MR MSENSE BM User manual

Monitoring system
MSENSE® BM
Operating instructions
5089542/12 EN

© All rights reserved by Maschinenfabrik Reinhausen
Dissemination and reproduction of this document and use and disclosure of its content are strictly prohibited
unless expressly permitted.
Infringements will result in liability for compensation. All rights reserved in the event of the granting of patents,
utility models or designs.
The product may have been altered since this document was published.
We reserve the right to change the technical data, design and scope of supply.
Generally the information provided and agreements made when processing the individual quotations and orders
are binding.
The original operating instructions were written in German.

Table of contents
Maschinenfabrik Reinhausen GmbH 2022 35089542/12 EN MSENSE® BM
Table of contents
1 Introduction......................................................................................................................... 9
1.1 Manufacturer....................................................................................................................................... 9
1.2 Completeness..................................................................................................................................... 9
1.3 Safekeeping........................................................................................................................................ 9
1.4 Notation conventions .......................................................................................................................... 9
1.4.1 Hazard communication system .............................................................................................................................9
1.4.2 Information system..............................................................................................................................................11
1.4.3 Instruction system ...............................................................................................................................................11
1.4.4 Typographic conventions ....................................................................................................................................12
2 Safety................................................................................................................................. 13
2.1 Appropriate use ................................................................................................................................ 13
2.2 Inappropriate use.............................................................................................................................. 14
2.3 Fundamental safety instructions....................................................................................................... 14
2.4 Personnel qualification...................................................................................................................... 16
2.5 Personal protective equipment ......................................................................................................... 17
3 IT security.......................................................................................................................... 19
3.1 General............................................................................................................................................. 19
3.2 Commissioning ................................................................................................................................. 19
3.3 Operation.......................................................................................................................................... 20
3.4 Interfaces.......................................................................................................................................... 20
3.5 Encryption standards........................................................................................................................ 23
4 Product description.......................................................................................................... 26
4.1 MSENSE®BM monitoring system versions..................................................................................... 26
4.2 Scope of delivery .............................................................................................................................. 26
4.3 Function description of MSENSE® BM-C......................................................................................... 26
4.4 Function description of MSENSE® BM-T......................................................................................... 27
4.5 Performance features ....................................................................................................................... 28
4.6 Operating modes .............................................................................................................................. 29
4.7 Design............................................................................................................................................... 30
4.7.1 Bushing adapter and bushing coupling unit ........................................................................................................31
4.7.2 Control cabinet ....................................................................................................................................................31
4.7.3 ISM® assemblies ................................................................................................................................................32

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5 Packaging, transport and storage .................................................................................. 44
5.1 Packaging......................................................................................................................................... 44
5.1.1 Suitability.............................................................................................................................................................44
5.1.2 Markings..............................................................................................................................................................45
5.2 Transportation, receipt and handling of shipments........................................................................... 46
5.3 Storage of shipments........................................................................................................................ 47
5.4 Unpacking shipments and checking for transportation damages ..................................................... 48
6 Mounting ........................................................................................................................... 51
6.1 Preparation ....................................................................................................................................... 51
6.2 Installing the bushing adapter........................................................................................................... 52
6.3 Installing the bushing coupling unit................................................................................................... 55
6.4 Mounting the control cabinet............................................................................................................. 57
6.5 Installing the cap rail modules .......................................................................................................... 61
6.5.1 Minimum distances .............................................................................................................................................61
6.5.2 Fastening the cap rail..........................................................................................................................................62
6.5.3 Installing the bus rail on the cap rail....................................................................................................................63
6.5.4 Installing the assembly at a distance on the cap rail...........................................................................................64
6.5.5 Wiring the CPU I / CPU II assembly....................................................................................................................65
6.5.6 Wiring the UI assembly .......................................................................................................................................67
6.5.7 Wiring the DIO assembly ....................................................................................................................................69
6.5.8 Wiring the MC 2-2/SW3-3 assembly ...................................................................................................................73
6.5.9 Wiring the QS3.241 assembly.............................................................................................................................76
6.6 Connecting the device ...................................................................................................................... 79
6.6.1 Cable recommendation .......................................................................................................................................79
6.6.2 Information about connecting serial interfaces RS232 and RS485 (with 9-pin data cable) ................................79
6.6.3 Information about connecting serial interfaces RS232 and RS485 (with RJ45 data cable)................................81
6.6.4 Information about laying fiber-optic cable ...........................................................................................................82
6.6.5 Connecting the bushing adapter to the bushing coupling unit ............................................................................83
6.6.6 Connecting the bushing coupling unit to the control cabinet...............................................................................84
6.6.7 Connecting the voltage transformers for the reference system ..........................................................................87
6.6.8 Connecting additional leads (optional) ................................................................................................................89
6.6.9 Connecting the power supply..............................................................................................................................91
6.7 Checking functional reliability ........................................................................................................... 92
7 Commissioning................................................................................................................. 93
7.1 Determining the capacitance of the bushings with BM-C ................................................................. 93

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7.2 Determining the capacitance and dissipation factor of the bushings with BM-T............................... 93
7.3 Setting the language......................................................................................................................... 93
7.4 Setting date and time........................................................................................................................ 94
7.5 Setting the parameters ..................................................................................................................... 94
7.5.1 Commissioning wizard ........................................................................................................................................94
7.5.2 Setting the parameters manually ........................................................................................................................95
7.6 Performing standardization............................................................................................................... 97
7.7 Performing tests................................................................................................................................ 97
7.7.1 Ground test .........................................................................................................................................................97
7.7.2 Performing function tests ....................................................................................................................................98
7.7.3 High-voltage tests on the transformer .................................................................................................................98
7.7.4 Dielectric tests on transformer wiring ..................................................................................................................99
8 Operation......................................................................................................................... 100
8.1 Establishing a connection to the visualization (with CPU I / CPU II) .............................................. 100
8.2 Establishing a connection to the visualization (with CPU / COM-ETH) .......................................... 101
8.3 Operating concept .......................................................................................................................... 103
8.4 General........................................................................................................................................... 105
8.4.1 Setting general device functions .......................................................................................................................106
8.4.2 Set up automatic logout ....................................................................................................................................107
8.4.3 Activating/deactivating service user access......................................................................................................108
8.4.4 Setting SNMP....................................................................................................................................................109
8.5 Configuring the network.................................................................................................................. 110
8.6 MQTT.............................................................................................................................................. 113
8.7 Setting the device time ................................................................................................................... 115
8.8 Configuring syslog .......................................................................................................................... 118
8.9 SCADA ........................................................................................................................................... 120
8.9.1 Configuring IEC 61850 (optional)......................................................................................................................120
8.9.2 Configuring IEC 60870-5-101 (optional) ...........................................................................................................122
8.9.3 Configuring IEC 60870-5-103 (optional) ...........................................................................................................125
8.9.4 Configuring IEC 60870-5-104 (optional) ...........................................................................................................127
8.9.5 Configuring Modbus (optional) ..........................................................................................................................129
8.9.6 Configuring DNP3 (optional) .............................................................................................................................131
8.9.7 Configure data points (optional) ........................................................................................................................133
8.10 Setting the measured value recorder.............................................................................................. 141

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8.11 Linking signals and events.............................................................................................................. 142
8.11.1 Linking digital outputs........................................................................................................................................142
8.11.2 Linking control system messages .....................................................................................................................143
8.12 Setting the transformer data for the reference system (optional) ................................................... 145
8.13 Circuit breaker monitoring............................................................................................................... 146
8.14 Configuring bushing monitoring...................................................................................................... 146
8.14.1 Set the field designation....................................................................................................................................146
8.14.2 Configuring capacitance monitoring..................................................................................................................147
8.14.3 Configuring dissipation factor monitoring (MSENSE® BM-T)...........................................................................151
8.14.4 Sum current method..........................................................................................................................................154
8.15 Displaying the state of the bushings............................................................................................... 156
8.16 Displaying the capacitance progression ......................................................................................... 157
8.17 Show dissipation factor curve (MSENSE® BM-T).......................................................................... 157
8.18 Displaying sum current information ................................................................................................ 158
8.19 Displaying measured value recorder (optional) .............................................................................. 159
8.20 Configuring digital inputs and outputs............................................................................................. 160
8.21 Event management......................................................................................................................... 162
8.21.1 Displaying and acknowledging events ..............................................................................................................162
8.21.2 Configuring events ............................................................................................................................................163
8.21.3 Displaying event memory..................................................................................................................................164
8.21.4 Exporting the event messages overview...........................................................................................................165
8.22 User administration......................................................................................................................... 166
8.22.1 User roles..........................................................................................................................................................166
8.22.2 Changing the password ....................................................................................................................................167
8.22.3 Creating, editing and deleting users..................................................................................................................168
8.22.4 Setting access rights to parameters and events ...............................................................................................170
8.22.5 User authentication via RADIUS (optional) .......................................................................................................171
8.23 Information about device ................................................................................................................ 174
8.23.1 Hardware...........................................................................................................................................................174
8.23.2 Software ............................................................................................................................................................174
8.24 Import/export manager ................................................................................................................... 176
8.24.1 Exporting data ...................................................................................................................................................176
8.24.2 Importing data (software version 3.753 and later).............................................................................................177
8.25 Configuring media converter with managed switch ........................................................................ 179
8.25.1 Commissioning..................................................................................................................................................179
8.25.2 Configuration.....................................................................................................................................................180

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8.26 Transformer Personal Logic Editor (TPLE)..................................................................................... 182
8.26.1 Function ............................................................................................................................................................182
8.26.2 Configuring TPLE..............................................................................................................................................195
9 Inspection and maintenance ......................................................................................... 199
9.1 Care................................................................................................................................................ 199
9.2 Inspection ....................................................................................................................................... 199
9.3 Maintenance ................................................................................................................................... 199
10 Fault elimination ............................................................................................................. 200
10.1 General faults ................................................................................................................................. 200
10.2 Signal lights and digital outputs ...................................................................................................... 200
10.3 Human-machine interface............................................................................................................... 201
10.4 Other faults ..................................................................................................................................... 201
11 Uninstallation.................................................................................................................. 203
11.1 Removing the control cabinet ......................................................................................................... 203
11.2 Removing the bushing adapter and bushing coupling unit............................................................. 205
12 Disposal........................................................................................................................... 206
13 Technical data................................................................................................................. 207
13.1 Bushing adapter.............................................................................................................................. 207
13.2 Bushing coupling unit...................................................................................................................... 210
13.3 Connection cable............................................................................................................................ 211
13.4 Control cabinet................................................................................................................................ 211
13.5 ISM® assemblies............................................................................................................................ 212
13.5.1 Connection terminals ........................................................................................................................................212
13.5.2 Power supply.....................................................................................................................................................212
13.5.3 Central processing unit .....................................................................................................................................213
13.5.4 Voltage measurement and current measurement.............................................................................................218
13.5.5 Digital inputs and outputs..................................................................................................................................221
13.5.6 Analog inputs and outputs.................................................................................................................................231
13.5.7 System networking............................................................................................................................................235
14 Appendix ......................................................................................................................... 239
14.1 Measured log value of the bushings, field 1 ................................................................................... 239
14.2 Measured log value of the bushings, field 2 ................................................................................... 240

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14.3 Dimensional drawings..................................................................................................................... 240
14.3.1 101335000 ........................................................................................................................................................241
14.3.2 101358630 ........................................................................................................................................................242
14.3.3 101334980 ........................................................................................................................................................243
14.3.4 101358640 ........................................................................................................................................................244
Glossary .......................................................................................................................... 245
List of key words ............................................................................................................ 246

1 Introduction
Maschinenfabrik Reinhausen GmbH 2022 95089542/12 EN MSENSE® BM
1 Introduction
This technical file contains detailed descriptions on the safe and proper in-
stallation, connection, commissioning and monitoring of the product.
It also includes safety instructions and general information about the prod-
uct.
This technical file is intended solely for specially trained and authorized per-
sonnel.
1.1 Manufacturer
Maschinenfabrik Reinhausen GmbH
Falkensteinstrasse 8
93059 Regensburg
Germany
Tel.: [phone]
E-mail: [email protected]
Internet: www.reinhausen.com
MR Reinhausen customer portal: https://portal.reinhausen.com
Further information on the product and copies of this technical file are avail-
able from this address if required.
1.2 Completeness
This technical file is incomplete without the supporting documents.
The following documents are considered supporting documents:
▪ Operating instructions
▪ Connection diagrams
1.3 Safekeeping
Keep this technical file and all supporting documents ready at hand and ac-
cessible for future use at all times.
1.4 Notation conventions
1.4.1 Hazard communication system
Warnings in this technical file are displayed as follows.
1.4.1.1 Warning relating to section
Warnings relating to sections refer to entire chapters or sections, sub-sec-
tions or several paragraphs within this technical file. Warnings relating to
sections use the following format:

1 Introduction
Maschinenfabrik Reinhausen GmbH 202210 5089542/12 ENMSENSE® BM
WARNING Type of danger!
Source of the danger and outcome.
► Action
► Action
1.4.1.2 Embedded warning information
Embedded warnings refer to a particular part within a section. These warn-
ings apply to smaller units of information than the warnings relating to sec-
tions. Embedded warnings use the following format:
DANGER! Instruction for avoiding a dangerous situation.
1.4.1.3 Signal words and pictograms
The following signal words are used:
Signal word Definition
DANGER Indicates a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING Indicates a hazardous situation which, if not avoided, could result
in death or serious injury.
CAUTION Indicates a hazardous situation which, if not avoided, could result
in minor or moderate injury.
NOTICE Indicates measures to be taken to prevent damage to property.
Table1: Signal words in warning notices
Pictograms warn of dangers:
Pictogram Definition
Warning of a danger point
Warning of dangerous electrical voltage
Warning of combustible substances

1 Introduction
Maschinenfabrik Reinhausen GmbH 2022 115089542/12 EN MSENSE® BM
Pictogram Definition
Warning of danger of tipping
Warning of danger of crushing
Table2: Pictograms used in warning notices
1.4.2 Information system
Information is designed to simplify and improve understanding of particular
procedures. In this technical file it is laid out as follows:
Important information.
1.4.3 Instruction system
This technical file contains single-step and multi-step instructions.
Single-step instructions
Instructions which consist of only a single process step are structured as fol-
lows:
Aim of action
üRequirements (optional).
► Step 1 of 1.
ðResult of step (optional).
ðResult of action (optional).
Multi-step instructions
Instructions which consist of several process steps are structured as follows:
Aim of action
üRequirements (optional).
1. Step 1.
ðResult of step (optional).

1 Introduction
Maschinenfabrik Reinhausen GmbH 202212 5089542/12 ENMSENSE® BM
2. Step 2.
ðResult of step (optional).
ðResult of action (optional).
1.4.4 Typographic conventions
Typographic convention Purpose Example
UPPERCASE Operating controls, switches ON/OFF
[Brackets] PC keyboard [Ctrl] + [Alt]
Bold Software operating controls Press Continue button
…>…>… Menu paths Parameter > Control parameter
Italics System messages, error messages,
signals
Function monitoring alarm triggered
[► Number of pages] Cross reference [► Page 41].
Dotted underscore
.............................................
Glossary entry, abbreviations, defini-
tions, etc.
Glossary entry
........................
Table3: Typographic conventions used in this technical file

2 Safety
Maschinenfabrik Reinhausen GmbH 2022 135089542/12 EN MSENSE® BM
2 Safety
▪ Read this technical file through to familiarize yourself with the product.
▪ This technical file is a part of the product.
▪ Read and observe the safety instructions provided in this chapter.
▪ Read and observe the warnings in this technical file in order to avoid func-
tion-related dangers.
▪ The product is manufactured on the basis of state-of-the-art technology.
Nevertheless, risks to life and limb for the user or impairment of the prod-
uct and other material assets due to the function may arise in the event of
improper use.
2.1 Appropriate use
The product is a monitoring system and is used to monitor capacitance
graded bushings on power transformers of voltage levels Um = 66...420kV
(other voltage ranges available upon request). You can use the product to
detect sparkovers at partial capacitances in the bushing and to monitor ag-
ing in the bushings.
The product is designed solely for use in electrical energy systems and facili-
ties. It may only be used in compliance with the requirements and conditions
listed in this technical file as well as the warnings in this technical file and the
warnings posted on the product. This applies throughout the service life of
the product, from delivery, installation and operation to removal and dis-
posal.
The following is considered intended use:
▪ This device is intended for indoor use in non-hazardous areas and should
be operated only by qualified personnel who are familiar with its use. The
switch-off device is part of the end application.
▪ The device is intended for installation. Protection against the spread of fire
and protection against electric shock must be fulfilled in the end applica-
tion. Resistance to mechanical stress must be fulfilled in the end applica-
tion.
▪ Protect the connection to the line voltage with an overcurrent protective
device. To do so, provide a type C, K, or Z miniature circuit breaker with a
nominal current of 16 A or 20 A in the building installation.
▪ Use the product only with the bushings specified in the order.
▪ Use the product only for high-voltage bushings of a power transformer
subject to similar installation conditions and thermal loads.
▪ Use the product only for bushings of the same type (manufacturer, series,
technology, model year).
▪ Use the product only for bushings that were not previously damaged.
▪ Operate the product in accordance with this technical document, the
agreed-upon delivery conditions and the technical data.
▪ Ensure that all necessary work is performed by qualified personnel only.

2 Safety
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▪ Only use the equipment and special tools included in the scope of delivery
for the intended purpose and in accordance with the specifications of this
technical document.
▪ Only operate the product in industrial areas. Observe the notices in this
technical file regarding electromagnetic compatibility and the technical
data.
2.2 Inappropriate use
Use is considered to be inappropriate if the product is used other than as de-
scribed in the Appropriate use section. In addition, observe the following:
▪ The product is not suited for extending the permitted service life of the
bushing specified by the bushing manufacturer.
▪ The product is not a protective device. Do not use it to handle safety-re-
lated functions.
▪ Risk of explosion and fire from highly flammable or explosive gases, va-
pors, or dusts. Do not operate the product in areas at risk of explosion.
▪ The product is not intended for use in environments subject to strong cor-
rosion effects.
▪ Unauthorized or inappropriate changes to the product may lead to per-
sonal injury, material damage and operational faults. Only modify the
product after consultation with Maschinenfabrik Reinhausen GmbH.
▪ Do not connect the product components to measurement systems from
other manufacturers, because this can lead to bushing monitoring errors.
2.3 Fundamental safety instructions
To prevent accidents, malfunctions and damage as well as unacceptable ad-
verse effects on the environment, those responsible for transport, installa-
tion, operation, maintenance and disposal of the product or parts of the prod-
uct must ensure the following:
Working during operation
The product may only be operated in a sound, operational condition. Other-
wise it poses a danger to life and limb.
▪ Regularly check the operational reliability of safety equipment.
▪ Comply with the inspection work, maintenance work and maintenance in-
tervals described in this technical file.
Work area
Untidy and poorly lit work areas can lead to accidents.
▪ Keep the work area clean and tidy.
▪ Make sure that the work area is well lit.
▪ Observe the applicable laws for accident prevention in the relevant coun-
try.

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Spare parts
Spare parts not approved by Maschinenfabrik Reinhausen GmbH may lead
to physical injury, damage to the product and malfunctions.
▪ Only use spare parts that have been approved by Maschinenfabrik Rein-
hausen GmbH.
▪ Contact Maschinenfabrik Reinhausen GmbH.
Explosion protection
Highly flammable or explosive gases, vapors and dusts can cause serious
explosions and fire.
▪ Do not install or operate the product in areas where a risk of explosion is
present.
Personal protective equipment
Loosely worn or unsuitable clothing increases the danger of becoming
trapped or caught up in rotating parts and the danger of getting caught on
protruding parts. This poses a danger to life and limb.
▪ Wear appropriate personal protective equipment such as a helmet, work
gloves, etc. for the respective activity.
▪ Never wear damaged personal protective equipment.
▪ Never wear rings, necklaces, or other jewelry.
▪ If you have long hair, wear a hairnet.
Safety markings
Warning signs and safety information plates are safety markings on the
product. They are an important aspect of the safety concept.
▪ Observe all safety markings on the product.
▪ Make sure all safety markings on the product remain intact and legible.
▪ Replace safety markings that are damaged or missing.
Handling electrical components
Electrical components can be damaged by electrostatic discharge.
▪ Never touch electrical components during commissioning, operation or
maintenance work.
▪ Take suitable measures (such as covers) to ensure that personnel cannot
touch components.
▪ Wear suitable personal protective equipment.

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Handling test taps on high voltage bushings
Test taps on high-voltage bushings must not be operated when open, as the
voltages that occur can destroy the equipment.
▪ Close the test tap (= test connection of the bushing) with the original
safety cap to ensure grounding, or:
▪ Ensure a complete installation and correct cabling for the monitoring func-
tion up to the measuring card in the control cabinet in accordance with the
section Installation [►Section 6, Page 51].
Ambient conditions
To ensure reliable and safe operation, the product must only be operated
under the ambient conditions specified in the technical data.
▪ Observe the specified operating conditions and requirements for the in-
stallation location.
Invisible laser radiation
Looking directly into the beam or the reflected beam can cause eye damage.
The beam is emitted at the optical connections or at the end of the fiber-optic
cables connected to them on the assemblies. Read the chapter "Technical
Data" [►Section 13, Page 207] for further information.
▪ Never look directly into the beam or the reflected beam.
▪ Never look into the beam with the aid of optical instruments such as a
magnifying glass or a microscope.
▪ In the event that the laser beam strikes your eyes, close your eyes imme-
diately and move your head out of the path of the beam.
Modifications and conversions
Unauthorized or inappropriate changes to the product may lead to personal
injury, material damage and operational faults.
▪ Only modify the product after consultation with Maschinenfabrik Rein-
hausen GmbH.
2.4 Personnel qualification
The person responsible for assembly, commissioning, operation, mainte-
nance and inspection must ensure that the personnel are sufficiently quali-
fied.

2 Safety
Maschinenfabrik Reinhausen GmbH 2022 175089542/12 EN MSENSE® BM
Electrically skilled person
The electrically skilled person has a technical qualification and therefore has
the required knowledge and experience, and is also conversant with the ap-
plicable standards and regulations. The electrically skilled person is also pro-
ficient in the following:
▪ Can identify potential dangers independently and is able to avoid them.
▪ Is able to perform work on electrical systems.
▪ Is specially trained for the working environment in which (s)he works.
▪ Must satisfy the requirements of the applicable statutory regulations for
accident prevention.
Electrically trained persons
An electrically trained person receives instruction and guidance from an
electrically skilled person in relation to the tasks undertaken and the poten-
tial dangers in the event of inappropriate handling as well as the protective
devices and safety measures. The electrically trained person works exclu-
sively under the guidance and supervision of an electrically skilled person.
Operator
The operator uses and operates the product in line with this technical file.
The operating company provides the operator with instruction and training
on the specific tasks and the associated potential dangers arising from im-
proper handling.
Technical Service
We strongly recommend having maintenance, repairs and retrofitting carried
out by our Technical Service department. This ensures that all work is per-
formed correctly. If maintenance is not carried out by our Technical Service
department, please ensure that the personnel who carry out the mainte-
nance are trained and authorized by Maschinenfabrik Reinhausen GmbH to
carry out the work.
Authorized personnel
Authorized personnel are trained by Maschinenfabrik Reinhausen GmbH to
carry out special maintenance.
2.5 Personal protective equipment
Personal protective equipment must be worn during work to minimize risks to
health.
▪ Always wear the personal protective equipment required for the job at
hand.
▪ Never wear damaged personal protective equipment.
▪ Observe information about personal protective equipment provided in the
work area.

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Protective clothing Close-fitting work clothing with a low tearing strength,
with tight sleeves and with no protruding parts. It mainly
serves to protect the wearer against being caught by
moving machine parts.
Safety shoes To protect against falling heavy objects and slipping on
slippery surfaces.
Safety glasses To protect the eyes from flying parts and splashing liq-
uids.
Visor To protect the face from flying parts and splashing liq-
uids or other dangerous substances.
Hard hat To protect against falling and flying parts and materials.
Hearing protection To protect against hearing damage.
Protective gloves To protect against mechanical, thermal, and electrical
hazards.
Table4: Personal protective equipment

3 IT security
Maschinenfabrik Reinhausen GmbH 2022 195089542/12 EN MSENSE® BM
3 IT security
Observe the following recommendations to operate the product safely.
3.1 General
▪ Ensure that only authorized personnel have access to the device.
▪ Only use the device within an ESP (electronic security perimeter). Do not
connect the device to the Internet in an unprotected state. Use mecha-
nisms for vertical and horizontal network segmentation and security gate-
ways (firewalls) at the transition points.
▪ Ensure that the device is only operated by trained personnel who are fa-
miliar with IT security.
▪ Check regularly whether software updates are available for the device and
perform the updates.
3.2 Commissioning
Observe the following recommendations for device commissioning:
▪ User IDs must be unique and assignable. Do not use a "Group account"
function or the "Auto login" function.
▪ Activate the "Auto logout [►Section 8.4.2, Page 107]" function.
▪ Restrict the rights of the individual user groups as much as is feasible; this
helps avoid errors during operations. A user with the "Operator" role, for
example, should only perform operations and should not be able to
change any device settings.
▪ Delete or disable the default "admin" user ID. This requires first creating a
new user account with the "Administrator" role. You can then use it to
delete or disable the default "admin" account.
▪ Deactivate service user access [►Section 8.4.3, Page 108].
▪ Enable SSL/TLS encryption [►Section 8.4, Page 105]; access to the de-
vice is then only possible using the SSL/TLS protocol. In addition to en-
crypting communication, this protocol also checks the authenticity of the
server.
▪ Use TLS version1.2 or higher wherever possible.
▪ Integrate the device into a public key infrastructure. Create your own SSL
certificates for this if necessary and then import them.
▪ Connect the device to a central log server by using the syslog interface
[►Section 8.8, Page 118].
▪ Only use the [►Section 8.4.4, Page 109]SNMP function if you can en-
sure that the communication is protected by external security equipment.
▪ Media converter with managed switch (assembly SW 3-3) [►Section
8.25, Page 179]:
– Change user account and password.
– Disable unnecessary services.

3 IT security
Maschinenfabrik Reinhausen GmbH 202220 5089542/12 ENMSENSE® BM
3.3 Operation
Observe the following recommendations during device operation:
▪ Change the password at regular intervals.
▪ Export the security log [►Section 8.24.1, Page 176] at regular intervals.
▪ Check the log files regularly for unauthorized system access and other se-
curity-related events.
▪ Media converter with managed switch (assembly SW 3-3): Check at regu-
lar intervals whether the manufacturer Belden/Hirschmann has released
an update for the product “EES 25” and, where necessary, perform a
firmware update.
3.4 Interfaces
The device uses the following interfaces for communication:
CPU
CAN 1
1
9
CAN 2
1
9
COM 1
1
9
COM 2
1
9
-
+
24V DC
RUN
INIT
ERR
USB2.0
462
A8
C
H
TEST
PROG
RUN
462
AE
0 8
C
L
ETH 1 ETH 2.1 ETH 2.2
Figure1: CPU assembly interfaces
Interface Protocol Port Description
CAN1 - - DIO assembly connection
CAN2 - - Communication with other ISM® devices
(e.g. parallel operation)
COM1 - - Internal system interface
COM2 - - Serial interface (SCADA)
USB - - Import or export of data
ETH 1 TCP 80 HTTP for web-based visualization1), 2)
ETH 1 TCP 443 HTTPS for web-based visualization2)
ETH 1 TCP 102 IEC61850
ETH 1 TCP 502 Modbus3)
ETH 1 TCP 20000 DNP33)