Siemens SIMOTICS SD Operating Instructions Manual
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Siemens SIMOTICS SD Operating Instructions Manual

Low-voltage motors
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Edition
11/2022
OPERATING INSTRUCTIONS
SIMOTICS SD
Low-voltage motors
1LE5, 1PC4
Shaft heights 280 ... 355
www.siemens.com/drives

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  • Page 1 Edition 11/2022 OPERATING INSTRUCTIONS SIMOTICS SD Low-voltage motors 1LE5, 1PC4 Shaft heights 280 ... 355 www.siemens.com/drives...
  • Page 3 Introduction Safety information Description SIMOTICS SD Preparing for use Low-voltage motors 1LE5, 1PC4 shaft heights 280 ... Assembly Electrical connection Operating Instructions Commissioning Operation Maintenance Spare parts Disposal Technical specifications Quality documents 11/2022 A5E41454666A...
  • Page 4 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 5: Table Of Contents

    Websites of third-party companies..................11 SIMOTICS documentation ....................11 Service and support ......................12 1.4.1 Siemens Industry Online Support on the Web..............12 1.4.2 Siemens Industry Online Support on the road..............13 1.4.3 Feedback on the technical documentation ................. 14 1.4.4...
  • Page 6 Table of contents 3.3.2 Regulations........................27 3.3.3 Cooling and ventilation ...................... 27 3.3.3.1 Machines with a fan......................28 3.3.3.2 Machines without a fan (optional)..................28 3.3.4 Bearings ..........................29 3.3.5 Balancing........................... 29 3.3.6 Types of construction/method of installation ..............29 3.3.7 Degree of protection ......................
  • Page 7 Table of contents Preparing for installation ....................50 5.2.1 Requirements for installation ..................... 50 5.2.2 Insulation resistance ......................51 5.2.2.1 Insulation resistance and polarization index ............... 51 5.2.2.2 Checking the insulation resistance and polarization index of the winding......52 Installing the machine......................55 5.3.1 Preparing the assembly area....................
  • Page 8 Table of contents Connecting converters ....................... 76 Final checks ........................77 Commissioning ............................ 79 Measures before commissioning ..................79 7.1.1 Mechanical and electrical check ..................80 7.1.2 Converter operation......................81 7.1.3 Insulation resistance and polarization index ............... 81 7.1.4 Checking the machine cooling ................... 81 7.1.5 Commissioning the separately driven fan ................
  • Page 9 Table of contents 9.3.1.1 Safety instructions in operation - risk of burn injuries at hot surfaces ........98 9.3.2 Inspections in the event of faults..................99 9.3.3 First inspection after installation or repair................. 100 9.3.4 General inspection......................101 9.3.5 Assessing the rolling bearings ..................101 9.3.6 Maintenance intervals......................
  • Page 10 Table of contents 10.9.8 Terminal box, shaft height 355..................127 Disposal ............................. 129 11.1 Introduction........................129 11.2 RoHS - restricting the use of certain hazardous substances ..........129 11.3 Note regarding Article 33 of the REACH regulation............129 11.4 Preparing for disassembly....................130 11.5 Dismantling the machine ....................

  • Page 11: Introduction

    Introduction About SIMOTICS Description SIMOTICS is the Siemens family of electric motors addressing the complete motor spectrum in Digital Industry. 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.

  • Page 12: Target Group

    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...

  • Page 13: Standard Scope

    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.

  • Page 14: Service And Support

    Service and support 1.4.1 Siemens Industry Online Support on the Web Description The following is available via Siemens Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/), among others: • Product support • Global forum for information and best practice sharing between users and specialists 1LE5, 1PC4 shaft heights 280 ...

  • Page 15: Siemens Industry Online Support On The Road

    • Compatibility tool • Newsletters with information about your products • Catalogs/brochures 1.4.2 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: •...

  • Page 16: Feedback On The Technical Documentation

    1.4.3 Feedback on the technical documentation Description We welcome your questions, suggestions, and corrections for this technical documentation. Please use the "Provide feedback" link at the end of the entries in Siemens Industry Online Support. Figure 1-2 Requests and feedback 1.4.4...

  • Page 17: Technical Support

    • "Industry Online Support" mobile app The Support Request is the most important input channel for questions relating to products from Siemens Industry. This will assign your request a unique ticket number for tracking purposes. The Support Request offers you: •...

  • Page 18: Training

    Description SITRAIN – Digital Industry Academy offers a comprehensive range of training courses on Siemens industrial products – directly from the manufacturer, for all industries and use cases, for all knowledge levels from beginner to expert. More information can be found on the Internet via the following address (https:// www.siemens.com/sitrain).

  • Page 19: Important Product Information

    Introduction 1.5 Important product information Important product information 1.5.1 Proper and intended use/foreseeable misuse 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.
  • Page 20 Introduction 1.5 Important product information 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 21: Safety Information

    Safety information Information for those responsible for the plant/system This electric machine has been designed and built in accordance with the specifications contained in Directive 2014/35/EU ("Low-Voltage Directive") and is intended for use in industrial plants. Follow the country-specific regulations when using the electrical machine outside the European Union.

  • Page 22: Qualified Personnel

    Safety information 2.4 Safe handling Qualified personnel All work at the machine must be carried out by qualified personnel only. For the purpose of this documentation, qualified personnel is taken to mean people who fulfill the following requirements: • Through appropriate training and experience, they are able to recognize and avoid risks and potential dangers in their particular field of activity.
  • Page 23 Safety information 2.4 Safe handling 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. •...

  • Page 24: Electromagnetic Fields When Operating Electrical Power Engineering Installations

    Safety information 2.6 Electrostatic sensitive devices Electromagnetic fields when operating electrical power engineering installations Electrical power equipment generate electromagnetic fields 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. •...

  • Page 25: Interference Immunity

    Safety information 2.9 Interference voltages when operating the converter The ESD protective measures required for components that can be destroyed due to electrostatic discharge are shown in the following drawings: a = conductive floor sur‐ b = ESD table c = ESD shoes face d = ESD overall e = ESD wristband...

  • Page 26: Special Designs And Construction Versions

    Safety information 2.10 Special designs and construction versions 2.10 Special designs and construction versions Before carry out any work on the machine, determine the machine version. If there are any deviations or uncertainty, contact the manufacturer, specifying the type designation and serial number (see the rating plate), or contact the Service Center. 1LE5, 1PC4 shaft heights 280 ...

  • Page 27: Description

    Description Area of application The rotating electrical motors of this series are used as industrial drives. They are designed for a wide range of drive applications both for line operation as well as in conjunction with frequency converters. They are characterized by their high power density, extreme robustness, long service life and outstanding reliability.
  • Page 28 Description 3.2 Rating plate Data on the rating plate Item Description Item Description General data Electrical data Type of machine Electrical data Machine type Rated voltage [V] Serial number (incl. date of manufacture Winding connections YY.MM) Standards Frequency [Hz] Additional details (optional) Rated power [kW] Customer data (optional) Rated current [A]...

  • Page 29: Installation

    Description 3.3 Installation Installation 3.3.1 Machine design Machines of this series are low-voltage three-phase induction drives with a cylindrical shaft extension and keyway. They can be supplied as single-speed machines with different efficiency classes or as pole changing machines for several speeds. In the case of machines with feet (IM B3 type of construction), the feet are cast or bolted on.

  • Page 30: Machines With A Fan

    Description 3.3 Installation 3.3.3.1 Machines with a fan Self-ventilation (standard): Cooling method IC 411 according to EN / IEC 60034-6 Located at the ND end of the stator housing is an air intake cowl that guides the external air on its way to the motor. The external air is drawn in through openings in the air intake cowl and flows axially across the outer cooling ribs of the motor frame.

  • Page 31: Bearings

    Description 3.3 Installation Surface cooling by relative movement of cooling air: Cooling method IC 418 according to EN / IEC 60034-6 IC418 IC4A1A8 Figure 3-2 IC418 3.3.4 Bearings To support the machine shaft and maintain its position in the non-moving part of the machine, DE and NDE rolling bearings are used. One end performs the function of a locating bearing that transfers axial and radial forces from the rotating machine shaft to the non-moving part of the machine.
  • Page 32 Description 3.3 Installation Table 3-2 Type of construction Basic type of construc‐ Diagram Other methods of in‐ Diagram tion code stallation IM B3 (IM 1001) IM V5 (IM 1011)     IM V6 (IM 1031)     IM B6 (IM 1051)     IM B7 (IM 1061)     IM B8 (IM 1071) Basic type of construc‐...

  • Page 33: Degree Of Protection

    Description 3.3 Installation Basic type of construc‐ Diagram     tion code IM B35 (IM 2001)     IM B34 (IM 2101)     3.3.7 Degree of protection The machine has a type of protection as stamped on the rating plate, and can be installed in dusty or humid environments. 3.3.8 Environmental conditions Limit values for the standard version...

  • Page 34: Paint Finish

    Description 3.3 Installation • Measuring nipple for SPM shock pulse measurement for bearing monitoring • Backstop • Bearing temperature sensors Note Further documents Observe all of the other documents provided with this machine. Supplementary devices Depending on the order, various supplementary devices can be installed or mounted. These include temperature sensors for monitoring bearing temperatures or winding temperatures, for example.

  • Page 35: Preparing For Use

    The drive systems are put together on an individual basis. When receiving the delivery, immediately check whether the scope of delivery matches the accompanying documents. SIEMENS will not accept any claims for missing or incorrect items submitted at a later date. • Report any apparent transport damage to the delivery agent immediately.

  • Page 36: Transport And Storage

    Preparing for use 4.5 Transport and storage Archive the safety and commissioning notes provided in the scope of delivery as well as the optionally available operating instructions so that these documents are always easily accessible. The rating plate optionally enclosed as a loose item with the delivery is provided to enable the motor data to be attached on or near the machine or installation.
  • Page 37 Preparing for use 4.5 Transport and storage • Use suitable strap guiding or spreading devices. • If not specified otherwise in the transport data, always transport the machine in the position associated with its specific type of construction. Danger due to damaged attachment points •...

  • Page 38: Types Of Construction On The Rating Plate

    Preparing for use 4.5 Transport and storage • Never remain under or in the immediate vicinity of the machine when it is lifted. WARNING Danger to life as a result of a machine falling If the lifting gear or load handling attachments were to fail, the machine could fall. This can result in death, serious injury or material damage.

  • Page 39: Storage

    Preparing for use 4.5 Transport and storage 4.5.3 Storage Storing outdoors NOTICE Damage to the motor Damage can occur if incorrectly stored. Take all precautions to protect the motor under extreme climatic conditions, e.g. salt-laden and/or dusty, moist/humid atmospheres. Choose a dry storage location which is safe from flooding and free from vibration. Repair any damage to the packaging before putting the equipment into storage if this is necessary to ensure proper storage conditions.

  • Page 40: Securing The Rotor

    Preparing for use 4.5 Transport and storage Storage time Turn the shaft once every year to avoid bearing brinelling. Prolonged storage periods reduce the useful life of the bearing grease (aging). Open bearings • For open bearings, e.g. 1Z, check the status of the grease when stored for longer than 12 months.
  • Page 41 Preparing for use 4.5 Transport and storage Alternative rotor bracing • If you transport the machine after the output element has been pulled on, then you must axially fix the rotor in another way. Thread in the shaft extension Tightening torque 40 Nm 80 Nm 150 Nm...

  • Page 42: Commissioning After Storage

    Preparing for use 4.5 Transport and storage 4.5.5 Commissioning after storage 4.5.5.1 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the machine. It is therefore important to check the insulation resistance and the polarization index at the following times: •...

  • Page 43: Ensure Adequate Cooling

    Preparing for use 4.6 Ensure adequate cooling Ensure adequate cooling WARNING Overheating and failure of the motor Death, severe injury or material damage can occur if you do not strictly comply with the following points, for explosion-proof machines, an explosion can occur. •...
  • Page 44 Preparing for use 4.6 Ensure adequate cooling Table 4-1 Air guidance Incorrect Correct Minimum dimension "x" for the distance between neighboring modules and the air intake of the machine Table 4-2 Minimum dimension "x" for the distance between adjacent modules and the air intake of the machine Shaft height 280 ...

  • Page 45: Interlock Circuit For Anti-Condensation Heating

    Preparing for use 4.10 Rotational speed limit values Interlock circuit for anti-condensation heating If the anti-condensation heating is operated while the machine is running, this can increase the temperatures inside the machine. • Install an interlock circuit that switches off the anti-condensation heating once the main machine is switched on.

  • Page 46: System-Inherent Frequencies

    Preparing for use 4.12 Electromagnetic compatibility Machine damage due to excessively high speeds Excessive rotational speed can lead to serious damage to the machine. This can result in death, serious injury or material damage. • Avoid operation above the permissible speed by using the appropriate control function. •...

  • Page 47: Converter Operation

    Preparing for use 4.13 Converter operation Immunity to interference The machines fulfill the requirements of interference immunity in conformity with EN / IEC 61000-6-2. For machines with integrated sensors, e.g. PTC thermistors, the operating company must ensure sufficient interference immunity by selecting a suitable sensor signal cable (possibly with shielding, connected in the same way as the machine feeder cable) and a suitable evaluation unit.

  • Page 48: Reducing Bearing Currents

    Preparing for use 4.13 Converter operation NOTICE Material damage caused by an excessively high supply voltage The insulation system will be damaged if the supply voltage is too high for the insulation system. This can completely destroy the machine. • Comply with the peak voltages as laid down in the guidelines above. 4.13.3 Reducing bearing currents To prevent damage due to bearing currents, you must carefully assess the complete system, i.e.

  • Page 49: Insulated Bearings For Converter Operation

    Preparing for use 4.13 Converter operation • Use the common-mode filter (damping cores) at the converter output. The SIEMENS sales partner is responsible for selecting and dimensioning. • Limit the rise in voltage by using output filters. Output filters dampen the harmonic content in the output voltage.

  • Page 50: Tandem Operation

    Preparing for use 4.13 Converter operation ① ④ Driven machine Insulated bearings ② ⑤ Motor Insulated tachometer fitting ③ ⑥ Coupling Insulated coupling Figure 4-2 Schematic representation of a tandem drive NOTICE Bearing damage Bearing currents can flow if the coupling between the motors of the tandem drive is not insulated.

  • Page 51: Assembly

    Assembly Comply with the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 19). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110‑1 regarding safe operation of electrical equipment.

  • Page 52: Preparing For Installation

    Assembly 5.2 Preparing for installation Preparing for installation 5.2.1 Requirements for installation The following requirements must be satisfied prior to starting installation work: • Staff have access to the operating and installation instructions. • The machine is unpacked and ready for mounting at the installation location. •...

  • Page 53: Insulation Resistance

    Assembly 5.2 Preparing for installation 5.2.2 Insulation resistance 5.2.2.1 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the machine. It is therefore important to check the insulation resistance and the polarization index at the following times: •...

  • Page 54: Checking The Insulation Resistance And Polarization Index Of The Winding

    Assembly 5.2 Preparing for installation 5.2.2.2 Checking the insulation resistance and polarization index of the winding Measure the insulation resistance 1. Follow the instructions in the Operating Manual of the insulation measuring instrument used. 2. Ground other windings, integrated winding temperature sensors and, if applicable, other mounted and installed components.
  • Page 55 Assembly 5.2 Preparing for installation Limit values for the winding insulation resistance The following table lists the measuring voltage and limit values for the insulation resistance R These values correspond to recommendations provided in IEC 60034-27-4. Table 5-1 Insulation resistance of the winding at 40 °C MΩ...
  • Page 56 Assembly 5.2 Preparing for installation Note Comment to IEEE 43 According to IEEE 43, also for winding temperatures < 40 °C, R must be converted over to the reference temperature of 40 °C. As the minimum values for R apply at 40 °C, the required R values are somewhat higher for winding temperatures below 40 °C.

  • Page 57: Installing The Machine

    Assembly 5.3 Installing the machine Installing the machine 5.3.1 Preparing the assembly area 1. Prepare a suitable assembly area (e.g. assembly stands). Make sure that the assembly area has sufficient clearance from the floor for the DE shaft end. The necessary data is provided in the machine dimension drawing.

  • Page 58: Machines With Type Of Construction Im B15, Im B9, Im V8 And Im V9

    Assembly 5.3 Installing the machine 5.3.3 Machines with type of construction IM B15, IM B9, IM V8 and IM V9 Types of construction without bearings on the drive side These machines do not have their own bearing system for the machine shaft at the drive end (DE).

  • Page 59: Aligning And Fixing The Machine

    Assembly 5.4 Aligning and fixing the machine Aligning and fixing the machine Observe the following when aligning and mounting: • Ensure a flat and uniform contact surface for foot and flange mounting. • When mounting on the wall, support the machine from below, e.g. using a bracket, or bolt •...

  • Page 60: Flatness Of The Supporting Surfaces For Conventional Motors

    Assembly 5.4 Aligning and fixing the machine • Smooth running Preconditions for smooth, vibration-free operation according to DIN 4024: – Stable foundation design free of any shock or vibration – Precise alignment of the driven machine – A balanced output element corresponding to the motor balancing (coupling, belt pulley, fan, ...) Maintain the maximum permissible vibration amplitude levels in operation according to ISO 10816-3.

  • Page 61: Installing The Machine

    Assembly 5.5 Installing the machine Installing the machine 5.5.1 Preconditions for smooth, vibration-free operation Preconditions for smooth, vibration-free operation: • Stable foundation design • Precise alignment of the machine • Correct balancing of parts to be fitted to the shaft end. •...

  • Page 62: Horizontal Types Of Construction With Flange

    Assembly 5.5 Installing the machine 4. When positioning the machine, ensure that a uniform axial gap (y→0) is maintained around the coupling. 5. Fix the machine to the foundation. The choice of fixing elements depends on the foundation and is the plant operator's responsibility. Note Machine expansion When aligning, make allowance for the thermal expansion of the machine when the...

  • Page 63: Removing The Rotor Shipping Brace

    Assembly 5.5 Installing the machine Procedure The machine axis must be vertical when it is lifted and the flange must be parallel to the mating flange, so as to avoid seizing and stressing. Otherwise damage to the centering will result. 1. Grease the centering flange with assembly paste to make the process easier. 2.

  • Page 64: Mounting The Drive Output Elements

    Assembly 5.5 Installing the machine 5.5.5 Mounting the drive output elements The rotor is dynamically balanced. For shaft extensions with feather keys, the type of balancing is specified using the following coding on the face of the drive end of the shaft extension and on the rating plate: •...
  • Page 65 Assembly 5.5 Installing the machine Pulling on drive output elements • Requirements: – The coupling and/or the drive output element must be appropriately dimensioned for the operating case at hand. – Observe the coupling manufacturer's instructions. – Make sure that the balancing type of the drive output element correctly matches the type of balance of the rotor.
  • Page 66 Assembly 5.5 Installing the machine You can obtain the permissible values for axial and radial forces by contacting the Service Center or by referring to the machine catalog. Shaft extensions with feather key The feather key data for the shaft and drive output element must match and indicate the correct type of balancing.

  • Page 67: Electrical Connection

    Electrical connection Safety instructions for the electrical connection Comply with the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 19). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110‑1 regarding safe operation of electrical equipment.

  • Page 68: Connecting The Machine

    Electrical connection 6.2 Connecting the machine Note Service Center If you require support when electrically connecting up the machine, please contact the Service Center. Connecting the machine • Carefully comply with the information provided in EN / IEC 60034-1 (VDE 0530-1) regarding operation at the limits of A and B zones, especially in respect of temperature increase and deviation of the operating data from the rated data stamped on the rating plate.

  • Page 69: Terminal Box

    Electrical connection 6.2 Connecting the machine 6.2.2 Terminal box DANGER Hazardous voltage Electric motors have high voltages. When incorrectly handled, this can result in death or severe injury. Switch off the machine so that it is in a no-voltage condition before you open the terminal box. NOTICE Damage to the terminal box If you incorrectly carry out work on or in the terminal box, this can result in material damage.

  • Page 70: Terminal Marking

    Electrical connection 6.2 Connecting the machine Terminal connec‐ Clockwise ro‐ U  V  W T1  T2  T3 tion tation Terminal connec‐ Counter-clock‐ V  U  W T2  T1  T3 tion wise rotation Direction of rotation of the motor when viewing the DE 6.2.2.3 Terminal marking According to IEC / EN 60034‑8, the following basic definitions apply to the terminal markings for 3-phase machines: Table 6-1 Terminal markings using the 1U1-1 as an example...

  • Page 71: Connecting Protruding Cables

    Electrical connection 6.2 Connecting the machine CAUTION Damage to connecting cables that are freely led out You must observe the following note to avoid damaging connecting cables that are freely led out: • It must be ensured that there are no foreign bodies, dirt, or moisture in the terminal base of the machine enclosure.

  • Page 72: Minimum Air Clearances

    Electrical connection 6.3 Tightening torques 6.2.2.7 Minimum air clearances After proper installation, verify that the minimum air clearances between non-insulated parts are maintained. Be aware of any protruding wire ends. Table 6-2 Minimum air clearance dependent on rms value of the alternating voltage U Rms value of the alternating voltage U Minimum air clearance ≤ 250 V...

  • Page 73: Connecting The Grounding Conductor

    Electrical connection 6.4 Connecting the grounding conductor Observe the documentation for tightening torques of the cable entries and sealing plugs for direct mounting at the machine as well as additional glands (e.g. adapters). Connecting the grounding conductor The machine's grounding conductor cross-section must comply with EN / IEC 60034-1. Please also observe installation regulations such as those specified in EN / IEC 60204-1.

  • Page 74: Connecting The Temperature Sensor/Anti-Condensation Heater

    Electrical connection 6.5 Connecting the temperature sensor/anti-condensation heater Internal ground terminal Comply with the following instructions when connecting up: • Ensure that the connecting surface is bare and is protected against corrosion using a suitable substance, e.g. acid-free Vaseline. • Arrange the spring lock washer under the screw head. •...

  • Page 75: Conductor Connection

    Electrical connection 6.6 Conductor connection Connecting temperature sensor/anti-condensation heating in the terminal box. Shaft height 280 Shaft height 315 Shaft height 355 Conductor connection Cross-sections that can be connected depending on the size of the terminal (possibly reduced due to size of cable entries) Table 6-4 Max.

  • Page 76: Conductor Connection Type Shaft Height 280

    Electrical connection 6.6 Conductor connection 6.6.1 Conductor connection type shaft height 280 Terminal board Shaft height 280 Shaft height 280 + R50 TB4N01 TB4N61 TB4Q01 TB4Q61 Max. Recom‐ Max. Recom‐ Max. Recom‐ Max. Recom‐ conduc‐ mended conduc‐ mended conduc‐ mended conduc‐ mended conduc‐...

  • Page 77: Conductor Connection Type Shaft Height 315

    Electrical connection 6.6 Conductor connection 6.6.2 Conductor connection type shaft height 315 ... 355 Terminal board Shaft height 315 Shaft height 355 Shaft height 315 + R50 TB3Q01 TB3Q61 TB3R01 TB3R61 Max. Recom‐ Max. Recom‐ Max. Recom‐ Max. Recom‐ conduc‐ mended conduc‐...

  • Page 78: Connecting Aluminum Conductors

    Electrical connection 6.7 Connecting converters 6.6.3 Connecting aluminum conductors If you are using aluminum conductors, then comply with the following: • Use only cable lugs that are suitable for connecting aluminum conductors. • Immediately before inserting the aluminum conductor, remove the oxide layer from the contact areas on the conductor and/or the mating piece.

  • Page 79: Final Checks

    Electrical connection 6.8 Final checks Table 6-6 Maximum voltage peaks at the motor terminals for motors specifically designed for converter operation Rated motor voltage Maximum peak voltage at the motor terminals Û Û DC link U phase-to-phase phase-to-ground ≤ 500 V 1600 1400 >...
  • Page 80 Electrical connection 6.8 Final checks 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 81: Commissioning

    Commissioning Comply with the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 19). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110‑1 regarding safe operation of electrical equipment.

  • Page 82: Mechanical And Electrical Check

    Commissioning 7.1 Measures before commissioning • Before commissioning, attach the covers to guarantee the correct air guidance. • Ensure that all condensation drain holes are always located at the lowest part of the machine. Second shaft end If the second shaft end is not used: •...

  • Page 83: Converter Operation

    Commissioning 7.1 Measures before commissioning 7.1.2 Converter operation Converter operation • If the motor design requires connection to a specific converter type, carefully check the supplementary data on the rating plate/supplementary plate. • Ensure that the converter is correctly parameterized. Depending on the design, you will find some parameterization data on the rating plate of the machine.

  • Page 84: Commissioning The Separately Driven Fan

    Commissioning 7.1 Measures before commissioning See also Preparing for use (Page 33) 7.1.5 Commissioning the separately driven fan The separately driven fan ensures that the main machine is cooled irrespective of the main machine speed or direction of rotation. The separately driven fan is only suitable for one direction of rotation.

  • Page 85: Further Documents

    Commissioning 7.1 Measures before commissioning 7.1.6 Further documents Note Further documents Observe all of the other documents provided with this machine. 7.1.7 Setpoint values for monitoring the bearing temperature Prior to commissioning If the machine is equipped with bearing thermometers, set the temperature value for disconnection on the monitoring equipment before the first machine run.

  • Page 86: Switching On

    Commissioning 7.2 Switching on Switching on Measures for start-up After installation or inspections, the following measures are recommended for normal start-up of the machines: • Start the machine without a load. To do this, close the circuit breaker and do not switch off prematurely.

  • Page 87: Test Run

    Commissioning 7.2 Switching on 7.2.1 Test run After installation or inspection, carry out a test run: 1. Start the machine without a load. To do this, close the circuit breaker and do not switch off prematurely. Check whether it is running smoothly. Switching the machine off again while it is starting and still running at slow speed should only be done to the extent necessary, for example for checking the direction of rotation or for checking in general.
  • Page 88 Commissioning 7.2 Switching on 4. During the test run, check and document the following: – Check whether it is running smoothly. – Document the voltage, current and power values. As far as possible, document the corresponding values of the driven machine. –...

  • Page 89: Operation

    Operation Comply with the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 19). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110‑1 regarding safe operation of electrical equipment.

  • Page 90: Safety Instructions In Operation - Parts That Are Not Covered, And That Are Under Voltage (Live Parts)

    Operation 8.1 Safety instructions for operation 8.1.2 Safety instructions in operation - parts that are not covered, and that are under voltage (live parts) 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.
  • Page 91 Operation 8.1 Safety instructions for operation Risk of burn injuries as a result of 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. •...

  • Page 92: Safety Instructions In Operation - Anti-Condensation Heating

    Operation 8.1 Safety instructions for operation 8.1.3 Safety instructions in operation - anti-condensation heating Overheating as a result of the anti-condensation heating If the anti-condensation heating is operated while the machine is operational, this can increase the temperatures inside the machine and cause material damage. •...

  • Page 93: Switching On The Machine

    Operation 8.6 Stoppages These machines have a warning sticker on the fan cover. Switching on the machine 1. Operate the machine without a load and check that it is running smoothly. 2. If it runs perfectly, connect a load. NOTICE Thermal overload of motors connected directly to the line supply In addition to the load torque, the ramp-up (accelerating) time is essentially influenced by the moment of inertia to be accelerated.
  • Page 94 Operation 8.6 Stoppages Under normal ambient conditions, e.g. the stationary machine is not exposed to any external vibration, no increased level of corrosion, ... then the following measures are required. Longer non-operational periods • For longer non-operational periods (> 1 month), either operate the machine or at least turn the rotor regularly, approximately once per month.

  • Page 95: Avoidance Of Damage To Rolling Bearings During Stoppages

    Operation 8.7 faults 8.6.1 Avoidance of damage to rolling bearings during stoppages Extended stoppages at the identical or almost identical resting position of the rotor in the rolling bearings can result in damage, such as brinelling or corrosion. • During stoppages, regularly start up the machine for a brief period once a month. As a minimum, turn the rotor several times.

  • Page 96: Electrical Faults

    Operation 8.7 faults 8.7.2 Electrical faults Note If you are operating the motor with a converter, the operating instructions of the converter must also be observed if electrical faults occur. Table 8-1 Electrical faults ↓ Motor fails to start   ↓ Motor accelerates sluggishly  ...

  • Page 97: Mechanical Faults

    Operation 8.7 faults 8.7.3 Mechanical faults Table 8-2 Mechanical faults ↓ Grinding noise   ↓ Radial vibrations   ↓ Axial vibrations   Possible causes of faults Remedial measures     Rotating parts grind Establish the cause and realign the parts.    ...

  • Page 98: Faults At The External Fan

    Operation 8.7 faults     Too much grease in bearing Remove surplus grease.     Wrong grease in the bearing Use the correct grease.     Friction marks on raceway Replace the bearing.     Brinelling or scoring Replace the bearing. Avoid any vibration at standstill 8.7.5 Faults at the external fan The following table shows the possible causes of and remedial measures for faults on forced-...

  • Page 99: Maintenance

    Maintenance General Through careful and regular maintenance, inspections and overhauls, you can detect faults at an early stage and resolve them. This means that you can avoid consequential damage. Operating situations and characteristics can vary widely. For this reason, only general maintenance intervals can be specified here.

  • Page 100: Customs Union Eurasia (Optional)

    Maintenance 9.3 Inspection and maintenance 9.2.2 Customs union Eurasia (optional) When making changes or repairs, maintain the corresponding design standards! These machines are labeled on the rating plate with the following markings. Customs union Eurasia Eurasian customs union If the paint is damaged, it must be repaired in order to protect the unit against corrosion. Note Paint system Contact the Service Center before you repair any damage to paint.

  • Page 101: Inspections In The Event Of Faults

    Maintenance 9.3 Inspection and maintenance 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 air and creepage distances may be fallen below (violated) when coming close to active parts.

  • Page 102: First Inspection After Installation Or Repair

    Maintenance 9.3 Inspection and maintenance Note Inspection specifications • Carefully comply with the relubrication intervals for rolling bearings that deviate from the inspection intervals. • When servicing a three-phase machine, it is generally not necessary to dismantle it. The machine only has to be dismantled if the bearings are to be replaced. 9.3.3 First inspection after installation or repair Perform the following checks after approximately 500 operating hours or at the latest six...

  • Page 103: General Inspection

    Maintenance 9.3 Inspection and maintenance 9.3.4 General inspection Check that the installation conditions are observed. We recommend doing this after approx. 16 000 operating hours. Check the following at the latest after 2 years: Table 9-2 Checks that have to be performed during the general inspection Checking When the At stand‐...

  • Page 104: Maintenance Intervals

    Maintenance 9.3 Inspection and maintenance 9.3.6 Maintenance intervals Please note the following in order to identify faults at an early stage, rectify them and avoid follow-on damage: • Maintain the machine regularly and carefully. • Inspect the machine. • Motors must be allocated a revision/inspection number after inspection. NOTICE Motor failure Material damage can occur if the machine develops faults or is overloaded.

  • Page 105: Re-Greasing

    Maintenance 9.3 Inspection and maintenance 9.3.7 Re-greasing For machines with regreasing system, relubrication intervals, grease quantity and grease grade are provided on the lubricant plate. Additional data can be taken from the main machine rating plate. Grade of grease for standard motors (IP55) UNIREX N3 - ESSO. Note It is not permissible to mix different types of grease.

  • Page 106: Cleaning The Fan Cover Of Machines For The Textile Industry

    Maintenance 9.3 Inspection and maintenance Cleaning the cooling air ducts Regularly clean the cooling air ducts through which the ambient air flows. The frequency of the cleaning intervals depends on the local degree of fouling. Damage to the machine when cleaning with compressed air or water jets •...

  • Page 107: Insulation Resistance And Polarization Index

    Maintenance 9.3 Inspection and maintenance 9.3.11 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the machine. It is therefore important to check the insulation resistance and the polarization index at the following times: •...

  • Page 108: Corrective Maintenance

    Maintenance 9.4 Corrective maintenance Servicing the separately driven fan motor • Occasionally inspect the separately driven fan motor, and check it electrically and mechanically every time the rolling bearings are replaced. • Replace the permanently lubricated rolling bearing of the separately driven fan motor after 40 000 operating hours or 5 years at the latest.

  • Page 109: Rolling Bearings

    Maintenance 9.4 Corrective maintenance 9.4.2 Rolling bearings Refer to the rating plate or the catalog for the designations of the bearings being used. Bearing lifetime Prolonged storage periods reduce the useful lifetime of the bearing grease. For permanently lubricated bearings, this reduces the bearing service life. We recommend that the grease is replaced after a storage time of 12 months.

  • Page 110: Bearing Bushes

    Maintenance 9.4 Corrective maintenance ① Heat up 80 ... 100 °C 9.4.2.1 Bearing bushes Protect the bearings against the ingress of dirt and moisture. 9.4.2.2 Fitting the bearing cartridges When fitting the bearing cartridges, observe the specified screw tightening torques. 9.4.2.3 Installing bearings Sealing the bearings Note the following details: •...
  • Page 111 Maintenance 9.4 Corrective maintenance • Seal the bearing cap screws with the appropriate gaskets or with grease. • Do not interchange the position of the bearing covers (DE and NDE or inner and outer). Danger as a result of rotor falling out If the motor is in a vertical position, the rotor can fall out while work is being performed on the locating bearing.

  • Page 112: Mounting Dimension "X

    Maintenance 9.4 Corrective maintenance 13.Install the outer bearing cover, if available. 14.Install the sealing elements: 9.4.3 Mounting dimension "x" Mounting dimension "x" of V rings Shaft height   Standard design               13.5 ±1.2 280 ... 355 Special design •...

  • Page 113: Mounting Fans

    Maintenance 9.4 Corrective maintenance • Do not apply any hammer blows to avoid damaging the rotor shaft, the fan and the bearings. • Order the appropriate new parts if damaged. 9.4.4.2 Mounting fans • Take care not to damage the snapping mechanisms on fans that are equipped with these. •...

  • Page 114: Reassembly: Miscellaneous Information

    9.4.10 Optional add-on units Note Further documents Observe all of the other documents provided with this machine. You can find additional operating instructions here: Siemens Industry Online Support on the Web (Page 12) 9.4.10.1 Mounting a brake (optional) Table 9-5 Assigning standard brakes for 1LE5 machines...
  • Page 115 Maintenance 9.4 Corrective maintenance • Terminal box sealing • etc. 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...
  • Page 116 Maintenance 9.4 Corrective maintenance 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 117: Spare Parts

    Determining the spare parts via the Internet You can use "Spares on Web" to determine the order numbers for motor spare parts quickly and easily. Spares on Web (https://www.sow.siemens.com/?lang=en) 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 118: Replacing Rolling Bearings

    Spare parts 10.5 Groups of parts 10.3 Replacing rolling bearings Rolling bearings When ordering rolling bearings, in addition to the bearing identification code, the supplementary specifying code is also necessary for the bearing version. Both of these codes are stamped on the lubricant plate and specified in the motor documentation, or can also be taken from the installed bearings.

  • Page 119: Ordering Example

    • For up to 3 years after the delivery of the original machine, in the event of total machine failure, Siemens will supply a comparable replacement machine with regard to the mounting dimensions and functions; it is possible that this will involve a new series.
  • Page 120 Spare parts 10.7 Machine parts Part Description Part Description 1.43 Shaft sealing ring 5.58 Mounting rail 1.44 Bearing cover DE, inner 5.59 Connecting bar 1.46 Cover ring 5.60 Terminal board screw 1.49 Screw 5.63 Mounting rail 1.58 Spring washer 5.68 Sealing plugs 1.60 Rolling bearings 5.75...

  • Page 121: Standardized Parts

    Spare parts 10.8 Standardized parts 10.8 Standardized parts Table 10-2 Purchase standard parts according to dimensions, material and surface properties through normal commercial channels. Standard Picture Standard Picture 6.02 DIN 471 6.75 EN ISO 4026   4.04 DIN 580 5.55 EN ISO 4032 1.60 DIN 625 4.39...

  • Page 122: Exploded Drawings

    Spare parts 10.9 Exploded drawings 10.9 Exploded drawings 10.9.1 1LE5, 1PC4 shaft height 280 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 123: Terminal Box, Shaft Height 280

    Spare parts 10.9 Exploded drawings 10.9.2 Terminal box, shaft height 280 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 124: 1Le5, 1Pc4 Shaft Height 315

    Spare parts 10.9 Exploded drawings 10.9.3 1LE5, 1PC4 shaft height 315 Overall length 1LE5/1PC4_ _ _ - _ _ _ 6 , 7, 8 2-pole, 4-pole The overall length corresponds to the 11th position of the machine type on the rating plate. 1LE5, 1PC4 shaft heights 280 ...

  • Page 125: Terminal Box, Shaft Height 315

    Spare parts 10.9 Exploded drawings 10.9.4 Terminal box, shaft height 315 Overall length 1LE5/1PC4_ _ _ - _ _ _ 6 , 7, 8 2-pole, 4-pole The overall length corresponds to the 11th position of the machine type on the rating plate. 1LE5, 1PC4 shaft heights 280 ...

  • Page 126: 1Le5, 1Pc4 Shaft Height 315

    Spare parts 10.9 Exploded drawings 10.9.5 1LE5, 1PC4 shaft height 315 Overall length 1LE5/1PC4_ _ _ - _ _ _ 0, 2, 4, 5, 6 6-pole, 8-pole The overall length corresponds to the 11th position of the machine type on the rating plate. 1LE5, 1PC4 shaft heights 280 ...

  • Page 127: Terminal Box, Shaft Height 315

    Spare parts 10.9 Exploded drawings 10.9.6 Terminal box, shaft height 315 Overall length 1LE5/1PC4_ _ _ - _ _ _ 0, 2, 4, 5, 6 6-pole, 8-pole The overall length corresponds to the 11th position of the machine type on the rating plate. 1LE5, 1PC4 shaft heights 280 ...

  • Page 128: 1Le5, 1Pc4 Shaft Height 355

    Spare parts 10.9 Exploded drawings 10.9.7 1LE5, 1PC4 shaft height 355 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 129: Terminal Box, Shaft Height 355

    Spare parts 10.9 Exploded drawings 10.9.8 Terminal box, shaft height 355 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...
  • Page 130 Spare parts 10.9 Exploded drawings 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 131: Disposal

    Disposal 11.1 Introduction Protecting the environment and preserving its resources are corporate goals of the highest priority for us. Our worldwide environmental management system to ISO 14001 ensures compliance with legislation and sets high standards in this regard. Environmentally friendly design, technical safety and health protection are always firm goals even at the product development stage.

  • Page 132: Preparing For Disassembly

    Disposal 11.6 Disposal of components 11.4 Preparing for disassembly Disassembly of the machine must be carried out and/or supervised by qualified personnel with appropriate expert knowledge. 1. Contact a certified waste disposal organization in your vicinity. Clarify what is expected in terms of the quality of dismantling the machine and provision of the components.
  • Page 133 Disposal 11.6 Disposal of components Process materials and chemicals Sort the process materials and chemicals for recycling according to whether they are for example: • Oil • Grease • Cleaning substances and solvents • Paint residues • Anti-corrosion agent • Coolant additives such as inhibitors, antifreeze or biocides Dispose of the separated components according to local regulations or via a specialist disposal company.
  • Page 134 Disposal 11.6 Disposal of components 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 135: Technical Specifications

    The Siemens Product Configurator can be used on the internet without any installation. The Siemens Product Configurator is available through the Siemens Industry Mall at the following address: Siemens Product Configurator (www.siemens.com/spc)

  • Page 136: Terminal Board And Grounding

    Technical specifications A.1 Tightening torques Non-standard tightening torques Different tightening torques for electrical connections and bolted connections for parts with flat seals or insulating parts are specified in the relevant sections and drawings. A.1.2 Terminal board and grounding Table A-2 Tightening torques for electrical connections on the terminal board and grounding Thread ∅...
  • Page 137 Technical specifications A.1 Tightening torques Refer to the table in order to identify the correct tightening torque for any metal and plastic cable glands that are to be mounted directly on the machine, as well as for any other screw-type connections (such as adapters). Table A-4 Tightening torques for cable glands  ...
  • Page 138 Technical specifications A.1 Tightening torques 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...

  • Page 139: Quality Documents

    Quality documents Quality documents SIMOTICS in SIOS You can find the quality documents here: https://support.industry.siemens.com/cs/ww/de/ps/13310/cert (https:// support.industry.siemens.com/cs/ww/en/ps/13310/cert) 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...
  • Page 140 Quality documents B.1 Quality documents SIMOTICS in SIOS 1LE5, 1PC4 shaft heights 280 ... 355 Operating Instructions, 11/2022, A5E41454666A...
  • Page 142 More information Siemens: Industry Online Support (service and support): www.siemens.com/online-support IndustryMall: www.siemens.com/industrymall Germany...

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