ATEX User Guide

Addendum to the System’s User Guide for

installation in hazardous areas

ATEX

Code 86060139
Version A02_ENG
Date 01.12.2016
 ATEX User Guide
86060139.A02_ENG

You are advised to read this document very carefully because it

contains safety information that takes priority over the system’s
User Guide.
This document contains the instructions, the information and the
specific conditions, referred by the “X“ symbol placed on the
marking label, for the safe use of the systems and have to be always taken as
reference for installing, managing or updating the ATEX marked systems.
The systems must be installed, managed and updated only by qualified personnel.
The non-compliance with the safety instructions present into this document can
result in death or serious injury.
No responsibility is assumed by ASEM S.p.A. for any consequence arising from the
improper use of the system in respect to the contents of the present document.

Electronic copies of the system’s User Guide and the ATEX User Guide are supplied
in a CD together with the system.
The electronic copies of the ATEX User Guide in Italian, English, German, French and
Spanish are available on the Internet website www.asem.it, in the ‘Download’
section of the systems webpages.

For information not included in the ATEX User Guide or for any other request on the
use and maintenance of the system, please apply to the ASEM - Customer Care
Tel. +39-0432967250
E-mail suptec@asem.it

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ATEX systems
The contents of this document are referred only to the following systems on which the ATEX marking label is present.

HMI/RT/LP30 Systems
DC Input 24Vdc, Class 2, 1A
Operating Voltage Range 18÷36 Vdc

HMI/RT/LP40 Systems
Isolated DC Input 24Vdc, Class 2, 1,7A
Operating Voltage Range 18÷36 Vdc

Permitted zones of application

Zone Type of protection Systems
HMI/RT/LP30 all models
22, dust Ex tc
HMI/RT/LP40 all models
With resistive touch screen
2, gas Ex ic nA HMI/RT/LP30-TF
HMI/RT/LP40-TF
With P-CAP projected capacitive touch screen
2, gas Ex nA HMI/RT/LP30-TFC
HMI/RT/LP40-TFM

It is important to ensure that marking on the system is compatible with the hazardous defined zone in which the
system will be installed.
ATEX compliant systems can be installed also in equipment with pressurized control cabinet as they ensure a
protection grade compatible with the requirements of the standard EN 60079-2 (Min. IP4x).
The details and the definitions of the zones and type of protections applied to the above mentioned systems are listed
in the “Markings” paragraph.

Markings
In order to consider the system as ATEX certified, two labels have to be present on its back: a general label and a
specific ATEX marking label, whose meanings are given below.

System’s general label

1 1 Model
2 Bar code
5 Serial number
3
2
4 Rating data
3 6
5 UL marking
4 7 6 CE marking
7 Disposal

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HMI/RT/LP30 system’s ATEX marking label as an example

3
1 Specific marking
“Explosion protection”
1 4
2 Warnings markings
3 Model
2 4 EN60079-31 mark

EN60079-31 mark meaning

Equipment group
Equipment category
Environment
Explosion protection
Technical standard applied / Protection type
Dust group
Dust temperature class
EPL*
Specific conditions compared to technical standard
Operation temperature

II 3 D Ex tc IIIC T 70°C Dc X 0°C≤Ta≤50°C

Normal protection level
Ignition temperature >70°C
Conductive dust
EN60079-31:2009
Dust
EPL ensured in normal operating conditions
For use in all areas except mines

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System with resistive touch screen ATEX: HMI30TF marking label as an example

3
1 Specific marking
4 “Explosion protection”
1
5 2 Warnings markings
3 Model
4 Atex gas mark
2
5 Atex dust mark

EN60079-11, EN60079-15 mark meaning

Equipment group
Equipment category
Environment
Explosion protection
Technical standard applied / Protection type
Gas group
Gas temperature class
EPL*
Specific conditions compared to technical standard

II 3 G Ex ic nA IIC T6 Gc X
Normal protection level
Ignition temperature >85°C
Hydrogen / Acetylene
EN60079-15:2010
EN60079-11:2012
Gas
EPL ensured in normal operating conditions
For use in all areas except mines

EN60079-31 mark meaning

Equipment group
Equipment category
Environment
Explosion protection
Technical standard applied / Protection type
Dust group
Dust temperature class
EPL*
Specific conditions compared to technical standard
Operation temperature

II 3 D Ex tc IIIC T 70°C Dc X 0°C≤Ta≤50°C

Normal protection level
Ignition temperature >70°C
Conductive dust
EN60079-31:2009
Dust
EPL ensured in normal operating conditions
For use in all areas except mines

*EPL: Equipment Protection Level

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System with P-CAP projected capacitive touch screen ATEX: HMI30TFC marking label as an
example

3
1 Specific marking
4 “Explosion protection”
1
5 2 Warnings markings
3 Model
4 Atex gas mark
2
5 Atex dust mark

EN60079-15 mark meaning

Equipment group
Equipment category
Environment
Explosion protection
Technical standard applied / Protection type
Gas group
Gas temperature class
EPL*
Specific conditions compared to technical standard

II 3 G Ex nA IIC T6 Gc X
Normal protection level
Ignition temperature >85°C
Hydrogen / Acetylene
EN60079-15:2010
Gas
EPL ensured in normal operating conditions
For use in all areas except mines

EN60079-31 mark meaning

Equipment group
Equipment category
Environment
Explosion protection
Technical standard applied / Protection type
Dust group
Dust temperature class
EPL*
Specific conditions compared to technical standard
Operation temperature

II 3 D Ex tc IIIC T 70°C Dc X 0°C≤Ta≤50°C

Normal protection level
Ignition temperature >70°C
Conductive dust
EN60079-31:2009
Dust
EPL ensured in normal operating conditions
For use in all areas except mines

*EPL: Equipment Protection Level

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Relevant standards
‘Ex’ marked systems are compliant with ATEX 2014/34/UE (ex 94/9/CE) directive for the use of Group II equipment,
Category 3 G D, and to the following regulations:
• EN 60079-0:2012 +A11:2013 Explosive atmospheres - Part 0: Equipment - General requirements
• EN 60079-11:2012 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety “i”
• EN 60079-15:2010 Explosive atmospheres - Part 15: Equipment protection by type of protection "n"
• EN 60079-31:2014 Explosive atmospheres - Part 31: Equipment dust ignition protection by enclosure "t"
The reference to regulations is located on a permanent label placed on systems.

SPECIFIC CONDITIONS OF USE

The compliance to the regulations is ensured only if the safety instructions in this document are strictly
followed and if equipment, on which the systems are installed, follows these conditions:
• The container where the systems are installed ensure at least these protection grades according EN 60079-0:
o IP54 for atmospheres with gas
o IP6x for atmospheres with dust
• The equipment that includes systems have to be used indoor only and in the ATEX zones declared by ASEM
on the system’s ATEX marking label.
• A label reporting all the “Warning markings” present in the system’s ATEX marking label, has to be placed on
the container where the system is installed.
• The equipment shall only be used in an area of at least pollution degree 2, as defined in IEC/EN 60664-1.
• Transient protection shall be provided that is set at a level not exceeding 140% of 90V at the supply terminals
to the equipment.
For resistive touchscreen only:
• Provision should be made to prohibit the product from being exposed to UV radiation while in use. Care
should be taken not to rub or bluff the touchscreen surface in a way that might cause the accumulation of
static charge.

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Safety instructions
Assembly, installation and operation
1. Ensure that the environment is free of hazardous gases and/or dust before connecting or disconnecting the
system.
2. To ensure the declared protection level, follow these instructions:
a) Use only components supplied with the system (hooks, fixing screws).
b) Make the mounting cut-out of the system following the instruction described into the system’s User Guide.
c) The thickness of the cut-out panel on which the system is installed has to be between 2mm and 6mm and the
surface roughness in the area of the seal has to be less than 120 micron (Rz120).
d) When you fix the system in the mounting cut-out, apply a 0,2 Nm tightening torque to the fixing screws.
e) Do not allow layers of dust to form on the system and clean it regularly.
3. Before to switch the system on, to avoid condensation, wait until the system temperature reaches the
temperature of the environment in which it is installed.
4. For connections use fixing systems (ex. screws, slides, clamps) that ensure a reliable contact even with vibrations
and ensure that all the interfaces (COM, LAN) are connected in a safe way.
5. Execute the wiring of the equipment keeping signals and power cables separated.
6. Use interconnection components like cables or other devices that meet the minimum requirements for
appropriate use (ex. Cable’s max temperature 70 °C).
7. Do not use damaged components.
8. Disposition for electrical connection:
a) Strictly follow the instructions of the system’s User Guide.
b) The systems has the polarity inversion protection. If the system does not switch on, check the connections
because the polarity can be inverted.
c) Always connect the earth on the system using the proper power supply connector terminal.
d) In case of installation of the system on metallic cabinet, ensure the connection between the system earth and
the cabinet earth.
9. After the system installation you have to place on the equipment, in a clearly visible position, a label with the
rating data present on the system’s general label.

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Operating instructions
1. Avoid overheating following these rules:
a) Install the system away from direct light sources.
b) Do not cover the aeration holes on the system.
c) Ensure that inside the equipment in which the system is installed,
there is sufficient air flow. Minimum distances of free space
needed around the system are:
• 15mm on X axis in both directions
• 50mm on Y axis in both directions
• 100mm on Z axis.
d) Install the system in vertical position and in an environment with
0°C ÷ 50°C operating temperature range (both internally and
externally to the equipment on which the system is installed).
2. In case of partial or total system damage, switch off immediately the
equipment and change the system. Cuts or slits on the touch-screen
front foil are considered damages compromising the defined
protection grade.
3. The USB connectors have not anti-removable tools, consequently the use in hazardous area of USB ports on the
rear of the systems is allowed only if the connected devices are blocked by fixing tools (ex: bands) that avoid the
removal during the operation.

Disassembly and maintenance

1. Switch off the equipment before to carry out maintenance services on the system.
2. To avoid electrostatic charge on the system, use only specific EPA zone cleaning products and damp cloths. For
the front panels cleaning, refers to the “Chemical resistance” paragraph.
3. Before to reassemble the system into the equipment, ensure that:
a) There are no changes in the mechanical or electrical features.
b) The seal ensures the defined protection grade.
c) The fixing tools are in good conditions and ensure the right tightening.
4. For battery substitution refer to the system’s User Guide.

If any component is in poor conditions, immediately contact ASEM Support address listed at the end of this document.

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Chemicals resistance
The front panels of HMI/RT/LP30TF and HMI/RT/LP40TF models resist, according to DIN 42 115 part 2 test method, to
the exposure for more than 24h to the following chemicals without any visible change:

Trichloroethane (Genklene) Ethylacetate Perchloroethylene

iphatic hydrocarbons Fluorochlorohydrocarbons Toluene
Benzene Glycerine Triacetin
Cyclohexanol Glycol Trichloroethylene
Diethyl ether Isopropanol Xylene
Ethanol Methanol Phosphoric acid <30%
Acetaldehyde Ferric chloride <30% Potassium carbonate
Acteone Formic acid <50% Sodium hypochlorite <20%
Acetic acid <50% Hydrochloric acid <10% Sulphuric acid <10%
Sulphuric Acid 30% Hydrogen peroxide <25% Washing powders
Diacetone Alcohol Isophorone Saturated Salt Solution
1, 4 Dioxane Methyl ethyl ketone Water
DS2 Decontamination fluid Nitric acid <10%
Fabric conditioner Tetrahydrofuran
Acetonitrile Formaldehyde (37%) in water
Alkalicarbonate Linseed oil
Ammonia <32% Paraffin oil
Ammonium chloride <10% Petrol
Bichromate Silicone oil
Potassium Hydroxide (Caustic Potash) <2% Turpentine substitute
Sodium hydroxide 50%% Universal brake fluid (Castrol Girling)
Cutting oil (Hysol X) Dibasic Ester 6
Diesel oil Skydrol 500B4
Blown caster oil Lixtop
Silver Nitrate 20% Potassium ferrocyanide/
ferricyanide

The front panels of HMI/RT/LP30 and HMI/RT/LP40 models resist to the following chemicals without any visible
change:

Acetone Water-white mineral oil Ammonia cleanser

Butanone Unlead gasoline Clothing cleanser
Isopropanol Diesel fuel Vinegar
Hexane Engine oil Coffee
Turpentine Speed change oil Tea
Methanol Antibreeze Animalistic fat
Normal Saline
Salad oil

Adjustment
No special adjustment is needed for the safe use of the system. We suggest only to adjust the display contrast, if
present, to get the best view.

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USER INFORMATION
Copyright © 2016 ASEM S.p.A. All rights reserved. ASEM reserves the right to make changes,
corrections and improvements to the products and programs described at its sole discretion and
at any time, without any obligation to notify users.

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DIGITAL AUTOMATION TECHNOLOGIES

EU Declaration of conformity
°
N 1-161130

Manufacturer: ASEM S.p.A.

Address: Via Buia n. 4 - ARTEGNA (UD)

hereby declares that the products:

Families: HMl30, LP30, RT30

Types: HMI, PAC e Pane! ARM Solutions

Models: See Appendix Models

conform to the following specifications / standards:

Emissions: EN 55022:2010 - lnformation technology equipment- Radio disturbance characteristics -

Limits and methods of measurement
EN 61000-3-2:2006 +A1:2009 +A2:2009 - Limits for harmonic current emissions
EN 61000-3-3:2008 - Limitation of voltage fluctuation and flicker
(EMC Directive 2014/30/EU)

lmmunity: EN 55024:201O - lnformation technology equipment - lmmunity characteristics - Limits

and methods of measurement
EN 61000-6-2:2005 - Electromagnetic compatibility (EMC) - Part 6-2: Generic standards
- lmmunity for industriai environments
(EMC Directive 2014/30/EU)

Safety: EN 60950-1:2006 +A1:201 O +A 11:2009 +A12:2011 - lnformation technology equipment -

Safety

RoHs: EN 50581:2012 - Technical documentation for the assessment of electrical and

electronic products with respect to the restriction of hazardous substances
(RoHs Directive 2011/65/EU)

Atex: EN 60079-0:2012 +A11 :2013 - Explosive atmospheres - Part O: Equipment - Generai

requirements
EN 60079-31:2014 - Explosive atmospheres - Part 31: Equipment dust ignition
protection by enclosure "t"
(Atex Directive 2014/34/EU)

Il 3 D Ex te IIIC T 70 °C Dc X
0° Cs;Tas;50° C

Date: 30.11.2016

Name:

Position:

Signature:

ASEM S.p.A. - Via Buia, 4 - 33011 Artegna (Udine) - ITALY - Tel. +39 0432.9671 - Fax +39 0432.977465
e-mail: asem@asem.it - http://wwwasem.it - Cod. Fisc. 01678570308 - P.IVA 01678570308
Reg. Imprese Udine 01678570308 - Cap. Soc. EURO 2.500.000,00 i.v.
ASEM S.p.A.

Headquarter
Via Buia, 4
33011 Artegna (UD) Italy
Tel. +39/0432-9671
Fax. +39/0432-977465

Technical support
Tel. +39/0432-967250
e-mail: suptec@asem.it

asem@asem.it
www.asem.it