TR-Electronic LP-46-K User manual

TR - ELA - BA - GB - 0021 - 04 06/26/2018
User Manual
_Basic safety instructions
_Intended use
_Product description
_Technical data
_Explosion protection characteristics
_Assembly
TR-Explosionsschutzgehäuse
A*V70
A*W70
A**88
Explosion Protection Enclosure
with
integrated measuring system
Explosion Protection Enclosure - Type
_
LP-46 (K)
Translation of the original manual
II 3 G Ex nAc IIB T5 X
II 3 D Ex tc IIIB T95°C IP64 X
Date of manufacture: DD.MM.YYYY
Stock photo
II 3 G Ex nAc IIC T5 X
II 3 D Ex tc IIIC T95°C IP64 X
Date of manufacture: DD.MM.YYYY

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TR-Electronic GmbH
D-78647 Trossingen
Eglishalde 6
Tel.: [phone]
Fax: [phone]
E-mail: [e-mail]
http://www.tr-electronic.de
Copyright
This manual, including the therein contained images, is protected by copyright. Third
party usage of this manual, which deviates from copyright provisions, is prohibited.
Reproduction, translation as well as electronic and photo
graphic archiving or
modification requires the author's written authorization. Infringements will lead to
liability for damage compensation.
The right to amendment is reserved
The right to make any changes in the interest of technical progress is reserved.
Document information
Edition-/Rev.-Date: 06/26/2018
Document-/Rev.-No.: TR - ELA - BA - GB - 0021 - 04
File name: TR-ELA-BA-GB-0021-04.DOC
Author: MÜJ
Text
Cursive or bold text represents the title of a document or is used for emphasis.
Courier-
text shows text which is visible on the display or screen as well as
software menu-selections.
″< > ″refers to keys on your computer keyboard (e.g. <RETURN>).

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Table of contents
Table of contents................................................................................................................................ 3
Amendment-index.............................................................................................................................. 5
1 General ............................................................................................................................................. 6
1.1 Scope...................................................................................................................................... 6
1.2 Relevant directives and standards ......................................................................................... 7
1.3 Used abbreviations / Terms.................................................................................................... 8
1.4 Product description................................................................................................................. 8
2 Basic safety instructions................................................................................................................ 9
2.1 Symbol- and note definition.................................................................................................... 9
2.2 Obligation of the operator prior to commissioning.................................................................. 10
2.3 General dangers with the use of this product......................................................................... 10
2.4 Intended use........................................................................................................................... 11
2.5 Non-intended use ................................................................................................................... 11
2.6 Warranty and liability .............................................................................................................. 12
2.7 Organizational measures........................................................................................................ 12
2.8 Personnel selection and -qualification; basic obligations....................................................... 13
2.8.1 Electrical installations design, device selection and erection................................. 13
2.8.2 Inspection, maintenance and repair ....................................................................... 13
2.9 First commissioning / Commissioning.................................................................................... 14
2.10 Assembly, installation and dismantling................................................................................. 14
2.11 Inspection, maintenance and repair..................................................................................... 15
2.12 Special conditions for safe use, marking "X"........................................................................ 16
3 Transport / Storage ......................................................................................................................... 17
4 Technical data.................................................................................................................................. 18
4.1 Power supply.......................................................................................................................... 18
4.2 Mechanical characteristics ..................................................................................................... 18
4.3 Environmental conditions........................................................................................................ 18
4.4 Enclosure materials................................................................................................................ 19
4.5 Explosion protection characteristics....................................................................................... 20
4.5.1 Ex-labeling, gas ...................................................................................................... 20
4.5.2 Ex-labeling, dust ..................................................................................................... 21
5 Assembly.......................................................................................................................................... 22
5.1 Mechanics profile- housing design......................................................................................... 22

Table of contents
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6 Equipotential bonding conductor - Connection........................................................................... 23
7 Disposal............................................................................................................................................ 24
8 Annex................................................................................................................................................ 25
8.1 EU declaration of conformity .................................................................................................. 25
8.2 Accessories ............................................................................................................................ 26
8.3 Interface-specific user manual................................................................................................ 26

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Amendment-index
Amendment Date Index
First edition 02/13/17 02
Analog variant added 04/26/17 03
EU declaration of conformity updated 06/26/18 04

General
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1 General
This -User manual contains all relevant explosion-safety information and includes
the following topics:
•Basic safety instructions
•Intended use
•Product description
•Technical data
•Explosion protection characteristics
•Assembly
Since the documentation has a modular structure, this -User manual represents a
supplement to the other documentation such as for example product data sheets,
dimensional drawings and leaflets etc.
The -User manual is included, but can also be ordered separately.
1.1 Scope
This -User manual applies exclusively to the following explosion protection
enclosure series:
•LP-46 (K), II 3G Ex nAc IIB T5 X II 3D Ex tc IIIB T95°C IP64 X
•LP-46 (K), II 3G Ex nAc IIC T5 X II 3D Ex tc IIIC T95°C IP64 X
The products are labelled with affixed nameplates and are components of a system.
It thus applies together with the following documentation:
•the operator's system-specific operation instructions,
•this -User manual
•and the interface-specific user manual

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1.2 Relevant directives and standards
The explosion protection enclosure is developed, constructed and finished under
compliance with the applicable European- or International standards and directives.
EU-Directive 2014/30/EU Electromagnetic compatibility
EU-Directive 2014/34/EU Equipment and protective systems intended for use in potentially explosive
atmospheres
EN 61000-6-2 EMC:
Interference immunity
EN 61000-6-3 EMC:
Interference emission
EN 60079-0 Explosive atmospheres:
General requirements
DIN EN 60079-14 Explosive atmospheres: Electrical installations design, selection and
erection
EN 60079-15 Explosive atmospheres: Equipment protection by type of
protection "n"
EN 60079-31 Explosive atmospheres: Equipment dust ignition protection by
enclosure "t"
DIN EN 60529
Degrees of protection provided by
enclosures (IP code)

General
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1.3 Used abbreviations / Terms
LP-46 Explosion protection enclosure with integrated measuring system of
the LP-46 series, type with profile-housing.
EU European Union
EMC Electromagnetic compatibility
ESD Electro Static Discharge
IEC International Electro-technical Commission
VDE Association for Electrical, Electronic & Information Technologies
1.4 Product description
The aluminum explosion protection enclosure with built-in systems and integrated
evaluation electronics serves the detection of linear movements for fixed installations.
The explosion protection enclosure has the ignition protection type
•"n": non-sparking operating equipment (potential gas-explosive atmosphere) and
•"t": protection by the enclosure (potential dust-explosive atmosphere)
Through its manner of construction, the types of ignition protection and additional
measures, the enclosure is suitable for the incorporation of non-explosion protected
installation devices such as the measuring system of the series LP-46.
The construction, as well as the interaction of the individual components and the
housing with regards to their possibilities for use in potentially explosive areas, are
tested by the company TR-Electronic GmbH and confirmed by identification with the
nameplate.

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2 Basic safety instructions
2.1 Symbol- and note definition
means that death or serious injury can occur if the required
precautions are not met.
means that minor injuries can occur if the required
precautions are not met.
means that damage to property can occur if the required
precautions are not met.
indicates important information or features and application
tips for the product used.
signifies that respective ESD-safety measures according to
DIN EN 61340-5-1 supplement 1 are to be observed.

Basic safety instructions
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2.2 Obligation of the operator prior to commissioning
As an electronic device and for use in potentially explosive areas, the explosion
protection enclosure with integrated measuring system is subject to the provisions of
the EU-directives EMC and ATEX.
Therefore commissioning of the device is only allowed once it has been established
that the system/machine in which the device is to be installed, complies with the
provisions of the EU-directives EMC and ATEX, the harmonized standards, European
standards or the respective national standards.
2.3 General dangers with the use of this product
The product, hereafter referred to as equipment is manufactured using the latest
technology and according to recognized safety regulations. Nevertheless, non-
intended use can cause danger to life and limb of the user or third parties or
cause damage to the equipment and other property!
Only use the equipment for its intended use, with safety- and danger awareness and
in compliance with the -user manual and the interface specific user manual!
The operator of an electrical system in a potentially explosive environment should
keep the equipment in a proper condition, it should be properly operated and
monitored and maintenance- as well as repairs are to be performed. This also
includes inspection of the equipment for possible transport damage prior to
commissioning.
Power connections may not be connected or disconnected with the power engaged.
Generally, wiring work as well as opening and closing of electrical connections may
only be performed with the power switched off.
The equipment may not be used in case of defects, as a basic principle it may not be
opened and dust deposits > 2 mm must be removed.

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2.4 Intended use
The equipment is used for the detection of linear movements as well as the
processing of the measurement data for a downstream control through industrial
process- and control procedures.
The equipment is a fixed-installation device for use in the Ex-Zone 2 (potentially gas-
explosive areas, Il 3 G, device protection level Gc) or 22 (areas with combustible dust
II 3 D, device protection level Dc).
The assembly takes place through the established attachment possibilities. The
electrical data provided on the nameplate, as well as the device category, temperature
class etc. for the place of use are to be observed. The operating temperature range of
the equipment is -20°C to +60°C.
Intended use also includes:
•observation of all instructions contained in this -User manual and in the
interface-specific user manual,
•observation of the nameplate and possible prohibition- or instruction labels on the
equipment,
•observation of the supplementary documentation e.g. the accompanying product
sheet, connector assignments etc.,
•observation of the machine- or system manufacturer's operating manual,
•operating of the equipment within the limits indicated in the technical data
(-User manual/interface-specific user manual).
2.5 Non-intended use
Risk of death, bodily injury or damage resulting from non-intended use of
the equipment!

Since the equipment is not a safety component according to the EC-
machine directive, a plausibility test of the measuring-system-values has to
be performed through the downstream control.
It is compulsory for the operator to incorporate the equipment into their own
safety system.
The following uses are especially prohibited:
- in environments with an explosive atmosphere of the Zones
0, 1, 20 and 21
- for medical aims
- commissioning of the equipment if the nameplate is no longer readable
or is completely missing.

Basic safety instructions
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2.6 Warranty and liability
The "General terms and conditions" (“Allgemeine Geschäftsbedingungen”) of the
company TR-Electronic GmbH apply in general. This will be available to the operator
with the contract confirmation or –conclusion at the latest. Warranty- or liability
claims with regards to personal- and property damage are excluded, if they are the
result of one or more of the following causes:
•Non-intended use of the equipment.
•Improper assembly, installation, commissioning, programming, maintenance
or dismantling of the equipment.
•Improperly executed work on the equipment by unqualified personnel.
•Operating of the equipment in the presence of technical defects.
•The performance of unauthorized mechanical or electrical modifications of the
equipment.
•The performance of unauthorized repairs
•Catastrophic incidents caused by external forces or acts of God.
2.7 Organizational measures
•The -User manual must always be kept within reach in the equipment's
operating location.
•In addition to the -User manual, the generally applicable legal regulations and
other mandatory directives for work safety, accident prevention and
environmental conservation are to be observed and conveyed.
•The applicable national-, site- and system-specific provisions and requirements
are to be observed and conveyed.
•The operator has the obligation to point out any special operational features and
requirements to the personnel.
•Before starting work, the personnel responsible for work on or with the equipment
must have read and understood the -User manual, in particular the chapter on
“Basic safety instructions”.
•The nameplate and possible affixed prohibition- or instruction labels on the
equipment must be kept in a readable condition.
•Do not perform any mechanical or electrical modifications to the equipment,
except those which are specifically described in this -User manual.
•Repairs may only be performed by the manufacturer, or by a person or body who
carries the manufacturer's authorization.

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2.8 Personnel selection and -qualification; basic obligations
2.8.1 Electrical installations design, device selection and erection
The project development of electrical systems, the selection of the devices and the
installation in potentially explosive atmospheres may only be performed by persons
whose training includes instruction in various types of ignition and installation
techniques, applicable regulations and prescriptions as well as general principles of
the Zone-classification. The persons must have the relevant competence for the type
of work to be performed.
The personnel must regularly undergo corresponding further training or courses.
For definitions on the knowledge, expertise and competence of the "responsible
persons", "manual workers" and "planners", the IEC 60079-14 or DIN EN 60079-14
standards are to be additionally consulted [suppliers e.g. Beuth Verlag GmbH, VDE-
Verlag GmbH].
2.8.2 Inspection, maintenance and repair
The inspection, maintenance and repair of electrical systems in potentially explosive
environments may only be performed by experienced personnel who have also
gained knowledge on the various types of ignition and installation procedures, the
requirements of the IEC / DIN EN 60079-17 standard, relevant national provisions and
company regulations for the system as well as on the general principles of the Zone-
classification during their training.
Personnel are to undergo appropriate further training or instruction regularly. Proof of
the relevant experience and completed training must be available.
For definitions on the knowledge, expertise and competence of the "responsible
persons", "expert person with leadership functions" and the "performing personnel",
the IEC 60079-17 or DIN EN 60079-17 standards are to be additionally consulted
[suppliers e.g. Beuth Verlag GmbH, VDE-Verlag GmbH].

Basic safety instructions
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2.9 First commissioning / Commissioning
Prior to the first commissioning the equipment is to be checked regarding its suitability
in the respective zone according to its labeling. The values indicated on the
nameplate are not to be exceeded. With use of the equipment in areas which are
potentially explosive because of dust, a deposit of dust on the top-side which is more
than 2 mm thick is not permissible. Here the installation of an additional covering may
be required in circumstances where the deposit of dust cannot be reliably avoided.
The operational safety of the equipment and the correct functional arrangement of the
equipment inside the plant must be checked before commissioning. It may only be
used in a clean and undamaged condition.
2.10 Assembly, installation and dismantling
With installation and operation of the explosion protective equipment, one should
consider protection against hazardous environmental influences which limit the
intended use of the equipment. This could be protection against aggressive fluids or
weather protection for example. During installation, the IEC 60079-14 and
DIN EN 60079-14 as well as other national standards and regulations applicable at
the installation site are to be adhered to.
The information on the nameplate must be complied with.
The assembly of the equipment takes place according to the enclosure's established
mounting possibilities, but impacts on the equipment such as from hammer blows are
to be avoided. Do not bend the sensor rod and do not install the equipment next to
magnetic fields.
In potentially explosive areas, the equipment's power supply line with mating
connector respectively the connection cable is to be routed in such a way that it is
protected from damage and mechanical failure. In case of connection cables without
mating connectors the single wires mustn´t be damaged. The maximum connection
information on the nameplate must be complied with.
Observe the information in chapter “ Special conditions for safe use, marking "X" ” on
page 16.
For metal enclosures in potentially explosive areas an equipotential line with at least
4 mm2is required.
Wiring work, opening and closing of electrical connections may only be performed
with the power switched off.
Do not perform any welding work once the equipment has already been wired and
switched on.
Touching the equipment-connection contacts with bare hands is to be avoided, or
the respective ESD-protective measures are to be implemented.

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2.11 Inspection, maintenance and repair
The operator of an electrical system in a potentially explosive environment must keep
the equipment in an good condition, operate it properly, monitor it and maintenance
and repair work must be performed, also see IEC 60079-17 and DIN EN 60079-17 in
this respect.
Maintenance work and defect repairs may only be performed by trained professionals.
Before the maintenance or repair, the specified safety precautions are to be observed.
The warning notes on the equipment and in the -User manual and the interface-
specific user manual are to be adhered to!
The applicable laws and directives are complied with before recommissioning.
•The equipment does not require any maintenanc
e by the operator.
Nevertheless, inspections must be performed at regular intervals:
•Visual inspection
- of the enclosure for damages
- of the connection cable as well as the supply line for external damages
- for dust deposits
•Type with connectors
- Checking of the connection plug for a tight fit
•Type with cable glands
- Checking of the leading-in for a tight fit
•In case of damages, the equipment is to be taken out of service immediately
and to be repaired by the manufacturer!

Basic safety instructions
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2.12 Special conditions for safe use, marking "X"
The "X" symbol in the labeling of the equipment is used to indicate special application
conditions:
The equipment's installation location and -manner are generally to be selected in such
a way that it is protected from external mechanical influences and in a way that no
function limitations can result. In order to guarantee this, in some circumstances
additional constructional measures must be realized.
Misappropriations of the equipment as
•support
•tread plank
•stirrup
•…
are prohibited.
●Type with connectors:
The mating connector must be secured against accidental disconnection through the
use of a screw locking device.
●Type with cable glands:
The connection of the free end of the supply line must either take place outside of the
potentially explosive area or within of an equipment which is permitted for the
respective device category.

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3 Transport / Storage
Transport – instructions
Do not drop the device or allow hard impacts!
The equipment consists of a magneto-resistive sensor.
Only use the original packaging!
Inappropriate packaging material may cause damage to the device during transport.
Storage
Storage temperature: -30 to +85°C
Store in a dry place

Technical data
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4 Technical data
4.1 Power supply
Rated Voltage........................................................
24 V DC
Power consumption.............................................
≤3.5 W
4.2 Mechanical characteristics
Measuring length..........................................
50…3600 mm, in steps; see nameplate
Resolution ................................
.....................
≥0.001 mm; see nameplate
Linearity error................................................
± 0.10 mm <= 1500 mm / ± 0.15 mm > 1500 mm
Reproducibility................................
..............
0.005 mm
Hysteresis......................................................
0.02 mm <= 1500 mm / 0.1 mm > 1500 mm
Temperature coefficient...............................
< 8 μm/°C <= 500 mm / < 15 ppm/°C > 500 mm
Analog variant................................
....
< 40 ppm/°C, total measuring range
Straight line velocity.....................................
no restrictions
Mounting position................................
.........
no restrictions
Material - Measuring body ...........................
Aluminium extruded profile
Magnet ................................
...........................
Slider, other on request
4.3 Environmental conditions
Vibration, DIN EN 60068-2-6
.......................
≤100 m/s2, sine 50-2000 Hz
Shock, DIN EN 60068-2-27
..........................
≤1000 m/s2, half-sine 11ms
EMC
Immunity to disturbance, DIN EN 61000-6-2
Transient emissions, DIN EN 61000-6-3
Working temperature ..................................
-20 °C…+60 °C
Storage temperature ................................
...
-30 °C…+85 °C, dry
Relative humidity, DIN EN 60068-3-4.........
98 %, non-condensing
1Protection class................................
........
IP64: Degrees of protection provided by enclosures
according to DIN EN 60529
1Observe instructions for safe use, see chapter 2.12 on page 16

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4.4 Enclosure materials
Aluminum design
Enclosure material ................................
.....
Al Mg Si 0.5 F22
Flange material................................
...........
EN AW-AlCuMg1

Technical data
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4.5 Explosion protection characteristics
4.5.1 Ex-labeling, gas
II 3G Ex nAc IIB T5 X respectively II 3G Ex nAc IIC T5 X
II 3G Ex nAc II B T5 X
II 3G Ex nAc II C T5 X
special conditions
Temperature (IEC/CENELEC)
Subgroup (IEC/CENELEC)
Group (IEC/CENELEC)
Ignition protection type (IEC/CENELEC)
Labeling (IEC/CENELEC)
Device category (ATEX)
Device group (ATEX)
Ex-labeling (ATEX)
Device group................................
................
II: potentially gas-explosive areas
Device category................................
...........
3G: Zone 2
adequate safety with normal operation
Ignition protection type
..............................
nAc: non-sparking equipment
Ex-Atmosphere cannot be ignited in case of defined
malfunction conditions
Group................................
............................
II: potentially gas-explosive areas
Subgroup
B
:................................
.........................
typical gas: Ethylene
C:................................
.........................
typical gas: Hydrogen
Temperature................................
.................
T5: max. enclosure surface-temperature ≤100 °C
Special conditions.......................................
X
: see chapter 2.12 on page 16