Leuze electronic RS4 User manual

ROTOSCAN RS4/AS-i
607060 - 2009/03 Subject to change without prior notice
ADDITIONAL INFORMATION TO THE CONNECTING AND OPERATING
INSTRUCTIONS

2 RS4/AS-i Leuze electronic
DEUTSCH ENGLISH FRANÇAIS ITALIANO ESPAÑOL NEDERLANDS
About the Connecting and Operating Instructions
The Connecting and Operating Instructions for the ROTOSCAN RS4/AS-i laser scanner
contains information that supplements the Connecting and Operating Instructions for the
ROTOSCAN RS4-4 laser scanner. This information describes the correct manner of use,
project configuration, assembly, electrical installation and putting into operation of scanners
with an AS-interface connection. Additional information will be found in the Connecting and
Operating Instructions for the RS4-4 and in the RS4soft User Manual. These three
documents, as well as the RS4soft software, are intended for the use of planners,
operators and maintenance personnel of systems which are protected with the ROTOS-
CAN RS4/AS-i laser scanner.
It is essential that all the instructions given in the Connecting and Operating Instructions
and in the User Manual be observed, especially those relating to safety.
The Connecting and Operating Instructions and the User Manual should be carefully
looked after. They must be available at all times throughout the period when the scanner is
in use.
Safety instructions and warnings are indicated with the symbol .
Instructions relating to the safety of laser equipment are indicated with the symbol .
Pointers to important items of information are indicated by the symbol.
Leuze electronic GmbH + Co. KG is not liable for damages caused by improper use.
Knowledge of this manual is an element of proper use.
©Reprint and reproduction, in whole or in part, only with the explicit permission from
Leuze electronic GmbH + Co. KG
Liebigstrasse 4
82256 Fuerstenfeldbruck / Germany
Phone [phone]
Telefax [phone]
[email protected]
www.leuze.com

Table of contents
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1 General remarks_Test .......................................................................................................5
1.1 Manufacturer’s certification ..................................................................................................5
1.2 Approval and Declaration of EC Conformity ........................................................................5
1.3 Definition of terms (on AS-Interface)....................................................................................5
1.4 Abbreviations .......................................................................................................................6
2 System overview................................................................................................................7
2.1 Short description of the RS4/AS-i ........................................................................................7
2.2 Short description of the AS-Interface ...................................................................................8
2.2.1 The AS-i safety monitor........................................................................................................ 8
2.2.2 The safety-related AS-i slave ...............................................................................................9
3 Safety instructions ..........................................................................................................10
3.1 General safety instructions.................................................................................................10
3.2 Appropriate use.................................................................................................................. 10
3.3 Areas of application (AS-Interface) ..............................................................................................11
3.4 Organisational measures ...................................................................................................11
4 Construction, assembly and connection to power supply (AS-i) ...............................13
4.1 Construction....................................................................................................................... 13
4.2 Assembly............................................................................................................................15
4.2.1 Calculating the safety distance / total reaction time (total response time) for
AS-i applications ...............................................................................................................16
4.3 Electrical connection ....................................................................................................................17
4.3.1 Connections on the RS4/AS-i ............................................................................................17
4.3.2 Guidelines for installation ...................................................................................................18
4.3.3 Power supply to the RS4/AS-i............................................................................................18
5 Putting the system into operation .................................................................................19
5.1 Integration with the AS-Interface / functional controls........................................................19
5.2 Advice on malfunctioning and rectification of errors.....................................................................20
5.3 Extended possibilities of diagnosis by means of AS-Interface...........................................20
6 Maintenance and testing .................................................................................................21
6.1 Replacement of a safety-related AS-i slave.......................................................................21
6.2 Check the reliability of the safety switchoff mechanism.....................................................22
7 Technical specifications and dimensional drawings ...................................................23

Inhaltsverzeichnis
4 RS4/AS-i Leuze electronic
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8 Standard delivery and order detalis............................................................................... 25
8.1 Standard delivery............................................................................................................... 25
8.2 Start-up Set........................................................................................................................ 25
8.3 Order details RS4/AS-i and accesoires RS4/AS-i.............................................................. 25
8.4 Order details accessories AS-i Safety and AS-i Safety Monitor .................................................. 27
9 Declaration of conformity ............................................................................................... 28

General remarks_Test
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1 General remarks_Test
The safety laser scanner RS4 is an active opto-electronic protecive device or AOPD of
type 3 as defined by DIN EN/IEC 61496-1 and (pr) EN/IEC 61496-3. The AS-i adapter is an
accessory to the RS4 which serves for the safe connection of the device to AS-Interface.
1.1 Manufacturer’s certification
The manufacturer of the ROTOSCAN RS4/AS-i, Leuze electronic GmbH + Co. KG, based
in D-82256 Fürstenfeldbruck, Germany, has a quality assurance system that is certified in
keeping with ISO 9001.
1.2 Approval and Declaration of EC Conformity
The ROTOSCAN RS4/AS-i laser scanner remote-acting sensor was developed and
manufactured with regard to the applicable European guidelines and standards.
An EC prototype test certificate (valid for Europe) as specified in DIN EN/IEC 61496-1 and
(pr) EN/IEC 61496-3 has been conferred by:
TÜV Süddeutschland Group1
Zertifizierstelle
Ridlerstr. 65,
D-80339 Munich
GERMANY
1.3 Definition of terms (on AS-Interface)
Output switching element (safety output) of the AS-i safety monitor
An element that is activated by the monitor’s program logic, which is in a position safely to
switch off the control components subordinated to it. Only when all components function as
indicated in the specifications should the output switching element be put into or allowed to
remain in the On state.
1. Technischer Überwachungsverein:
authority responsible for maintaining industrial standards.

General remarks_Test
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OSSD
The one channel of the AS-i safety monitor to which safety-related AS-i components and
functional components are assigned which are responsible for releasing the machine
elements which create the unsafe movement.
Integrated AS-i slave
Component in which sensor and/or actuator functions are incorporated with the slave in a
single unit.
AS-i Master
Component for data transmission, which controls the logical and temporal behaviour of the
system on the AS-i line.
Safety output
See output switching element.
Safety-related input slave
Slave which reads the safety-related states On and Off of the sensor or command unit to
which it is connected and transmits it to the master or safety monitor.
Safety-related AS-i slave
Slave for connecting safety-related sensors, actuators and other devices.
Safety monitor
Component which monitors the safety-related slaves and the correct functioning of the
network.
Slave
Components for data transmission; the master cyclically addresses these components by
their addresses. Only then do they generate an answer.
Standard slave
Slave for connecting non-safety-related sensors, actuators and other devices.
1.4 Abbreviations
AS-i Actuator sensor interface (AS-Interface)
AOPD Active optoelectronic protective device
EMC Electromagnetic compatibility
FE Functional earth
PELV Protective extra-low voltage
PLC Programmable logic controls

System overview
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2 System overview
The RS4 area scanner is an active optoelectronic protective device (AOPD) of type 3. It
polls the protective field that has been selected by the setting of parameters on a
continuous basis, and when the protective field is violated switches off its OSSD safety
switching outputs (OSSD = output signal switching device), so checking the hazardous
movement. While the system is in operation, it is possible to switch between up to four
parameterised protective fields and warning fields by means of local sensor signals.
Depending on the parameter settings, the scanner may emit a non-safety-related warning
signal if the front pane becomes too dirty and/or in the case of a warning field (that has
likewise been parameterised) being violated.
In view of its integrated AS-i Interface, the RS4/AS-i can be connected to the AS-Interface
bus system. If a person or obstacle is situated within the protective fields that have been
defined earlier, a safety-related switching function will be triggered and the machine that is
protected by means of the AS-Interface and the AS-i safety monitor will be brought into a
safe state. This switching function will only be reset when the protective field is clear,
irrespective of the operating mode, which may be automatic or may involve acknowledge-
ment by way of the AS-i safety monitor.
2.1 Short description of the RS4/AS-i
The RS4/AS-i area scanner sends out extremely short laser pulses, and measures the time
between the impacting of a pulse on an object and its being reflected back to the receiver of
the RS4/AS-i. The length of time enables the device to calculate the distance between the
object and the RS4/AS-i.
The polling unit in the scanner rotates, and sends out / receives a laser pulse at intervals of
0.36°. In this way a sector of a circle of up to 190° can be polled, the RS4/AS-i being
located at the midpoint. The protective field that is to be monitored is limited by a user-
defined curve around the scanner, the maximum distance from this to the midpoint of the
scanner being 4 metres. If an object is detected between this boundary line and the
scanner, thus violating the protective field, the scanner will switch off its safety-related
OSSD output, and the status of the OSSDs will be transmitted to the AS-i safety monitor by
way of the AS-i system in the form of a cyclic data sequence; having been notified of the
violation of the protective field, the monitor will bring the hazardous movement to a halt.
In addition to the safety-related protective field, a non-safety-related warning field can be
parameterised; when this is violated the system will not be switched off, but a warning
signal will be given. This will likewise be included in the data telegram that is exchanged
cyclically with the AS-i bus master and can be called up at will.
Achtung!
Although the data transfer is safety-related, the warning signal should not be used in a
safety-related manner, as it is not delivered by the scanner as a safe signal.
The protective field and the warning field together constitute a pair of protective fields. They
are always activated jointly, and a maximum of four protective fields may be selected at any
time. All pairs of protective fields, as well as the permissible modes of switching between
them, will be adapted to the given application when the system is first put into operation.
When the system is operational, switching between protective field pairs is managed by
local sensor signals.

System overview
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2.2 Short description of the AS-Interface
The actuator-sensor interface (AS-interface, in short: AS-i) has established itself as a
system for net-working primarily binary sensors and actuators at the lowest level of the
automation hierarchy. The high number of installed systems, the ease of use and the
reliable operating behaviour also make the AS-interface interesting in the area of machine
safety.
The safe AS-Interface system is intended for safety applications up to category 4 in
accordance with EN 954-1. A mixed manner of operation, using both AS-i standard
components and AS-i safety-related components, is possible.
Note:
A comprehensive description of safe AS-i transmission will be found in the Connecting and
Operating Instructions for the AS-i safety monitor, chapter 11.
2.2.1 The AS-i safety monitor
Within an AS-i system, corresponding to the configuration that the user has specified by
means of the configuration software, the AS-i safety monitor keeps a check on the safety-
related AS-i slaves that are allocated to it. Depending on the device model, up to two
dependent or independent OSSDs with contactor monitoring are available. In case of a
Stop request or of a fault occurring, the AS-i safety monitor in protective mode will safely
switch the system off, with a maximum response time of 40 ms when the system is fully
extended. It is possible in this connection to link as many as 31 safety-related AS-i slaves
into a system.
a PLC controls with AS-i Master
b Standard module
c AS-i safety monitor
d EMERGENCY STOP button, with integrated
AS-i interface
e Safe AS-i input module
f Position switch, with integrated AS-i
interface
g Standard module
h Safety light grid, with integrated AS-i inter-
face
i AS-i power supply unit
j Position switch, with integrated AS-i
interface
Fig. 2.2-1: Safe and standard components in an AS-i network
a
bcde
f
g
h
i
j

System overview
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Multiple AS-i safety monitors can be used within an AS-i system. In this way, a safety-
related AS-i slave can be monitored by multiple AS-i safety monitors.
2.2.2 The safety-related AS-i slave
The safety-related information of the AS-i slave is transmitted by way of the non-safety-
related transmission channel used by Standard AS-i. The same transmission mechanism
applies to a safety-related transmission as it does to the Standard AS-Interface, that is to
say, the 4-bit information that is delivered to the AS-i slave-IC will be transmitted. From a
transmission perspective, information is transmitted from master to slave and back again,
but the safe data information is sent from the slave to the AS-i safety monitor only, which
“listens in” to the entire exchange of information and monitors what is transmitted. Here the
safety-related user data are defined as follows:
• Only 1 bit of user information is transmitted. The two possible states are interpreted as
meaning free (=1) and not free (=0).
Example:
Emergency stop not activated = free ("hazardous movement approved")
Emergency stop activated = not free ("hazardous movement not approved")
• In the not free state the values 0,0,0,0 are statically registered in the 4 input bits of the
AS-i slave-IC.
• In the free state, with every cycle a different value is registered in the 4 input bits. The
values amount to a sequence of 8 4-bit values which vary in pairs, in such a way that
each slave in the system has its own unique sequence. After the eighth sequence has
been successfully transmitted, the system switches to the first sequence again (endless
loop). The sequence is registered in a code table of the AS-i slave and can be generated
in keeping with defined rules. It is assigned by the manufacturer of the AS-i slave as part
of the manufacturing process.
Data bit Light path clear Light path interrupted
D0 Code sequence 0
D1 Code sequence 0
D2 Code sequence 0
D3 Code sequence 0
Table 2.2-1: Allocation of the data bits of the safety-related AS-i slave

Safety instructions
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3 Safety instructions
3.1 General safety instructions
Achtung!
The RS4/AS-i with an integrated AS-i Interface is designed exclusively for connection to the
AS-Interface Safety at Work, and is not to be used in connection with other applications.
The RS4/AS-i can only be connected to the machine controls by way of the AS-Interface
and the AS-i safety monitor.
Achtung!
A condition of appropriate use of the RS4/AS-i is that personnel should be familiar with the
Connecting and Operating Instructions for the RS4-4 and the RS4/AS-i.
For putting the RS4/AS-i into operation with the AS-Interface, familiarity with the Connec-
ting and Operating Instructions for the AS-i safety monitor and the User Manual for the
configuration and diagnosis software of the AS-i safety monitor is also required (asimon –
Configuration and Diagnostics Software).
Note:
Please have regard to the safety instructions and instructions for appropriate use of the
equipment in chapter 3 of the Connecting and Operating Instructions for the RS4-4.
Warning: laser beam!
The RS4 laser scanner is a laser device of laser class 1. Please have regard to the
applicable statutory and local regulations for the operation of laser systems. Avoid
positioning the scanner at eye level.
3.2 Appropriate use
Achtung!
It cannot be guaranteed that operating personnel and equipment will be protected if the
device is not used in accordance with the defined mode of operation.
Achtung!
Any tampering with or modification of equipment (except in ways that are expressly
described in the present Manual) is forbidden.

Safety instructions
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3.3 Areas of application (AS-Interface)
The AS-i safety monitor, when used in accordance with the specifications, allows for the
operation of the sensor-controlled personnel protection facilities and other safety compon-
ents up to and including category 4 in accordance to EN 954-1. If sensors of a lower
category should be used, the maximum category to be attained for the related safety path
is defined in terms of these sensors. For example, laser scanners in accordance to EN
61496-3 can only be classified as type 3 at best. If laser scanners are incorporated in the
AS-i safety network, a safety category of 3 is the maximum that may be attained for the
related safety path. If there is a safety light curtain of type 4 connected to the same AS-i
safety monitor, it remains unaffected by this, and may still be classified as category 4. The
AS-i safety monitor also takes responsibility for the EMERGENCY STOP function,
obligatory for all machines not operated by hand (stop category 0 or 1), for the dynamic
monitoring of the restart function and for the external device monitoring function (EDM). In
what follows we will give a few examples of the use of the AS-i safety monitor.
AS-i Safety at Work can be economically used in all cases where the standard AS-i bus
recommends itself in view of its advantages as a local bus that requires little cabling. In this
way, when the AS-i safety monitor is used, AS-i bus configurations that already exist as bus
user devices can easily be added to, and safety components with the appropriate AS-i
Safety at Work interface (e.g. COMPACT/AS-i) can easily be incorporated in the loop. If the
safety component does not have an AS-i Safety at Work interface, what are known as
coupling modules (e.g. the AS-i coupling module ASKM1) can effect the connection.
Existing AS-i Masters and AS-i power supplies can as a rule be reused. In terms of
industrial sector there are no limitations. Let us mention here a few of the more important
areas of use:
• Expanded machining machines with multiple control elements and safety sensors for
wood and metal applications
• Printing and paper processing machines, cutting machines
• Packaging machines, single and as part of a system
• Food processing equipment
• Piece and bulk material transport systems
• Machinery in the rubber and plastics industry
• Assembly machines and manipulators
3.4 Organisational measures
Documentation
It is an absolute requirement that regard should be had to all the statements made in this
Connecting and Operating Manual, in particular in the chapters “Safety Notices” and “AS-i
System Integration”. Please look after this Connecting and Operating Manual and treat it
with care. It should be available at all times.
Safety prescriptions
You should have regard to the statutory stipulations that apply locally and to the
prescriptions of the relevant professional associations.
Qualified personnel
The assembly, startup and maintenance of the equipment should be carried out only by
qualified professional personnel. Electrical work may be carried out only by a professional
electrician.

Safety instructions
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Repairs
Repairs, in particular if they involve the opening of the housing, may only be carried out by
the manufacturer or by a person whom the manufacturer has authorised. An exception to
this rule is the disassembly of the end cap of the device on the connection side (on either
the transmitter or the receiver) for an adjustment of the DIP switches if this should prove
necessary (see chapter 3, Assignment of the DIP switches).
Disposal
Note:
Electronic scrap is special category waste, and you should have regard to the regulations
that apply locally to the disposing of such materials. COMPACT/AS-i safety light curtains
and light grids do not contain any batteries that would need to be removed before the
equipment is disposed of.

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4 Construction, assembly and connection to power supply
(AS-i)
4.1 Construction
The RS4/AS-i consists of the RS4 laser scanner and the RS4/AS-i adapter. These have
already been connected to one another at the factory. The RS4/AS-i adapter manages the
processing of the standard RS4 data on the AS-Interface bus system.
The safety-relevant OSSD signals and the diagnosis data of the RS4 are transmitted by
way of plug X1 (PIN1, PIN3) via AS-Interface to the AS-i safety monitor and AS-i Master.
In view of the high quantity of power it consumes, the RS4/AS-i requires a separate 24
VDC auxiliary power source, which is connected through plug X1 (PIN2, PIN4).
Socket X3 is responsible for the external switching of the four protective field and warning
field pairs.
Note:
For the wiring of the X3 socket, please observe the notes on the switching of protective
fields and warning fields in chapter 6 of the ROTOSCAN RS4-4 Connecting and Operating
Instructions.
If only one protective field is required, an M12 AC-M12-15M bridge plug (bridging PIN 1
and PIN 5) can be used for the wiring of protective field and warning field 1. See in this
connection chapter 8.4, Notes on ordering, RS4/AS-i accessories.
Plug X4 of the RS4/AS-i is intended for the connection of a restart button. This button
serves, on the one hand, for the unblocking of the scanner-internal start/restart interlock, if
this has been enabled; the button is also responsible for the acknowledgement of error
messages. This becomes necessary if the scanner has suffered a malfunction.
Fig. 4.1-1: Construction of the RS4/AS-i
1 RS4/AS-i adapter
2 RS4 laser scanner
1
2

Construction, assembly and connection to power supply (AS-i)
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During the activation of the restart button, the safety outputs OSSD 1 and OSSD 2 of the
RS4 are switched off, and the display on the scanner lights up red. The length of the
resetting signal has to be between 2 and 3 seconds. The length of the restart cable should
not exceed 25 m.
As a further option, in addition to the possibility of bus addressing by means of the M12
connector socket X1, a bus address may be allocated to the RS4/AS-i by means of this
addressing socket. To do this, a standard AS-Interface programming device for the
definition of bus addresses should be used, in conjunction with a special addressing socket
programming cable (see chapter 8, “Advice on selection and ordering, AS-i safety
accessories”).
For parameterisation purposes, and for local diagnosis of the RS4, a PC with the RS4soft
software is connected to the top side of the RS4/AS-i adapter via optical PC-adapter. The
cable exit of the PC adapter on the RS4/AS-i thus points in the direction of the protective
field. A powerful magnet in the PC adapter not only brings about a mechanical halt but at
the same time informs a reed contact in the device that the PC adapter is connected.
Fig. 4.1-2: Connecting the RS4/AS-i adapter
ADR
1...31
FE
AS Interface
24 V DC
Restart
SF1 SF2 SF3 SF4
24 V DC

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As the power supply for the PC adapter comes through the PC’s COM port, the latter must
be “RS232 compliant”, that is, with a load of 3 kOhm it must still be able to supply a voltage
of 5 V. The claim to be “RS232-compliant” that is occasionally found with Notebook PCs is
not sufficient here. The RS4/AS-i adapter registers the flow of data in passing, but not does
not act on it in any way. This interface therefore corresponds, in functional terms, to the
RS232 interface connected to the RS4 by means of SUB-D plugs.
Note:
A comprehensive description of the software may be found in the RS4soft User Manual.
4.2 Assembly
Note:
See in this connection chapter 5, “Planning and assembly instructions”, of the RS4-4
Connecting and Operating Instructions.
Note:
To assemble the RS4/AS-i you should use rather long fastening screws, with a length of at
least 50 mm and a diameter of 5 mm; in other respects the assembly instructions for the
ROTOSCAN RS4 laser scanner will apply here as well. The borehole measurements may
be seen from the scale drawings in chapter 7.
Fig. 4.1-3: Connecting PC and RS4/AS-i with optical PC adapter

Construction, assembly and connection to power supply (AS-i)
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4.2.1 Calculating the safety distance / total reaction time (total response time) for
AS-i applications
In general terms, the calculation that applies is in accordance with the following formula, in
keeping with EN 999, where S is the safety distance between the danger zone and the
protective field:
Here
Achtung!
See in this connection chapter 5.4.8 of the Connecting and Operating Instructions for the
ROTOSCAN RS4 laser scanner
Achtung!
The additional bus system reaction time that is required by the AS-Interface and the AS-i
safety monitor, coming to a maximum of 40 ms (when the full resources of the AS-Interface
system are installed with 31 slaves), must be added to the response time T.
S = (K xT) + C
C = 1200 mm – 0,4 H CMIN = 850 mm
HMIN = 15(d - 15 mm)
HMAX = 1000 mm
S is the minimum safety distance between protective field and danger zone, in mm
K is the speed of approach of the person or part of the body, in mm/ms
T is the overtravel time of the machine + the reaction time of the optoelectronic protec-
tive device (AOPD) + the reaction time of the AS-i bus system in ms
C is a safety-related constant, to take into account penetration of the danger zone be-
fore the protective facility is triggered, unit in mm
CMIN is the minimum value of the safety-related constant (850 mm), unit in mm
H is the height of the registration of measurement data taken from the reference point,
unit in mm
d is the resolution of the scanner (70 mm, covering the entire protective field), unit in
mm

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4.3 Electrical connection
4.3.1 Connections on the RS4/AS-i
Note:
FE – functional earth. The device must incorporate a functional earth for the sake of
enhanced EMC (electromagnetic compatibility). This should be connected to the functional
earth of the machine or system.
Fig. 4.3-1: Connections on the RS4/AS-i
Socket/
plug Function PIN 1 PIN 2 PIN 3 PIN 4 PIN 5
X1 (plug) AS-Interface data
and 24 VDC auxi-
liary power supply
AS-i +0 V AS-i -+ 24 V DC FE
in in
X2 Bus address pro-
gramming input AS-i +n.c. AS-i -n.c. n.c.
X3 (so-
cket)
Switching of pro-
tective fields
SF 1 SF 2 SF 3 SF 4 + 24 V DC
in in in in out
X4 (plug) Restart button n.c. Restart n.c. + 24 V DC n.c.
in out
Table 4.3-1: Connection pin assignment of the RS4/AS-i
X1AS-i connection (data and auxiliary power supply)
X2Connection for the AS-i address programming device
X3Connection for the switching of protective fields
X4Restart button connection
X5Optical PC interface
X1 X2
X5
X4X3

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Note:
The M12 cable that connects the RS4/AS-i X1 connection to the AS-i flat cable by way of
the AS-i AC-PDA1/A flat cable adapter (see chapter 8, Scope of standard delivery and
Notes on ordering), should be as short as possible (no more than 2 m). The functional earth
can be connected by way of PIN 5 of the X1 connection (of the RS4/AS-i) to the AS-i AC-
PDA1/A flat cable adapter; there in turn the system can be provided with an earthing wire
by way of two earthing springs on the modular screw plugs.
4.3.2 Guidelines for installation
Achtung!
The general safety instructions given in chapter 3 should be observed. The electrical
installation is to be carried out only by qualified and properly instructed professionals.
4.3.3 Power supply to the RS4/AS-i
Achtung!
The power supply unit that provides power for the RS4/AS-i must be reliably independent
of the mains as defined by IEC 60742, and must be able to bridge over short-term power
cuts of up to 20 ms.

Putting the system into operation
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5 Putting the system into operation
5.1 Integration with the AS-Interface / functional controls
Note:
See also, in this connection, chapter 7 of the Connecting and Operating Instructions for the
AS-i safety monitor (“Functionality and putting the system into operation”) and chapter 10 of
the Connecting and Operating Instructions for the ROTOSCAN RS4-4 laser scanner
(“Putting the system into operation”).
The procedure for assembling and putting the system into operation is described below:
1 Address the AS-i slave
Addressing is carried out by way of the M12 connector socket for connection of the AS-i
bus and 24 V power supply (X1), or alternatively by way of the AS-i addressing socket
(X4), using standard AS-i addressing devices. Each address may be used only once in
an AS-i network. Possible bus addresses range from 1 to 31.
2 Install the safety AS-i slave on the AS-Interface system
This connection is effected by way of an AS-i adapter for the connection of the AS-In-
terface data cable (yellow) and auxiliary power supply of 24 V DC (black), as well as
with a 5-pole M12 connecting cable from the AS-i adapter to the M12 connector socket
X1 of the RS4/AS-i.
3 Check the 24 V power supply to the sensor
The red LED on the RS4/AS-i will light up.
4 Check that the protective field of the RS4/AS-i is clear
The green LED will light up in about 20 seconds if the protective field is clear. The RS4/
AS-i is then in operational readiness, and the code table can be programmed into the
AS-i safety monitor.
LFor the RS4/AS-i to function properly, the M12 socket X3 that is responsible for the
switching of the protective fields must first have been connected, that is to say, a
protective field must have been activated. For this purpose you can use the protec-
tive field jumper plug for connection of protective field 1 (AC-M12-15M) (see chapter
8, “Scope of standard delivery and advice on ordering, RS4/AS-i accessories”).
LFor system integration purposes – that is to say, when the AS-i safety monitor is be-
ing programmed with the code table of the safety AS-i slave – the protective field of
the RS4/AS-i must not be violated.
5 The commissioning and configuration of the safety AS-i slave will now be effec-
ted with the help of the configuration and diagnosis software of the AS-i safety
monitor.

Putting the system into operation
20 RS4/AS-i Leuze electronic
DEUTSCH ENGLISH FRANÇAIS ITALIANO ESPAÑOL NEDERLANDS
5.2 Advice on malfunctioning and rectification of errors
Note:
See, in this connection, chapter 16 of the RS4’s Connecting and Operating Instructions
(“Error codes and their causes”), as well as chapter 9 of the Connecting and Operating
Instructions for the AS-i safety monitor (“Status messages, malfunctions and rectification of
errors”).
5.3 Extended possibilities of diagnosis by means of AS-Interface
By bringing up the parameters by means of AS-Interface you can obtain information about
the current status of the RS4 alarm output, and also about the currently active protective
field (see the RS4-4 Connecting and Operating Instructions, chapter 7.3).
Achtung!
This information is only available for purposes of diagnosis, as querying the parameters
involves a non-secure transfer of AS-i data by means of the bus. Moreover, the protective
field display will only be valid for a protective field that has been set correctly.
The 4th parameter port (P3) makes it possible to start or restart the RS4/AS-i remotely. The
conditions for a RESTART are in line with the directions given in the RS4 Connecting and
Operating Instructions, chapter 7.1.
Parameter bit Function Description
P0 Alarm Process diagnosis
P1 Protective field display* Process diagnosis
P2 Protective field display* Process diagnosis
P3 Restart Process control
Table 5.3-1: Assignment of parameter bits (RS4/AS-i)
P2 P1 Protective field
0 0 Protective field pair 1 activated
0 1 Protective field pair 2 activated
1 0 Protective field pair 3 activated
1 1 Protective field pair 4 activated
Table 5.3-2: *Assignment of parameter bits (protective field display)