays, terminal block

(voltage signal for reversing: 12 V) and pre-assembled connecting cables

1073865

BAS351-31000

1067299

TiM351 2D LiDAR sensor

2098698

Control unit with power supply unit (24 V), 3 relays, terminal block

(voltage signal for reversing: 12 V) and pre-assembled connecting cables

1073134

BAS351-32000

1067299

TiM351 2D LiDAR sensor

2098699

Control unit with power supply unit (24 V), 3 relays, terminal block

(voltage signal for reversing: 24 V) and pre-assembled connecting cables

1073135

BAS351-34000

1067299

TiM351 2D LiDAR sensor

2098700

Control unit with power supply unit (48 V), 3 relays, terminal block

(voltage signal for reversing: 48 V) and pre-assembled connecting cables

1073136

BAS351-36000

1067299

TiM351 2D LiDAR sensor

2098701

Control unit with power supply unit (60 V), 3 relays, terminal block

(voltage signal for reversing: 60 V) and pre-assembled connecting cables

1073137

BAS351-37000

1067299

TiM351 2D LiDAR sensor

2098702

Control unit with power supply unit (72 V), 3 relays, terminal block

(voltage signal for reversing: 72 V) and pre-assembled connecting cables

AND

2068398

Mounting kit with weatherproof housing

6052882

Tone buzzer

Qty.

Part No.

Description

6036219

Signal column for visual signaling

Accessories

PRODUCT DESCRIPTION 3

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OPERATING INSTRUCTIONS | BAS

3.2 System components

TiM3xx 2D LiDAR sensor

A TiM3xx 2D LiDAR sensor installed on the roof or rear of the industrial vehicle

continuously monitors the ground behind the vehicle in a radius of up to 8 m from the

sensor while the vehicle is backing up. The monitored area depends on the sensor type

used.

The 2D LiDAR sensors of the TiM series are based on the laser scanner principle and use

time-of-flight measurement. 2D LiDAR sensors scan their surroundings by emitting a laser

pulse which they then direct in the required direction using a moving mirror.

The laser beam is emitted through the front screen. The scan plane position is indicated

by a housing marking next to the front screen.

Fig. 3: Scan plane of the TiM3xx

When the laser pulse hits an object in the scan range, it is reflected and sent back to the

receiver of the 2D LiDAR sensor. By calculating the time difference between sending and

receiving and also the signal strength, the position of the object is detected with

millimeter accuracy.

Fig. 4: Position determination with TiM3xx

2D LiDAR sensors have one specific task in “detection” applications, namely to detect

whether or not an object is located in a defined scanning field. Switching outputs deliver

the result “object in field” or “object not in field” within fractions of a second.

Detection scanners are therefore often used to prevent vehicle collisions. These non-

contact laser scanners scan the environment and keep track of important objects at all

times. If there is a risk of a collision, the scanners can be relied upon to output a warning

via the switching outputs prior to an accident occurring.

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Control unit with relays and power supply unit

The control unit comprises a power supply unit, three relays and a terminal block. The

control unit is installed in the control cabinet of the industrial vehicle.

Fig. 5: Control unit with relays and power supply unit

• The power supply unit (1) is connected to the voltage supply of the industrial vehicle.

The power supply unit acts as the central voltage supply for all connected system

components of the BAS driver assistance system.

Different power supply units are available for vehicles with different voltages and

electrical systems.

• The driver assistance system is controlled via three relays (2). Two relays process the

incoming signals of the 2D LiDAR sensor and forward the processing result by means

of an I/O signal to the acoustic signal generator (and optionally to the signal column).

The third relay processes the vehicle signal for reversing. Different versions are

available for vehicles with different voltages and electrical systems.

• All system components of the BAS driver assistance system are connected with each

other via the terminal block (3) upon delivery.

Tone buzzer

A tone buzzer warns the driver about obstacles.

Fig. 6: Tone buzzer

Signal column (optional)

A signal lamp is additionally available as an accessory to provide a visual warning.

Fig. 7: Signal column (optional)

PRODUCT DESCRIPTION 3

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OPERATING INSTRUCTIONS | BAS

3.3 Operating principle

BAS is a driver assistance system for manned forklift trucks and other industrial vehicles.

Using a 2D LiDAR sensor, the system warns the driver when the vehicle is too close

to a stationary or moving object.

Monitoring fields

As the factory setting, the monitoring field scanned by the 2D LiDAR sensor is divided into

the two monitoring fields Warning and Stop. If an object is detected in one of the fields,

an acoustic warning is issued for the driver to reduce the speed or stop the vehicle

immediately.

The size and geometry of the monitoring fields can vary and must be configured

correspondingly during commissioning.

Fig. 8: Predefined monitoring fields in the BAS driver assistance system

Switching signals for object detection

Each monitoring field is assigned to a switching output of the 2D LiDAR sensor. In the

event of a field violation, the switching signal is forwarded to the responsible relay. The

relay processes the incoming signals of the 2D LiDAR sensor and forwards corresponding

results such as “Warning field violation” or “Stopping field violation” to the acoustic signal

generator (and to the signal column, where applicable).

Fig. 9: Switching signals of object detection

In order to avoid false alarms, the driver assistance system can be configured so that the

signals from the 2D LiDAR sensor are taken into account only when the vehicle is reversing.

The reversing signal is processed by one relay.

Note

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Acoustic (and visual) signaling of field violation

The BAS driver assistance system warns the driver acoustically and (in conjunction with

the optionally available signal column) also visually.

A prerequisite for visual signaling is that the reversing signal is active. The signal column

lights up green in this case.

Fig.. 10: Acoustic (and visual) signaling of field violation

• Violation of the warning field is indicated acoustically by means of an intermittent

warning tone. The signal column lights up yellow (when the reversing signal is active).

• Violation of the stop field is indicated acoustically by means of a continuous warning

tone. The signal column lights up red and yellow (when the reversing signal is active).

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SICK BAS Driver assistance systems Operating instructions

SICK BAS Driver assistance systems Operating instructions

SICK BAS Driver assistance systems Operating instructions

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