EBRO ARMATUREN SBU User manual

EBRO SBU IO-Link
Example illustrations, not all possible type variants are shown!
Original assembly instructions
with operating instructions and technical appendix
in accordance with the EU RED Directive 2014/53/EU
in accordance with the EC Machinery Directive 2006/42/EC
English language version
Revision: 00-05.21
OI SBU IO-Link

Operating instructions - SBU IO-Link
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Table of contents
Page
A) GENERAL INFORMATION 4
A01 OVERVIEW OF TYPES 4
A02 DESIGN OF THE HAZARD SYMBOLS 5
A04 TERMS USED 7
A05 ABOUT THESE OPERATING INSTRUCTIONS 7
A06 NOTE ON COPYRIGHT AND PROPERTY RIGHTS 8
A07 WARRANTY AND LIABILITY 8
A08 LEGAL CONDITIONS 8
A09 NOTES FOR THE OPERATING COMPANY 9
A10 QUALIFIED PERSONNEL 10
A11 INSTRUCTION AND TRAINING 11
A12 MARKING OF THE SBU IO-LINK 11
B) SAFETY INFORMATION 12
B01 GENERAL SAFETY INFORMATION 12
B02USE FOR THE INTENDED PURPOSE 13
B03 ORGANISATIONAL MEASURES 15
B04 SAFETY INFORMATION FOR THE OPERATING PERSONNEL 15
B05 SAFETY INFORMATION FOR THE OPERATION OF THE SBU IO-LINK 16
B06 SAFETY INFORMATION FOR START-UP/SHUTDOWN,SERVICE AND MAINTENANCE 16
B07 SAFETY INFORMATION FOR WORKING ON THE ELECTRICAL SYSTEM 18
B08 RESIDUAL HAZARDS 20
B09 DANGER DUE TO FORESEEABLE MISUSE 21
C) PRODUCT DESCRIPTION 22
C01 USE FOR THE INTENDED PURPOSE 22
C02 SCOPE OF DELIVERY 24
D) USAGE CONDITIONS 25
D01 AMBIENT TEMPERATURES 25
D02 ENVIRONMENTAL CONDITIONS 25
D03 INSTALLATION CONDITIONS 25
E) MOUNTING INSTRUCTIONS 26
E01 MOUNTING THE SBU IO-LINK ON THE QUARTER TURN ACTUATOR 28
E02 ELECTRICAL CONNECTION 29
E03 SETTING AND ADJUSTMENT OF THE END POSITION SIGNALLING 34
E04 DISMOUNTING THE SBU IO-LINK 35

Operating instructions - SBU IO-Link
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F) TEST RUN AFTER INSTALLATION 37
F01 TEST RUN 37
F02 RGB LED VIEW 38
F03 CONFIGURATION VIA IO-LINK MASTER 39
G) FUNCTION 39
G01 IO-LINK 39
G02 BLUETOOTH LE 39
G03 PARAMETERIZATION 39
G04 SOLENOID VALVE CONTROL 39
G05 PROCESS INPUTS 40
G05 EXTENDED SENSOR TECHNOLOGY 40
H) SERVICE AND MAINTENANCE 41
H01 SERVICE AND MAINTENANCE IN GENERAL 41
H02 MAINTENANCE INTERVALS 43
H03 CLEANING OF THE SBU IO-LINK IN GENERAL 44
I) ERRORS, CAUSES AND REMEDIAL ACTION 45
I01 ERRORS IN GENERAL 45
I02 COLLECTIVE ERROR 46
I03 ERRORS –CAUSE –REMEDIAL ACTION 46
J) STORAGE, PACKAGING AND TRANSPORT 47
J01 STORAGE 47
J02 PACKAGING 47
J03 TRANSPORT IN GENERAL 47
K) DISPOSAL 48
K01 ENVIRONMENTAL PROTECTION 48
L) SPARE PARTS 49
L01 SPARE PARTS IN GENERAL 49
L02 ORDERING SPARE PARTS 49
EC DECLARATION OF CONFORMITY 50

Operating instructions - SBU IO-Link
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Additional information and current Original assembly instructions SBU IO-Link as well as current addresses
of our branch offices and trade partners can be found at:
www.ebro-armaturen.com
EBRO ARMATUREN Gebr. Bröer GmbH
Karlstraße 8
D-58135 Hagen
+49 (0)2331 904-0
Fax +49 (0)2331 904-111
A) General information
A01 Overview of types
Type
Description
SBU IO-Link
Switch box for the acquisition of state signals
(0°/90° or closed/open) for use in zones not at risk
of explosion.
Solenoid valve:
The solenoid valve connections serve as a clamping point or can be actively controlled via IO-Link. For
control via the SBU IO-Link, only valves with a control voltage of 24 V DC and max. 2, 1 Watt are permitted.
With external control of the solenoid valve coils, coils with a max. power of 5 Watt can be connected.

Operating instructions - SBU IO-Link
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A02 Design of the hazard symbols
The hazard symbols are found next to the safety information that indicates particular hazards for persons or
material assets. They are uniformly structured in these operating instructions and must be observed without
fail.
Observe the respectively mentioned safety information and be particularly careful in these cases! Also pass
on all safety information to other users!
In addition to the notes in these operating instructions, the generally applicable safety and accident
prevention regulations must be observed!
General hazard
High voltage
Hand injuries
Explosion
Signal word
Meaning
DANGER
Indicates a directly threatening hazard that will lead to very serious personal
injuries or even death if the instruction given is not followed precisely.
WARNING
Indicates a possibly hazardous situation that could lead to very serious
personal injuries or even death if the instruction given is not followed precisely.
CAUTION
Indicates a possibly hazardous situation or unsafe, hazardous procedures that
could lead to personal injuries or damage to the SBU IO-Link or its
surroundings.
Structure of the safety information
Signal word
Hazard symbol
Type and source of the hazard
Explanation
Measures to avert the danger

Operating instructions - SBU IO-Link
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A03 Design of the information symbols
You will find the information symbols next to circumstances or activities that ensure the safe, proper and
efficient handling of the SBU IO-Link if observed. They are all uniformly structured in these operating
instructions and must be observed.
Information and symbols attached directly to the SBU IO-Link such as warning signs, actuation signs,
direction of rotation arrows, component markings, etc. must be observed without fail.
Information and symbols attached directly to the SBU IO-Link must not be removed and are to be
maintained in a fully legible state!
Protective gloves
Eye protection
Symbol
Meaning
This symbol indicates that electrical components and the SBU IO-Link must be
switched off and secured against being switched on again before service and
maintenance.
This symbol indicates special circumstances that ensure the safe, proper and
efficient handling of the SBU IO-Link if observed. All information should be
followed in the interests of use of the SBU IO-Link as intended. Also pass on
all safety information to other users!
Work and/or operation steps are marked by the bullet point. The steps must be
performed in the order given from top to bottom!
A
Components and their installation location inside the SBU IO-Link are marked
by the rectangular and round key and a letter. Note that the letters are issued
again for each new chapter and always begin with A.

Operating instructions - SBU IO-Link
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A04 Terms used
SBU IO-Link
The term SBU IO-Link is used in the following text for these incomplete machines for acquiring the signals
of the 0° and 90° positions of valves actuated by pneumatic quarter turn actuators or linear actuators.
Operating personnel
The term operator is used in the following text for the operating personnel or the user of the SBU IO-Link.
This group of people has been trained on the SBU IO-Link and informed about possible hazards.
A05 About these operating instructions
These operating instructions apply to the SBU IO-Link in the standard version. The purpose of the SBU IO-
Link is to detect the end positions (0° and 90°) of the valves with the help of the actuation of pneumatic
quarter turn actuators or linear actuators, to process them with microprocessor assistance and to make
them available to an existing interface for further processing.
The SBU IO-Link in the form delivered by EBRO ARMATUREN is an incomplete machine that is intended
to be attached to a pneumatic quarter turn actuator with a VDE/VDI 3845 interface or optional detached for
a linear actuator.
You must follow these operating instructions when operating the SBU IO-Link.
These operating instructions are intended to be used for safe working on and with the SBU IO-Link and are
a considerable help for the successful and safe operation of the SBU IO-Link.
They contain important information that will help you to operate the SBU IO-Link safely, properly and
economically and to use the full range of functions of the SBU IO-Link. Observing them will help to avoid
hazards, to reduce repair costs and downtimes and to increase the reliability and prolong the service life of
the SBU IO-Link.
In addition, the operating instructions are intended to enable the user to carry out maintenance and repair
work on the SBU IO-Link himself for daily use. They contain safety information that must be observed.
All persons who work on and with the SBU IO-Link must have the operating instructions to hand during
their work and must observe the information and instructions relevant to them.
The operating instructions must always be complete and in a fully legible condition.
EBRO ARMATUREN Gebr. Bröer GmbH has compiled all the data in this documentation with the greatest
of care. Despite that, EBRO ARMATUREN cannot rule out deviations and reserves the right to make
technical modifications to the SBU IO-Link without prior notice. EBRO ARMATUREN accepts no legal
responsibility or liability for any damage that may occur as a result. Necessary changes will be included by
EBRO ARMATUREN in subsequent editions.

Operating instructions - SBU IO-Link
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A06 Note on copyright and property rights
No part of this documentation may be duplicated or made available to third parties without the special
permission of EBRO ARMATUREN Gebr. Bröer GmbH. It may only be made available to authorised
persons.
This documentation including all of its parts is protected by copyright. Duplication, translation and
microfilming as well as storage and processing in electronic systems require the written consent of EBRO
ARMATUREN Gebr. Bröer GmbH.
Infringements are punishable by law with obligatory compensation of damages.
All rights to the exercising of commercial property rights are reserved by EBRO ARMATUREN Gebr.
Bröer GmbH.
A07 Warranty and liability
Warranty and liability are based on the contractually defined conditions. For the warranty terms, please
refer to the Terms and Conditions of Sales and Delivery of EBRO ARMATUREN Gebr. Bröer GmbH.
Notify EBRO ARMATUREN GmbH of warranty and guarantee claims in writing immediately after discovery
of the defect or error. The guarantee or warranty lapses in all cases in which no liability claims can be
made.
Liability and warranty claims lapse in the case of software modifications without the knowledge and consent
of EBRO ARMATUREN Gebr. Bröer GmbH.
Illustrations and drawings serve the general exemplification and can differ from the SBU IO-Link delivered.
EBRO ARMATUREN GmbH will accept no warranty claims for damage caused by use other than for the
intended purpose, improper storage or improper transport.
A08 Legal conditions
The information, data and notes provided in the operating instructions were up to date at the time of going
to print.
No claims arising from the data, illustrations and descriptions can be asserted for SBU IO-Link units already
delivered.
EBRO ARMATUREN Gebr. Bröer GmbH accepts no liability for damage and operational disruptions
caused by:
assembly.
improper operation and troubleshooting during operation.
maintenance (service, care, repair).
improper use.
unauthorised modifications to the SBU IO-Link .
improper working on and with the SBU IO-Link .
operating and setting errors.
errors in the programming of the controller.
disregard of existing standards, guidelines and accident prevention regulations.
disregard of these operating instructions.

Operating instructions - SBU IO-Link
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A09 Notes for the operating company
The operating company is any natural or legal entity that uses the SBU IO-Link or on whose behalf the
SBU IO-Link is used.
The operating company is thus the entity responsible for safety.
The operating company or its authorised representative must ensure:
that all relevant regulations, instructions and laws for the avoidance of accidents and for operational
readiness are complied with.
that, following the installation and connection of the SBU IO-Link , the complete SBU IO-Link
conforms to the relevant directives and that the SBU IO-Link conformity for the complex SBU IO-
Link is established.
that the necessary protective devices are installed in conjunction with the on-site SBU IO-Link .
that only qualified personnel work on and with the SBU IO-Link .
that the personnel have the operating instructions at their disposal during all corresponding work
and adhere to them.
that unqualified personnel are forbidden to work on and with the SBU IO-Link .
that the necessary accident prevention and safety regulations are adhered to during the assembly
or maintenance work on the SBU IO-Link .
The operating instructions are to be supplemented by the operating company on account of national
regulations for accident prevention and environmental protection, including information on supervising and
reporting duties for taking into account special operational conditions, e.g. with regard to work organisation,
work processes and the assigned personnel.
In addition to the operating instructions and the mandatory accident prevention regulations applicable in the
user's country and at the place of use, the recognised technical rules and/or state of the art for occupational
health and safety are to be complied with.

Operating instructions - SBU IO-Link
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A10 Qualified personnel
Qualified personnel are persons who, on account of their training, experience, instruction and knowledge,
are able to carry out the necessary activities on the SBU IO-Link . In particular they have knowledge of
relevant standards, provisions, accident prevention regulations and operating conditions and have been
authorised by the entity responsible for the safety of the SBU IO-Link to carry out the respectively
necessary work. They must be capable of recognising and avoiding possible hazards.
Semi-skilled personnel trained by EBRO ARMATUREN GmbH may work with the SBU IO-Link . In addition,
they may instruct other persons in the operation and mode of operation of the SBU IO-Link .
Otherwise, special knowledge is required for certain tasks and activities. These may only be carried out by
trained and skilled workers.
Activities
Instructed
persons
Instructed persons
with technical
training
Electricians
Manufacturer
Installation / setup
●
●
Initial commissioning
●
●
Operation
●
Troubleshooting
mechanical
●
Troubleshooting
electrical
●
Cleaning
●
Maintenance
●
●
Work on the electrical
system
●
Packaging and
transport
●

Operating instructions - SBU IO-Link
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A11 Instruction and training
It is your duty as the operating company to inform the operating and maintenance personnel or instruct
them about existing safety and accident-prevention regulations as well as about the safety devices existing
on the SBU IO-Link .
The different technical qualifications of the employees are to be taken into account.
The operating personnel must have understood the instruction. In addition, it must be ensured that attention
is paid to the instruction. Only in this way can safety and hazard-conscious working of your personnel be
achieved. This should be checked regularly. As the operating company you should therefore have
participation in the instruction or training confirmed in writing by each employee.
If there is still a need for training of the operating personnel after handover of the SBU IO-Link to the
operating company, please contact EBRO ARMATUREN Gebr. Bröer GmbH to discuss the conditions.
A12 Marking of the SBU IO-Link
Each SBU IO-Link is marked with the following data on the housing or on the type plate:
Example of an SBU IO-Link standard version (outside of a
potentially explosive zone)
The type plate describes the temperature range, electrical data, EBRO article no. and IP protection class
applying to the SBU IO-Link . In addition, the date of manufacture and the CE mark are also printed on it.
So that the installed SBU IO-Link remains identifiable, it should not be covered.

Operating instructions - SBU IO-Link
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B) Safety information
B01 General safety information
These instructions contain safety information on the foreseeable risks involved in the mounting, connection,
operation and dismounting of the SBU IO-Link .
It is the responsibility of the operating company to supplement this information to cover other, specifically
local or process-related risks.
Please contact EBRO ARMATUREN Gebr. Bröer GmbH in case of questions or problems.
The SBU IO-Link conforms to the state of the art at the time of delivery and is deemed to be an incomplete
machine within the meaning of the Machinery Directive.
The SBU IO-Link can be a source of danger to persons, the SBU IO-Link itself and other material assets
of the operating company if:
personnel who are unqualified and have not been instructed work on and with the SBU IO-Link .
the SBU IO-Link is used improperly and not for its intended purpose.
the SBU IO-Link is incorrectly adjusted, repaired, maintained or connected.
The SBU IO-Link must be adjusted and equipped such that, when properly adjusted and equipped and
used for its intended purpose in error-free operation, it fulfils its function and does not represent a danger to
individuals. Take suitable measures to ensure use for the intended purpose. Operate the SBU IO-Link only
if it is in perfect condition. Retrofits, modifications or conversions of the SBU IO-Link are forbidden as a
matter of principle and require consultation with EBRO ARMATUREN Gebr. Bröer GmbH in every case.

Operating instructions - SBU IO-Link
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B02 Use for the intended purpose
The SBU IO-Link serves to acquire the signals for the 0°/90° or closed/open position detection of a valve.
The SBU IO-Link is mounted on a pneumatic quarter turn actuator with a VDE/VDI 3845 AA2 interface.
Quarter turn actuators not having these interfaces require an additional attachment kit for adaptation. The
SBU IO-Link can also optional be used as a detached unit with linear actuators. The additional interface for
two 24 V DC proximity switches allows the two end position sensors of the linear actuator to be electrically
connected there and their signals processed by the microprocessor-assisted SBU IO-Link . Further input
signals and output signals that are available are described in the following chapters. The SBU IO-Link is
suitable only for the non-explosive zone and may be operated only with a 24 V DC power supply. The
further conditions of use are described in more detail in the chapter Usage conditions. The SBU IO-Link
may only be put into operation after the following documents have been read:
- <Explanation of the EU directives>
- These assembly/operating instructions
Danger due to use of the SBU IO-Link other than for the intended purpose
People can be seriously injured if the SBU IO-Link is used improperly or for a purpose
other than that intended. Also, the SBU IO-Link may sustain damage.
Use the SBU IO-Link only for its intended purpose!
Do not modify the SBU IO-Link !
Do not exceed the operating voltage!
DANGER
Be sure to observe all the information in these operating instructions, in
particular the safety information. It must be read and observed before all
activities on the SBU IO-Link .
Any use, adjustment and variation other than that described in these operating
instructions is considered to be improper and contrary to the intended purpose
of the SBU IO-Link !
INFO

Operating instructions - SBU IO-Link
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This EBRO-SBU IO-Link , which
a) will be installed as a complete functional unit in a complete system
directly on a pneumatic quarter turn actuator with the attached interface according to VDI/VDE
3845 AA2 80 mm x 30 mm and 30 mm (max. dia. 30 mm) shaft height,
b) should normally detect the 0° (closed) and 90° (open) positions.
c) The microcontroller-assisted switch box has the following interfaces:
Terminal point for two 24 V DC solenoid valves
Terminal point for two external sensors
Terminal point for two analog sensors
Terminal point for the closed/open feedback signals
Terminal point for a collective error
IO-Link connection for configuration and parameterization
Bluetooth 4.0 LE interface for the visualisation of the operating state and parametrisation
options.

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B03 Organisational measures
The SBU IO-Link has been designed and built in accordance with the state of the art and recognised
safety rules. In order to avoid danger to the users and impairment of the SBU IO-Link and other material
assets, the following organisational measures are to be adhered to:
observance of the intended purpose of use of the SBU IO-Link .
operation of the SBU IO-Link in a technically flawless condition.
assignment of sufficiently qualified personnel.
adherence to the maintenance intervals.
observance and adherence to the hazard signs and markings on the SBU IO-Link .
observance of these operating instructions.
The operating instructions are to be stored permanently and ready to hand near the SBU IO-Link . The
personnel assigned to carry out tasks on the SBU IO-Link must have read the operating instructions, in
particular the chapter "Safety information", before starting work. This applies in particular to personnel who
only work occasionally on the SBU IO-Link .
Spare parts must meet the technical requirements attained during the commissioning of the SBU IO-Link .
This is guaranteed with original spare parts from EBRO ARMATUREN Gebr. Bröer GmbH.
The environment of the SBU IO-Link must be kept tidy and clean. Dirt and hampering of the function of the
SBU IO-Link as well as restrictions in the freedom of movement of the user can lead to errors and
accidents.
The SBU IO-Link may be operated only by personnel with the appropriate qualifications.
It is the duty of the operating personnel to check the SBU IO-Link at regular intervals (at least once per
day) for outwardly visible damage and defects. Any changes that occur that are detrimental to safety,
including changes in the operational behaviour, must be reported and rectified immediately.
B04 Safety information for the operating personnel
The SBU IO-Link may only be used in a technically flawless condition as well as for its intended purpose,
in a safety and hazard-conscious manner and in accordance with these operating instructions! All faults,
especially those that could affect safety, must be rectified immediately!
Each person assigned to the installation, commissioning, operation or maintenance of the SBU IO-Link
must have read and understood these operating instructions in their entirety –in particular the chapter
Safety information –before starting work. This especially applies to personnel who only occasionally work
on the SBU IO-Link .
No liability will be accepted for damage and accidents that occur due to disregarding the operating
instructions.
The relevant accident prevention regulations as well as the other generally recognised safety rules and
rules of occupational medicine must be followed.
The responsibilities for the various activities in the context of the operation, service and maintenance of the
SBU IO-Link must be clearly defined and adhered to. Only in this way can human errors be avoided, in
particular in dangerous situations.
The operating company must obligate the operating and maintenance personnel to wear personal
protective equipment. This includes in particular safety shoes, protective gloves, safety glasses, protective
clothes and, if necessary, ear protection and close-fitting work clothes.
Do not wear long hair hanging loose, loose clothing or jewellery! There is a fundamental risk of injury due to
being caught up, pulled in or dragged by moving parts!
If you discover safety-relevant changes to the operational behaviour of the SBU IO-Link or faults in the
SBU IO-Link , it must be shut down immediately and the occurrence is to be reported to the responsible
person!

Operating instructions - SBU IO-Link
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First aid facilities such as first aid kits, eyewash bottles, fire extinguishers, etc. are to be kept within reach!
Work may only be carried out on the SBU IO-Link by reliable, qualified personnel. The legal minimum age
must be observed!
Assign only trained or instructed personnel!
Personnel undergoing training, instruction or general education as well as apprentices may only work on
the SBU IO-Link under the constant supervision of an experienced, qualified person!
B05 Safety information for the operation of the SBU IO-Link
For all work that concerns the operation, retooling or adjustment of the SBU IO-Link and its safety devices,
as well as its inspection, maintenance and repair, the switch-on and switch-off procedures according to
these operating instructions and the information on maintenance must be observed!
The SBU IO-Link may only be put into operation in the assembled and ready-to-operate condition.
The SBU IO-Link is suitable only for operation in areas that are not at risk of explosion!
Before starting work, the personnel must familiarise themselves with the working environment around the
SBU IO-Link .
The SBU IO-Link must be checked for outwardly visible damage at regular intervals (at least once per
day). Changes (including in the operational behaviour) must be reported immediately to the responsible
foreman or the works manager.
Shut down and secure the SBU IO-Link immediately in case of malfunctions. Have malfunctions rectified
immediately by technical personnel who are trained for such work.
B06 Safety information for start-up/shutdown, service and maintenance
The operating personnel must be informed before special work and maintenance are carried out.
The prescribed intervals or those specified in the operating instructions for recurring checks, service or
maintenance must be adhered to.
Workshop equipment appropriate for the work is absolutely essential for carrying out the service and
maintenance tasks.
If necessary, illuminate service and maintenance areas with additional hand lamps or lamps mounted on
stands.
Secure the maintenance area if necessary!
To avoid electric shocks, do not touch any electrical components or damaged, torn and in particular live
parts.
During the setting and adjustment work, the support shaft with the end position cams and the remote
position indicator may rotate. Therefore, safe working on the SBU IO-Link must be ensured. An
appropriate safe distance must always be maintained.
Check the seals of the electrical housing regularly and replace them if necessary.
Clean the SBU IO-Link and its surroundings at regular intervals.
Screwed connections loosened during maintenance and repair work must always be tightened again
afterwards!
Do not stand or work under suspended loads.
If carrying out work at heights of 1.60 m or higher, safe climbing aids and working platforms or other such
equipment provided for this purpose are to be used! In the case of work platforms or work at heights
greater than 1.0 m, appropriate fall protection must be provided! Keep all grips, steps, railings, landings,
platforms and ladders free from dirt!
At the start of service, maintenance and care, free the SBU IO-Link from all dirt and residues such as oil,
operating materials or care products.
Do not use aggressive or solvent-based cleaning agents. Use lint-free cleaning cloths.
Use only water-based cleaning agents and observe the manufacturer's instructions. Do not use organic
solvents as there is a risk of fire and explosion!
Ensure safe and environmentally-friendly disposal of operating and auxiliary materials!

Operating instructions - SBU IO-Link
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Danger to life due to high voltage.
Very serious injuries due to electrocution.
The SBU IO-Link may only be connected by an electrician.
Switch the SBU IO-Link off and secure it against being switched on again.
DANGER
Danger due to rotating components.
Very serious injuries due to being crushed, pulled in, caught up or trapped as
well as due to abrasion, grazing and cutting.
Assembly, disassembly, setting and adjustment work may be carried out only by
technical personnel.
A safe distance must be maintained to rotating parts.
Observe the accident prevention regulations.
DANGER

Operating instructions - SBU IO-Link
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B07 Safety information for working on the electrical system
The operating voltage required for the system may result in very serious injuries or even death if live parts
are touched. If a short circuit occurs there is a danger of sparks being generated, leading to a fire.
The system connection must be adequately dimensioned in order to prevent overloads. Switch the SBU IO-
Link off immediately in case of faults in the electricity supply.
It is forbidden to work on live active parts of the SBU IO-Link .
The SBU IO-Link must be in a safe condition and is to be kept in this condition. The SBU IO-Link must be
inspected regularly. Defects such as loose connections, etc. must be reported and rectified immediately.
The switch box is to be kept closed at all times. Only authorised personnel are allowed access to it for
inspection and maintenance.
The SBU IO-Link must be protected against indirect contact in accordance with its voltage, type of use and
place of operation so that protection against hazardous contact voltages exists in the case of a fault in the
SBU IO-Link .
Electrostatic charging may occur due to friction of the media in the pipeline and due to the possibly high
pressures. This charging can adversely affect the SBU IO-Link . The SBU IO-Link must therefore be
adequately earthed.
Operational malfunction due to electrostatic charging.
Malfunctions of, or damage to components.
The SBU IO-Link may only be connected by an electrician.
The SBU IO-Link must be earthed.
WARNING
Danger to life due to high voltage.
Very serious injuries or death due to electrocution or effects on medical
implants.
Risk of falling due to electric shock.
The SBU IO-Link may only be connected by an electrician.
Switch the SBU IO-Link off and secure it against being switched on again.
DANGER

Operating instructions - SBU IO-Link
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Danger due to rotating components.
Very serious injuries due to being crushed, pulled in, caught up or trapped as
well as due to abrasion, grazing and cutting.
Assembly, disassembly, setting and adjustment work may be carried out only by
technical personnel.
A safe distance must be maintained to rotating parts.
Observe the accident prevention regulations.
DANGER
Use personal protective equipment.
When dealing with hazardous materials, the personal protective equipment
specified in the safety data sheets must be used.
Use the personal protective equipment.
NOTE

Operating instructions - SBU IO-Link
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B08 Residual hazards
The hazards emanating from the SBU IO-Link occur when working inside the actual limits of the SBU IO-
Link if you have to put the SBU IO-Link into operation for work, e.g. in the case of:
maintenance.
retooling.
fault-finding and troubleshooting.
When carrying out service work, retooling or maintenance in which you have to put the SBU IO-Link into
operation, enlist the help of a second person who can switch the SBU IO-Link off in an emergency.
Work with extreme care and attentiveness.
A residual risk remains when operating the SBU IO-Link even when all safety regulations are followed. All
persons who work on and with the SBU IO-Link must be aware of the residual risks and follow the
instructions designed to prevent these residual risks leading to accidents or damage.
Danger due to missing safety devices.
Very serious injuries due to moving components.
If safety devices have to be dismounted or disabled for setup and tooling work,
all work must be carried out with deliberation and care!
Any kind of routine in the operating sequence is to be avoided!
DANGER
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