Siemens SIMOTICS XP 1MB 5/6 Series User manual

OPERATING INSTRUCTIONS
www.siemens.com/drives
1MB..5/6
Shaft heights 71 ... 355
Low-voltage motors
Edition 11/2023
SIMOTICS XP

Low-voltage motors
SIMOTICS XP
1MB..5/6 shaft height 71 ... 355
Operating Instructions
For use in Zone 1 (IEC/EN/GOST 60079-10-1, GB
3836.14)
For use in Zone 21 and Zone 22 (IEC/EN/GOST
60079-10-2, GB/T 3836.35)
Translation of the original instructions
11/2023
A5E52779956A
Introduction 1
Safety information 2
Description 3
Preparations for use 4
Assembly 5
Electrical connection 6
Start-up 7
Operation 8
Maintenance 9
Spare Parts 10
Disposal 11
Technical data A
Quality documents B

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.
Quali󹪝ed Personnel
The product/system described in this documentation may be operated only by personnel quali󹪝ed for the speci󹪝c
task in accordance with the relevant documentation, in particular its warning notices and safety instructions.
Quali󹪝ed 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 Innomotics products
Note the following:
WARNING
Innomotics 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 Innomotics. 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 identi󹪝ed by ® are registered trademarks of InnomoticsGmbH. 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.
Innomotics GmbH
Vogelweiherstr. 1-15
90441 NÜRNBERG
GERMANY
Document order number:A5E52779956A
Ⓟ 12/2023 Subject to change
Copyright © Innomotics 2018 - 2023.
All rights reserved

Table of contents
1 Introduction........................................................................................................................................... 9
1.1 About SIMOTICS................................................................................................................... 9
1.2 About this manual ............................................................................................................... 9
1.2.1 Content ............................................................................................................................... 9
1.2.2 Target group ...................................................................................................................... 10
1.2.3 Avoiding dangers............................................................................................................... 11
1.2.4 Standard scope .................................................................................................................. 11
1.2.5 Websites of third-party companies...................................................................................... 11
1.3 SIMOTICS documentation .................................................................................................. 11
1.4 Service and support ........................................................................................................... 13
1.4.1 Siemens Industry Online Support on the road..................................................................... 13
1.4.2 Spare parts services ........................................................................................................... 13
1.5 Important product information .......................................................................................... 14
2 Safety information............................................................................................................................... 15
2.1 Information for those responsible for the plant/system ....................................................... 15
2.2 The 5 safety rules............................................................................................................... 15
2.3 Quali󹪝ed personnel............................................................................................................ 16
2.4 Safe handling .................................................................................................................... 16
2.5 Electromagnetic 󹪝elds when operating electrical power engineering installations ............... 18
2.6 Use in hazardous areas....................................................................................................... 18
2.7 Electrostatic sensitive devices............................................................................................. 20
2.8 Risk of explosion due to electrostatic discharge .................................................................. 21
2.9 Electromagnetic compatibility ............................................................................................ 21
2.10 Interference immunity ....................................................................................................... 21
2.11 In󹪞uence on the line power supply through a strongly irregular torque ............................... 22
2.12 Interference voltages when operating the converter........................................................... 22
2.13 Special designs and construction versions .......................................................................... 22
2.14 Special conditions for use................................................................................................... 22
2.15 Certi󹪝cate with special conditions ...................................................................................... 23
3 Description........................................................................................................................................... 27
3.1 Area of application............................................................................................................. 27
3.2 Rating plates...................................................................................................................... 28
3.3 Design............................................................................................................................... 30
3.3.1 Regulations........................................................................................................................ 30
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3.3.2 Cooling and ventilation...................................................................................................... 31
3.3.2.1 Machines with a fan........................................................................................................... 32
3.3.3 Bearings ............................................................................................................................ 32
3.3.4 Axial and radial forces ........................................................................................................ 33
3.3.5 Balancing........................................................................................................................... 33
3.3.6 Types of construction/method of installation ...................................................................... 33
3.3.7 Degree of protection.......................................................................................................... 36
3.3.8 Environmental conditions .................................................................................................. 36
3.3.9 Optional built-on and built-in accessories ........................................................................... 37
3.3.10 Marking............................................................................................................................. 38
3.3.11 Terminal box...................................................................................................................... 40
3.3.12 Paint 󹪝nish......................................................................................................................... 41
4 Preparations for use............................................................................................................................. 43
4.1 Safety-related aspects to consider when con󹪝guring the plant ............................................ 43
4.2 Observing the operating mode........................................................................................... 43
4.3 Machines without 󹪝nal paint coating.................................................................................. 43
4.4 Delivery ............................................................................................................................. 44
4.5 Transport and storage........................................................................................................ 44
4.5.1 Safety instructions for transport ......................................................................................... 44
4.5.2 Storage.............................................................................................................................. 47
4.5.3 Temperature limits during storage...................................................................................... 48
4.5.4 Securing the rotor.............................................................................................................. 49
4.5.5 Commissioning after storage.............................................................................................. 51
4.5.5.1 Insulation resistance and polarization index ....................................................................... 51
4.5.5.2 Lubricating the rolling bearings ......................................................................................... 51
4.5.5.3 Regreasing rolling bearings after storage periods of up to two years ................................... 51
4.5.5.4 Releasing the rotor shipping brace before commissioning ................................................... 51
4.6 Ensure adequate cooling.................................................................................................... 52
4.7 Thermal protection ............................................................................................................ 54
4.8 Interlock circuit for anti-condensation heating.................................................................... 54
4.9 Noise emission................................................................................................................... 54
4.10 Voltage and frequency 󹪞uctuations during line operation ................................................... 54
4.11 Rotational speed limit values.............................................................................................. 55
4.12 System-inherent frequencies.............................................................................................. 55
4.13 Electromagnetic compatibility ............................................................................................ 56
4.14 Converter operation........................................................................................................... 57
4.14.1 Parameterizing the converter ............................................................................................. 57
4.14.2 Converter input voltage ..................................................................................................... 57
4.14.3 Reducing bearing currents ................................................................................................. 58
4.14.4 Insulated bearings for converter operation ......................................................................... 59
4.14.5 Tandem operation.............................................................................................................. 60
4.14.6 Speed limits for converter operation .................................................................................. 60
5 Assembly.............................................................................................................................................. 61
5.1 Safety instructions for installation ...................................................................................... 61
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4Operating Instructions, 11/2023, A5E52779956A

5.2 Preparations for installation ............................................................................................... 62
5.2.1 Requirements for installation ............................................................................................. 62
5.2.2 Insulation resistance .......................................................................................................... 63
5.2.2.1 Insulation resistance and polarization index ....................................................................... 63
5.2.2.2 Checking the insulation resistance and polarization index of the winding............................ 64
5.3 Installing the machine........................................................................................................ 67
5.3.1 Preparing the assembly area............................................................................................... 67
5.3.2 Lift the machine to where it will be mounted and position it............................................... 67
5.4 Alignment and fastening.................................................................................................... 68
5.4.1 Repainting/touching up the paint 󹪝nish of explosion-protected machines............................ 68
5.4.2 Measures for alignment and mounting............................................................................... 68
5.4.3 Flatness of the supporting surfaces for conventional motors............................................... 69
5.5 Installing the machine........................................................................................................ 69
5.5.1 Preconditions for smooth, vibration-free operation............................................................. 69
5.5.2 Aligning the machine to the driven machine and mounting................................................ 70
5.5.2.1 Horizontal types of construction with mounting feet .......................................................... 70
5.5.2.2 Horizontal types of construction with 󹪞ange....................................................................... 70
5.5.2.3 Vertical types of construction with 󹪞ange........................................................................... 71
5.5.2.4 Type of construction without 󹪞ange ................................................................................... 71
5.5.3 Removing the rotor shipping brace..................................................................................... 71
5.5.4 Recommended alignment accuracy.................................................................................... 72
5.5.5 Mounting the drive output elements.................................................................................. 72
5.5.5.1 Pulling on and pulling o󹪜 drive output elements................................................................. 73
5.5.5.2 Diagram showing pulling on and pulling o󹪜 drive output elements ..................................... 74
6 Electrical connection ........................................................................................................................... 77
6.1 Connecting the machine.................................................................................................... 78
6.1.1 Selecting cables ................................................................................................................. 78
6.1.2 Terminal box...................................................................................................................... 78
6.1.2.1 Terminal marking............................................................................................................... 79
6.1.2.2 Circuit diagram inside the terminal box cover ..................................................................... 79
6.1.2.3 Direction of rotation........................................................................................................... 79
6.1.2.4 Additional bores in the terminal box................................................................................... 80
6.1.2.5 Cable entry........................................................................................................................ 80
6.1.2.6 Thread sizes in terminal box............................................................................................... 81
6.1.3 Minimum air clearances ..................................................................................................... 81
6.1.4 Internal equipotential bonding........................................................................................... 82
6.2 Tightening torques............................................................................................................. 82
6.2.1 Cable entries, sealing plugs and thread adapters................................................................. 82
6.3 Connecting the grounding conductor................................................................................. 82
6.3.1 Grounding connection type................................................................................................ 83
6.4 Temperature sensor/anti-condensation heating connection ................................................ 85
6.4.1 Connecting optional integrated devices and equipment...................................................... 85
6.4.2 Auxiliary circuit connection................................................................................................ 85
6.5 Conductor connection........................................................................................................ 85
6.5.1 Connecting conductors ...................................................................................................... 86
6.5.2 Cable ends with wire end sleeves ....................................................................................... 89
6.5.3 Connection with/without cable lugs ................................................................................... 89
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Operating Instructions, 11/2023, A5E52779956A 5

6.5.4 Connecting aluminum conductors...................................................................................... 90
6.6 Connecting converters....................................................................................................... 90
6.7 Final checks....................................................................................................................... 92
7 Start-up ................................................................................................................................................ 93
7.1 Measures before commissioning ........................................................................................ 93
7.1.1 Insulation resistance and polarization index ....................................................................... 95
7.1.2 Checking the machine cooling ........................................................................................... 95
7.1.3 Commissioning the separately driven fan ........................................................................... 95
7.1.4 Setpoint values for monitoring the bearing temperature..................................................... 96
7.1.5 Further documents ............................................................................................................ 97
7.2 Switching on ..................................................................................................................... 97
7.2.1 Test run ............................................................................................................................. 98
8 Operation........................................................................................................................................... 101
8.1 Safety instructions for operation ...................................................................................... 101
8.1.1 Safety note for ventilation................................................................................................ 105
8.1.1.1 Forced ventilation (optional): Cooling method IC 416 in accordance with EN / IEC 60034-6... 105
8.1.2 Switching on with the anti-condensation heating active ................................................... 105
8.2 Switching on the machine................................................................................................ 106
8.3 Switch o󹪜 the separately driven fan.................................................................................. 106
8.4 Switching on again after an EMERGENCY OFF................................................................... 106
8.5 Stoppages........................................................................................................................ 107
8.5.1 Avoidance of damage to rolling bearings during stoppages............................................... 108
8.5.2 Decommissioning the machine ........................................................................................ 108
8.5.3 Re-commissioning the machine........................................................................................ 108
8.6 faults............................................................................................................................... 109
8.6.1 Inspections in the event of faults...................................................................................... 109
8.6.2 Electrical faults ................................................................................................................ 109
8.6.3 Mechanical faults............................................................................................................. 110
8.6.4 Rolling bearing faults ....................................................................................................... 110
8.6.5 Faults at the external fan.................................................................................................. 111
9 Maintenance...................................................................................................................................... 113
9.1 General ........................................................................................................................... 113
9.2 Inspection and maintenance ............................................................................................ 114
9.2.1 Safety instructions for inspection and maintenance .......................................................... 114
9.2.2 Inspections in the event of faults...................................................................................... 116
9.2.3 First inspection after installation or repair......................................................................... 117
9.2.4 General inspection........................................................................................................... 117
9.2.5 Assessing the rolling bearings .......................................................................................... 118
9.2.6 Mechanical explosion protection for rolling bearings ........................................................ 119
9.2.7 Bolt grade........................................................................................................................ 119
9.2.8 Maintenance.................................................................................................................... 120
9.2.8.1 Explosion protection for machines with 󹪞ameproof enclosure........................................... 120
9.2.8.2 Insulation resistance and polarization index ..................................................................... 120
9.2.8.3 Regreasing intervals and types of grease for operating rolling-contact bearings................. 121
9.2.8.4 Cleaning.......................................................................................................................... 122
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6Operating Instructions, 11/2023, A5E52779956A

9.2.8.5 Maintenance and repair of machines with type of protection 󹪞ameproof enclosure........... 122
9.2.8.6 Maintaining the external fan (forced ventilation).............................................................. 123
9.2.8.7 Maintaining terminal boxes "Ex db" .................................................................................. 124
9.2.8.8 Repainting ....................................................................................................................... 125
9.3 Corrective Maintenance ................................................................................................... 126
9.3.1 Extended motor marking.................................................................................................. 126
9.3.2 Anti-condensation heating............................................................................................... 127
9.3.3 Rolling bearings ............................................................................................................... 127
9.3.3.1 Installing rolling bearings................................................................................................. 127
9.3.4 Shaft sealing, mounting dimensions, and alignment ........................................................ 129
9.3.5 O-ring seal....................................................................................................................... 130
10 Spare Parts......................................................................................................................................... 131
10.1 Parts order....................................................................................................................... 131
10.2 Purchasing commercially available spare parts.................................................................. 132
10.3 Determining the spare parts via the Internet..................................................................... 132
10.4 Replacing rolling bearings ................................................................................................ 132
10.5 Rolling bearings .............................................................................................................. 132
10.6 Anti-condensation heating............................................................................................... 133
10.7 Groups of parts................................................................................................................ 133
10.8 Ordering example ............................................................................................................ 134
10.9 Machine parts.................................................................................................................. 134
10.10 Standardized parts ........................................................................................................... 137
10.11 Exploded drawings .......................................................................................................... 139
10.11.1 Shaft heights 71 ... 132 ................................................................................................... 139
10.11.2 Shaft heights 160 ... 225 ................................................................................................. 140
10.11.3 Double angular-contact ball bearings for shaft height 160 ... 225 ..................................... 141
10.11.4 Shaft heights 250 ... 355 ................................................................................................. 143
10.11.5 Ex eb terminal box, shaft heights 71 ... 225...................................................................... 144
10.11.6 Ex eb terminal box, shaft heights 250 ... 355.................................................................... 145
10.11.7 Ex db terminal box shaft heights 71...225 ........................................................................ 146
10.11.8 Ex db terminal box shaft heights 250...355 ...................................................................... 147
10.11.9 Auxiliary terminal box Ex eb optional, shaft heights 160 ... 355 ........................................ 148
10.11.10 Separately driven fan optional shaft height 225 ... 355..................................................... 149
11 Disposal ............................................................................................................................................. 151
11.1 Introduction..................................................................................................................... 151
11.2 RoHS - restricting the use of certain hazardous substances ............................................... 151
11.3 Note regarding Article 33 of the REACH regulation............................................................ 151
11.4 Preparing for disassembly................................................................................................. 152
11.5 Dismantling the machine ................................................................................................. 152
11.6 Disposal of components................................................................................................... 152
Table of contents
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Operating Instructions, 11/2023, A5E52779956A 7

A Technical data.................................................................................................................................... 155
A.1 Tightening torques........................................................................................................... 155
A.1.1 Tightening torques for screw and bolt connections........................................................... 155
A.1.2 Stud-type bushings .......................................................................................................... 156
A.1.3 Terminal board and grounding ......................................................................................... 156
A.1.4 Tightening torques of additional connecting terminals ..................................................... 156
A.1.5 Cable entries, sealing plugs and thread adapters............................................................... 156
B Quality documents ............................................................................................................................ 159
B.1 Quality documents SIMOTICS in SIOS ............................................................................... 159
Table of contents
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8Operating Instructions, 11/2023, A5E52779956A

Introduction 1
Note
The following pages contain the Siemens logo and the Siemens legal information.
Please note that since July 1st, 2023 the Siemens Businesses Large Drives Applications
and Low Voltage Motors are part of InnomoticsGmbH, Germany.
All rights to and product information on the following pages have been transferred from
Siemens to Innomotics.
The re-branding of the document will take place in due course.
1.1 About SIMOTICS
Description
SIMOTICS is the Siemens family of electric motors addressing the complete motor spectrum in
Digital Industry.
1.2 About this manual
1.2.1 Content
To illustrate possible application areas for our products, typical use cases are listed in this product
documentation and in the online help. These are purely exemplary and do not constitute a
statement on the suitability of the respective product for applications in speci󹪝c individual cases.
Unless explicitly contractually agreed, Siemens assumes no liability for such suitability.
Suitability for a particular application in speci󹪝c individual cases must be assessed by the user,
taking into account all technical, legal, and other requirements on a case-by-case basis. Always
observe the descriptions of the technical properties and the relevant constraints of the
respective product contained in the product documentation.
Description
These Operating Instructions inform you about the motor and its components. You will learn
how to handle the motor properly and safely from delivery to disposal:
• Transporting and storing
• Assembly and mounting
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Operating Instructions, 11/2023, A5E52779956A 9

• Connecting
• Commissioning
• Checking
• Operation
• Troubleshooting
• Disassembling
• Disposal
This documentation should be kept in a location where it can be easily accessed and made
available to the personnel responsible.
Information regarding third-party products
Note
Recommendation relating to third-party products
This document contains recommendations relating to third-party products. Siemens accepts the
fundamental suitability of these third-party products.
You can use equivalent products from other manufacturers.
Siemens does not accept any warranty for the properties of third-party products.
1.2.2 Target group
Description
These operating instructions are intended for:
• Fitters
• Commissioning engineers
• Machine operators
• Service and maintenance personnel
• Warehouse personnel
• Personnel decommissioning the motor
• Personnel disposing of the motor
Introduction
1.2About this manual
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10 Operating Instructions, 11/2023, A5E52779956A

1.2.3 Avoiding dangers
Description
Avoid dangers. Ensure safe, problem-free operation and a maximum service life:
• Before you start using the motor, you must read these Operating Instructions.
• Always follow the safety instructions and notices in these operating instructions.
The warning notice system is explained at the beginning of this document.
1.2.4 Standard scope
Description
This documentation describes the functionality of the standard scope. This scope may di󹪜er
from the scope of the functionality of the system that is actually supplied. Please refer to the
ordering documentation only for the functionality of the supplied drive system.
Further functions may be executable in the system, which are not explained in this
documentation. However, there is no entitlement to these functions in the case of a new
delivery or service.
This documentation does not contain all detailed information on all types of the product.
Furthermore, this documentation cannot take into consideration every conceivable type of
installation, operation and service/maintenance.
The machine manufacturer must document any additions or modi󹪝cations they make to the
product themselves.
1.2.5 Websites of third-party companies
Description
This document may contain hyperlinks to third-party websites. Siemens is not responsible for
and shall not be liable for these websites and their content. Siemens has no control over the
information which appears on these websites and is not responsible for the content and
information provided there. The user bears the risk for their use.
1.3 SIMOTICS documentation
Description
Comprehensive documentation on SIMOTICS, SIMOGEAR and on the SINAMICS converter family
are provided in Internet (https://support.industry.siemens.com/cs/ww/en/ps/13204/man).
Introduction
1.3SIMOTICS documentation
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Operating Instructions, 11/2023, A5E52779956A 11

You can display documents or download them in PDF and HTML5 format.
The documentation is divided into the following categories:
Table 1-1 SIMOTICS / SIMOGEAR / SINAMICS documentation
Information Documentation
class1)
Content Target group
General information Con󹪝guration Man‐
ual
Rules, guidelines, and tools for con󹪝g‐
uring products, systems, and plants.
Also contains information on the oper‐
ating and ambient conditions for hard‐
ware and software, the use of func‐
tions, as well as on circuit diagrams
and terminal diagrams and the instal‐
lation of software insofar as this is nec‐
essary for commissioning.
Planners, con󹪝guration engineers
Device information Installation Instruc‐
tions
All relevant information on setting up,
installing and cabling, as well as the
required dimensional drawings and cir‐
cuit diagrams
Installation personnel, commissioning
engineers, service and maintenance
personnel
Basic information Operating instruc‐
tions
Comprehensive collection of all infor‐
mation necessary for the safe opera‐
tion of products, plant/system parts
and complete plants (IEC82079)
Machine operators, plant operators
Compact instruc‐
tions
Essential contents of the operating in‐
structions in a reduced and condensed
form
Machine operators, plant operators
Product Information Information that only becomes known
shortly before or even after start of de‐
livery and is therefore not included in
the associated user documentation
Planners, con󹪝guration engineers,
technologists, installation personnel,
constructors; commissioning engi‐
neers, machine operators, program‐
mers, service and maintenance per‐
sonnel
Online help Instructions for con󹪝guring, program‐
ming, and commissioning
Con󹪝guration engineers, program‐
mers, commissioning engineers
1) Not all documentation classes are available for every SIMOTICS / SIMOGEAR / SINAMICS product.
Introduction
1.3SIMOTICS documentation
1MB..5/6 shaft height 71 ... 355
12 Operating Instructions, 11/2023, A5E52779956A

1.4 Service and support
1.4.1 Siemens Industry Online Support on the road
Description
Figure1-1 "Siemens Industry Online Support" app
The "Industry Online Support" app supports you in the following areas, for example:
• Resolving problems when executing a project
• Troubleshooting when faults develop
• Expanding a system or planning a new system
Furthermore, you have access to the Technical Forum and other articles that our experts have
drawn up:
• FAQs
• Application examples
• Manuals
•Certi󹪝cates
• Product announcements and much more
There is a data matrix code or QR code on the nameplate of your product. Scan the code
using the "Industry Online Support" app (https://support.industry.siemens.com/cs/ww/en/sc/
2067) to obtain technical information about the device.
The app is available for AppleiOS and Android.
1.4.2 Spare parts services
Description
The online spare part service "Spares on Web" o󹪜ers certain spare parts for the product:
• Website: SOW address (https://www.sow.siemens.com).
Introduction
1.4Service and support
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Operating Instructions, 11/2023, A5E52779956A 13

1.5 Important product information
Intended use of the machines
These machines are intended for industrial installations. They comply with the harmonized
standards of the series EN/IEC60034 (VDE 0530). It is prohibited to use these motors in
hazardous zones if the marking on the motor rating plate does not explicitly permit line or
converter operation. If other/more wide-ranging demands (e.g. protection so that they cannot
be touched by children) are made in special cases – i.e. use in non-industrial installations – these
conditions must be ensured by the customer.
Note
EU Machinery Directive
Low-voltage motors are components designed for installation in machines in accordance with
the EU Machinery Directive. Commissioning is prohibited until it has been absolutely identi󹪝ed
that the end product is in conformance with this Directive. Comply with standard EN/ IEC
60204-1.
Introduction
1.5Important product information
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14 Operating Instructions, 11/2023, A5E52779956A

Safety information 2
2.1 Information for those responsible for the plant/system
This motor is a partly completed machine in the sense of directive 2006/42/EC ("machinery
directive"), and has been designed and built in compliance with the applicable's health and
safety protection requirements of this directive, including the protection goals of directive
2014/35/EU ("Low-Voltage Directive") regarding electrical hazards. It is intended for use in
industrial plants and systems. Please observe the country-speci󹪝c regulations when using the
motor outside the European Union. Comply with local and industry-speci󹪝c safety and
installation regulations.
The persons responsible for the plant must ensure the following:
• Planning and con󹪝guration work and all work carried out on and with the machine is only to
be done by quali󹪝ed personnel.
• The operating instructions are always available when performing any work.
• The technical data as well as the speci󹪝cations relating to the permissible installation,
connection, ambient and operating conditions as well as the other safety-related data and
notes in these operating instructions are taken into account at all times.
• The speci󹪝c setup and safety regulations as well as regulations on the use of personal
protective equipment are strictly complied with.
Note
Engage the services and support provided by the local service center (Page13) for planning,
installation, commissioning and service work.
Further, this machine has been designed, built and tested in accordance with Directive
2014/34/EU ("Explosion Protection Directive") and is intended for use in industrial plants with
a potentially explosive atmosphere (corresponding to the data on the rating plate).
Commissioning in hazardous areas
Only commission the machine if it has been absolutely con󹪝rmed that the plant or system is
in full conformance with the valid directive.
When using the machine, carefully comply with country-speci󹪝c regulations relating to
protection against explosion.
2.2 The 5 safety rules
To ensure your own personal safety as well as to avoid material damage, always comply with the
safety-relevant instructions when carrying out any work. Also carefully comply with the 5 safety
rules according to EN50110‑1 "Working in a no-voltage state" in the speci󹪝ed sequence.
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Operating Instructions, 11/2023, A5E52779956A 15

5 safety rules
1. Disconnect the system.
Also disconnect the auxiliary circuits, for example, anti-condensation heating.
2. Secure against reconnection.
3. Verify absence of operating voltage.
4. Ground and short-circuit.
5. Provide protection against adjacent live parts.
To energize the system, apply the measures in reverse order.
2.3 Quali󹪝ed personnel
All work at the machine must be carried out by quali󹪝ed personnel only. For the purpose of this
documentation, quali󹪝ed personnel is taken to mean people who ful󹪝ll the following
requirements:
• Through appropriate training and experience, they are able to recognize and avoid risks and
potential dangers in their particular 󹪝eld of activity.
• They have been instructed to carry out work on the machine by the appropriate person
responsible.
2.4 Safe handling
Workplace safety depends on the attentiveness, care, and common sense of the personnel who
install, operate, and maintain the machine. In addition to the safety measures cited, as a matter
of principle, the use of caution is necessary when you are near the machine. Always pay
attention to your safety.
Also observe the following to prevent accidents:
• General safety regulations applicable in the country where the machine is deployed.
•Manufacturer-speci󹪝c and application-speci󹪝c regulations
• Special agreements made with the operator
• Separate safety instructions supplied with the machine
• Safety symbols and instructions on the machine and its packaging
Safety information
2.4Safe handling
1MB..5/6 shaft height 71 ... 355
16 Operating Instructions, 11/2023, A5E52779956A

Danger as a result of stationary parts under voltage (live parts)
Live parts represent a hazard. Touch protection against active (live) parts is no longer
guaranteed if covers are removed. The minimum clearance and creepage distances may be
violated when coming close to live parts. Touching or coming close to them can result in death,
serious injury or material damage.
• Ensure that all live parts are suitably covered.
• Switch o󹪜 and disconnect the machine 󹪝rst if you want to remove covers. Observe the "5
safety rules".
Risk of injury due to rotating parts
Rotating parts are dangerous. Touch protection against rotating parts is no longer guaranteed
if covers are removed. Touching rotating parts can result in death, serious injury or material
damage.
• Ensure that all rotating parts are reliably covered.
• Switch o󹪜 and disconnect the machine 󹪝rst if you want to remove covers. Observe the "5
safety rules".
• Only remove covers when the rotating parts have come to a complete standstill.
Risk of burns due to hot surfaces
Individual machine parts can become hot in operation. Burns can result when coming into
contact with these parts.
• Never touch machine parts during operation.
• Allow the machine to cool before starting work on the machine.
• Check the temperature of parts before touching them. If required, wear suitable protective
equipment.
Health hazard due to chemical substances
Chemical substances required for the setup, operation and maintenance of machines can
present a health risk.
• Observe the product information provided by the manufacturer.
Flammable substances hazard
Chemical substances required for the setup, operation and maintenance of machines may be
󹪞ammable. These substances can ignite if handled incorrectly. They can cause burns and
property damage.
• Observe the product information provided by the manufacturer.
See also
Maintenance (Page120)
Safety information
2.4Safe handling
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 11/2023, A5E52779956A 17

Noise emissions
During operation, the machine's noise emission levels can exceed those permitted at the
workplace, which can cause hearing damage.
• Ensure that nobody is in the area of increased noise emissions during machine operation.
• Take steps to reduce noise so that the machine can be operated safely within your system.
The following measures may help to reduce noise.
– Covers
– Noise insulation
– Hearing protection measures
Prevention of hearing damage
If the permissible sound pressure level is exceeded, hearing damage can occur when
operating three-phase motors at their rated power.
The permissible sound pressure level is 70dB (A).
2.5 Electromagnetic 󹪝elds when operating electrical power
engineering installations
Electromagnetic 󹪝elds when operating electrical power equipment
Electrical power equipment generate electromagnetic 󹪝elds during operation. Potentially
lethal malfunctions can occur in medical implants, e.g. pacemakers, in the vicinity of
electrical power equipment. Data may be lost on magnetic or electronic data carriers.
• Protect the personnel working in the plant by taking appropriate measures, such as erecting
identifying markings, safety barriers and warning signs and giving safety talks.
• Comply with all of the national health and safety regulations.
• It is forbidden for people with pacemakers to be close to the machine.
• Do not carry any magnetic or electronic data media.
2.6 Use in hazardous areas
Electrical installations in hazardous zones must be mounted, installed and operated by the
applicable responsible persons in accordance with the applicable rules and regulations.
Note
The basic requirements relating to electrical installations and their operation in hazardous areas
are described, for instance, in directive 1999/92/EC as well as in standard IEC / EN 60079-14 or
when using the electrical machine outside the European Community, in the country-speci󹪝c
regulations.
Safety information
2.6Use in hazardous areas
1MB..5/6 shaft height 71 ... 355
18 Operating Instructions, 11/2023, A5E52779956A