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Siemens SIMOTICS SD 1LE5 Operating Instructions Manual
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Siemens SIMOTICS SD 1LE5 Operating Instructions Manual

Siemens SIMOTICS SD 1LE5 Operating Instructions Manual

Low-voltage motors
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Summary of Contents for Siemens SIMOTICS SD 1LE5

  • Page 3 Introduction Safety information SIMOTICS SD Description Preparing for use Low-voltage motors 1LE5, 1PC4 shaft height 315/355 Assembly Electrical connection Operating Instructions Commissioning Operation Maintenance Spare parts Disposal Service & support Technical specifications Quality documents 10/2020 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

    Table of contents Introduction ............................9 About these instructions ...................... 9 Compiling personal documents .................... 9 Safety information ..........................11 Information for those responsible for the plant or system ........... 11 The 5 safety rules ....................... 11 Qualified personnel......................12 Safe handling ........................
  • Page 6 Table of contents Transport and storage ......................28 4.5.1 Safety instructions for transport ..................28 4.5.1.1 Types of construction on the rating plate ................30 4.5.2 Transport ........................... 31 4.5.3 Storage..........................31 4.5.4 Securing the rotor ......................33 4.5.5 Commissioning after storage ..................... 35 4.5.5.1 Insulation resistance and polarization index ...............
  • Page 7 Table of contents 5.5.2.1 Selecting bolts ........................54 5.5.2.2 Horizontal types of construction with mounting feet ............54 5.5.2.3 Horizontal types of construction with flange............... 55 5.5.2.4 Vertical types of construction with flange ................55 5.5.3 Removing the rotor shipping brace ..................56 5.5.4 Recommended alignment accuracy ..................
  • Page 8 Table of contents 8.1.1 Safety instructions in operation - anti-condensation heating ..........84 8.1.2 Safety instructions relating to ventilation ................84 8.1.2.1 Safety instruction for forced ventilation (option) ..............84 8.1.2.2 Safety instructions when operating machines with fan ............84 8.1.2.3 Machines with fan for the textile industry................
  • Page 9 Table of contents 9.3.5 Tightening torques ......................105 9.3.6 Screw lock washers ......................105 9.3.7 Links ..........................105 9.3.8 Reassembly: Miscellaneous information ................106 9.3.9 Optional add-on units ...................... 106 9.3.9.1 Mounting a brake (optional) .................... 106 9.3.10 O-ring seal ........................106 Spare parts ............................

  • Page 11: Introduction

    On the Internet pages in Industry Online Support you have the possibility of compiling personal documents using the function Documentation (https://support.industry.siemens.com/My/ww/en/documentation) Using the "Documentation" function, from Product Support manuals, you can compile your own "Documentation". However, you can also include other Product Support content such as FAQs or characteristics in the documentation that you compile.
  • Page 12 Introduction 1.2 Compiling personal documents Using the "Documentation" function, you can efficiently compile your own plant or system documentation. The "Documentation" compiled in a specific language can also be automatically exported in one of the other available languages. The full functionality is only available for registered users. 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 13: Safety Information

    Safety information Information for those responsible for the plant or 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. Please observe the country-specific regulations when using the electric machine outside the European Community.

  • Page 14: Qualified Personnel

    Safety information 2.3 Qualified personnel 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 15 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 16: Electrostatic Sensitive Devices

    Safety information 2.5 Electrostatic sensitive devices • It is forbidden for people with pacemakers to be close to the machine. • Do not carry any magnetic or electronic data media. Electrostatic sensitive devices Material damage due to electrostatic discharge Electronic modules contain components that can be destroyed by electrostatic discharge. These components can be damaged or destroyed if they are not handled correctly.

  • Page 17: Electromagnetic Compatibility

    Safety information 2.6 Electromagnetic compatibility Electromagnetic compatibility Electromagnetic compatibility This machine is designed in accordance with IEC/EN 60034, and when used as specified, it complies with the requirements of European Directive 2014/30/EU regarding Electromagnetic Compatibility. Interference immunity By selecting suitable signal cables and evaluation units, ensure that the interference immunity of the machine is not diminished.

  • Page 19: 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 20: Rating Plate

    Description 3.2 Rating plate Use of machines without EAC marking EAC machines are appropriately marked on the rating plate, and are intended for operation within the Eurasian customs union. Within the Eurasian customs union, do not use machines without the appropriate EAC marking.

  • Page 21: Installation

    Description 3.3 Installation Item Description Item Description Mechanical data NEMA data (optional) Frame size Anti-condensation heating (optional) Type of construction Degree of protection Machine weight [kg] Temperature class Ambient temperature range (optional) Installation altitude (only if higher than 1000 m) Vibration severity grade Bearing sizes Relubrication data/specifications (optional)

  • Page 22: Regulations

    Description 3.3 Installation 3.3.2 Regulations The regulations and standards used as the basis for designing and testing this machine are stamped on the rating plate. The machine design basically complies with the following standards: Table 3- 1 Applicable general regulations Feature Standard Dimensioning and operating behavior...

  • Page 23: 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 24: Bearings

    Description 3.3 Installation Surface cooling by relative movement of cooling air: Cooling method IC 418 according to EN / IEC 60034-6 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.
  • Page 25 Description 3.3 Installation Table 3- 2 Type of construction Basic type of construc- Diagram Other methods of Diagram tion code installation 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- Diagram...

  • Page 26: 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.

  • Page 27: Paint Finish

    Description 3.3 Installation • Measuring nipple for SPM shock pulse measurement for bearing monitoring • Backstop 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 sensors for bearing temperature monitoring or winding monitoring, for example.

  • Page 29: Preparing For Use

    Preparing for use Good planning and preparation of machine applications are essential in terms of keeping installation simple and avoiding errors, ensuring safe operation, and allowing access to the machine for servicing and corrective maintenance. This chapter outlines what you need to consider when engineering/configuring your plant in relation to this machine and the preparations you need to make before the machine is delivered.

  • Page 30: Delivery

    The drive systems are put together on an individual basis. When you take receipt of the delivery, please check immediately whether the items delivered are in accordance with the accompanying documents. Siemens will not accept any claims relating to items missing from the delivery and which are submitted at a later date.
  • Page 31 Preparing for use 4.5 Transport and storage Danger when incorrectly lifting and transporting Danger of death, serious injury, or substantial material damage caused by tipping or falling transported goods. Comply with the following safety instructions: • All work must be performed with due caution and care. •...

  • Page 32: Types Of Construction On The Rating Plate

    Preparing for use 4.5 Transport and storage Danger when incorrectly lifting and transporting The motor can slide or topple over if it is not correctly lifted or transported. This can result in death, serious injury or material damage. • Use all the lifting eyes on the machine. •...

  • Page 33: Transport

    Preparing for use 4.5 Transport and storage 4.5.2 Transport If any transport locks are in place, remove them before commissioning. Store the transport locks or disable them. Use the transport locks when transporting the motors again or reactivate the transport locks. The machines are packed in different ways depending on how they are transported and their size.
  • Page 34 Preparing for use 4.5 Transport and storage Bare metal surfaces For transport, the bare surfaces (shaft ends, flange surfaces, centering edges) should be coated with an anti-corrosion agent which will last for a limited amount of time (<6 months). Apply suitable anti-corrosion measures for longer storage times. Condensation drain hole Open any condensation drain holes to drain the condensation depending on the environmental conditions, every six months at the latest.

  • Page 35: Securing The Rotor

    Preparing for use 4.5 Transport and storage 4.5.4 Securing the rotor Depending on the version, the machine is fitted with a rotor shipping brace. This protects the bearings against damage due to shock and vibration during transport or storage. NOTICE Motor damage due to vibrations Not using the rotor shipping brace can cause damage to the machine if it is jolted during transport or storage.
  • Page 36 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. ① Sleeve ② Shaft screw and washer Figure 4-1 Axial fastening of the rotor Thread in the shaft extension...

  • Page 37: 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 38: 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 carefully observe the following points. • Do not obstruct ventilation. • Prevent the air expelled by neighboring equipment from being immediately sucked in again.
  • Page 39 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 ma- chine Table 4- 2 Minimum dimension "x" for the distance between adjacent modules and the air intake of the machine Shaft height 1LE5, 1PC4 shaft height 315/355...

  • Page 40: Interlock Circuit For Anti-Condensation Heating

    Preparing for use 4.7 Interlock circuit for anti-condensation heating 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 41: Rotational Speed Limit Values

    Preparing for use 4.10 Rotational speed limit values 4.10 Rotational speed limit values Danger as a result of resonance within certain speed ranges At over-critical speeds, machines encounter resonance within certain speed ranges. Such vibrations can reach impermissibly high levels. This can result in death, serious injury or material damage.

  • Page 42: Converter Operation

    Preparing for use 4.13 Converter operation Note Converter • If operated with a frequency converter, the emitted interference varies in strength, depending on the design of the converter (type, interference suppression measures, manufacturer). • Avoid that the specified limit values stipulated for the drive system (consisting of the motor and converter) are exceeded.

  • Page 43: Converter Input Voltage

    Preparing for use 4.13 Converter operation • Do not exceed the specified maximum speed limit n . You can either find this on the rating plate n or on the supplementary plate for converter operation as the highest speed. • Check that the machine is cooled sufficiently for commissioning purposes. 4.13.2 Converter input voltage The insulation system of SIMOTICS machines always complies with the requirements of stress...
  • Page 44 • In the overall system, set up a properly meshed grounding system with low impedance. • Use the common-mode filter (damping cores) at the converter output. The Siemens sales representative is responsible for selection and dimensioning.

  • Page 45: Insulated Bearings For Converter Operation

    Preparing for use 4.13 Converter operation 4.13.4 Insulated bearings for converter operation If the machine is controlled from a low-voltage converter, depending on the machine type, an insulated bearing can be fitted at the NDE. An insulated speed encoder can be optionally mounted. Comply with the information provided on the machine plates relating to bearing insulation and possible jumpers.

  • Page 46: Tandem Operation

    Preparing for use 4.13 Converter operation NOTICE Bearing damage Bearing currents can flow if the coupling between the motors of the tandem drive is not insulated. This can damage the DE bearings of both motors. • Use an insulated coupling to couple the motors. 4.13.5 Tandem operation If you connect two motors in series in "tandem operation", locate a coupling between the...

  • Page 47: Assembly

    Assembly Observe the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 11). • Comply with the applicable national and sector-specific regulations. • When using the machine within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.

  • Page 48: Preparing For Installation

    Assembly 5.2 Preparing for installation Loss of conformity with European directives In the delivery state, the machine corresponds to the requirements of the European directives. Unauthorized changes or modifications to the machine lead to the loss of conformity with European Directives and the loss of the associated warranty. Preparing for installation 5.2.1 Requirements for installation...

  • Page 49: 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 50 Assembly 5.2 Preparing for installation 3. If power cables are connected, ensure that a line voltage cannot be applied. If no power cables are connected, this reduces the effect of the I/O devices on the measurement. 4. Measure the winding temperature and the insulation resistance of the winding in relation to the machine enclosure.
  • Page 51 Assembly 5.2 Preparing for installation Conversion to the reference temperature When measuring at winding temperatures other than 40 °C, convert the measured value to the reference temperature of 40 °C according to the following equations from IEC 60034-27- 4 and IEEE 43-2000. Insulation resistance converted to 40°...

  • Page 52: Installing The Machine

    Assembly 5.3 Installing the machine NOTICE Damage to insulation If the critical insulation resistance is reached or undershot, this can damage the insulation and cause voltage flashovers. • Contact the service center (Page 123). • If the measured value is close to the critical value, you must subsequently check the insulation resistance at shorter intervals.

  • Page 53: Machines With Type Of Construction Im B15, Im B9, Im V8 And Im V9

    Assembly 5.3 Installing the machine • Avoid exposing them to direct, intense solar radiation, rain, snow, ice, or also dust for extended periods. Attach a covering structure or an additional cover when using or storing outdoors. • Do not exceed the permissible axial and radial forces. 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...

  • Page 54: Aligning And Fixing The Machine

    Assembly 5.4 Aligning and fixing the machine • Professionally touch up damaged painted surfaces. • Observe the information provided in Chapter Aligning and mounting (Page 52) Aligning and fixing the machine Observe the following when aligning and mounting: • Ensure a flat and uniform contact surface for foot and flange mounting. •...

  • Page 55: 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 56: 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 57: 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 58: 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.

  • Page 59: 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 60 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 61 Assembly 5.5 Installing the machine 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. The drive output element must be correctly mounted. The balance quality corresponds to vibration severity grade "A" for the complete machine; vibration severity grade "B"...

  • Page 63: Electrical Connection

    Electrical connection Safety instructions for the electrical connection Observe the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 11). • Comply with the applicable national and sector-specific regulations. • When using the machine within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.

  • Page 64: 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 (Page 123). Connecting the machine 6.2.1 Selecting cables Take the following criteria into account when selecting the connecting cables: •...

  • Page 65: 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.

  • Page 66: Terminal Marking

    Electrical connection 6.2 Connecting the machine • If you interchange 2 connections, e.g. L1, L2, L3 at V, U, W or according to NEMA at T2 T1 T3, then the machine rotates counterclockwise. Direction of According to IEC According to NEMA rotation Line feeder cables L1 L2 L3...

  • Page 67: 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 68: 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 ≤...

  • Page 69: 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 70: Connecting The Temperature Sensor/Anti-Condensation Heater

    Electrical connection 6.5 Connecting the temperature sensor/anti-condensation heater Internal ground terminal When making connections, ensure the following: • Ensure that the connecting surface is bare and is protected against corrosion using a suitable substance, e.g. acid-free Vaseline. • Arrange the flat washer and spring washer under the bolt head. •...

  • Page 71: Conductor Connection

    Electrical connection 6.6 Conductor connection Connecting temperature sensor/anti-condensation heating in the terminal box. FS 315 FS 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 72: Type Of Conductor Connection

    Electrical connection 6.6 Conductor connection 6.6.1 Type of conductor connection Terminal board Shaft height 315 Shaft height 355 Shaft height 315 + R50 TB3Q01 TB3Q61 TB3R01 TB3R61 Max. Recom- Max. Recom- Max. Recom- Max. Recom- con- mended con- mended con- mended con- mended...

  • Page 73: Connecting Aluminum Conductors

    Electrical connection 6.7 Connecting converters 6.6.2 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 74: 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 (e.g. VSD 10) Rated motor voltage Maximum peak voltage at the motor terminals Û Û DC link U phase-to-phase phase-to-ground ≤...

  • Page 75: Commissioning

    Commissioning Observe the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 11). • Comply with the applicable national and sector-specific regulations. • When using the machine within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.

  • Page 76: Mechanical And Electrical Check

    Commissioning 7.1 Measures before commissioning See also Tightening torques for screw and bolt connections (Page 125) • 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.

  • Page 77: Converter Operation

    Commissioning 7.1 Measures before commissioning • Set the values for "Alarm" and "Shutdown" at the monitoring devices. • Carefully ensure that temperature-sensitive parts and components, e.g. cables are not in contact with the machine enclosure. 7.1.3 Converter operation Converter operation •...

  • Page 78: Testing The Cooling Of The Machine

    Commissioning 7.1 Measures before commissioning 7.1.5 Testing the cooling of the machine Cooling • Check that the machine cooling is available for commissioning. See also Preparing for use (Page 27) 7.1.6 Commissioning an external fan The external fan ensures that the machine is cooled irrespective of the machine speed or direction of rotation.

  • Page 79: Further Documents

    Commissioning 7.1 Measures before commissioning Note Use these operating instructions for motors with external fans. 7.1.7 Further documents Note Further documents Observe all of the other documents provided with this machine. 7.1.8 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 80: 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 the machine off prematurely.

  • Page 81: Test Run

    Commissioning 7.2 Switching on 7.2.1 Test run After installation or inspection, carry out a test run: 1. Start up 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 up and still running at slow speed should be kept to a bare minimum, for example for checking the direction of rotation or for checking in general.
  • Page 82 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 83: Operation

    Operation Observe the following when carrying out any work on the machine: • Comply with the general safety instructions (Page 11). • Comply with the applicable national and sector-specific regulations. • When using the machine within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.
  • Page 84 Operation 8.1 Safety instructions for operation 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 85 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 86: Safety Instructions In Operation - Anti-Condensation Heating

    Operation 8.1 Safety instructions for operation 8.1.1 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 87: Switching On The Machine

    Operation 8.2 Switching on the machine These machines have a warning sticker on the fan cover. Switching on the machine 1. If at all possible, run the machine without 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...

  • Page 88: Stoppages

    Operation 8.6 Stoppages Stoppages The stoppage is a shutdown for a period of time, during which the machine is stopped but remains at the location of use. Under normal ambient conditions, e.g. the stationary machine is not exposed to any vibration, no increased level of corrosion, ...

  • Page 89: 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 90: 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 ↓...

  • Page 91: 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. Rotor or coupling not balanced. Disconnect the rotor or coupling and rebalance.

  • Page 92: Rolling Bearing Faults

    Operation 8.7 faults 8.7.4 Rolling bearing faults Damage to rolling bearings can be difficult to detect in some cases. If in doubt, replace the rolling bearing. Use other bearing designs only after consulting the manufacturer. Table 8- 3 Rolling bearing faults ↓...

  • Page 93: Maintenance

    Maintenance 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 conditions and characteristics can vary widely. For this reason, only general maintenance intervals can be specified here.

  • Page 94: Customs Union Eurasia (Optional)

    Maintenance 9.2 Inspection and maintenance 9.1.2 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 9.1.3 Touch up any damaged paintwork If the paint is damaged, it must be repaired in order to protect the unit against corrosion.
  • Page 95 Maintenance 9.2 Inspection and maintenance 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.

  • Page 96: Inspections In The Event Of Faults

    Maintenance 9.2 Inspection and maintenance 9.2.2 Inspections in the event of faults Natural disasters or unusual operating conditions, such as overloading or short circuit, are faults that overload the machine electrically or mechanically. Immediately perform an inspection after such faults. Note Inspection specifications •...

  • Page 97: General Inspection

    Maintenance 9.2 Inspection and maintenance 9.2.4 General inspection Check that the installation conditions are observed. We recommend that the following checks are performed after approx. 16 000 operating hours or at the latest after two years: Table 9- 2 Checks that have to be performed during the general inspection Checking When the At stand-...

  • Page 98: Maintenance Intervals

    Maintenance 9.2 Inspection and maintenance 9.2.6 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 99: Re-Greasing

    Maintenance 9.2 Inspection and maintenance 9.2.7 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 100: Cleaning The Fan Cover Of Machines For The Textile Industry

    Maintenance 9.2 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 101: Insulation Resistance And Polarization Index

    Maintenance 9.2 Inspection and maintenance 9.2.11 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 102: Corrective Maintenance

    Maintenance 9.3 Corrective maintenance • There must be a clearance of at least 1 x air intake diameter in the axial direction. • A uniform gap must be maintained between the impeller and the air intake assembly. Servicing the external fan motor •...

  • Page 103: Rolling Bearings

    Maintenance 9.3 Corrective maintenance 9.3.1 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 104: Bearing Bushes

    Maintenance 9.3 Corrective maintenance ① Heat up 80 ... 100 °C 9.3.1.1 Bearing bushes Protect the bearings against the ingress of dirt and moisture. 9.3.1.2 Fitting the bearing cartridges When fitting the bearing cartridges, observe the specified screw tightening torques. 9.3.1.3 Installing bearings Sealing the bearings...
  • Page 105 Maintenance 9.3 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 106: Mounting Dimension "X

    Maintenance 9.3 Corrective maintenance 13. Install the outer bearing cover if one is being used. 14. Install the sealing elements: See also Replacing rolling bearings (Page 108) 9.3.2 Mounting dimension "x" Mounting dimension "x" of V rings Shaft height Standard design 13.5 ±1.2 Special design •...

  • Page 107: Mounting Fans

    Maintenance 9.3 Corrective maintenance • Alternatively, place the pulling tool at the outer edge of the fan plate. • Uniformly withdraw the fan from the shaft by turning the pressure screw of the pulling tool. • Do not apply any hammer blows to avoid damaging the rotor shaft, the fan and the bearings.

  • Page 108: Reassembly: Miscellaneous Information

    Maintenance 9.3 Corrective maintenance 9.3.8 Reassembly: Miscellaneous information • Position all rating and supplementary plates as in the original state. • Where relevant, fix electric cables. • Check the tightening torques of all screws, as well as those of screws that have not been released.

  • Page 109: Spare Parts

    10.2 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 110: Replacing Rolling Bearings

    • 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 111: Ordering Example

    • After the delivery of the original motor, spare parts will be available for up to 5 years. For an additional period of 5 years, Siemens provides information about spare parts, and when required, provides documentation.

  • Page 112: Machine Parts

    Spare parts 10.6 Machine parts 10.6 Machine parts Part Description Part Description 1.00 DE bearings 5.49 Screw 1.30 Screw 5.54 O ring 1.40 Bearing shield 5.55 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...

  • Page 113: Standardized Parts

    Spare parts 10.7 Standardized parts 10.7 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...

  • Page 114: 10.8 Exploded Drawings

    Spare parts 10.8 Exploded drawings 10.8 Exploded drawings 10.8.1 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 115: Terminal Box, Shaft Height 315

    Spare parts 10.8 Exploded drawings 10.8.2 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 116: 1Le5, 1Pc4 Shaft Height 315

    Spare parts 10.8 Exploded drawings 10.8.3 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 117: Terminal Box, Shaft Height 315

    Spare parts 10.8 Exploded drawings 10.8.4 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 118: 1Le5, 1Pc4 Shaft Height 355

    Spare parts 10.8 Exploded drawings 10.8.5 1LE5, 1PC4 shaft height 355 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 119: Terminal Box, Shaft Height 355

    Spare parts 10.8 Exploded drawings 10.8.6 Terminal box, shaft height 355 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 121: Disposal

    Disposal 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 122: Preparing For Disassembly

    Disposal 11.3 Preparing for disassembly 11.3 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 123 Disposal 11.5 Disposal of components • Non-ferrous metal, e.g. windings The winding insulation is incinerated during copper recycling. • Insulating materials • Cables and wires • Electronic waste Process materials and chemicals Sort the process materials and chemicals for recycling according to whether they are for example: •...

  • Page 125: Service & Support

    (www.siemens.com/yourcontact) Siemens Support for on the move With the "Siemens Industry Online Support" App, you can access more than 300,000 documents for Siemens Industry products – any time and anywhere. The App supports you in the following areas: •...

  • Page 126: Further Documents

    Service & support A.1 Further documents Further documents These operating instructions can also be obtained at the following Internet site: http://support.industry.siemens.com 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 127: Technical Specifications

    Technical specifications Tightening torques B.1.1 Tightening torques for screw and bolt connections Bolt locking devices • Refit nuts or bolts that are mounted together with locking, resilient, and/or force- distributing elements with identical, fully-functional elements when re-assembling. Always renew keyed elements. •...

  • Page 128: Terminal Board And Grounding

    Technical specifications B.1 Tightening torques B.1.2 Terminal board and grounding Table B- 2 Tightening torques for electrical connections on the terminal board and grounding Thread ∅ M 3.5 M 10 M 12 M 16 Max. B.1.3 Terminal boxes, end shields, grounding conductors, sheet metal fan covers If no other tightening torques are specified, then the values in the following table apply.

  • Page 129: Cable Glands

    Technical specifications B.1 Tightening torques B.1.4 Cable glands Note Avoid damaging the cable jacket. Adapt the tightening torques to the cable jacket materials. You should refer to the table in order to find 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).
  • Page 130 Technical specifications B.1 Tightening torques 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 131: 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 height 315/355 Operating Instructions, 10/2020, A5E41454666A...
  • Page 132 Quality documents C.1 Quality documents SIMOTICS in SIOS 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

  • Page 133: Index

    Index Disposal, 120 Disposal " Chemicals, 121 Components, 120 "Siemens Industry Online Support" App, 123 Drive output element, 58 Aligning, 55 Electrical faults, 88 Aluminum conductors, 71 Electromagnetic compatibility, 15 Anti-condensation heating, 38 Electromagnetic fields, 13 Insulation resistance, 50 Emergency off, 85...
  • Page 134 Noise emissions, 13 Hot surfaces, 13 Live parts, 12 Rotating parts, 12 Selection of bolts, 54 On-site service, 123 Siemens Industry Online Support O-ring seals, 106 App, 123 Over-critical machine, 39 SIMOTICS Digital Data, 107 Spare parts, 108, 123 Spares on Web, 107...
  • Page 135 Index Tandem operation, 43 Technical Support, 123 Terminal marking, 64 Test run, 79 Tightening torques, 61 Bolted connection, 125 Vibration values, 39, 80 Voltage fluctuations, 38 1LE5, 1PC4 shaft height 315/355 Operating Instructions, 10/2020, A5E41454666A...

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