Siemens MTP700 Unified Comfort Administrator guide

Unified Comfort Panels Hygienic
SIMATIC HMI
HMI devices
U
nified Comfort Panels Hygienic
Compact Operating Instructions
04/2023
A5E52219907
-AA
Preface
Overview
1
Safety instructions
2
Installing and connecting
the device
3
Configuring the device
4
Maintenance and repairs
5
Technical specifications
6
Technical Support
A
List of abbreviations
B

Siemens AG
Digital Industries
Postfach 48 48
90026 NÜRNBERG
GERMANY
A5E52219907-AA
Ⓟ
04/2023 Subject to change
Copyright © Siemens AG 2023.
All rights reserved
Legal information
Warning notice system
This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent
damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert
symbol, notices referring only to property damage have no safety alert symbol. These notices shown below are
graded according to the degree of danger.
DANGER
indicates that death or severe personal injury will result if proper precautions are not taken.
WARNING
indicates that death or severe personal injury may result if proper precautions are not taken.
CAUTION
indicates that minor personal injury can result if proper precautions are not taken.
NOTICE
indicates that property damage can result if proper precautions are not taken.
If more than one degree of danger is present, the warning notice representing the highest degree of danger will
be used. A notice warning of injury to persons with a safety alert symbol may also include a warning relating to
property damage.
Qualified Personnel
The product/system described in this documentation may be operated only by personnel qualified for the specific
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Qualified personnel are those who, based on their training and experience, are capable of identifying risks and
avoiding potential hazards when working with these products/systems.
Proper use of Siemens products
Note the following:
WARNING
Siemens products may only be used for the applications described in the catalog and in the relevant technical
documentation. If products and components from other manufacturers are used, these must be recommended
or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and
maintenance are required to ensure that the products operate safely and without any problems. The permissible
ambient conditions must be complied with. The information in the relevant documentation must be observed.
Trademarks
All names identified by ® are registered trademarks of Siemens AG. The remaining trademarks in this publication
may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
Disclaimer of Liability
We have reviewed the contents of this publication to ensure consistency with the hardware and software
described. Since variance cannot be precluded entirely, we cannot guarantee full consistency. However, the
information in this publication is reviewed regularly and any necessary corrections are included in subsequent
editions.

Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 3
Preface
Scope of validity
These compact operating instructions apply to the following hygienic HMI devices, which are
based on the following Unified Comfort Panels:
Hygienic HMI device, article number
Based on HMI device, article number
MTP700 Unified Comfort Hygienic,
6AV2128-3GB40-0AX0
MTP700 Unified Comfort,
6AV2128-3GB06-0AX1
MTP700 Unified Comfort Hygienic Neutral,
6AV2128-3GB70-0AX0
MTP1000 Unified Comfort Hygienic,
6AV2128-3KB40-0AX0
MTP1000 Unified Comfort,
6AV2128-3KB06-0AX1
MTP1000 Unified Comfort Hygienic Neutral,
6AV2128-3KB70-0AX0
MTP1200 Unified Comfort Hygienic,
6AV2128-3MB40-0AX0
MTP1200 Unified Comfort,
6AV2128-3MB06-0AX1
MTP1200 Unified Comfort Hygienic Neutral,
6AV2128-3MB70-0AX0
MTP1500 Unified Comfort Hygienic,
6AV2128-3QB40-0AX0
MTP1500 Unified Comfort,
6AV2128-3QB06-0AX1
MTP1500 Unified Comfort Hygienic Neutral,
6AV2128-3QB70-0AX0
MTP1900 Unified Comfort Hygienic,
6AV2128-3UB40-0AX0
MTP1900 Unified Comfort,
6AV2128-3UB06-0AX1
MTP1900 Unified Comfort Hygienic Neutral,
6AV2128-3UB70-0AX0
MTP2200 Unified Comfort Hygienic,
6AV2128-3XB40-0AX0
MTP2200 Unified Comfort,
6AV2128-3XB06-0AX1
MTP2200 Unified Comfort Hygienic Neutral,
6AV2128-3XB70-0AX0
These compact operating instructions describe the technical differences of the "SIMATIC HMI
Hygienic" HMI devices from the corresponding Unified Comfort Panel.
The information in these compact operating instructions take precedence over the
information in the underlying operating instructions, the release notes and the online help.
You can find the underlying "Unified Comfort Panels" operating instructions on the Internet
(http://support.automation.siemens.com/WW/view/en/109795870).
Unless otherwise described in this document, the information in the underlying operating
instructions, especially in regard to connection and operation of the device, the operating
system and the project and data transfer, applies to the "SIMATIC HMI Hygienic" HMI devices.

Preface
Unified Comfort Panels Hygienic
4Compact Operating Instructions, 04/2023, A5E52219907-AA
Note
This document belongs to the device and will also be required for repeat commissioning.
Keep all supplied and supplementary documentation for the entire service life of the device.
Pass on all of these documents to a future owner of the device.
Naming conventions
Term
Applies to
System
•System
•Machining center
•
One or more machines
Device, HMI device,
hygienic HMI device •MTP700 Unified Comfort Hygienic (Neutral)
•MTP1000 Unified Comfort Hygienic (Neutral)
•MTP1200 Unified Comfort Hygienic (Neutral)
•MTP1500 Unified Comfort Hygienic (Neutral)
•MTP1900 Unified Comfort Hygienic (Neutral)
•
MTP2200 Unified Comfort Hygienic (Neutral)
In place of the full product name, the short product name without the suffix "Unified Comfort
Hygienic" is also used, for example:
"MTP700" in place of "MTP700 Unified Comfort Hygienic"
Figures
This manual contains figures for the described devices. The figures can deviate from the
particularities of the delivered device.
Elements of figures are labeled with black item numbers on a white background:
①, ②, ③, ...
Work steps within the figures are labeled according to the order in which they are to be
carried out with white numbers on a black background:
, , , ...

Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 5
Table of contents
Preface ................................................................................................................................................... 3
1 Overview................................................................................................................................................ 7
1.1 Product description.............................................................................................................. 7
1.2 Scope of delivery ................................................................................................................. 8
1.3 Layout of the devices ......................................................................................................... 10
1.4 Interfaces .......................................................................................................................... 11
1.5 Accessories........................................................................................................................ 11
2 Safety instructions............................................................................................................................... 13
2.1 Intended use ..................................................................................................................... 13
2.2 General safety instructions................................................................................................. 13
2.3 Security management for HMI devices ............................................................................... 15
2.4 Data protection.................................................................................................................. 16
2.5 Notes about usage............................................................................................................. 16
2.6 Use in hazardous areas ...................................................................................................... 18
2.7 Important notes on touch screen ....................................................................................... 19
3 Installing and connecting the device .................................................................................................. 23
3.1 Preparing for installation.................................................................................................... 23
3.1.1 Checking the delivery......................................................................................................... 23
3.1.2 Checking the operating conditions..................................................................................... 23
3.1.3 Permitted mounting positions............................................................................................ 24
3.1.4 Checking clearances .......................................................................................................... 26
3.1.5 Preparing the mounting cutout .......................................................................................... 27
3.2 Mounting the device.......................................................................................................... 28
3.2.1 Notes on installation.......................................................................................................... 28
3.2.2 Positions of the mounting clips .......................................................................................... 29
3.2.3 Inserting the mounting seal ............................................................................................... 31
3.2.4 Mounting the device with clamping frame and mounting clips ........................................... 32
3.2.5 Mounting the strain relief plate.......................................................................................... 34
3.3 Connecting the device ....................................................................................................... 34
3.4 Removing the device.......................................................................................................... 34
3.5 Securing cables for use in hazardous areas ......................................................................... 35
4 Configuring the device ........................................................................................................................ 36

Table of contents
Unified Comfort Panels Hygienic
6Compact Operating Instructions, 04/2023, A5E52219907-AA
5 Maintenance and repairs..................................................................................................................... 37
5.1 General information on maintenance and servicing............................................................ 37
5.2 Cleaning and caring for the device ..................................................................................... 38
5.2.1 General information on cleaning........................................................................................ 38
5.2.2 Cleaning the device ........................................................................................................... 39
5.2.3 Working with pressure washers.......................................................................................... 40
5.2.4 Working with stainless steel surfaces.................................................................................. 42
5.2.5 Chemical Resistance .......................................................................................................... 43
5.3 Spare parts and repairs ...................................................................................................... 44
5.4 Recycling and disposal ....................................................................................................... 44
6 Technical specifications....................................................................................................................... 45
6.1 Software license agreements ............................................................................................. 45
6.2 Labels, certificates and approvals ....................................................................................... 45
6.3 Electromagnetic compatibility............................................................................................ 49
6.4 Mechanical ambient conditions.......................................................................................... 51
6.4.1 Storage conditions............................................................................................................. 51
6.4.2 Operating conditions ......................................................................................................... 51
6.5 Climatic ambient conditions............................................................................................... 52
6.5.1 Long-term storage ............................................................................................................. 52
6.5.2 Transport and short-term storage....................................................................................... 52
6.5.3 Operating Conditions......................................................................................................... 53
6.6 Information on insulation tests, protection class and degree of protection.......................... 53
6.7 Dimension drawings .......................................................................................................... 55
6.7.1 MTP700 Unified Comfort Hygienic ..................................................................................... 55
6.7.2 MTP1000 Unified Comfort Hygienic ................................................................................... 56
6.7.3 MTP1200 Unified Comfort Hygienic ................................................................................... 57
6.7.4 MTP1500 Unified Comfort Hygienic ................................................................................... 58
6.7.5 MTP1900 Unified Comfort Hygienic ................................................................................... 59
6.7.6 MTP2200 Unified Comfort Hygienic ................................................................................... 60
6.8 Technical specifications ..................................................................................................... 61
6.8.1 MTP700, MTP1000, MTP1200 Unified Comfort Hygienic..................................................... 62
6.8.2 MTP1500, MTP1900, MTP2200 Unified Comfort Hygienic................................................... 63
A Technical Support................................................................................................................................ 64
A.1 Service and support ........................................................................................................... 64
A.2 Troubleshooting ................................................................................................................ 65
A.3 Application examples and FAQs ......................................................................................... 65
A.4 System alarms ................................................................................................................... 66
A.5 Information about the manufacturer.................................................................................. 66
B List of abbreviations ............................................................................................................................ 67
B.1 Abbreviations .................................................................................................................... 67

Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 7
Overview
1
1.1 Product description
The SIMATIC HMI Unified Comfort Panels hygienic HMI devices offer a rugged front panel for
use in the food & beverage and pharmaceutical industries.
Features
•Rugged front panel with stainless steel frame, anti-shatter film and minimized grooves
and gaps in compliance with Hygienic Design Guideline DIN EN 1672-2
•Optimized frame design with minimized protrusions to the control cabinet and for
automatic runoff of liquids
•Stainless steel surface polished with grain size 240
•Degree of protection, front: IP66K 1, IP69 1 (IP69 is comparable to the former IP69K rating)
•Display and touch screen behind hardened glass with anti-shatter film
•The anti-shatter film protects against escape of glass fragments up to an impact stress of
1 x 20 J
•Chemical resistance to cleaning and disinfecting agents as described in section "Chemical
Resistance (Page 43)".
•Replaceable, foodstuff-compatible mounting gasket
•Rear clamping frame for even application of pressure on the mounting gasket
•Mounting cutout, interfaces and functionality correspond to that of the standard device
1For use in hazardous areas of Zones 2 and 22: on the front at least IP65, see section
"Information on insulation tests, protection class and degree of protection (Page 53)".

Overview
1.2 Scope of delivery
Unified Comfort Panels Hygienic
8Compact Operating Instructions, 04/2023, A5E52219907-AA
1.2 Scope of delivery
The scope of delivery of the HMI device includes the following components:
Designation
Figure
Quantity
HMI device
1
Mounting instructions
1
Power supply connector
1
Mounting gasket
1
Clamping frame
1

Overview
1.2 Scope of delivery
Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 9
Designation
Figure
Quantity
Mounting clips, stainless
steel with set screw
10
(+2)
MTP700
1
12
MTP1000
14
MTP1200, MTP1500
18
MTP1900
20
MTP2200
Strain relief element
Strain relief
1
MTP700
MTP1000
MTP1200
Plastic strain relief element
3
MTP700
MTP1000
MTP1200
Strain relief
1
MTP1500
MTP1900
MTP2200
1
The MTP700 accessory kit contains two additional short set screws. These are needed for the
mounting clips directly next to the power supply socket and USB ports if the material at the
mounting cutout is more than 1.5 mm thick. In this case, two of the long set screws are not
needed.

Overview
1.3 Layout of the devices
Unified Comfort Panels Hygienic
10 Compact Operating Instructions, 04/2023, A5E52219907-AA
1.3 Layout of the devices
This section describes the design of the HMI devices, using the MTP1500 Unified Comfort
Hygienic as an example.
Front view and side view
①Front panel, consisting of
•Stainless steel frame
•
Display with capacitive multi-touch screen and anti-shatter film
②
Recesses for mounting clips
③
Mounting gasket
Rear view
①
Position of nameplate
②Safety lock for the SD memory card slot cover
•X51: Slot for the data memory card, left
•
X50: Slot for the system memory card, right

Overview
1.4 Interfaces
Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 11
1.4 Interfaces
The figure below shows the interfaces of the HMI devices using the interface plate of devices
with display diagonal ≥15" as an example.
①
X80 power supply connector
⑥
X1 PROFINET (LAN), 10/100 Mbit
②
Connection for functional ground
⑦
X61 USB
③
X20 RS422/485 (SUB-D)
⑧
X62 USB
④
X2 PROFINET (LAN), 10/100/1000 Mbit
⑨
X63 USB
⑤
B1 button "Maintenance"
⑩
X64 USB
For devices with display diagonal ≤12 ", there is another threaded hole above the
"Maintenance" button for fixing the strain relief plate.
1.5 Accessories
An accessory kit with required accessories is included with the HMI device.
Note
This section contain
s a selection of accessories that is suitable for your HMI device. You can
find additional variants of this selection and the complete accessories portfolio for HMI
devices in the Industry Mall on the Internet
(
https://mall.industry.siemens.com/mall/en/WW/Catalog/Products/10144445). Details such as
the delivery quantity and technical specifications of accessories can be found in the Industry
Mall under the respective article numbers.
You can find an overview of the status and compatibility of the accessories portfolio in the
"Cross-list" on the Internet (https://support.industry.siemens.com/cs/ww/en/view/40466415).

Overview
1.5 Accessories
Unified Comfort Panels Hygienic
12 Compact Operating Instructions, 04/2023, A5E52219907-AA
Service packs
The following service packs with clamping frame, mounting gasket and mounting clips are
available for the hygienic HMI devices:
Designation
Article number
MTP700 Hygienic Service Pack 7”
6AV2185-4GA20-0AX0
MTP1000 Hygienic Service Pack 10”
6AV2185-4KA20-0AX0
MTP1200 Hygienic Service Pack 12”
6AV2185-4MA20-0AX0
MTP1500 Hygienic Service Pack 15”
6AV2185-4QA20-0AX0
MTP1900 Hygienic Service Pack 19”
6AV2185-4UA20-0AX0
MTP2200 Hygienic Service Pack 22”
6AV2185-4XA20-0AX0
Other accessories
Additional USB accessories can be found in the "Unified Comfort Panels
(http://support.automation.siemens.com/WW/view/en/109795870)" operating instructions
and on the Internet under the following entry:
FAQ 19188460 (https://support.industry.siemens.com/cs/ww/en/view/19188460).

Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 13
Safety instructions
2
2.1 Intended use
The SIMATIC HMI hygienic HMI devices are designed for high-performance visualization tasks
(operator control and monitoring) and ambient conditions such as those found in the food &
beverage and pharmaceutical industries.
The devices are generally designed for use near open processes (according to DIN EN 1672-2)
and are intended primarily for use in splash zones.
Any use that deviates from this intended use is prohibited. Also see the information in the
section "Cleaning the device (Page 39)".
Special attention was given in the design of the HMI devices to ensuring that the front panel
is easy to clean and, if necessary, disinfect. The devices were therefore developed based
on EN 1672-2 "Food processing machinery - Hygiene and cleanability requirements".
2.2 General safety instructions
Observe the safety and accident prevention instructions applicable to your application in
addition to the safety information given in the device documentation.
Open equipment
WARNING
The device constitutes open equipment on the back side
The device constitutes open equipment on the back side. This means that you must
integrate the device in an enclosure or cabinet where the device is operated via its front
side. The enclosure or cabinet must provide protection against electric shock and the spread
of fire. The enclosure or cabinet must meet the requirements for mechanical strength and
the degree of protection for the relevant application.
Access to the enclosure or cabinet in which the device is installed should only be possible by
means of a key or tool and for trained and qualified personnel.

Safety instructions
2.2 General safety instructions
Unified Comfort Panels Hygienic
14 Compact Operating Instructions, 04/2023, A5E52219907-AA
WARNING
Electrocution risk when control cabinet is open
When you open the control cabinet, there may be a dangerous voltage at certain areas or
components.
Touching these areas or components can cause electrocution.
De-energize the cabinet before opening it. Do not install or remove plant components
during operation.
Observe the safety and accident prevention instructions applicable to your application in
addition to the safety instructions given in the device documentation.
Safety of the plant or system
NOTICE
Safety is the responsibility of the assembler
The safety of the plant or system in which the device is integrated is the responsibility of the
assembler of the plant or system.
ESD
Electrostatically sensitive components include almost all electrical, electronic, optoelectronic
and electromechanical components. These components are sensitive to overvoltage for
technical reasons and their function may be impaired or destroyed by electrostatic discharge.
Observe the regulations governing the handling of ESD components.
Industrial Security
Siemens provides products and solutions with industrial security functions that support the
secure operation of plants, systems, machines and networks.
In order to protect plants, systems, machines and networks against cyber threats, it is
necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial
security concept. Siemens’ products and solutions constitute one element of such a concept.
Customers are responsible for preventing unauthorized access to their plants, systems,
machines and networks. Such systems, machines and components should only be connected
to an enterprise network or the internet if and to the extent such a connection is necessary
and only when appropriate security measures (e.g. firewalls and/or network segmentation)
are in place.
For additional information on industrial security measures that may be implemented, please
visit (https://www.siemens.com/industrialsecurity).

Safety instructions
2.3 Security management for HMI devices
Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 15
Siemens’ products and solutions undergo continuous development to make them more
secure. Siemens strongly recommends that product updates are applied as soon as they are
available and that the latest product versions are used. Use of product versions that are no
longer supported, and failure to apply latest updates may increase customer’s exposure to
cyber threats.
To stay informed about product updates, subscribe to the Siemens Industrial Security RSS
Feed under (https://www.siemens.com/cert).
Disclaimer for third-party software updates
This product includes third-party software. Siemens AG only provides a warranty for
updates/patches of the third-party software, if these have been distributed as part of a
Siemens software update service contract or officially released by Siemens AG. Otherwise,
updates/patches are undertaken at your own risk. You can find more information about our
Software Update Service offer on the Internet at Software Update Service
(https://support.industry.siemens.com/cs/ww/en/view/109759444).
Notes on protecting administrator accounts
A user with administrator privileges has extensive access and manipulation options in the
system.
Therefore, ensure there are adequate safeguards for protecting the administrator accounts to
prevent unauthorized changes. To do this, use secure passwords and a standard user account
for normal operation. Other measures, such as the use of security policies, should be applied
as needed.
2.3 Security management for HMI devices
Data security
Data from external sources
The HMI device has external interfaces and can be connected to the Internet. Edge
management allows you to install apps from any source.
Data from untrusted sources represents a significant security risk.
Customers are responsible for transferring only data from trusted sources to the HMI device
and only opening trusted files and web pages on the HMI device.
Entering passwords
If you enter passwords via an external keyboard, they can be logged and passed on unnoticed
via a keylogger.
Use only the screen keyboard of the HMI device to input passwords.

Safety instructions
2.4 Data protection
Unified Comfort Panels Hygienic
16 Compact Operating Instructions, 04/2023, A5E52219907-AA
Data backup to external data storage media
Data from the HMI device can be saved on USB or SD storage media via the external
interfaces.
Customers are responsible for protecting HMI device data stored on external storage media
against unauthorized access. For example, use a suitable encryption or password protection
for external storage media. Store the external storage media in a safe place.
Additional information
You can find additional information on security management of HMI devices on the Internet
at the following address:
Panel Security Guidelines (https://support.industry.siemens.com/cs/de/en/view/109481300)
2.4 Data protection
Siemens observes the data protection guidelines, especially the requirements regarding data
minimization (privacy by design). This means the following for this SIMATIC product: The
product does not process / save any personal information, but only technical functional data
(e.g. time stamps). If the user links this data to other data (e.g. shift plans) or if the user saves
personal information on the same medium (e.g. hard disk) and therefore creates a personal
reference in the process, the user has to ensure meeting the guidelines regarding data
protection.
2.5 Notes about usage
NOTICE
The HMI device is approved for indoor use only.
The HMI device may be damaged if it is operated outdoors.
Operate the HMI device indoors only.
Note
Operate the device only in a normal atmospheric
environment
The technical characteristics of the device described in the operating instructions are
guaranteed if you operate the device in normal ambient air conditions with usual air
composition.
Note
The device is intended for operation in an
SELV/PELV circuit according to IEC/EN 61131 or
IEC/EN
61010-2-
201 in a dry environment, which means a dry environment on the rear of the
device.
Additional information is available in the section "Operating Conditions (Page 53)".

Safety instructions
2.5 Notes about usage
Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 17
Industrial applications
The HMI device is designed for industrial applications. It conforms to the following standards:
•Requirements for interference emissions EN IEC 61000-6-4:2019
•Requirements for interference immunity EN IEC 61000-6-2:2019
Use in mixed-use zone
Under certain circumstances you can use the HMI device in a mixed-use zone. A mixed-use
zone is used for housing and commercial operations that do not have a significant impact on
residents.
When you use the HMI device in a mixed-use zone, you must ensure that the limits of the
generic standard EN 61000-6-3 regarding emission of radio frequency interference are
observed. Suitable measures for achieving these limits for use in a mixed-use zone include:
•Installation of the HMI device in grounded control cabinets
•Use of filters in electrical supply lines
Individual acceptance is required.
Use in residential areas
Note
HMI device not intended for use in residential area
The HMI device is not intended for use in residential areas. Operation of an HMI device in
residential areas can have a negative influence on radio or TV reception.
Use with additional measures
The HMI device should not be used at the following locations unless additional measures are
taken:
•In locations with a high degree of ionizing radiation
•In locations with severe operating conditions, for example, due to:
–Corrosive vapors, gases, oils or chemicals
–Strong electrical or magnetic fields of high intensity
•At locations that require special monitoring, e.g. in:
–Elevators
–Highly hazardous areas

Safety instructions
2.6 Use in hazardous areas
Unified Comfort Panels Hygienic
18 Compact Operating Instructions, 04/2023, A5E52219907-AA
TFT displays
NOTICE
Burn-in effect
A permanently displayed two-color or multi-color picture can cause a burn-in effect, i.e. the
picture remains dimly visible for a certain period of time. The longer the image is burned in,
the longer the image will last. In extreme cases, the image is permanently displayed.
The image outline usually disappears on its own when the screen remains switched off for
some time. Screensavers that use active black when the backlight is on reduce the burn-in
effect.
Note
Backlight
The brightness of the backlight decreases incrementally during operational life. You can
extend the service life of the display and backlight by taking the following measures:
•
Reduce the backlight.
•
Observe the operating hours of the backlight, see section "Technical specifications
(Page 61)".
2.6 Use in hazardous areas
The following warnings apply to operating a device with Ex approval in hazardous areas.
WARNING
Explosion Hazard
Do not disconnect while circuit is live unless area is known to be non-hazardous.
Substitution of components may impair suitability for Class I, Division 2 or Zone 2.
Risque d'Explosion
Ne pas déconnecter pendant que le circuit est sous tension, sauf si la zone est non-
dangereuse. Le remplacement de composants peut compromettre leur capacité à satisfaire
à la Classe I, Division 2 ou Zone 2.

Safety instructions
2.7 Important notes on touch screen
Unified Comfort Panels Hygienic
Compact Operating Instructions, 04/2023, A5E52219907-AA 19
WARNING
Do not plug or pull connectors in potentially explosive atmospheres
When you plug or pull the plug-in connector during operation, there is a risk of an arcover.
An explosion can be triggered in the hazardous area due to sparkover, and death or serious
bodily injury can occur.
Pulling or plugging of plug-in connectors, for example, a 24 V DC power supply connector as
well as the memory card is prohibited in the hazardous area.
Plug or pull a plug-in connector only when one of the following two requirements is met:
The area is no longer hazardous or the device and its plug-in connections are de-energized.
To switch off the device, close all open programs or the current project, and switch off the
power to the device.
Also observe the enclosed documentation on use in hazardous areas and the information on
Ex approval in section "Labels, certificates and approvals (Page 45)".
2.7 Important notes on touch screen
You operate the capacitive multi-touch screen with one finger or with two-finger gestures.
WARNING
Explosion hazard in hazardous areas, personal injury or property damage due to
defective touch screen
Massive force applied to the front of the device is not intended use of the device and can
destroy the front panel. In hazardous areas, there is then a risk of explosion, injury and food
contamination with further consequential and health damages.
Make sure that excessive force cannot be applied to the front panel.
If the touch screen of the device is defective, follow these steps:
•Stop production.
•Immediately shut down the affected machine and label it accordingly.
•Handle any potentially contaminated product in accordance with legal regulations.
•Replace the device immediately.
•
Clean the machine before re-commissioning it.

Safety instructions
2.7 Important notes on touch screen
Unified Comfort Panels Hygienic
20 Compact Operating Instructions, 04/2023, A5E52219907-AA
WARNING
Personal injury or property damage due to no earth connection
An inadequate ground connection or the lack of one will cause malfunction of the capacitive
multi-touch screen. Functions may not work properly. This can result in personal injury or
property damage.
•Always connect the HMI device to a ground conductor.
•The ground conductor from the HMI device must be connected directly to ground with
low impedance (short connection, minimum conductor cross-section 4 mm
2
).
You can find additional information on connecting the ground conductor in section
"Equipotential bonding" of the "Unified Comfort Panels
(http://support.automation.siemens.com/WW/view/en/109795870)" operating instructions.
WARNING
Personal injury or property damage due to maloperation
Incorrect operation of touch devices cannot be ruled out. This can result in personal injury
or property damage.
Take the following precautions:
•Configure the plant so that safety-related functions are not operated with the touch
screen.
•Only carry out an operator action if a plant screen is shown on the HMI device screen.
•
Switch off the HMI device for cleaning and maintenance.
NOTICE
Damage to the touch screen
The following operation significantly reduces the service life of the touch screen and can
lead to total failure:
•Touching with pointed or sharp objects
•Shock contact with hard objects.
Only touch the touch screen with a finger or a touch pen.