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Siemens SIMOTICS TN Series Operating & Installation Instructions Manual
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Siemens SIMOTICS TN Series Operating & Installation Instructions Manual

Siemens SIMOTICS TN Series Operating & Installation Instructions Manual

Low-voltage motor n-compact
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Edition
11/2018
Operating Instructions
Installation Instructions
Low-voltage motor
SIMOTICS TN Series N-compact
Type 1LL8
www.siemens.com/drives

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Summary of Contents for Siemens SIMOTICS TN Series

  • Page 1 Operating Instructions Installation Instructions Low-voltage motor SIMOTICS TN Series N-compact Type 1LL8 Edition 11/2018 www.siemens.com/drives...
  • Page 2 15.11.2018 10:24 V17.00...
  • Page 3 Introduction Safety information Description Low-voltage motor Preparations for use SIMOTICS TN Series N-compact Type 1LL8 Assembly Electrical connection Operating Instructions Installation Instructions Start-up Operation Maintenance Spare parts Disposal Service and Support Technical data Quality documents Edition 11/2018...
  • 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

    4.12 System-inherent frequencies....................30 4.13 Torsional loading of the drive train due to faults in the electrical supply........31 4.14 Transport and storage......................31 4.14.1 Transport markings........................31 4.14.2 Checking the delivery......................32 4.14.3 Lifting and transportation......................32 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 6 Terminal box 1XB1631......................65 6.2.3 Terminal box 1XB1634......................66 6.2.4 Terminal box 1XB9600......................67 Preparation..........................67 6.3.1 Checking winding connections....................67 6.3.2 Terminal designation......................68 6.3.3 Selecting cables........................68 6.3.4 Connecting the grounding conductor..................68 6.3.5 Radio-frequency grounding for converter operation...............69 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 7 Avoidance of condensation or formation of condensation within the machine.......92 8.6.2 Avoidance of damage to roller bearings during stoppages............92 8.6.3 Shaft grounding brushes (option)...................93 8.6.4 Measurement of the insulation resistance after an extended stoppage.........93 Decommissioning the machine....................94 Re-commissioning the machine.....................94 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 8 10.3 Ordering spare parts via the Internet...................119 10.4 Anti-condensation heating....................120 10.5 Stator and rotor........................121 10.6 Ventilation..........................122 10.7 Drive end rolling-contact bearings with bearing housing............123 10.8 Drive end rolling-contact bearings without bearing housing..........124 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 9 Set values for monitoring the bearing temperatures in normal operation ........85 Table 7-3 Set values for monitoring the winding temperatures during commissioning.......86 Table 7-4 Set values for monitoring the winding temperatures in normal operation ........86 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 10 1XB9600 terminal box.........................67 Figure 6-6 High-frequency grounding......................70 Figure 6-7 Strain relief device and sealing insert..................73 Figure 6-8 Connection with cable lug and fixing screw (schematic diagram)..........74 Figure 6-9 Connection using terminal clamps (schematic diagram).............76 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 11 Two-part cable entry........................127 Figure 10-8 Terminal box 1XB1631......................128 Figure 10-9 Terminal box 1XB1634 with standard cable entry..............130 Figure 10-10 Two-pane cable entry........................130 Figure 10-11 Terminal box 1XB9600......................131 Figure 10-12 Three-part cable entry.......................131 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 12 Table of contents SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 13: Introduction

    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. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 14 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. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 15: Safety Information

    EN 50110‑1 "Working in a voltage-free state". Apply the five safety rules in the sequence stated before starting work. Five safety rules 1. Disconnect the system. Also disconnect the auxiliary circuits, for example, anti-condensation heating. 2. Secure against reconnection. 3. Verify absence of operating voltage. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 16: Qualified Personnel

    ● Only remove the covers using the methods described by these operating instructions. ● Operate the machine properly. ● Regularly and professionally maintain the machine according to the instructions provided in Chapter "Maintenance". SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 17 Burns and other damage to health and material may result. ● Read the information in these operating instructions and the product information supplied by the manufacturer. ● Observe the relevant safety regulations and wear the personal protective equipment specified. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 18: Electrostatic Sensitive Devices

    ● Always place electrostatic sensitive devices on conductive bases. ● Always pack, store and transport electronic modules or components in conductive packaging, such as: – Metallized plastic or metal containers – Conductive foam material – Domestic aluminum foil SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 19: Interference Immunity

    IEC/EN 61000-6-3 for the drive system (consisting of the machine and converter) from being exceeded. ● You must put appropriate EMC measures in place. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 20: Electromagnetic Fields When Operating Electrical Power Engineering Installations

    ● Protect the personnel working in the plant by taking appropriate measures, such as erecting identifying markings, safety barriers and warning signs and giving safety talks. ● Observe the nationally applicable health and safety regulations. ● Do not carry any magnetic or electronic data media. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 21: Description

    Terminal markings and direction of rotation IEC/EN 60034‑8 Noise emission IEC/EN 60034‑9 Starting characteristics, rotating electrical machines IEC/EN 60034‑12* Vibration severity grades IEC/EN 60034‑14 Vibration limits DIN ISO 10816-3 * For machines in line operation only SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 22: Table 3-2 Data On The Rating Plate

    Schematic diagram of rating plate 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) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 23 The 1L.831.‑2 can optionally also be equipped with a unidirectional external fan. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 24: Table 3-3 Roller-Contact Bearing Variants

    If you wish to upgrade to the next largest terminal box at a later date, please contact the manufacturer. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 25: Table 3-4 Assignment Of Shaft Heights To Terminal Boxes

    Anti-condensation heating (option) The machine is fitted with anti-condensation heating. The connection data is listed on an additional plate on the machine. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 26 Description SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 27: Preparations For Use

    Thermal motor protection The machine is equipped with PTC thermistors for direct monitoring of the motor temperature to protect the machine against overheating during operation. Plan a corresponding circuit for monitoring. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 28: Interlock Circuit For Anti-Condensation Heating (Option)

    If the machine has no support at the NDE, the flange cannot hold the weight of the machine. The machine or machine parts may loosen. This can result in death, serious injury or material damage. ● Use an appropriately sized support base. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 29: Noise Emissions

    Supply system switching Damage to the machine may be caused when switching to another supply system with different phasing. ● The phasing must be synchronized during switching. Use appropriate means to synchronize the phasing. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 30: Space Requirements

    ● 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. ● The vibration limit values according to DIN ISO 10816-3 must not be exceeded. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 31: Torsional Loading Of The Drive Train Due To Faults In The Electrical Supply

    Phytosanitary Measures (ISPM). Note the symbols which appear on the packing. These have the following meanings: Fragile material Keep dry Keep cool Center of Do not use Attach here gravity hand hook SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 32: Checking The Delivery

    ● Use only the load carrying device on the stator frame for lifting. ● Use the load carrying device appropriate for the machine position. ● Only use suitable rope guiding or spreading devices. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 33: Securing The Rotor

    – If a machine has to be transported in a horizontal position, the rotor must be fixed in position before the machine is turned onto its side. Vertical machines can be supplied in the horizontal position from the manufacturing plant. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 34: Figure 4-1 Axial Fastening Of The Rotor

    Axial preload force for other rotor shipping brace types Note Store the rotor locking device Be sure to store the rotor locking device. It must be remounted for possible disassembly and transport. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 35: Transporting The Machine Set

    ● Only store goods in undamaged packaging. Unpack the goods if the packaging is damaged. Correctly store the goods corresponding to the type. ● Repair any damage to the packaging before putting the equipment into storage insofar as this is necessary to ensure proper storage conditions. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 36 ● Wrap the machine in plastic film: – Place a humidity meter inside the plastic film. – Place desiccant within the plastic film. – Pack the machine air-tight. ● Inspect the machine regularly. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 37 Use the feather key as a reference point, if present. 4. Replace the corrosion protection. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 38: Protection Against Corrosion

    An asymmetric voltage load of the machine winding can occur during operation on a TN system in delta connection with a grounded line conductor. Winding damage can result. ● Do not operate the machine on a TN system with a grounded line conductor. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 39: Converter Input Voltage

    Taking the following actions will reduce the bearing currents: ● Ensure that the contacts are established over a large area. Solid copper cables are not suitable for high frequency grounding because of the skin effect. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 40 – Between motor enclosure and driven machine – Use braided flat copper straps or high-frequency cables with finely-stranded conductors for the separate RF equipotential bonding cable. – Ensure that the contacts are established over a large area. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 41: Converter Operation On A Grounded Network

    ● 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 42: Figure 4-2 Schematic Representation Of A Single Drive

    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 link the motors. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 43 Preparations for use 4.15 Converter operation See also Service and Support (Page 137) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 44 Preparations for use 4.15 Converter operation SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 45: Assembly

    Wherever possible, measure the insulation resistance of the winding before starting installation work. If the insulation resistance lies below the specified value, take appropriate remedial measures. These remedial measures may necessitate the machine being removed again and transported. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 46: Insulation Resistance And Polarization Index

    ● 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 47) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 47: Testing The Insulation Resistance And Polarization Index

    2500 (max. 5000) U > 12000 5000 (max. 10000) = rated voltage, see the rating plate rated = DC measuring voltage meas = minimum insulation resistance at reference temperature of 40° C SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 48 For insulation resistances > 5000 MΩ, the measurement of the PI is no longer meaningful and consequently not included in the assessment. Assessment (10 min) (1 min) ≥ 2 Insulation in good condition < 2 Dependent on the complete diagnosis of the insulation SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 49: Preparing The Mating Faces

    Preconditions for correct alignment and secure attachment Detailed specialist knowledge of the following measures is required in order to correctly align and securely fit the equipment. ● Preparing the foundation ● Selecting and mounting the coupling SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 50: Checking The Load Handling Attachments

    Note Store the rotor locking device Be sure to store the rotor locking device. It must be remounted for possible disassembly and transport. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 51: Removing The Rotor Shipping Brace From Machines With Vertical Type Of Construction

    Using metal objects such as scrapers, spatulas, or plates to remove the anti-corrosion protection could result in damage to the surfaces of the machine parts. 2. Then lightly oil the bare surfaces again. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 52: Mounting The Output Elements

    The output element must be pulled on in one continuous operation using the front thread holes in the shaft or pulled on by hand. – Do not strike it with a hammer, as this would damage the bearings. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 53: Lifting And Transporting The Machine

    ● If the machine is packed, depending on the weight, size and on-site conditions, lift crates and transport frames using a fork-lift truck or a crane with slings. Use a crane or fork-lift truck suitable for the load. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 54 If the lifting gear or load handling attachments were to fail, the machine could fall. This can result in death, serious injury or material damage. Never remain under or in the immediate vicinity of the machine when it is raised. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 55: Draining Condensation

    2. Replace them when you have finished. NOTICE The degree of protection is reduced Nominally the degree of protection of the machine is reduced to IP44 when the screw plug is removed. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 56: Putting The Machine Down

    The transmission element such as a coupling half has already been pulled on. Roughly aligning the machine ● For horizontal positioning, push the motor sideways across the foundation. When doing so, ensure that the axial position is maintained. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 57: Installing The Machine

    ● Take into account the maximum forces occurring in the case of a fault such as short circuit or system transfers in phase opposition. – When selecting the bolts – When designing the foundation SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 58: Preconditions For Smooth, Vibration-Free Operation

    The balance state of the shaft (full-key or half-key balancing) and alignment errors primarily influence the service life of the bearing, especially for high motor speeds or when using rigid couplings. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 59: Table 5-2 Permissible Deviations For Aligning The Machine With Flexible Coupling

    ≤ 3600 rpm = 0.05 mm = 0.05 mm / 100 mm ∅ D Note Machine expansion When performing alignment, make allowance for the thermal expansion of the machine due to rising temperature. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 60: Aligning The Machine To The Driven Machine And Attaching It To It (Im B5)

    This can result in death, serious injury or material damage. ● Mount the support base so that no additional mechanical tensions can occur in the housing. See also Tightening torques for screw and bolt connections (Page 139) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 61: 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 137) or referring to the machine catalog. SIMOTICS TN Series N-compact 1LL8...
  • Page 62 Assembly 5.3 Installing the machine SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 63: Electrical Connection

    ● Observe any specifications regarding the materials from which fixing elements must be made. ● When performing servicing, check the fastenings. See also Tightening torques for screw and bolt connections (Page 139) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 64: Basic Rules

    Depending on the terminal box, different cable entries and options for the cable connection are possible. You can identify the terminal box installed on the machine via the illustrations in the following chapters. Terminal box 1XB1621 (Page 65) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 65: Terminal Box 1Xb1621

    ● Inserting the cable into the 1XB16... terminal box with cable gland (Page 71) ● Inserting the cable into the 1XB.. terminal box with ring seal (Page 72) ● Connecting cables with cable lugs (Page 74) 6.2.2 Terminal box 1XB1631 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 66: Terminal Box 1Xb1634

    ● Inserting the cable into the 1XB16... terminal box with cable gland (Page 71) ● Inserting the cable into the 1XB.. terminal box with ring seal (Page 72) ● Connecting cables with cable lugs (Page 74) ● Connection without cable lugs (Page 75) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 67: Terminal Box 1Xb9600

    ● Check that the connections (star or delta) comply with the specifications on the rating plate. ● Ensure that the connection values correspond to the information on the rating plate. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 68: Terminal Designation

    The grounding conductor cross-section of the machine must be in full conformance with the installation specifications, e.g. according to IEC / EN 60204-1. Table 6-2 Determining the cross-section of the grounding conductor Phase conductor cross-section S Cross-section of grounding conductor [mm²] [mm²] S > 35 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 69: Radio-Frequency Grounding For Converter Operation

    Establish the radio-frequency ground connection with flat cables. Alternatively you can establish the radio-frequency ground connection with cable lugs. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 70: Connection Without Terminal Box

    ● Ensure that the external terminal box is dimensioned according to the data on the rating plate and is suitable for the respective use. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 71: Connecting The Machine For A Specific Direction Of Rotation

    The connection cables are inserted into the terminal box via an exchangeable cable entry plate or cable entry support . The cable entry plate is drilled by default. The cable glands are not included in the standard scope of supply. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 72: Inserting The Cable Into The 1Xb.. Terminal Box With Ring Seal

    Onion sealing ring 1XB9600 Standard design 1XB1621, 1XB1631, 1XB1634 Optional The connecting cable is sealed at the cable entry location using a cut-out sealing insert and is fastened using a strain relief device. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 73: Figure 6-7 Strain Relief Device And Sealing Insert

    Tightening the strain relief clip clamping screws too tightly can damage the insulation. This can cause a voltage flashover. This can result in death, serious injury, or material damage. ● Tighten the strain relief clip clamping screws to the specified torque. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 74: Laying Cables

    3. Fasten the cable lug to the end of the conductor correctly, e.g. by squeezing. Figure 6-8 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. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 75: Connection Without Cable Lugs

    2. Prepare the end of the cable depending on the cable and its use. Make sure that no external forces are acting on the cable connection. 3. Insulate the conductor ends in such a way that the remaining insulation reaches almost up to the cable lug. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 76: Use Of Aluminum Conductors

    – or even in total failure, as well as material damage to the plant or system due to machine failure. ● Retighten the clamping nuts after approximately 24 hours and then again after approximately four weeks. Make sure that the terminals are de-energized before you tighten the nuts. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 77: Using Single-Stranded Cables

    Align the cable entry support and the cable entry plate to the terminal box enclosure so that the sealing surface between the terminal box and the terminal box cover form a flat face. There must be no steps in the sealing area. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 78: Minimum Air Clearances

    – The connecting cables are freely routed. The cable insulation cannot be damaged in operation. 2. Close the terminal box using the cover fixing screws, see Chapter Tightening torques for screw connections. (Page 139) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 79: Connecting The Auxiliary Circuits

    6. Make sure that the seal on the screwed sockets for the cable glands satisfies the degree of protection. See also Tightening torques for screw and bolt connections (Page 139) Spare parts (Page 119) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 80: Connecting Temperature Monitoring For The Stator Winding

    2. Close the auxiliary terminal box using the cover supplied for this purpose. See section "Tightening torques for screw and bolt connections (Page 139)" for the tightening torque of the fixing bolts for the cover. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 81: Start-Up

    ● For test operation or when commissioning without output element, carefully secure the feather key using a suitable security element. When doing this, take into account the balancing type of the motor. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 82: Converter Operation

    Note The order number shows whether the machine was ordered for operation with converter: the 9th digit of the order number features the letter "P" or "Q". SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 83: Operation On A Converter With A Low Pulse Frequency

    The voltage is up to 1000 V, depending on the converter type. Ensure that the five safety rules (Page 15) are followed before working on the motor. ● The bearing insulation should be implemented as shown on the plates. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 84: Measuring The Insulation Resistance Before Commissioning

    You must regrease the roller bearings under the following conditions: ● If the machine has been in storage for more than four years. ● If the machine has not been stored in accordance with the specifications in the "Storage" section. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 85: Setpoint Values For Monitoring The Bearing Temperature

    Set values for monitoring the bearing temperatures in normal operation Set value Temperature Warning in normal operation + 5 K ≤ 115 °C Disconnection in normal operation + 10 K ≤ 120 °C See also Thermal motor protection (Page 27) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 86: Set Values For Monitoring The Winding Temperature

    Allow the machine to run down before switching it on again. 2. If the machine is running smoothly and evenly, switch on the cooling equipment. Continue to observe the machine for a while in no-load operation. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 87 If the vibration values in operation are not maintained in accordance with DIN ISO 10816-3, then the machine can be mechanically destroyed. ● During operation, observe the vibration values in accordance with DIN ISO 10816‑3. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 88: Energizing

    This will avoid the formation of condensation. ● Do not switch on the anti-condensation heating for at least two hours after the motor has been switched off. This prevents damage to the winding insulation. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 89: Operation

    Certain parts of the machine become hot during operation. Severe burns can result from contact with these parts. ● Check the temperature of parts before touching them. If required, apply suitable protective measures. ● Allow the machine to cool before starting work on the machine. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 90: Switching Off The Anti-Condensation Heating

    ● Make sure that the anti-condensation heating is switched off before the machine is switched on. ● Only operate anti-condensation heating when the machine is switched off. See also Interlock circuit for anti-condensation heating (option) (Page 28) De-energizing (Page 88) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 91: Switching On The Machine

    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. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 92: Avoidance Of Condensation Or Formation Of Condensation Within The Machine

    Use the fitted key or the coupling halves as reference markers. ● During re-commissioning, refer to the information in the "Commissioning" section. See also Start-up (Page 81) Greasing the roller bearings prior to commissioning (Page 84) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 93: Shaft Grounding Brushes (Option)

    ● 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 47) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 94: Decommissioning The Machine

    Immediately perform an inspection after such 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 1LL8 Operating Instructions 11/2018...

  • Page 95: Electrical Faults

    Winding short circuit or phase short cir‐ Determine the winding resistances and insulation cuit in stator winding resistances. Carry out repair work after consulta‐ tion with the manufacturer. Incorrect direction of rotation Check the connection. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 96: Mechanical Faults

    Reinforce the foundation after consultation with the and foundation manufacturer. Changes in foundation Determine the cause and rectify it. Realign the ma‐ chine. Note any changes taking place during warm up ① SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 97: Roller Bearing Faults

    Too much grease in bearing Remove surplus grease. Wrong grease in the bearing Use the correct grease. Friction marks on raceway Replace the bearing. Brinelling or scoring Replace the bearing. Avoid any vibration at standstill SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 98 Operation 8.9 faults SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 99: Maintenance

    ● Perform maintenance work on the machine only when it is stopped. The only operation permissible while the machine is rotating is regreasing the roller bearings. ● When performing maintenance work, comply with the five safety rules (Page 15). SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 100 ● Securely attach all loose parts again once you have completed the maintenance procedures. ● Carefully remove any dirt. Note Operating conditions and characteristics can vary widely. For this reason, only general intervals for inspection and maintenance measures can be specified here. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 101: Measurement Of The Insulation Resistance And Polarization Index In The Context Of Maintenance Work

    The smooth running characteristics and machine running noise have not deteriorated. The motor foundation has no cracks and indentations. (*) (*) You can perform these checks while the motor is running or at a standstill. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 102: General Inspection

    If you detect any deviations during the inspection, you must rectify them immediately. They may otherwise cause damage to the machine. See also Setpoint values for monitoring the bearing temperature (Page 85) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 103: Servicing The Roller Bearings

    At least -20° C ... +130° C °C Dropping point DIN ISO 2176 At least +180° C °C Basic oil viscosity DIN 51562-1 mm²/s ● Approx. 100 mm²/s at 40 °C ● Approx. 10 mm²/s at 100 °C SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 104 Table 9-4 Roller bearing greases for vertical and horizontal types of construction Manufacturer Grease type Shell Gadus S2 V100 3 ExxonMobil Unirex N3 Esso Energrease LS3 Fuchs Renolit H443 HD88 Lubcon Turmoplex 3 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 105 The regreasing intervals for roller bearings are different from the servicing intervals for the machine. The roller bearings may be damaged if the relubrication intervals are not adhered ● Pay attention to the instructions on the lubricant plate. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 106 When commissioning, the bearings must be relubricated with twice the amount of lubricating grease. When doing this, the shaft must rotate so that the grease is replaced in the bearings. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 107: Sealing The Rolling-Contact Bearings ("Increased Degree Of Protection" Option)

    Contact the Service Center (Page 137) before you repair any paint damage. They will provide you with more information about the correct paint system and methods of repairing paint damage. 9.1.12 Maintaining terminal boxes Requirement The machine is de-energized. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 108: Corrective Maintenance

    ● The centerings in the shaft extensions have reset threads. Use lifting gear which is suitable for the rotor weight and direction of loading. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 109: Seal The Motor

    The motor can partly be fitted with screws with preCOTE coating. To ensure screw locking, use new screws with preCOTE coating during assembly/repair. As an alternative, use normal screws with a threadlocker such as Loctite. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 110: Fan Cowl

    2. Use a suitable device to pull off the external fan. 3. Avoid using a hammer. 4. Secure the parallel key from falling out or remove it. Figure 9-1 Ventilation (schematic diagram with axial fan) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 111: External Fan Made Of Plastic

    Ventilation (schematic diagram with radial fan) Assembly ① 1. Push the external fan up to the end stop on the shaft extension. ② 2. Insert the retaining ring into the corresponding groove and check its fit. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 112: Internal Fan

    – Remove the end shield. Depending on the shaft height, roller bearing type and design, it is either a bearing head version or a bearing housing version. – Remove the locking ring from the shaft. 2. Pull off the roller bearing together with the grease slinger. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 113: Remove V Ring

    Before uninstalling the roller bearing, the labyrinth sealing ring must be removed. ③ The labyrinth sealing ring is fixed with three grub screws that are separably secured with adhesive such as Loctite 243. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 114: Assembling The Rolling-Contact Bearings

    Procedure 1. Remove the required components and replace damaged components. 2. Remove any dirt from the components. Remove any grease and the remains of sealant or liquid threadlocker. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 115: Install The V Ring

    If present: V ring (Page 115) Labyrinth sealing ring (special design) (Page 117) 9.2.8.5 Install the V ring Requirement The roller bearing is already fitted. The V ring can be installed for the bearing seal. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 116: Installing The V Ring ("Increased Degree Of Protection" Option)

    9.2.8.6 Installing the V ring ("Increased degree of protection" option) The grease chamber of the labyrinth sealing ring together with the V ring ensures compliance with degree of protection IP65. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 117: Installing The Labyrinth Sealing Ring

    1. Apply a soluble adhesive to the three set screws such as Loctite 243) and screw them partially into the labyrinth sealing ring. 2. Apply an corrosion protection paint to the shaft in the area of the labyrinth sealing ring. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 118 4. Locate the labyrinth sealing ring in position by screwing the set screws in. Check that the tips of the set screws engage with the keyway with a short axial movement. The correct axial position is obtained when the locating setscrews screwed into the keyway engage. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 119: Spare Parts

    Ordering 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/). See also Guide for Spares on Web (http://support.automation.siemens.com/WW/news/en/25248626) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 120: 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 137) specialists. SIMOTICS TN Series N-compact 1LL8...

  • Page 121: Stator And Rotor

    10.00 Stator frame with laminated core and winding 8.00 Rotor, complete 10.50 Lifting lugs 8.10 Shaft 10.84 Cover with seal 8.20 Rotor core with winding 20.00 Terminal box 8.30 Drive-end balancing ring SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 122: Ventilation

    Air inlet nozzle 4.84 Grease supply extension tube 12.35 Protective grille 11.04 External fan, unidirectional 12.70 Protective cover, optional for design IM V1 11.05 External fan, bidirectional 12.85 Fixing elements 11.62 Locking ring SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 123: Drive End Rolling-Contact Bearings With Bearing Housing

    Spare parts for drive end roller bearings with bearing housing Part Description Part Description 3.00 Roller bearing cartridge (locating bearing) 5.00 Type of construction IM B3 3.80 Grease nipple 5.10 Flanged end shield 3.81 5.40 Protective grille 3.82 Grease tube SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 124: Drive End Rolling-Contact Bearings Without Bearing Housing

    Table 10-4 Spare parts for drive end roller bearings without bearing housing Part Description Part Description 3.00 Roller bearing cartridge (locating bearing) 3.82 Grease tube 3.80 Grease nipple 5.00 End shield 3.81 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 125: Non-Drive End Rolling-Contact Bearings With Bearing Housing

    Bearing housing 4.10 V ring 4.60 Inner bearing cover 4.20 Outer bearing cover 4.81 4.30 Locking ring 4.82 Grease tube 4.35 Grease slinger 6.00 End shield 4.40 Deep-groove ball bearing 4.45 Compression spring SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 126: Non-Drive End Rolling-Contact Bearings Without Bearing Housing

    Roller bearing cartridge (floating bearing) 4.40 Deep-groove ball bearing 4.10 V ring 4.60 Inner bearing cover 4.20 Outer bearing cover 4.81 4.30 Locking ring 4.82 Grease tube 4.35 Grease slinger 6.00 End shield SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 127: Terminal Box 1Xb1621

    20.00 Terminal box without cable entry comprising the following components: 20.20 Terminal box housing 21.41 Terminal supports 20.27 Mounting rail 21.61 Terminal strip for auxiliary circuit 20.28 Seal 22.01 Saddle terminal, complete SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 128: 1Xb1631 Terminal Box

    Cover 22.43 Terminal link, stepped with two holes 20.38 Cover seal 22.70 Fixing lug for PE conductor 20.86 Entry for auxiliary cable You can order the terminal box just as one component. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 129 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 Strain relief - upper part SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 130: Terminal Box 1Xb1634

    Sealing insert for cable entry 20.38 Seal 21.41 Terminal supports 20.60 Cable gland 21.61 Terminal strip for auxiliary circuit 20.61 Cable gland (upper part) 22.70 Fixing lug for PE conductor 20.62 Cable gland (lower part) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 131: Terminal Box 1Xb9600

    Connecting plate with internal cable 20.38 Seal 21.41 Terminal supports 20.61 Cable gland (upper part) 21.61 Terminal strip for auxiliary circuit 20.62 Cable gland (lower part) 22.70 Fixing lug for PE conductor SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 132 Spare parts 10.14 Terminal box 1XB9600 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 133: Disposal

    In compliance with RoHS ("Restriction of certain Hazardous Substances" ) we replace substances that are damaging to the environment by those that are not based on state-of-the- art technology. In doing so, safety in operation and handling will take priority at all times. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 134: Preparing For Disassembly

    Sort the components for recycling according to whether they are: ● Iron and steel ● Aluminum ● Non-ferrous metal, e.g. windings The winding insulation is incinerated during copper recycling. ● Insulating materials ● Cables and wires ● Electronic waste SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 135 ● 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. Dirty foil must be disposed of via waste incineration. SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 136 Disposal 11.5 Disposal of components SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 137: 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 1LL8...
  • Page 138 Service and Support SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 139: Technical Data

    Table B-1 Tightening torques for bolted connections with a tolerance of ±10%. Case 1080 1700 2600 4200 1200 2000 3100 4700 7500 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 140 Different tightening torques for electrical connections and bolted connections for parts with flat seals or insulating parts are specified in the relevant sections and drawings. See also Securing the rotor (Page 33) SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 141: 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 1LL8 Operating Instructions 11/2018...
  • Page 142 Quality documents SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...

  • Page 143: Index

    Cable entry plate, 71 Equipotential bonding, 77 Center of gravity, 33, 54 Equipotential bonding conductor, 40 Centering flange, 60, 61 ESD guidelines, 18 Checks to be carried out prior to commissioning, 81 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 144 Faults, 94, 101 Onion sealing ring, 72 Installation On-site service, 137 Initial inspection, 101 Open winding design, 67 Installing the protective ring, 116 Operating mode, 27 Insulated bearings, 24, 41 Output element, 52 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 145 Supplementary devices, 25 attach, 109 Support foot, 28 Rotor shipping brace, 33, 37, 51 Surface of the foundations, 49 Remove, 50 Switching on, 86, 91 Rotor winding, 23 System resonances, 30 System-inherent frequencies, 30 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 146 Vibration values, 87 Voltage fluctuations, 30 Voltage via the converter, 83 Wall face, 49 Wall mounting, 49 Water drip loop, 64 Winding temperature Monitoring, 86 Set values, 86 Wire end ferrules, 75 SIMOTICS TN Series N-compact 1LL8 Operating Instructions 11/2018...
  • Page 148 Further Information www.siemens.com/drives Siemens AG Process Industries and Drives Postfach 48 48 90026 NÜRNBERG GERMANY...

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