Leuze electronic RSL 420 User manual

We reserve the right to make technical changes
EN • 2020-08-18 • 50128239
Original operating instructions
RSL 420
RSL 425
Safety Laser Scanner

© 2020
Leuze electronic GmbH + Co. KG
In der Braike 1
73277 Owen / Germany
Phone: [phone]
Fax: [phone]
www.leuze.com
[email protected]
Leuze electronic GmbH + Co. KG RSL 420 2

Table of contents
Leuze electronic GmbH + Co. KG RSL 420 3
Table of contents
1 About this document ............................................................................................7
1.1 Other applicable documents ................................................................................................... 7
1.2 Downloading configuration software from the Internet ........................................................... 7
1.3 Used symbols and signal words ............................................................................................. 7
1.4 Checklists................................................................................................................................ 8
2 Safety .....................................................................................................................9
2.1 Intended use ........................................................................................................................... 9
2.1.1 Vapors, smoke, dust, particles ..........................................................................................10
2.1.2 Stray light ..........................................................................................................................10
2.1.3 Obstructions in the protective field ....................................................................................10
2.2 Foreseeable misuse ............................................................................................................. 11
2.3 Competent persons .............................................................................................................. 11
2.4 Disclaimer ............................................................................................................................. 12
2.5 Laser safety notices – Laser class1 for wavelength range outside 400-700 nm ............... 12
2.6 Responsibility for safety........................................................................................................12
3 Device description ..............................................................................................13
3.1 Device overview....................................................................................................................14
3.1.1 Protective function of RSL400 safety sensors..................................................................15
3.1.2 Parameters for protective function ....................................................................................15
3.1.3 Device and monitoring functions .......................................................................................15
3.2 USB connection .................................................................................................................... 15
3.3 Connection unit.....................................................................................................................16
3.4 Display elements .................................................................................................................. 17
3.4.1 LED indicator.....................................................................................................................17
3.4.2 Alphanumerical display .....................................................................................................18
3.4.3 Field-of-view display..........................................................................................................19
3.5 Mounting system (optional)................................................................................................... 19
3.6 Loop guard (optional)............................................................................................................ 19
4 Configuration and diagnostic software SensorStudio...................................20
4.1 System requirements............................................................................................................20
4.2 Installing software ................................................................................................................. 20
4.3 User interface........................................................................................................................ 22
4.4 FDT frame menu................................................................................................................... 23
4.4.1 Project wizard....................................................................................................................23
4.4.2 DTM change......................................................................................................................24
4.4.3 User management.............................................................................................................24
4.4.4 Exiting SensorStudio ........................................................................................................24
4.5 Using configuration projects ................................................................................................. 25
4.5.1 Selecting access level .......................................................................................................27
4.5.2 IDENTIFICATION..............................................................................................................28
4.5.3 PROCESS.........................................................................................................................28
4.5.4 CONFIGURATION ............................................................................................................28
4.5.5 DIAGNOSIS ......................................................................................................................28
4.5.6 SETTINGS ........................................................................................................................29

Table of contents
Leuze electronic GmbH + Co. KG RSL 420 4
5 Functions.............................................................................................................31
5.1 Authorization concept of safety sensor.................................................................................31
5.2 Function modes of safety sensor..........................................................................................32
5.2.1 One protective function .....................................................................................................33
5.2.2 One protective function – four field mode..........................................................................33
5.3 Selectable resolution for hand, leg and body detection ........................................................ 34
5.4 Speed-dependent protective function for vehicles................................................................34
5.5 Response time......................................................................................................................34
5.6 Configurable start-up behavior ............................................................................................. 34
5.6.1 Automatic start/restart .......................................................................................................34
5.6.2 Start interlock/automatic restart.........................................................................................35
5.6.3 Start/restart interlock (RES) ..............................................................................................35
5.7 Field pair changeover ........................................................................................................... 36
5.7.1 Fixed selection of one field pair.........................................................................................37
5.7.2 Changeover of five field pairs in changeover mode Overlapped monitoring..................... 37
5.7.3 Changeover of ten field pairs in changeover mode Fixed changeover moment ...............38
5.8 Monitoring of field pair changeover....................................................................................... 39
5.9 Reference contour monitoring .............................................................................................. 39
5.10 Field pair monitoring ............................................................................................................. 40
5.11 EDM contactor monitoring .................................................................................................... 40
5.12 E-Stop linkage ...................................................................................................................... 40
5.12.1 Contact-based safety circuit ..............................................................................................40
5.12.2 Linkage of electronic safety-related switching outputs ......................................................41
5.13 Signaling functions................................................................................................................ 41
6 Applications ........................................................................................................42
6.1 Stationary danger zone guarding.......................................................................................... 42
6.2 Stationary point of operation guarding.................................................................................. 42
6.3 Stationary access guarding .................................................................................................. 43
6.4 Mobile danger zone guarding ............................................................................................... 44
6.5 Danger zone safeguarding on side-tracking skates.............................................................. 46
6.6 Vehicle navigation................................................................................................................. 47
6.6.1 Signal strength and reflector detection.............................................................................. 47
7 Mounting..............................................................................................................49
7.1 Basic infos............................................................................................................................. 49
7.1.1 Calculation of safety distanceS ........................................................................................49
7.1.2 Suitable mounting locations ..............................................................................................50
7.1.3 Mounting the safety sensor ...............................................................................................50
7.1.4 Mounting examples ...........................................................................................................53
7.1.5 Information on protective field dimensioning .....................................................................54
7.2 Stationary danger zone guarding.......................................................................................... 57
7.3 Stationary point of operation guarding.................................................................................. 60
7.4 Stationary access guarding .................................................................................................. 61
7.5 Mobile danger zone guarding on AGVs................................................................................ 62
7.5.1 Minimum distanceD..........................................................................................................63
7.5.2 Protective field dimensions................................................................................................64
7.6 Mobile side guarding on AGVs ............................................................................................. 65
7.7 Mounting accessories ........................................................................................................... 65
7.7.1 Mounting system ...............................................................................................................65
7.7.2 Loop guard ........................................................................................................................66

Table of contents
Leuze electronic GmbH + Co. KG RSL 420 5
8 Electrical connection..........................................................................................67
8.1 Electrical supply.................................................................................................................... 68
8.2 Interfaces .............................................................................................................................. 68
8.2.1 Connection cable, control..................................................................................................69
8.2.2 Connection cable with M30 connector ..............................................................................70
8.2.3 Pin assignment of M12 Ethernet interface (communication) ( D-coded)........................... 71
8.3 Connection unit CU416......................................................................................................... 71
8.4 Cable lengths according to the operating voltage................................................................. 73
8.5 Circuit diagram example ....................................................................................................... 74
9 Configuring the safety sensor ...........................................................................75
9.1 Defining safety configuration ................................................................................................ 75
9.2 Connecting safety sensor to PC ........................................................................................... 77
9.2.1 Connection via Ethernet cable ..........................................................................................77
9.2.2 Connection via Bluetooth ..................................................................................................77
9.2.3 Connection via USB ..........................................................................................................77
9.2.4 Communication between safety sensor and PC ...............................................................78
9.3 Determine the configuration project...................................................................................... 78
9.4 Configuring protective function ............................................................................................. 80
9.4.1 Creating simple safety configuration .................................................................................80
9.4.2 Entering administration parameters ..................................................................................80
9.4.3 Activating protective function and contactor monitoring ....................................................80
9.4.4 Creating and configuring protective/warning field pairs.....................................................81
9.4.5 Configuring field pair monitoring........................................................................................83
9.5 Defining permissible field pair changeovers ......................................................................... 83
9.6 Configuring signal outputs .................................................................................................... 84
9.7 Saving configuration ............................................................................................................. 84
9.8 Transferring configuration project to safety sensor............................................................... 84
9.9 Selecting access level .......................................................................................................... 86
9.10 Reset safety configuration .................................................................................................... 86
10 Starting up the device ........................................................................................87
10.1 Switching on ......................................................................................................................... 87
10.2 Aligning the safety sensor..................................................................................................... 87
10.3 Unlocking start/restart interlock ............................................................................................ 87
10.4 Shutting down ....................................................................................................................... 88
10.5 Restarting.............................................................................................................................. 88
10.6 Starting up replacement scanner unit ................................................................................... 88
11 Testing .................................................................................................................90
11.1 Before the initial start-up and following modifications........................................................... 90
11.1.1 Checklist for integrator – to be performed prior to the initial start-up and following
modifications .....................................................................................................................90
11.2 To be performed periodically by competent persons............................................................ 92
11.3 Periodically by the operator .................................................................................................. 92
11.3.1 Checklist – periodically by the operator.............................................................................92
12 Diagnosis and troubleshooting .........................................................................94
12.1 What to do in case of failure? ............................................................................................... 94
12.2 Diagnostics displays ............................................................................................................. 94

Table of contents
Leuze electronic GmbH + Co. KG RSL 420 6
13 Care, maintenance and disposal .......................................................................98
13.1 Changing scanner unit.......................................................................................................... 98
13.2 Cleaning the optics cover ..................................................................................................... 99
13.3 Servicing ............................................................................................................................. 100
13.4 Disposing ............................................................................................................................ 100
14 Service and support .........................................................................................101
15 Technical data ...................................................................................................102
15.1 General specifications ........................................................................................................ 102
15.2 Dimensions ......................................................................................................................... 107
15.3 Dimensioned drawings: Accessories .................................................................................. 109
15.4 Representation of safety sensor status .............................................................................. 117
16 Standards and legal regulations .....................................................................120
17 Order guide and accessories...........................................................................121
18 EC Declaration of Conformity..........................................................................126

About this document
Leuze electronic GmbH + Co. KG RSL 420 7
1 About this document
1.1 Other applicable documents
The information on the safety sensor is distributed over several documents to make working with the docu-
ments easier. You will find the documents and software for the safety sensor in the following table:
Purpose and target group of the document Document/software ti-
tle
Source
Software for users of the machine a) for safety sen-
sor diagnostics if a fault occurs and for machine de-
sign engineers for configuring the safety sensor
SensorStudio
DTM RSL400
Supplied with the safety
sensor on data carrier
Notes for the machine design engineer a) "Safe implementation
and operation"
(this document)
PDF, supplied with the
safety sensor on data
carrier
Notes for the machine design engineer a) for config-
uring the safety sensor (software instructions)
Online help for software Supplied with the safety
sensor on data carrier
Notices regarding mounting, alignment and connec-
tion of the safety sensor
"Quick Start Guide
RSL400"
Print document, supplied
with the safety sensor
a) Machine identifies the product that the safety sensor is installed in.
1.2 Downloading configuration software from the Internet
ÄCall up the Leuze home page: www.leuze.com.
ÄEnter the type designation or part number of the device as the search term.
ÄThe configuration software can be found on the product page for the device under the Downloads tab.
1.3 Used symbols and signal words
Tab.1.1: Warning symbols and signal words
Symbol indicating dangers to persons
Symbol indicating dangers from harmful laser radiation
Symbol indicating possible property damage
NOTE Signal word for property damage
Indicates dangers that may result in property damage if the measures for dan-
ger avoidance are not followed.
CAUTION Signal word for minor injuries
Indicates dangers that may result in minor injury if the measures for danger
avoidance are not followed.
WARNING Signal word for serious injury
Indicates dangers that may result in severe or fatal injury if the measures for
danger avoidance are not followed.
DANGER Signal word for life-threatening danger
Indicates dangers with which serious or fatal injury is imminent if the measures
for danger avoidance are not followed.

About this document
Leuze electronic GmbH + Co. KG RSL 420 8
Tab.1.2: Other symbols
Symbol for tips
Text passages with this symbol provide you with further information.
Symbol for action steps
Text passages with this symbol instruct you to perform actions.
Symbol for action results
Text passages with this symbol describe the result of the preceding action.
Tab.1.3: Terms and abbreviations
CS Switching signal from a control
(Controller Signal)
DTM Software device manager of the safety sensor
(Device Type Manager)
EDM Contactor monitoring
(External Device Monitoring)
FDT Software frame for management of device managers (DTM)
(Field Device Tool)
Field pair A protective field with an associated warning field
AGV Automated Guided Vehicle
LED LED, display element in the safety sensor
(Light Emitting Diode)
OSSD Safety-related switching output
(Output Signal Switching Device)
PFHdProbability of a dangerous failure per hour
(Probability of dangerous Failure per Hour)
PL Performance Level
Quad Two field pairs (four fields) that are monitored simultaneously in four field mode
TSS Transverse Side-tracking Skate
RES Start/restart interlock
(Start/REStart interlock)
SIL Safety Integrity Level
State ON: device intact, OSSDs switched on
OFF: device intact, OSSDs switched off
Locking: device, connection or actuation/operation faulty, OSSDs switched off
(lock-out)
1.4 Checklists
The checklists serve as a reference for the machine manufacturer or supplier (see chapter 11 "Testing").
They replace neither testing of the complete machine or system prior to the initial start-up nor their periodic
testing by a competent person. The checklists contain minimum testing requirements. Depending on the
application, other tests may be necessary.

Safety
Leuze electronic GmbH + Co. KG RSL 420 9
2 Safety
Before using the safety sensor, a risk assessment must be performed according to valid standards (e.g.
ENISO12100, ENISO13849-1, IEC61508, ENIEC62061). The result of the risk assessment determines
the required safety level of the safety sensor (see chapter 15.1 "Safety-relevant technical data"). For
mounting, operating and testing, this document as well as all applicable national and international stan-
dards, regulations, rules and directives must be observed. Relevant and supplied documents must be ob-
served, printed out and handed to affected persons.
ÄBefore working with the safety sensor, completely read and observe the documents applicable to your
task.
In particular, the current version of the following national and international legal regulations apply for com-
missioning, technical tests and handling of safety sensors:
• Machinery Directive
• Low Voltage Directive
• Electromagnetic Compatibility Directive
• Use of Work Equipment Directive
• Directive on the restriction of the use of certain hazardous substances in electrical and electronic equip-
ment
• OSHA
• Safety regulations
• Accident-prevention regulations and safety rules
• Ordinance on Industrial Safety and Health and employment protection act
• Product Safety Law (ProdSG)
NOTICE
For safety-related information you may also contact local authorities (e.g., industrial inspec-
torate, employer's liability insurance association, labor inspectorate, occupational safety and
health authority).
2.1 Intended use
The safety sensor protects persons or body parts at points of operation, danger zones or access points of
machines and systems.
WARNING
A running machine may result in serious injury!
ÄMake certain that the safety sensor is correctly connected and that the protective function of
the protective device is ensured.
ÄMake certain that, during all conversions, maintenance work and inspections, the system is
securely shut down and protected against being restarted.
• The safety sensor may only be used after it has been selected in accordance with the respectively ap-
plicable instructions and relevant standards, rules and regulations regarding labor protection and safety
at work, and after it has been installed on the machine, connected, commissioned, and checked by a
competent person (see chapter 2.3 "Competent persons").
• When selecting the safety sensor it must be ensured that its safety-related capability meets or exceeds
the required Performance Level PLr ascertained in the risk assessment (see chapter 15.1 "Safety-rele-
vant technical data").
• The safety sensor may only be used in North America in applications that satisfy the requirements
specified by NFPA79.
• With the “access guarding” function, the safety sensor detects persons only when they enter the danger
zone but cannot tell whether there are any persons inside the danger zone. For this reason, a start/
restart interlock in the safety chain is essential in this case.
• The construction of the safety sensor must not be altered. When manipulating the safety sensor, the
protective function is no longer guaranteed. Manipulating the safety sensor also voids all warranty
claims against the manufacturer of the safety sensor.

Safety
Leuze electronic GmbH + Co. KG RSL 420 10
• The safety sensor must be inspected regularly by a competent person to ensure proper integration and
mounting (see chapter 15.1 "Safety-relevant technical data").
• The safety sensor must be exchanged after a maximum of 20 years. Repairs or the exchange of wear
parts do not extend the mission time.
CAUTION
Observe intended use!
The protection of personnel and the device cannot be guaranteed if the device is operated in a
manner not complying with its intended use.
ÄOnly operate the device in accordance with its intended use.
ÄLeuzeelectronicGmbH+Co.KG is not liable for damages caused by improper use.
ÄRead these operating instructions before commissioning the device. Knowledge of the oper-
ating instructions is an element of proper use.
NOTICE
Comply with conditions and regulations!
ÄObserve the locally applicable legal regulations and the rules of the employer's liability insur-
ance association.
2.1.1 Vapors, smoke, dust, particles
Vapors, smoke, dust and all particles visible in the air can cause the machine to switch off unintentionally.
This can mislead the user into bypassing the safety devices.
ÄDo not use the safety sensor in environments in which heavy vapors, smoke, dust or other visible parti-
cles occur at the beam level.
2.1.2 Stray light
Light sources can impair the safety sensor's availability. Interfering light sources are:
• Infrared light
• Fluorescent light
• Strobe light
ÄEnsure that there are no interfering light sources at beam level.
ÄPrevent reflective surfaces at beam level.
ÄWhere applicable, take protective field addition distances into account.
ÄImplement all additional measures to ensure that any special application of any effected beam types
does not impair the safety sensor's operation.
2.1.3 Obstructions in the protective field
ÄDo not bring any additional window materials into the area monitored by the safety sensor.
NOTICE
No screen between optics cover and monitoring area!
ÄBetween the optics cover of the safety sensor and the monitored area, no further screen
may be mounted to protect the safety sensor.

Safety
Leuze electronic GmbH + Co. KG RSL 420 11
2.2 Foreseeable misuse
Any use other than that defined under "Intended use" or which goes beyond that use is considered im-
proper use.
In principle, the safety sensor is not suitable as a protective device for use in the following cases:
• Danger posed by ejected objects or the spraying of hot or hazardous liquids from within the danger
zone.
• Applications in explosive or easily flammable atmospheres.
• Use for outdoor applications or under extreme temperature fluctuations.
Humidity, condensation and other weather influences can impair the protective function.
• Use on vehicles with combustion engines.
Alternators and ignition systems can cause EMC interferences.
NOTICE
Do not modify or otherwise interfere with the safety sensor!
ÄDo not carry out modifications or otherwise interfere with the safety sensor. The safety sen-
sor must not be tampered with and must not be changed in any way.
ÄThe safety sensor must not be opened. There are no user-serviceable parts inside.
ÄThe construction of the safety sensor must not be altered. When manipulating the safety
sensor, the protective function is no longer guaranteed.
ÄManipulating the safety sensor voids all warranty claims against the manufacturer of the
safety sensor.
ÄRepairs must only be performed by Leuze electronic GmbH + Co. KG.
2.3 Competent persons
Connecting, mounting, commissioning and adjustment of the safety sensor must only be carried out by
competent persons.
Prerequisites for competent persons:
• They have a suitable technical education.
• They know the rules and regulations for labor protection, safety at work and safety technology and can
assess the safety of the machine.
• They know the operating instructions for the safety sensor and the machine.
• They have been instructed by the responsible person on the mounting and operation of the machine
and of the safety sensor.
• They perform a task related to the subject matter shortly thereafter and keep their knowledge up to date
through continuous further training.
Certified electricians
Electrical work must be carried out by a certified electrician.
Due to their technical training, knowledge and experience as well as their familiarity with relevant standards
and regulations, certified electricians are able to perform work on electrical systems and independently de-
tect possible dangers.
In Germany, certified electricians must fulfill the requirements of accident-prevention regulations DGUV
(German Social Accident Insurance) provision 3 (e.g. electrician foreman). In other countries, there are re-
spective regulations that must be observed.

Safety
Leuze electronic GmbH + Co. KG RSL 420 12
2.4 Disclaimer
LeuzeelectronicGmbH+Co.KG is not liable in the following cases:
• The safety sensor is not used as intended.
• Safety notices are not adhered to.
• Reasonably foreseeable misuse is not taken into account.
• Mounting and electrical connection are not properly performed.
• Proper function is not tested (see chapter 11 "Testing").
• Changes (e.g., constructional) are made to the safety sensor.
2.5 Laser safety notices – Laser class1 for wavelength range outside 400-700 nm
NOTICE
Additional measures for shielding the laser radiation are not necessary (safe for eyes).
ATTENTION
LASER RADIATION – CLASS 1 LASER PRODUCT
The device satisfies the requirements of IEC/EN 60825-1:2014 safety regulations for a product
of laser class1 and complies with 21 CFR 1040.10 except for conformance with IEC 60825-1
Ed. 3., as described in Laser Notice No. 56, dated May 8, 2019.
ÄObserve the applicable statutory and local laser protection regulations.
ÄThe device must not be tampered with and must not be changed in any way.
There are no user-serviceable parts inside the device.
Repairs must only be performed by Leuze electronic GmbH + Co. KG.
2.6 Responsibility for safety
Manufacturer and operator must ensure that the machine and implemented safety sensor function properly
and that all affected persons are adequately informed and trained.
The type and content of all imparted information must not lead to unsafe actions by users.
The manufacturer of the machine is responsible for:
• Safe machine construction and information on any residual risks
• Safe implementation of the safety sensor, verified by the initial test performed by a competent person
• Imparting all relevant information to the operating company
• Adhering to all regulations and directives for the safe commissioning of the machine
The operator of the machine is responsible for:
• Instructing the operator
• Maintaining the safe operation of the machine
• Adhering to all regulations and directives for labor protection and safety at work
• Regular testing by competent persons

Device description
Leuze electronic GmbH + Co. KG RSL 420 13
3 Device description
The safety sensors from the RSL400 series are optoelectronic, two-dimensional measuring safety laser
scanners. They satisfy the following standards:
RSL400
Type in accordance with IEC61496 3
Category in accordance with ISO13849 3
Safety Integrity Level (SIL) in accordance with IEC61508 2
SILCL in accordance with IEC62061 2
Performance Level (PL) in accordance with ISO13849-1 d
1
2
4
5
3
6
1 Scanner unit
2 Connection unit
3 Optics cover
4 Alphanumerical display (displayed)
5 LED indicators
6 Mini-B USB connection (behind protective cap)
Fig.3.1: Device overview of RSL400 safety laser scanners

Device description
Leuze electronic GmbH + Co. KG RSL 420 14
All safety sensors of the RSL420 and RSL425 series are equipped as follows:
• Laser scanner with the range class S, M, L or XL:
Operating range
class
Operating range [m]
S 3.00
M 4.5
L 6.25
XL 8.25
• 24-digit alphanumerical display
• Integrated electronic spirit level for aligning the safety sensor
• LED indicator
• USB interface
NOTICE
ÄUse the USB connection only temporarily for configuration or diagnosis of the safety sensor.
ÄFor permanent connection, connect the safety sensor to the Ethernet connection of the con-
nection unit.
• Connection unit:
• Configuration memory
• Ethernet connection for communication and configuration with the PC/laptop
• Electrical connection to the machine via connection cable
3.1 Device overview
The following table provides an overview of the possible uses, features and functions of the RSL400 safety
sensors.
Tab.3.1: Device overview
RSL410 RSL420
RSL425
RSL430 RSL440
RSL445
Stationary danger zone guarding x x x x
Mobile danger zone guarding x x x x
Access guarding x x x x
Point of operation guarding x x x x
Safety-related switching outputs
Protective functionA
Protective functionB
1 OSSD pair
x
-
1 OSSD pair
x
-
2 OSSD pairs
x
x
2 OSSD pairs
x
x
Signal outputs Up to 3 Up to 4 Up to 9 Up to 9
Configurable signal outputs x x x x
Number of changeover-capable pro-
tective/warning field pairs
1 10 10+10 100
E-stop linkage - x x x
Four field mode (quads) x x x x
Internal safe time delay - - x x
Measurement data output optimized
for vehicle navigation
- Only RSL425 - Only RSL445
USB interface - x x x

Device description
Leuze electronic GmbH + Co. KG RSL 420 15
3.1.1 Protective function of RSL400 safety sensors
The safety sensor transmits periodic light pulses via a rotating deflection unit. The light pulses are scattered
in all directions by obstacles, e.g. persons. A part of the light pulses is received again by the safety sensor
and evaluated. The safety sensor calculates the precise position of the object from the propagation time of
the radiated light and the current angle of the deflection unit at that time. If the object is within a predefined
area, the protective field, the safety sensor performs a safety-related switching function. It switches the
safety-related switching outputs off.
Only when the protective field is free again does the safety sensor reset the safety-related switching func-
tion, either automatically or following acknowledgment, depending on the operating mode.
The safety sensor can even detect people when they are wearing very dark clothes, which have a very
weak diffuse reflectance.
3.1.2 Parameters for protective function
The following parameters for switching off the safety-related switching outputs of the safety sensor are
taken into consideration for the protective function:
• Configurable protective fields
• Reference contour of protective fields
• Configurable field pair changeover
• Selectable resolution for hand, leg or body detection
• Safety sensor response time
• Selectable start-up behavior
The following non-safety-oriented functions and signals also belong to the protective function:
• Configurable warning fields
• Configurable indication signals
Additional functions of the protective function
• Warning field evaluation
• Selectable dynamic contactor monitoring (EDM)
• E-Stop
3.1.3 Device and monitoring functions
• Monitoring and release of field pair changeover
3.2 USB connection
The safety sensor features a Mini-B type USB socket as a service interface for configuration and diagnosis.
NOTICE
ÄUse the USB connection only temporarily for configuration or diagnosis of the safety sensor.
ÄFor permanent connection, connect the safety sensor to the Ethernet connection of the con-
nection unit.
NOTICE
ÄAfter use, seal the USB connection using a protection cap. Make sure that the protection
cap is felt to engage when sealing. The IP degree of protection specified in the technical
data is only achieved when the protection cap is closed.

Device description
Leuze electronic GmbH + Co. KG RSL 420 16
3.3 Connection unit
The safety sensor is mounted, connected and aligned using the connection unit.
M5 2x
21
1 Connection cable, connection to the machine
2 M12 socket, D-coded, Ethernet communication connection
M5 Connection for functional earth with M5x10 self-cutting/self-tapping (gas tightness) and ground strap
Fig.3.2: Device overview, connection unit
Functions of connection unit:
• Attachment point for mounting, either directly or using an optional mounting system.
When devices are swapped out, the connection unit remains mounted and aligned.
• EMC wiring for signal inputs/outputs and supply using connection cable
Safety sensor Connection unit Connection
RSL420 CU416-y
y=5000, 10000, 25000
Connection cable, 16-wire
5m, 10m, 25m
• Connector bushing and EMC for the Ethernet TCP/IP communication and configuration interface to the
PC/laptop
• Memory for the configuration files and automatic parameter transfer in the event of device swap-out
• Quick-release connection to the scanner unit (see Quick Start Guide) for easy device swap-out
NOTICE
To ensure the IP protection and leak tightness of the devices, the supplied protection caps must
always be placed on unused connections.

Device description
Leuze electronic GmbH + Co. KG RSL 420 17
3.4 Display elements
The display elements of the safety sensors simplify start-up and fault analysis.
3.4.1 LED indicator
Located on the connection unit are the LEDs for displaying the operating state.
• Protective function A: LEDs 1, 2, 3
1 2 3 4 5 6
1 LED1, red/green
2 LED2, yellow
3 LED3, blue
4 LED4, blue
5 LED5, yellow
6 No function
Fig.3.3: LED indicators
Tab.3.2: Meaning of the LEDs
LED Color State Description
1 Red/green OFF Device switched off
Red OSSD off
Red, flashing Error
Green OSSD on
2 Yellow OFF RES deactivated
RES activated and enabled
Flashing Protective field occupied
ON RES activated and blocked but ready to be unlocked
Protective field free and linked sensor enabled (if applicable)
3 Blue OFF Free warning field
ON Warning field interrupted
4 Blue OFF Four field mode: warning field3 free
ON Four field mode: warning field3 interrupted
5 Yellow Flashing Four field mode: warning field2 interrupted

Device description
Leuze electronic GmbH + Co. KG RSL 420 18
3.4.2 Alphanumerical display
In normal operation, the 24-digit alphanumerical display of the safety sensor shows the monitored protec-
tive and warning field pairs. It also provides assistance during detailed error diagnostics (see chapter 12
"Diagnosis and troubleshooting").
Tab.3.3: Alphanumerical displays
Display Description Example
Upon startup without configuration/upon initial commissioning
Sensor type Sensor type 420M
Software version Software version of the device V5.1
Sensor serial number Sensor serial number SN: 21513123456
Sensor name / Network name Name of the sensor / network A123456789
IP: DHCP/FIX DHCP or permanent IP address IP: DHCP
IP: 10.25.45.2
Bluetooth on/off Bluetooth detection ON/OFF Bluetooth ON
Configuration necessary Configuration required CONFIG REQUESTED
Repeated until end of booting phase / start phase, then
Spirit level permanent Horizontal alignment in degrees: H
Vertical alignment in degrees: V
H -3° V +9°
Upon startup with configuration
Sensor type Sensor type 410XL
Software version Software version of the device V5.1
Sensor serial number Sensor serial number SN: 21513123456
Sensor name / Network name Name of the sensor / network A123456789
IP: DHCP/FIX DHCP or permanent IP address IP: DHCP
IP: 10.25.45.2
Bluetooth on/off Bluetooth detection ON/OFF Bluetooth ON
Date of configuration Date of configuration 11/13/2014 08:15
Signature Signature of configuration DG45L8ZU
Level Horizontal alignment in degrees: H
Vertical alignment in degrees: V
H-3° V+9°
Repeated until end of booting phase / start phase, then
Display following configuration of normal operation
e.g. display of active field pair A1.1
Transfer of the configuration data
AWAITING CONFIG Until downloading of configuration data is confirmed
DOWNLOAD CONFIG During transfer of configuration data
Level
H +/- ..° V +/- .. ° Horizontal alignment in degrees: H
Vertical alignment in degrees: V
H -3° V +9°

Device description
Leuze electronic GmbH + Co. KG RSL 420 19
Display Description Example
Sensor detection
PING received Display for identification by device
name
PING received Device name
Message
Message via a signal output or diag-
nosis ID
ProtF A: E123
Device: P007 - wrong Config
Error diagnostics
F… Failure, internal device error
E… Error, external error
U… Usage info, application error
I… Information
P… Parameter, inconsistency in the con-
figuration
For error diagnostics, the error's respective letter is displayed first followed by the number code. An Au-
toReset is carried out after 10 seconds for errors that do not cause locking, with an unauthorized restart be-
ing impossible. In the case of blocking errors, the voltage supply must be separated and the cause of the
error must be eliminated. Before switching on again, the steps taken before initial commissioning must be
repeated (see chapter 10 "Starting up the device").
When the protective field has been free for about 5 seconds, the device switches back to the display in nor-
mal operation.
Displays in normal operation
The display in normal operation depends on the operating state of the safety sensor. The display can be
switched off or rotated by 180° by means of the software.
3.4.3 Field-of-view display
The upper and lower limit of the safety sensor's field of view can be displayed by means of horizontal lines
on the optics cover.
ÄMake sure that the safety sensor's field of view is always completely unobstructed.
NOTICE
Always check the protective field configuration!
ÄCheck all defined protective fields each time the configuration is changed.
The field-of-view display is a comfort function and is not intended as a substitute for check-
ing the protective field configuration.
ÄThe safety sensor's field of view must be completely unobstructed on the application side.
3.5 Mounting system (optional)
Mounting systems and mounting brackets simplify mounting and alignment of the safety sensor. Mounting
systems and mounting brackets are available as accessories (see chapter 17 "Order guide and acces-
sories").
3.6 Loop guard (optional)
The loop guard for the optics cover prevents damage to the safety sensor caused by light contact with for-
eign objects. The loop guard is available as an accessory (see chapter 17 "Order guide and accessories").

Configuration and diagnostic software SensorStudio
Leuze electronic GmbH + Co. KG RSL 420 20
4 Configuration and diagnostic software SensorStudio
To start up a safety sensor in your application, the safety sensor must be set up according to its specific
use using the configuration and diagnostic software. The software is used to set up the safety configuration
of the safety sensor, to change the communication and diagnostics settings and to perform diagnostic rou-
tines. Communication takes place via the PC.
The software is designed according to the FDT/DTM concept:
• You make the individual configurations for the safety sensor in the Device Type Manager (DTM).
• The individual DTM configurations of a project can be called up via the frame application of the Field
Device Tool (FDT).
• Each device DTM has a communication DTM that sets up and monitors the communication connec-
tions to the sensor.
NOTICE
Only use the software for safety sensors manufactured by Leuze.
4.1 System requirements
To use the software, you need a PC or laptop with the following specifications:
Hard disk space At least 250MB free memory
If you want to save the protective field or configuration values, you will
need more memory.
Screen display Color
External drive DVD drive
Input device Keyboard and mouse or touchpad
Output device Printer (black-white or color)
Interfaces RJ45 Ethernet network
Bluetooth (optional) - If the PC does not have integrated Bluetooth technol-
ogy, use an appropriate USB or PCMCIA adapter if necessary.
Operating system Microsoft® Windows7 or higher
NOTICE
Only the term "PC" is used below.
4.2 Installing software
Prerequisites:
• You do not need the safety sensor to install the software on the PC.
• All Windows applications are closed.
NOTICE
The software is installed in two steps:
ÄInstalling the SensorStudio FDT frame.
ÄInstalling LeSafetyCollection device manager (DTM).