Siemens SIMOTICS TN N-compact 1LH8 Operating Instructions & Installation Instructions
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Siemens SIMOTICS TN N-compact 1LH8 Operating Instructions & Installation Instructions

Siemens SIMOTICS TN N-compact 1LH8 Operating Instructions & Installation Instructions

Low-voltage motor
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Edition
06/2017
Operating Instructions
Installation Instructions
Low-voltage motor
SIMOTICS TN Series N-compact
Type 1LH8
www.siemens.com/drives

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Summary of Contents for Siemens SIMOTICS TN N-compact 1LH8

  • Page 1 Operating Instructions Installation Instructions Low-voltage motor SIMOTICS TN Series N-compact Type 1LH8 Edition 06/2017 www.siemens.com/drives...
  • Page 2 06.06.2017 10:16 V15.00...
  • Page 3 Introduction Safety information Description Low-voltage motor Preparations for use SIMOTICS TN Series N-compact Type 1LH8 Assembly Electrical connection Operating Instructions Installation Instructions Start-up Operation Maintenance Spare parts Disposal Service and Support Technical data Quality documents Edition 06/2017...

  • Page 4: Assembly

    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..............................11 About these instructions......................11 Compiling personal documents....................11 Safety information............................13 Information for the nominated person in control of the electrical installation......13 The five safety rules.......................13 Qualified personnel........................14 Safe handling.........................14 Electrostatic sensitive devices....................16 Interference immunity......................17 Influence on the line power supply through a strongly irregular torque........17 Interference voltages when operating the converter..............17 Electromagnetic fields when operating electrical power engineering installations....18 Description..............................19...
  • Page 6 Table of contents 4.14.3 Lifting and transportation......................30 4.14.4 Securing the rotor........................31 4.14.5 Transporting the machine set....................33 4.14.6 Storage...........................33 4.14.7 Protecting the cooling water circuit during storage..............36 4.14.8 Protection against corrosion....................36 4.15 Converter operation.......................37 4.15.1 Supply line configuration......................37 4.15.2 Converter input voltage......................37 4.15.3 Reducing bearing currents.....................38 4.15.4...
  • Page 7 Table of contents 6.3.5 Connecting the machine for a specific direction of rotation............67 Introducing and routing the cables..................67 6.4.1 Inserting the cable into the terminal box................67 6.4.2 Laying cables.........................68 6.4.3 Connecting cables with cable lugs..................68 6.4.4 Use of aluminum conductors....................69 6.4.5 Using single-stranded cables....................70 6.4.6...
  • Page 8 Table of contents 8.10.3 Mechanical faults........................89 8.10.4 Cooling system faults......................90 8.10.5 Roller bearing faults.......................91 Maintenance...............................93 Inspection and maintenance....................93 9.1.1 Safety instructions for inspection and maintenance...............93 9.1.2 Measurement of the insulation resistance and polarization index in the context of maintenance work........................95 9.1.3 Inspections in the event of faults....................95 9.1.4...
  • Page 9 Table of contents 10.13 Terminal box 1XB9629......................124 Disposal..............................125 11.1 RoHS - restricting the use of certain hazardous substances..........125 11.2 Preparing for disassembly....................125 11.3 Dismantling the machine......................126 11.4 Disposal of components.......................126 Service and Support..........................129 Technical data............................131 Tightening torques for screw and bolt connections..............131 Quality documents............................133 Index.................................135 Tables...
  • Page 10 Table of contents Table 10-3 Spare parts for drive end roller bearings without bearing housing ...........117 Table 10-4 Spare parts for roller bearings, DE....................118 Table 10-5 Spare parts for non-drive end roller bearings with bearing housing .........119 Table 10-6 Spare parts for non-drive end roller bearings without bearing housing ........120 Table 10-7 Spare parts for roller bearings, NDE ..................121 Table 10-8...

  • Page 11: Introduction

    Compiling personal documents 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 In the "Documentation" function, you have the option of creating your own compiled documents in your own structure and managing them. You can delete or shift individual chapters or topics. Further, using the note function you can import your own content. The compiled "documentation"...

  • Page 13: Safety Information

    Safety information Information for the nominated person in control of the electrical installation 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 4. Ground and short-circuit. 5. Provide protection against adjacent live parts. To energize the system, apply the measures in reverse order. 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: ●...
  • Page 15 Safety information 2.4 Safe handling WARNING Rotating parts Electric machines contain dangerous rotating parts. Fatal or severe injuries and substantial material damage can occur if the covers are removed or if the machine is not handled, operated, or maintained properly. ●...

  • Page 16: Electrostatic Sensitive Devices

    Safety information 2.5 Electrostatic sensitive devices WARNING Noise emissions During operation, the machine's noise emission levels can exceed those permitted at the workplace, which can cause hearing damage. Take steps to reduce noise, such as introducing covers and protective insulation or adopting hearing protection measures, so that the machine can be operated safely within your system.

  • Page 17: Interference Immunity

    Safety information 2.6 Interference immunity The necessary ESD protective measures for electrostatic sensitive devices are illustrated once again in the following drawings: a = conductive floor surfaceb = ESD table c = ESD shoes d = ESD overall e = ESD wristband f = cabinet ground connection Interference immunity By selecting suitable signal cables and evaluation units, companies operating complete plants...

  • Page 18: Electromagnetic Fields When Operating Electrical Power Engineering Installations

    Safety information 2.9 Electromagnetic fields when operating electrical power engineering installations Electromagnetic fields when operating electrical power engineering installations WARNING Interference to electronic devices caused by electrical power equipment Electrical power equipment generate electric fields during operation. Potentially lethal malfunctions can occur in medical implants, e.g. pacemakers, in the vicinity of electrical power equipment.

  • Page 19: Description

    Description Applications This electrical machine has been designed for a wide range of drive and energy conversion applications. The machines are characterized by extreme ruggedness, long service life, and overall reliability. They are also highly versatile, allowing them to be tailored to specific functions.

  • Page 20: Comparison Of Iec And Gost (D47) Standards

    Description 3.1 Comparison of IEC and GOST (D47) standards See also Quality documents (Page 133) Comparison of IEC and GOST (D47) standards Comparison of IEC and GOST standards The IEC/EN standards correspond to the following GOST standards. IEC/EN GOST IEC/EN 60034-1 GOST R IEC 60034-1 IEC/EN 60034-5 GOST R IEC 60034-5...

  • Page 21: Table 3-2 Data On The Rating Plate

    Description 3.1 Comparison of IEC and GOST (D47) standards Table 3-2 Data on the rating plate Item Description Item Description Type of motor (12) Rated speed [rpm] Motor type (13) Starting current ratio Serial number (14) (empty) Type of construction (15) Certificate number Temperature class...

  • Page 22: Table 3-3 Rolling-Contact Bearing Variants

    Description 3.1 Comparison of IEC and GOST (D47) standards Roller-contact bearings The machines are equipped with different types of rolling-contact bearings depending on the version and the operating conditions described in the order. The different types are listed on the lubricant plate of the machine. In converter operation an insulated bearing is usually installed on the non-drive end.
  • Page 23 Description 3.1 Comparison of IEC and GOST (D47) standards Anti-condensation heating (option) The machine is fitted with anti-condensation heating. The connection data is listed on an additional plate on the machine. Leakage-water sensor The leakage-water sensor is fitted in the machine enclosure and provides additional security in the event of leakage.
  • Page 24 Description 3.1 Comparison of IEC and GOST (D47) standards SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 25: Preparations For Use

    Preparations 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 configuring your plant in relation to this machine and the preparations you need to make before the machine is delivered.

  • Page 26: Thermal Motor Protection

    Preparations for use 4.5 Thermal motor protection Table 4-1 Cooling water specification Water analysis Measured values > 7.5 - 10 Conductivity < 600 µS/cm Chloride (Cl < 150 mg/l Manganese (Mn < 0.05 mg/l Fluoride (F) < 0.05 mg/l Sulfate (SO <...

  • Page 27: Interlock Circuit For Anti-Condensation Heating (Option)

    Preparations for use 4.6 Interlock circuit for anti-condensation heating (option) Interlock circuit for anti-condensation heating (option) 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 28: Rotational Speed Limit Values

    Preparations for use 4.9 Rotational speed limit values Rotational speed limit values WARNING 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 29: System-Inherent Frequencies

    Preparations for use 4.12 System-inherent frequencies 4.12 System-inherent frequencies NOTICE System resonances Excessive vibrations and system resonances can damage the machine set. ● Configure and match the system consisting of the foundation and machine set in such a way that no system resonances can arise and result in the permissible vibration levels being exceeded.

  • Page 30: Transport Markings

    Preparations for use 4.14 Transport and storage 4.14.1 Transport markings The packing differs depending on the transport type and size. If not otherwise contractually agreed, the packaging corresponds to the packing guidelines for International Standards for Phytosanitary Measures (ISPM). Note the symbols which appear on the packing. These have the following meanings: Fragile material Keep dry Keep cool...

  • Page 31: Securing The Rotor

    Preparations for use 4.14 Transport and storage WARNING Transport for a different type of construction If you do not transport or lift the machine in a position appropriate for its construction, the machine can tip, slip into the lifting equipment or fall down. This can result in death, serious injury or material damage.

  • Page 32: Figure 4-1 Axial Fastening Of The Rotor

    Preparations for use 4.14 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 ② Sleeve Shaft screw and washer Figure 4-1 Axial fastening of the rotor Thread in the shaft extension...

  • Page 33: Transporting The Machine Set

    Preparations for use 4.14 Transport and storage 4.14.5 Transporting the machine set WARNING Falling down of the machine The lifting lugs on the machine are designed only for the weight of the machine. If a machine set is lifted and transported on a single machine, this can lead to mechanical failure of the lifting lug.
  • Page 34 Preparations for use 4.14 Transport and storage General instructions for storage Wherever possible, store the machine in a storage room. The place of storage must satisfy the following general conditions: ● Select a sufficiently sized dry and horizontal place of storage that is above flood level and free of vibration (v ≤...
  • Page 35 Preparations for use 4.14 Transport and storage NOTICE Improper storage or transport Damage to bearings can result from improper storage or transport. ● On machines that have been supplied with a rotor shipping brace, secure the rotor as per the notes on transportation (Page 31). ●...

  • Page 36: Protecting The Cooling Water Circuit During Storage

    Preparations for use 4.14 Transport and storage 5. Reattach the rotor shipping brace, if present. 6. Pack the machine again. 4.14.7 Protecting the cooling water circuit during storage Anti-freeze protection When supplied, the machine is not filled with cooling water, so that there is no risk of frost damage.

  • Page 37: Converter Operation

    C (IVIC C = high stress). If voltage peaks higher than those specified according to IVIC C can occur, then observe the data in the respective Catalog (http://w3app.siemens.com/ mcms/infocenter/content/en/Pages/order_form.aspx): ● For a line voltage (converter input voltage) up to max. 480 V and operation connected to a SINAMICS G / SINAMICS S converter with uncontrolled/controlled infeed: Comply with the guidelines for configuring motor and converter.

  • Page 38: Reducing Bearing Currents

    Preparations for use 4.15 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. 4.15.3 Reducing bearing currents Taking the following actions will reduce the bearing currents:...
  • Page 39 ● 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 40: Converter Operation On A Grounded Network

    Preparations for use 4.15 Converter operation 4.15.4 Converter operation on a grounded network NOTICE Damage resulting from protective conductor currents When the machine is operated on a converter with current limiter, but without ground-fault monitoring, protective conductor currents of up to 1.7 times the external conductor current can arise if there is a ground fault on the output side.

  • Page 41: Figure 4-3 Schematic Representation Of A Tandem Drive

    Preparations for use 4.15 Converter operation Tandem operation If you connect two motors in series in "tandem operation", install an insulated coupling between the motors. ① ④ Driving machine Insulated bearings ② ⑤ Motor Insulated tachometer fitting ③ ⑥ Coupling Insulated coupling Figure 4-3 Schematic representation of a tandem drive...
  • Page 42 Preparations for use 4.15 Converter operation SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 43: Assembly

    Assembly Observe the following when carrying out any work on the machine: ● Comply with the general safety instructions ● Comply with the applicable national and sector-specific regulations at the place of installation ● 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 44: Insulation Resistance And Polarization Index

    Assembly 5.1 Preparations for installation NOTICE High temperatures The motor components get very hot during operation. High temperatures can damage mounting parts such as the cable insulation. ● Temperature-sensitive parts such as normal cables or electronic components must not rest against or be attached to mounted machine parts. ●...

  • Page 45: Testing The Insulation Resistance And Polarization Index

    Assembly 5.1 Preparations for installation 5.1.3 Testing the insulation resistance and polarization index WARNING Hazardous voltage at the terminals During and immediately after measuring the insulation resistance or the polarization index (PI) of the stator winding, hazardous voltages may be present at some of the terminals. Contact with these can result in death, serious injury or material damage.
  • Page 46 Assembly 5.1 Preparations for installation Conversion to the reference temperature When measuring with winding temperatures other than 40° C, convert the measuring value to the reference temperature of 40° C according to the following equations from IEEE 43-2000. Insulation resistance converted to 40° C reference temperature Temperature coefficient according to equation (2) ·...

  • Page 47: Preparing The Mating Faces

    Assembly 5.2 Lift the machine to where it will be installed, and position it 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 129). ●...

  • Page 48: Checking The Load Handling Attachments

    Assembly 5.2 Lift the machine to where it will be installed, and position it ● Measuring the concentricity and axial eccentricity tolerances ● Positioning the machine If you are not familiar with the prescribed measures and procedures, then you can make use of the services offered by the local Service Center (Page 129).

  • Page 49: Removing The Rotor Shipping Brace From Machines With Vertical Type Of Construction

    Assembly 5.2 Lift the machine to where it will be installed, and position it 5.2.4 Removing the rotor shipping brace from machines with vertical type of construction NOTICE Removing the rotor shipping brace in the horizontal position. Dismantling the rotor shipping brace when the machine is in a horizontal position could damage the bearings.

  • Page 50: Mounting The Output Elements

    Assembly 5.2 Lift the machine to where it will be installed, and position it 5.2.6 Mounting the output elements Balance quality The rotor is dynamically balanced. For shaft extensions with featherkeys, the balancing type is specified using the following coding on the face of the drive end of the shaft: ●...

  • Page 51: Lifting And Transporting The Machine

    Assembly 5.2 Lift the machine to where it will be installed, and position it Shaft extensions with feather key To maintain the balancing quality, you have the following options: ● If the output element is shorter than the feather key with balancing type "H", then you must machine off the section of feather key protruding from the shaft contour and output element.
  • Page 52 Assembly 5.2 Lift the machine to where it will be installed, and position it ● When lifting the machine, use only approved and undamaged sling guides and spreaders of sufficient rated capacity. Check the lifting equipment prior to its use. The weight of the machine is shown on the rating plate.

  • Page 53: Draining Condensation

    Assembly 5.2 Lift the machine to where it will be installed, and position it 5.2.8 Draining condensation Under the following conditions it is possible that condensation may accumulate within the machine: ● Wide fluctuations in the ambient temperature, such as direct sunlight combined with high atmospheric humidity ●...

  • Page 54: Putting The Machine Down

    Assembly 5.2 Lift the machine to where it will be installed, and position it 5.2.9 Putting the machine down Requirements The following preconditions must be satisfied before setting down the machine at the installation location: ● The mating faces must be clean. ●...

  • Page 55: Installing The Machine

    Assembly 5.3 Installing the machine Installing the machine 5.3.1 Safety instructions for installation WARNING Inappropriate fastening material If screws of an incorrect property class have been selected or if they have been fastened to an incorrect tightening torque, they may break or become loose. This will cause the machine to move, which could damage the bearings.

  • Page 56: Preconditions For Smooth, Vibration-Free Operation

    Assembly 5.3 Installing the machine See also Tightening torques for screw and bolt connections (Page 131) 5.3.3 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: Table 5-2 Permissible Deviations For Aligning The Machine With Flexible Coupling

    Assembly 5.3 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. ①...

  • Page 58: Aligning The Machine To The Driven Machine And Attaching It To It (Im B5)

    Assembly 5.3 Installing the machine 5.3.5 Aligning the machine to the driven machine and attaching it to it (IM B5) The standard flange is provided with a centering. The choice of fit for the mating flange on the driven machine is the system manufacturer's or the plant operator's responsibility. Note If the machine is not fitted with a standard flange, align the machine to suit the driven machine.

  • Page 59: Aligning The Machine To The Driven Machine And Attaching It To It (Im V1, Im V10)

    0.05 mm in diameter. 5.3.7 Axial and radial forces You can obtain the permissible values for axial and radial forces by contacting the Siemens Service Center (Page 129) or referring to the machine catalog. SIMOTICS TN Series N-compact 1LH8...

  • Page 60: Connecting The Cooling Water Supply

    Assembly 5.4 Connecting the cooling water supply NOTICE Damage to bearings or the shaft Large output masses and their centers of gravity outside the shaft extensions can lead to resonance in operation. This can result in damage to the bearings and shaft. Ensure that the permissible loads for the forces on the shaft extension are adhered to in accordance with the catalog data or configuration data.
  • Page 61 Assembly 5.4 Connecting the cooling water supply NOTICE Bleed air from the cooling ducts If the cooling ducts are not completely filled with water, sufficient machine cooling cannot be guaranteed and the machine may overheat. Ensure that the air is bled from the cooling ducts during filling and that the cooling ducts are completely filled with water.
  • Page 62 Assembly 5.4 Connecting the cooling water supply SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 63: Electrical Connection

    Electrical connection Observe the following when carrying out any work on the machine: ● Comply with the general safety instructions ● Comply with the applicable national and sector-specific regulations at the place of installation ● 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: Basic Rules

    Electrical connection 6.1 Basic rules Basic rules The following generally applies to electrical connections: ● Ensure that there is a safe and reliable PE ground connection before starting any work. ● The connecting cables can be sealed and secured at every cable entry point into the terminal box.

  • Page 65: Terminal Box

    Electrical connection 6.2 Terminal box Terminal box 6.2.1 Terminal box 1XB9629 Figure 6-2 Terminal box 1XB9269 The terminal box 1XB9629 has been manufactured as welded design and is permanently connected with the machine. For this reason, it cannot be rotated. For more information, see: ●...

  • Page 66: Terminal Designation

    Electrical connection 6.3 Preparation 6.3.2 Terminal designation According to IEC / EN 60034‑8, the following basic definitions apply to the terminal designations for 3-phase machines: Table 6-1 Terminal designations using the 1U1-1 as an example 1 Designation Index for pole assignment for pole-changing machines where applicable. A lower index signifies a lower speed.

  • Page 67: Connecting The Machine For A Specific Direction Of Rotation

    Electrical connection 6.4 Introducing and routing the cables Connecting the grounding conductor ● Ensure that the connecting surface is bare and is protected against corrosion using a suitable substance, e.g. acid-free Vaseline. ● Locate the flat and spring washers under the bolt head. ●...

  • Page 68: Laying Cables

    Electrical connection 6.4 Introducing and routing the cables The cable entry plate features a customized design according to the corresponding order. Insert the cable into the terminal box 1. Unscrew the cable entry plate. 2. Drill the required number of holes or tapped holes in the required size into the cable entry plate.

  • Page 69: Use Of Aluminum Conductors

    Electrical connection 6.4 Introducing and routing the cables 3. Fasten the cable lug to the end of the conductor correctly, e.g. by squeezing. Figure 6-3 Connection with cable lug and fixing screw (schematic diagram) 4. Insulate the cable lug sleeves where necessary to ensure minimum air clearances and the creepage distance are maintained.

  • Page 70: Using Single-Stranded Cables

    Electrical connection 6.4 Introducing and routing the cables 6.4.5 Using single-stranded cables NOTICE High temperatures from induced eddy currents With high currents and where several single-stranded cables are used instead of multiple- stranded cables, high temperatures can result in the cable entry area due to induced eddy currents.

  • Page 71: Connecting The Auxiliary Circuits

    Electrical connection 6.5 Connecting the auxiliary circuits ≤ 800 V 12 mm ≤ 1000 V 14 mm ≤ 1250 V 18 mm Values apply at an installation altitude of up to 2000 m. When determining the required minimum air clearance, the voltage value in the table may be increased by a factor of 1.1, so that the rated input voltage range is taken into account during general use.
  • Page 72 Electrical connection 6.5 Connecting the auxiliary circuits SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 73: Start-Up

    Start-up Observe the following when carrying out any work on the machine: ● Comply with the general safety instructions ● Comply with the applicable national and sector-specific regulations at the place of installation ● 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 74: Converter Operation

    Start-up 7.2 Converter operation Cooling ● Check that the machine cooling is available for commissioning. ● The water cooling is switched on. The data can be found on the rating plate. ● Cooling water of the configured quality is used. Electrical connection ●...

  • Page 75: Operation On A Converter With A Low Pulse Frequency

    Start-up 7.3 Measuring the insulation resistance before commissioning ● Any supplementary motor monitoring devices and equipment have been correctly connected and are functioning correctly. ● In continuous operation, the motor cannot exceed the specified upper speed limit n undershoot the lower speed limit n The permissible acceleration time to the limit speed n depends on the parameter assignment.

  • Page 76: Greasing The Roller Bearings Prior To Commissioning

    Start-up 7.4 Greasing the roller bearings prior to commissioning As such, you can determine whether the machine needs commissioning or any necessary measures such as cleaning and/or drying the winding: ● Can the machine be put into operation? ● Must the windings be cleaned or dried? Detailed information on testing and the limit values can be found here: "Testing the insulation resistance and polarization index"...

  • Page 77: Setpoint Values For Monitoring The Bearing Temperature

    Start-up 7.5 Setpoint values for monitoring the bearing temperature See also Regreasing intervals and types of grease for operating roller bearings (Page 97) Stoppages (Page 83) Transport and storage (Page 29) 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 78: Test Run

    Start-up 7.7 Test run Normal operation Measure the normal operating temperature T at the installation site in °C. Set the values operation for shutdown and warning according to the operating temperature T . The set values operation depend on the design of the insulation system or the temperature class of the machine. The data can be found on the rating plate.

  • Page 79: De-Energizing

    Start-up 7.8 De-energizing 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 80 Start-up 7.8 De-energizing SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 81: Operation

    Operation Observe the following when carrying out any work on the machine: ● Comply with the general safety instructions ● Comply with the applicable national and sector-specific regulations at the place of installation ● 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 82: Switching Off The Anti-Condensation Heating

    Operation 8.2 Switching off the anti-condensation heating WARNING Faults in operation Deviations from normal operation such as increased power consumption, temperatures or vibrations, unusual noises or odors, tripping of monitoring devices, etc., indicate that the machine is not functioning properly. This can cause faults which can result in eventual or immediate death, serious injury or material damage.

  • Page 83: Switching On The Machine

    Operation 8.3 Switching on the machine 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 by the moment of inertia to be accelerated.

  • Page 84: Avoidance Of Condensation Or Formation Of Condensation Within The Machine

    Operation 8.7 Stoppages NOTICE Damage due to improper storage Damage may occur to the motor if it is not stored properly. If the machine is to be taken out of operation for more than 12 months, suitable anti-corrosion, preservation, packaging, and drying measures must be taken. See also Transport and storage (Page 29) Start-up (Page 73)

  • Page 85: Avoidance Of Damage To Roller Bearings During Stoppages

    Operation 8.7 Stoppages 8.7.3 Avoidance of damage to roller bearings during stoppages Extended stoppages at the identical or almost identical resting position of the roller bearings can lead to damage such as brinelling or corrosion, for example. ● During stoppages, regularly start the machine up for a brief period once a month. As a minimum, rotate the rotor several times.

  • Page 86: Decommissioning The Machine

    Operation 8.8 Decommissioning the machine The following information is provided regarding the state of the winding insulation: ● Is the winding head insulation conductively contaminated? ● Has the winding insulation absorbed moisture? As such, you can determine whether the machine needs commissioning or any necessary measures such as cleaning and/or drying the winding: ●...
  • Page 87 Operation 8.10 faults Correct the cause of the fault as described in the respective remedial measures section. Repair any damage to the machine. SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 88: Electrical Faults

    Operation 8.10 faults 8.10.2 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 89: Mechanical Faults

    Operation 8.10 faults 8.10.3 Mechanical faults The following table shows the possible causes of and remedial measures for mechanical faults. Table 8-2 Mechanical faults on water-cooled machines ↓ Grinding noise ↓ Overheating ↓ Radial vibrations ↓ Axial vibrations Possible causes of faults Remedial measures Rotating parts are grinding Establish the cause and realign the parts.

  • Page 90: Cooling System Faults

    Operation 8.10 faults 8.10.4 Cooling system faults The following table shows the possible causes of and remedial measures for faults on water- cooled machines. Table 8-3 Cooling system faults ↓ Overheating ↓ Water leaking Possible causes of faults Remedial measures Reduced cooling Check the cooling water flow, increase the amount of cooling water if necessary.

  • Page 91: Roller Bearing Faults

    Operation 8.10 faults 8.10.5 Roller bearing faults Damage to roller bearings can be difficult to detect in some cases. If in doubt, replace the bearing. Use other bearing designs only after consulting the manufacturer. Table 8-4 Roller bearing faults ↓ Bearing overheats ↓...
  • Page 92 Operation 8.10 faults SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • 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 Maintenance 9.1 Inspection and maintenance WARNING Machine damage If the machine is not maintained it can suffer damage. This can cause faults which can result in eventual or immediate death, serious injury or material damage. Perform regular maintenance on the machine. CAUTION Dust disturbances when working with compressed air When cleaning with compressed air, dust, metal chips, or cleaning agents can be whirled up.

  • Page 95: Measurement Of The Insulation Resistance And Polarization Index In The Context Of Maintenance Work

    Maintenance 9.1 Inspection and maintenance 9.1.2 Measurement of the insulation resistance and polarization index in the context of maintenance work 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 96: General Inspection

    Maintenance 9.1 Inspection and maintenance Additional tests may also be required according to the system-specific conditions. NOTICE Machine damage When carrying out the inspection, if you detect any impermissible deviations from the normal state, you must rectify them immediately. They may otherwise cause damage to the machine. 9.1.5 General inspection Check that the installation conditions are observed.

  • Page 97: Servicing The Roller Bearings

    Maintenance 9.1 Inspection and maintenance Checking the cooling system ● With the machine stopped, check the condition of the cooling system: – The cooling system is in good condition. – The pressure drop between entry and exit has not increased appreciably. 9.1.6 Servicing the roller bearings When inspecting rolling-contact bearings, it is generally not necessary to dismantle the...

  • Page 98: Table 9-3 Criteria For Selecting Roller Bearing Greases

    Maintenance 9.1 Inspection and maintenance The lubricating grease must satisfy the criteria listed in the table below and must match the operating conditions. If different special lubricating greases are stated on the lubricant plate, then different criteria apply. Table 9-3 Criteria for selecting roller bearing greases Criteria Standard...

  • Page 99: Table 9-4 Roller Bearing Greases For Vertical And Horizontal Types Of Construction

    Maintenance 9.1 Inspection and maintenance Note Use of other greases If greases other than those named on the lubricant plate are used, it cannot be guaranteed that they are compatible with the complete system. ● If you use greases that satisfy only the minimum requirements of DIN 51825 or ISO 6743-9, then reduce the lubrication intervals by half or adapt them as appropriate.
  • Page 100 Maintenance 9.1 Inspection and maintenance NOTICE Diminished lubrication properties by mixing greases The lubrication properties will be impaired if you mix different greases. This can result in material damage. ● Avoid mixing greases. Only the manufacturer can provide a guarantee for the miscibility of particular greases.

  • Page 101: Sealing The Rolling-Contact Bearings ("Increased Degree Of Protection" Option)

    Maintenance 9.1 Inspection and maintenance Regreasing roller bearings Pay attention to the instructions on the lubricant plate. 1. Rotate the shaft when regreasing, so that the new grease can be distributed throughout the bearing. Motors that are operated with converters: Regrease the bearings at a low to medium speed = 250 rpm, n = 3600 rpm) to ensure an even distribution of grease.

  • Page 102: Cleaning The Cooling Water Ducts

    Maintenance 9.1 Inspection and maintenance 9.1.11 Cleaning the cooling water ducts To ensure proper functioning of the machine cooling system, the cooling water ducts must be free of dirt deposits. In addition to the cooling water connection points, the cooling water ducts in the stator frame have additional openings for cleaning, which are sealed by screw plugs.

  • Page 103: Corrective Maintenance

    Maintenance 9.2 Corrective Maintenance ● Check the insulators, connectors and cable connections in the terminal box. ● Replace the damaged components if necessary. WARNING Short-circuit hazard Damaged components can cause short circuits, possibly resulting in death, serious injuries and property damage. Replace damaged components.

  • Page 104: Seal The Motor

    Maintenance 9.2 Corrective Maintenance WARNING Machine damage caused by improper repair work Improper servicing work can damage the machine. This can cause damages and/or faults which can result in eventual or immediate death, serious injury, or property damage. ● Properly assemble or disassemble the machine. ●...

  • Page 105: Roller-Contact Bearings

    Maintenance 9.2 Corrective Maintenance 9.2.4 Roller-contact bearings 9.2.4.1 Removing roller bearing Preparation ● Remove any grease feeders, shock pulse measurement equipment and possibly mounted instrumentation at the DE and NDE. ● Remove the coupling on the drive end or make the shaft extension freely accessible. Note For a schematic diagram of the respective component layout, see the chapter "Spare parts (Page 113)".

  • Page 106: Remove V Ring

    Maintenance 9.2 Corrective Maintenance 9.2.4.2 Remove V ring Depending on the particular version, there is a V ring. It must be replaced if unusual amounts of grease escape from the roller bearing or the V ring is visibly damaged. Figure 9-1 Remove the V ring 1.

  • Page 107: Assembling The Rolling-Contact Bearings

    Maintenance 9.2 Corrective Maintenance Figure 9-2 Disassembling the labyrinth sealing ring (schematic diagram) 1. Mark the components of the bearing units so that they can be assembled correctly. 2. Remove the protective coating from the shaft in front of the Iabyrinth sealing ring. 3.

  • Page 108: Install The V Ring

    Maintenance 9.2 Corrective Maintenance 3. Prepare the bearing journals: – Lightly oil the inner ring seat. – Grease the outer ring seat with solid lubricant such as the anti-fretting paste Altemp Q NP 50. 4. Warm up the roller bearing. 5.

  • Page 109: Installing The V Ring ("Increased Degree Of Protection" Option)

    Maintenance 9.2 Corrective Maintenance Install the V ring 1. Grease the axial sealing surface. The shaft seating remains ungreased. ① V ring ② Mounting aid washer ③ Protective ring Figure 9-3 Install the V ring ① ② 2. Push the V ring onto the shaft using an assembly disk The V ring is in the correct axial position when the face surface is flush with the outer edge of the V ring.

  • Page 110: Installing The Labyrinth Sealing Ring

    Maintenance 9.2 Corrective Maintenance When installing the V ring, proceed in the same way as when installing the labyrinth ring. 1. Grease the axial sealing surface. The shaft seating remains ungreased. ② 2. Push the V ring onto the shaft. The correct axial position of the V ring for the design with grease chamber has been reached if the V ring sits approx.

  • Page 111: Figure 9-5 Position The Set Screws For The Labyrinth Sealing Ring On The Outer Bearing Cover

    Maintenance 9.2 Corrective Maintenance 3. Warm up the labyrinth sealing ring. Push the labyrinth sealing ring to approx. 3 mm before the bearing cover before the paint or adhesive cures on the set screws. 3 mm Figure 9-5 Position the set screws for the labyrinth sealing ring on the outer bearing cover 4.
  • Page 112 Maintenance 9.2 Corrective Maintenance SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 113: Spare Parts

    Spares on Web (https://www.automation.siemens.com/sow). A short description of how to use "Spares on Web" is available on the Internet. Guide for Spares on Web (http://support.automation.siemens.com/WW/news/en/25248626). Rolling-contact bearings When ordering roller bearings, in addition to the bearing identification code, the supplementary specifying code is also necessary for the bearing version.

  • Page 114: Anti-Condensation Heating

    The anti-condensation heater is mounted directly on the winding. The anti-condensation heater cannot be removed without causing damage to the winding. A new anti-condensation heater may only be installed by Siemens Service Center (Page 129) specialists. SIMOTICS TN Series N-compact 1LH8...

  • Page 115: Stator And Rotor

    Spare parts 10.5 Stator and rotor 10.5 Stator and rotor Figure 10-1 Overview of stator and rotor Table 10-1 Spare parts for stators and rotors Part Description Part Description 7.07 Internal fan 8.20 Rotor core with winding 8.00 Rotor, complete 10.00 Stator frame with laminated core and winding 8.10...

  • Page 116: Drive End Rolling-Contact Bearings With Bearing Housing

    Spare parts 10.6 Drive end rolling-contact bearings with bearing housing 10.6 Drive end rolling-contact bearings with bearing housing Figure 10-2 Drive end roller bearings with bearing housing Table 10-2 Spare parts for drive end roller bearings with bearing housing Part Description Part Description...

  • Page 117: Drive End Rolling-Contact Bearings Without Bearing Housing

    Spare parts 10.7 Drive end rolling-contact bearings without bearing housing 10.7 Drive end rolling-contact bearings without bearing housing Figure 10-3 Drive end roller bearings without bearing housing Table 10-3 Spare parts for drive end roller bearings without bearing housing Part Description Part Description...

  • Page 118: Roller Bearings, De - End Shield With Integrated Bearing Cover

    Spare parts 10.8 Roller bearings, DE - end shield with integrated bearing cover 10.8 Roller bearings, DE - end shield with integrated bearing cover Figure 10-4 Roller bearings, DE - end shield with integrated bearing cover Table 10-4 Spare parts for roller bearings, DE Part Description Part...

  • Page 119: Non-Drive End Rolling-Contact Bearings With Bearing Housing

    Spare parts 10.9 Non-drive end rolling-contact bearings with bearing housing 10.9 Non-drive end rolling-contact bearings with bearing housing Figure 10-5 Non-drive end roller bearings with bearing housing Table 10-5 Spare parts for non-drive end roller bearings with bearing housing Part Description Part Description...

  • Page 120: Non-Drive End Rolling-Contact Bearings Without Bearing Housing

    Spare parts 10.10 Non-drive end rolling-contact bearings without bearing housing 10.10 Non-drive end rolling-contact bearings without bearing housing Figure 10-6 Non-drive end roller bearings without bearing housing Table 10-6 Spare parts for non-drive end roller bearings without bearing housing Part Description Part Description...

  • Page 121: Roller Bearings, Nde - End Shield With Integrated Bearing Cover

    Spare parts 10.11 Roller bearings, NDE - end shield with integrated bearing cover 10.11 Roller bearings, NDE - end shield with integrated bearing cover Figure 10-7 Roller bearings, NDE - end shield with integrated bearing cover Table 10-7 Spare parts for roller bearings, NDE Part Description Part...

  • Page 122: Rolling-Contact Bearings With Speed Sensor Assembly

    Spare parts 10.12 Rolling-contact bearings with speed sensor assembly 10.12 Rolling-contact bearings with speed sensor assembly ① Permissible vertical eccentricity on both cylinders Ø 16 max. 0.03 mm ② Permissible vertical eccentricity on housing max. 0.1 mm when rotor is turning Figure 10-8 Speed sensor assembly Table 10-8...

  • Page 123: Table 10-9 Additional Spare Parts For Terminal Box 1Xb1631 With Split Cable Entry

    Spare parts 10.12 Rolling-contact bearings with speed sensor assembly Table 10-9 Additional spare parts for terminal box 1XB1631 with split cable entry Part Description Part Description 20.61 Cable gland - upper part 20.66 Strain relief - lower part 20.62 Cable gland - lower part 20.70 Sealing insert for cable entry 20.65...

  • Page 124: Terminal Box 1Xb9629

    Spare parts 10.13 Terminal box 1XB9629 10.13 Terminal box 1XB9629 Figure 10-9 Terminal box 1XB9629 Table 10-10 Spare parts for terminal box 1XB9629 Part Description Part Description 20.23 Enclosure bottom 21.41 Terminal supports 20.30 Cover 21.61 Terminal block 21.11 Connecting plate with internal cable SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 125: 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 126: Dismantling The Machine

    Disposal 11.3 Dismantling the machine 11.3 Dismantling the machine Dismantle the machine using the general procedures commonly used in mechanical engineering. WARNING Machine parts can fall The machine is made up of heavy parts. These parts are liable to fall during dismantling. This can result in death, serious injury or material damage.
  • Page 127 Disposal 11.4 Disposal of components Packaging material ● If necessary, contact a suitable specialist disposal company. ● Wooden packaging for sea transport consists of impregnated wood. Observe the local regulations. ● The foil used for water-proof packaging is an aluminum composite foil. It can be recycled thermally.
  • Page 128 Disposal 11.4 Disposal of components SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 129: Service And Support

    Technical Support (https://support.industry.siemens.com/cs/sc?nId=2090&lc=en-WW) www.siemens.com/yourcontact (www.siemens.com/yourcontact) Siemens Support for on the move You can obtain optimum support anywhere you go using the "Siemens Industry Online Support” app. The app is available for Apple iOS, Android and Windows Phone. SIMOTICS TN Series N-compact 1LH8...
  • Page 130 Service and Support SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 131: Technical Data

    Technical data 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. ● When screwing together threads secured with a liquid adhesive, use a suitable medium such as Loctite 243.
  • Page 132 Technical data B.1 Tightening torques for screw and bolt connections Applications The above-mentioned tightening torques apply for the following applications: ● Case A Applies to electrical connections in which the permissible torque is normally limited by the bolt materials and/or the current carrying capacity of the insulators, with the exception of the busbar connections in case B.

  • Page 133: Quality Documents

    Quality documents You can find the quality documents here: https://support.industry.siemens.com/cs/ww/en/ps/13320/cert (https:// support.industry.siemens.com/cs/ww/en/ps/13320/cert) SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...
  • Page 134 Quality documents SIMOTICS TN Series N-compact 1LH8 Operating Instructions 06/2017...

  • Page 135: Index

    Index Connection, 60 Cable entry, 67 Converter documentation, 39 Cooling system Aligning, 54, 58, 59 Faults, 90 Accuracy, 59 Cooling water Prerequisites, 47 Specification, 26 Aluminum conductors, 69 Cooling water ducts Anti-condensation heating, 27, 79, 82, 84, 97 Cleaning, 102 installation, 114 Cooling water supply, 60 Insulation resistance, 47...
  • Page 136 Index Insulation resistance, 44, 75, 85, 95 Anti-condensation heating, 47 measure, 45 Interference immunity, 17 faults, 82 Interference voltages, 17 Faults Interlocking circuit Cooling system, 90 Anti-condensation heating, 27 Electric, 88 IP56 (non-heavy-sea), 109 Inspection, 86, 95 Mechanical, 89 Roller bearings, 91 Feather key, 51 Filling, 60 Jumpers, 65...
  • Page 137 Index Paint system, 102 Safety instructions Paintwork damage, 102 Flammable substances, 15 Polarization index, 44, 46, 75, 85, 95 Hazardous substances, 15 Positioning, 56 Hot surfaces, 15 Precision alignment, 57 Live parts, 14 Preload Maintenance work, 93 Rotor bracing, 32 Rotating parts, 15 Preparations for assembly, 43 Screws with preCOTE coating, 104...
  • Page 138 Index System-inherent frequencies, 29 Tandem operation, 41 Technical Support, 129 Temperature monitoring Stator winding, 71 Terminal box, 22 Maintaining, 102 Terminal designation, 66 Test pressure, 60 Test run, 78 Thermal motor protection, 26 Threadlocker, 104 Tightening torque Cable lug, 67 Ground terminal, 67 Tightening torques, 63 Bolted connection, 131...
  • Page 140 Further Information www.siemens.com/drives Siemens AG Process Industries and Drives Postfach 48 48 90026 NÜRNBERG GERMANY...

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