OPERATING INSTRUCTIONS
BAS
Driver assistance systems
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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
© SICK AG. All rights reserved
CONTENTS
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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
Note
1 ABOUT THESE OPERATING INSTRUCTIONS
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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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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
Note
2 SAFETY
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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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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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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
2 SAFETY
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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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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
1
1062219
TiM320 2D LiDAR sensor
1
2098697
Control unit with power supply unit (12 V), 3 relays, terminal block
(voltage signal for reversing: 12 V) and pre-assembled connecting cables
OR
1073865
BAS320-31000
1
1062219
TiM320 2D LiDAR sensor
1
2098698
Control unit with power supply unit (24 V), 3 relays, terminal block
(voltage signal for reversing: 12 V) and pre-assembled connecting cables
OR
1073076
BAS320-32000
1
1062219
TiM320 2D LiDAR sensor
1
2098699
Control unit with power supply unit (24 V), 3 relays, terminal block
(voltage signal for reversing: 24 V) and pre-assembled connecting cables
OR
1073052
BAS320-34000
1
1062219
TiM320 2D LiDAR sensor
1
2098700
Control unit with power supply unit (48 V), 3 relays, terminal block
(voltage signal for reversing: 48 V) and pre-assembled connecting cables
OR
1073077
BAS320-36000
1
1062219
TiM320 2D LiDAR sensor
1
2098701
Control unit with power supply unit (60 V), 3 relays, terminal block
(voltage signal for reversing: 60 V) and pre-assembled connecting cables
OR
1073078
BAS320-37000
1
1062219
TiM320 2D LiDAR sensor
1
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
1
2061776
Mounting kit with impact protection and alignment aid
1
6052882
Tone buzzer
Qty.
Part No.
Description
1
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
1
1067299
TiM351 2D LiDAR sensor
1
2098697
Control unit with power supply unit (12 V), 3 relays, terminal block
(voltage signal for reversing: 12 V) and pre-assembled connecting cables
OR
1073865
BAS351-31000
1
1067299
TiM351 2D LiDAR sensor
1
2098698
Control unit with power supply unit (24 V), 3 relays, terminal block
(voltage signal for reversing: 12 V) and pre-assembled connecting cables
OR
1073134
BAS351-32000
1
1067299
TiM351 2D LiDAR sensor
1
2098699
Control unit with power supply unit (24 V), 3 relays, terminal block
(voltage signal for reversing: 24 V) and pre-assembled connecting cables
OR
1073135
BAS351-34000
1
1067299
TiM351 2D LiDAR sensor
1
2098700
Control unit with power supply unit (48 V), 3 relays, terminal block
(voltage signal for reversing: 48 V) and pre-assembled connecting cables
OR
1073136
BAS351-36000
1
1067299
TiM351 2D LiDAR sensor
1
2098701
Control unit with power supply unit (60 V), 3 relays, terminal block
(voltage signal for reversing: 60 V) and pre-assembled connecting cables
OR
1073137
BAS351-37000
1
1067299
TiM351 2D LiDAR sensor
1
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
1
2068398
Mounting kit with weatherproof housing
1
6052882
Tone buzzer
Qty.
Part No.
Description
1
6036219
Signal column for visual signaling
Accessories
PRODUCT DESCRIPTION 3
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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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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
3 PRODUCT DESCRIPTION
20
8022161/2017-11-09|SICK
OPERATING INSTRUCTIONS | BAS
Subject to change without notice
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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