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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:
● Before starting up a machine for the first time
● After an extended period in storage or downtime
● Within the scope of maintenance work
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:
● 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)

9.1.3

Inspections in the event of faults

Natural disasters or unusual operating conditions, such as overloading or short circuit, are

faults that overload the machine electrically or mechanically.
Immediately perform an inspection after such faults.

9.1.4

First inspection after installation or repair

Perform the following checks after approximately 500 operating hours or at the latest six

months after commissioning:

Table 9-1

Checks after assembly or repair

Check

When the

motor is

running

At stand‐

still

The stated electrical characteristics are being observed.

X

The permissible bearing temperatures are not exceeded.

X

The smooth running characteristics and machine running noise have not

deteriorated.

X

The motor foundation has no cracks and indentations. (*)

X

X

(*) You can perform these checks while the motor is running or at a standstill.

Maintenance

9.1 Inspection and maintenance

SIMOTICS TN Series N-compact 1LL8

Operating Instructions 11/2018

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Содержание SIMOTICS TN 1LL8

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

Страница 2: ...15 11 2018 10 24 V17 00 ...

Страница 3: ...ions Installation Instructions Edition 11 2018 Introduction 1 Safety information 2 Description 3 Preparations for use 4 Assembly 5 Electrical connection 6 Start up 7 Operation 8 Maintenance 9 Spare parts 10 Disposal 11 Service and Support A Technical data B Quality documents C ...

Страница 4: ... those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products 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 th...

Страница 5: ...s for use 27 4 1 Safety related aspects to consider when configuring the plant 27 4 2 Observing the operating mode 27 4 3 Ensuring cooling 27 4 4 Thermal motor protection 27 4 5 Interlock circuit for anti condensation heating option 28 4 6 IM B5 type of construction with support foot 28 4 7 Noise emissions 29 4 8 Rotational speed limit values 29 4 9 Phase synchronization during supply system switc...

Страница 6: ...corrosion protection 51 5 2 6 Mounting the output elements 52 5 2 7 Lifting and transporting the machine 53 5 2 8 Draining condensation 55 5 2 9 Putting the machine down 56 5 2 10 Roughly aligning the machine 56 5 3 Installing the machine 57 5 3 1 Safety instructions for installation 57 5 3 2 Selecting fixing screws 57 5 3 3 Preconditions for smooth vibration free operation 58 5 3 4 Aligning the m...

Страница 7: ...iary circuit 80 7 Start up 81 7 1 Checks to be carried out prior to commissioning 81 7 2 Converter operation 82 7 2 1 Operation on a converter with a low pulse frequency 83 7 3 Measuring the insulation resistance before commissioning 84 7 4 Greasing the roller bearings prior to commissioning 84 7 5 Setpoint values for monitoring the bearing temperature 85 7 6 Set values for monitoring the winding ...

Страница 8: ...ning terminal boxes 107 9 2 Corrective Maintenance 108 9 2 1 Prepare servicing work 108 9 2 2 Seal the motor 109 9 2 3 Screws with preCOTE coating 109 9 2 4 Fan cowl 110 9 2 5 External fan made of metal 110 9 2 6 External fan made of plastic 111 9 2 7 Internal fan 112 9 2 8 Roller contact bearings 112 9 2 8 1 Uninstalling roller contact bearings 112 9 2 8 2 Remove V ring 113 9 2 8 3 Removing the l...

Страница 9: ...inal boxes 25 Table 4 1 Minimum dimensions for air intake 30 Table 5 1 Stator winding insulation resistance at 40 C 47 Table 5 2 Permissible deviations for aligning the machine with flexible coupling 59 Table 6 1 Terminal designations using the 1U1 1 as an example 68 Table 6 2 Determining the cross section of the grounding conductor 68 Table 6 3 Connection technology with cable lug connection with...

Страница 10: ...rts 128 Table 10 9 Additional spare parts for terminal box 1XB1631 with split cable entry 129 Table 10 10 Spare parts for terminal box 1XB1634 130 Table 10 11 Spare parts for terminal box 1XB9600 131 Table B 1 Tightening torques for bolted connections with a tolerance of 10 139 Figures Figure 3 1 Schematic diagram of rating plate 22 Figure 4 1 Axial fastening of the rotor 34 Figure 4 2 Schematic r...

Страница 11: ... Figure 10 2 Drive end roller bearings with bearing housing 123 Figure 10 3 Drive end roller bearings without bearing housing 124 Figure 10 4 Non drive end roller bearings with bearing housing 125 Figure 10 5 Non drive end roller bearings without bearing housing 126 Figure 10 6 Terminal box 1XB1621 with standard cable entry 127 Figure 10 7 Two part cable entry 127 Figure 10 8 Terminal box 1XB1631 ...

Страница 12: ...Table of contents SIMOTICS TN Series N compact 1LL8 12 Operating Instructions 11 2018 ...

Страница 13: ... must read you will find the text in these instructions is formatted in the following way 1 Handling instructions are always formatted as a numbered list Always perform the steps in the order given Lists are formatted as bulleted lists Lists on the second level are hyphenated Note A Note is an important item of information about the product handling of the product or the relevant section of the do...

Страница 14: ...mpiled documentation can be exported as PDF for example 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 Introduction 1 2 Compiling personal documents SIMOTICS TN...

Страница 15: ...ic setup and safety regulations as well as regulations on the use of personal protective equipment are observed Note Use the services and support provided by the appropriate Service Center Page 137 for planning installation commissioning and servicing work You will find safety instructions in the individual sections of this document Follow the safety instructions for your own safety to protect oth...

Страница 16: ...you are near the machine Always pay attention to your safety Also observe the following to prevent accidents General safety regulations applicable in the country where the machine is deployed Manufacturer specific and application specific regulations Special agreements made with the operator Separate safety instructions supplied with the machine Safety symbols and instructions on the machine and i...

Страница 17: ...ns Operate the machine properly CAUTION Hazardous substances Chemical substances required for the setup operation and maintenance of machines can present a health risk Poisoning skin damage cauterization of the respiratory tract and other health damage may result Read the information in these operating instructions and the product information supplied by the manufacturer Observe the relevant safet...

Страница 18: ...st damage follow the instructions given below Only touch electronic modules if you absolutely have to work on them The body of the person concerned must have been electrostatically discharged and grounded immediately before any electronic modules are touched Electronic modules should not be brought into contact with electrically insulating materials such as Plastic film Plastic parts Insulating ta...

Страница 19: ...nce on the line power supply via the connection lines 2 8 Interference voltages when operating the converter WARNING Interference voltages when operating the converter When a converter is in operation the emitted interference varies in strength depending on the converter manufacturer type interference suppression measures undertaken On machines with integrated sensors e g PTC thermistors interfere...

Страница 20: ...on magnetic or electronic data carriers It is forbidden for people with pacemakers to enter the vicinity of the machine 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 m...

Страница 21: ... occur if the machine is operated in these areas This can result in death serious injury or material damage Never operate this machine in hazardous areas Machine design The regulations and standards used as the basis to design and test this machine are stamped on the rating plate The machine design basically complies with the subsequent standards Please refer to the EU Declaration of Conformity fo...

Страница 22: ...IEC 60034 12 IEC EN 60034 14 GOST R IEC 60034 14 Rating plate The rating plate shows the identification data and the most important technical data The data on the rating plate and the contractual agreements define the limits of proper usage 10 0 1 5RWRU 648 1 HZ W W 1R1 6 0 7K O 3 9 N Figure 3 1 Schematic diagram of rating plate Table 3 2 Data on the rating plate Item Description Item Description ...

Страница 23: ...converter Please note the applicable country specific rules and regulations Rotors The rotor assembly is pressed onto the shaft together with the cage winding The drive end of the shaft usually has a cylindrical shaft end Dependent on the design a second shaft end may be located at the non drive end Cooling The cooling system is designed as an open cooling circuit The machine is cooled using ambie...

Страница 24: ...prevent dust and water from getting in can be achieved by positioning a grease chamber ahead of the actual bearing unit Although the same grease is used in both cases for reasons of convenience a distinction is made here between lubricating grease and sealing grease because of their different functions Layout The spent lubricating grease collects in the space between the bearing housing and the ou...

Страница 25: ...B9 600 Supplementary devices Depending on the order various supplementary devices can be installed or mounted These include sensors for bearing temperature monitoring or winding monitoring for example Anti condensation heating option The machine is fitted with anti condensation heating The connection data is listed on an additional plate on the machine Description SIMOTICS TN Series N compact 1LL8...

Страница 26: ...Description SIMOTICS TN Series N compact 1LL8 26 Operating Instructions 11 2018 ...

Страница 27: ...erve the machine s operating mode Use a suitable control system to prevent overspeeds thus protecting the machine from damage 4 3 Ensuring cooling Ensure that the machine is sufficiently cooled by the cooling air flow at the installation site Ensure that the cooling air can flow in and out unobstructed The full air flow provided by the fan is only possible if air can freely enter the impeller In t...

Страница 28: ...vide an additional support foot at the NDE The support foot is not included in the scope of supply Use an appropriately sized support foot with the appropriate rigidity The support foot must be able to support the total weight of the machine The weight of the machine is stated on the rating plate data on geometry is shown in the dimension drawing There is a threaded hole M36 at the bottom of the m...

Страница 29: ...nal 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 Observe the speeds stamped on the rating plate 4 9 Phase synchronization during supply system switching NOTICE Supply system switching Damage to the machine may be caused when switching to another supply...

Страница 30: ...o the values that arise how often and for how long they occur Where possible and within a reasonable time take corrective actions such as reducing the power Such actions can avoid thermal ageing leading to a reduction in the service life of the machine NOTICE Overheating of the winding Exceeding the permissible tolerances for voltage and frequency can lead to an impermissibly high temperature rise...

Страница 31: ...ation about this may be found in the catalog 4 14 Transport and storage When carrying out any work on the machine observe the general safety instructions Page 15 and the specifications contained in EN 50110 1 regarding safe operation on electrical equipment 4 14 1 Transport markings The packing differs depending on the transport type and size If not otherwise contractually agreed the packaging cor...

Страница 32: ...crane with slings Use a crane or fork lift truck suitable for the load 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 When lifting the machine refer to the information on the lifting plate Comply with the specified spreading angles Do...

Страница 33: ...tted with a rotor shipping brace This protects the bearings against damage due to shock and vibration during transport or storage NOTICE Vibration and shock during transport Not using the rotor shipping brace can cause damage to the machine if it is jolted during transport Material damage can result If the machine is fitted with a rotor shipping brace this should always be used when transporting t...

Страница 34: ...ping brace types The thread in the shaft extension indicates the rotor weight This indirectly specifies the required preload force when axially fastening the rotor Thread in the shaft extension Preload M20 20 kN M24 30 kN M30 40 kN 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...

Страница 35: ... loads 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 4 14 6 Storage You must correctly store the machine if you do not install and use it after it has been delivered NOTICE Bearing seizure damage if incorrectly stored If ...

Страница 36: ... and crates on pallets wooden beams or foundations that protect them against rising damp and water Ensure that the air circulation under the equipment is not impeded Place wooden spacer blocks between the covers and the machine Covers or tarpaulins must not trail on the floor around the machine Storing outdoors When storing the machines outside the storage location must comply with the following c...

Страница 37: ...form in the motor If the machine is not sealed in plastic film continually and slightly heat the machine e g with anti condensation heating if available and ensure that the air circulates in the storage room Storage for longer than three months Lubricate the machine after every two years of storage 1 Unpack the machine 2 Remove the rotor shipping brace if one is being used 3 When stored for longer...

Страница 38: ...that they can be reversed before the machines are put back into service 4 15 Converter operation The following chapter is relevant only to machines of series 1PQ8 or if the machine was ordered for operation on the rectifier 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 4 15 1 Supply line configu...

Страница 39: ...onverter For line voltages converter input voltages higher than 480 V motors which are ordered for converter operation have an appropriate insulation system Operation with a converter from another manufacturer Comply with the permissible voltage peaks according to IEC 60034 18 41 in accordance with stress category C dependent on the particular line voltage converter input voltage and the motor ins...

Страница 40: ...e cable entries If the cable shield is connected as described then it ensures the specified equipotential bonding between the motor enclosure and converter A separate RF equipotential bonding conductor is then not necessary 3 3 3 3 Concentric copper or aluminum shield Steel armor If the cable shield is not connected due to special secondary conditions or not adequately connected then the specified...

Страница 41: ...rk 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 Neither the PE conductors of normally rated multi core connecting cables nor the PE connecting points...

Страница 42: ...t the Service Center if necessary Tandem operation If you connect two motors in series in tandem operation install an insulated coupling between the motors Driving machine Insulated bearings Motor Insulated tachometer fitting Coupling Insulated coupling Figure 4 3 Schematic representation of a tandem drive NOTICE Bearing damage Bearing currents can flow if the coupling between the motors of the ta...

Страница 43: ...See also Service and Support Page 137 Preparations for use 4 15 Converter operation SIMOTICS TN Series N compact 1LL8 Operating Instructions 11 2018 43 ...

Страница 44: ...Preparations for use 4 15 Converter operation SIMOTICS TN Series N compact 1LL8 44 Operating Instructions 11 2018 ...

Страница 45: ...conformity with European directives and the loss of warranty 5 1 Preparations for installation 5 1 1 Requirements for installation The following requirements must be satisfied prior to starting installation work Staff have access to the operating and installation instructions The machine is unpacked and ready for mounting at the installation location Note Measure the insulation resistance of the w...

Страница 46: ...tance and the polarization index at the following times Before starting up a machine for the first time After an extended period in storage or downtime Within the scope of maintenance work 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...

Страница 47: ...ed 3 Measure the winding temperature and the insulation resistance of the winding in relation to the machine enclosure The winding temperature should not exceed 40 C during the measurement Convert the measured insulation resistances in accordance with the formula to the reference temperature of 40 C This thereby ensures that the minimum values specified can be compared 4 Read out the insulation re...

Страница 48: ... possibly even higher values An insulation resistance value close to the minimum value could be due to moisture and or dirt accumulation The size of the winding the rated voltage and other characteristics affect the insulation resistance and may need to be taken into account when determining measures Over its operating lifetime the motor winding insulation resistance can drop due to ambient and op...

Страница 49: ...flat and free of contaminations Check the dimensions of the mounting foot holes Flange connection Clean the flange before installation Ensure that the flange surfaces are flat and perfectly clean Check the geometry of the flange Wall mounting Ensure that the wall faces are flat and free of contaminations Check the dimensions of the mounting foot holes Support the machine from below e g using a wal...

Страница 50: ...only approved and undamaged lifting gear of sufficient rated capacity Check these before using them WARNING The machine can be dropped If the load handling attachments and lifting gear are damaged or not correctly secured the machine may be dropped during lifting This can result in death serious injury or material damage Inspect the load handling attachments and lifting gear before use 5 2 3 Remov...

Страница 51: ...ore you turn the machine into a horizontal position 5 2 5 Removing anti corrosion protection Machined bare metallic surfaces of the motor such as the shaft end fitted key foot and flange surfaces are treated with an anti corrosion agent 1 Remove this layer of anti corrosion agent from the mounting surfaces of the motor by wiping it away with an absorbent cloth or paper sheet NOTICE Damage to the m...

Страница 52: ...element correctly matches the type of balance of the rotor Use only ready drilled and balanced transmission elements Check the hole diameters and the balancing status before pulling them on Thoroughly clean the shaft extension Pulling on Warm up the transmission elements to expand them before pulling them on Select the temperature difference for the heating process to suit the coupling diameter fi...

Страница 53: ...is specified on the rating plate in the designation of the motor type WARNING The feather key can fall out The feather keys are only locked against falling out during shipping If a machine with two shaft extensions does not have an output element on one shaft extension the feather key can fall out during operation Death or serious injury can result If the machine is to be operated without output e...

Страница 54: ...d is not located centrally between the attachment points the machine can tip over or slip out of the lifting equipment and fall when it is being transported or lifted This can result in death serious injury or material damage Comply with the handling instructions on the machine when transporting it Be aware of the possibility of different loads on the sling ropes or lifting straps and the carrying...

Страница 55: ...ndensate can drain away Ensure that condensate can drain away In the bearing shields on the DE and NDE water drainage holes are situated below or opposite the regreasing devices They are sealed with screw plugs Depending on the type of installation the water drainage holes are located at the bottom Figure 5 2 Schematic diagram of the water drain holes 1 Regularly remove the screw plugs to allow th...

Страница 56: ... machine Set down the machine slowly and carefully at the installation location to avoid any impact See also Draining condensation Page 55 5 2 10 Roughly aligning the machine Requirement 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...

Страница 57: ...n result in death serious injury or material damage Carefully align the machine to the driven machine NOTICE Improper handling Mounting parts such as temperature sensors or speed sensors are attached to the machine and could be ripped off or destroyed as a result of improper handling This could lead to machine malfunctions extending even to total loss of the machine Where necessary use suitable st...

Страница 58: ...hat no additional forces affect their bearings during operation If the thermal change of the motor and the driven machine is different couple in the cold state with an appropriate alignment offset The alignment offset to be set in the cold state must be determined and specified by the system specialist 3 For the vertical positioning x 0 place thin shims over a large surface area under the machine ...

Страница 59: ...m Aligning the machine to the driven machine Table 5 2 Permissible deviations for aligning the machine with flexible coupling Max speed nmax Max parallel offset x Max angular offset y nmax 1500 rpm xmax 0 08 mm ymax 0 08 mm 100 mm D 1500 rpm nmax 3600 rpm xmax 0 05 mm ymax 0 05 mm 100 mm D Note Machine expansion When performing alignment make allowance for the thermal expansion of the machine due ...

Страница 60: ...owly towards the driven machine advancing too quickly risks damaging the centering 4 If necessary rotate the machine into the right position so that the clearance holes in the flange are central to the tapped holes 5 Move the machine fully up against the mating flange so that it is fully in contact 6 Fix the machine using the flange fixing bolts finishing by replacing the studs There is a threaded...

Страница 61: ...ning aids 3 Lower the machine slowly toward the driven machine and into the centering so that the flanges do not quite touch Lowering too quickly risks damaging the centering 4 If necessary rotate the machine into the right position so that the clearance holes in the flange are central to the tapped holes 5 Lower the machine completely onto the mating flange so that it is fully in contact then rem...

Страница 62: ...Assembly 5 3 Installing the machine SIMOTICS TN Series N compact 1LL8 62 Operating Instructions 11 2018 ...

Страница 63: ... the Service Center Page 137 NOTICE Connected parts can loosen If you use fixing elements made from the wrong material or apply the wrong tightening torque this could impair current transfer or cause connecting parts to become loose This could result in material damage to the machine or even in total failure which could in turn lead indirectly to material damage to the system Tighten the screwed c...

Страница 64: ... cable Elements with cable ties may be present for this purpose In case of high humidity or when installed outside water drops can move along the cable jacket and enter the motor through the cable entry and cable gland If you route the cable with an appropriate loop then water doesn t enter the terminal box but simply drips off Figure 6 1 Water drip loop 6 2 Terminal box Depending on the version d...

Страница 65: ... The cable glands are not included in the standard scope of supply The version with sealing insert with break off ring is optional You can find additional information here 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 Electrical connec...

Страница 66: ...ith cable lugs Page 74 6 2 3 Terminal box 1XB1634 Figure 6 4 Terminal box 1XB1634 The connecting cables are introduced into the terminal box 1XB1634 through cable glands with threaded holes 4 x M80 x 2 and 2 x M25 x 1 5 The cable glands are not included in the standard scope of supply The version with onion sealing ring is optional For more information see Inserting the cable into the 1XB16 termin...

Страница 67: ...With an open winding design i e when the windings start and end directly at the terminal box see the Terminal marking Page 68 section the connections are made using jumpers in the terminal box The jumpers for the open connection must not be removed when testing the winding refer to the relevant circuit diagram Check that the connections star or delta comply with the specifications on the rating pl...

Страница 68: ... the following criteria into account when selecting the connecting cables Rated current Rated voltage If required service factor System dependent conditions such as ambient temperature routing type cable cross section as defined by required length of cable etc Configuration notes Requirements according to IEC EN 60204 1 Dimensioning for bundled cable routing e g according to DIN VDE 0298 Part 4 or...

Страница 69: ...e Screw in depth and tightening torque are different depending on whether cable lugs or ground terminals are used Screw Screw in depth Tightening torque When using cable lugs M6 6 mm 8 Nm M8 8 mm 20 Nm M12 x 25 16 mm 38 Nm M16 x 35 20 mm 92 Nm When using grounding terminals M6 9 mm 8 Nm M8 12 mm 20 Nm M10 15 mm 40 Nm M12 18 mm 70 Nm M16 20 mm 170 Nm Use the connecting terminals designated for the ...

Страница 70: ...per connection must be made in an external terminal box WARNING Incorrect dimensioning Faults can occur if the appropriate technical data is not complied with when connecting up For instance degree of protection minimum air and creepage distances These faults can result in eventual or immediate death serious injury or material damage Ensure that the external terminal box is dimensioned according t...

Страница 71: ...f rotation The machine will not be adequately cooled if it is operated other than how it was originally ordered or with the incorrect direction of rotation This can result in machine damage Observe the direction of rotation data on the nameplate 6 4 Introducing and routing the cables Table 6 3 Connection technology with cable lug connection without cable lug Terminal box Connection GT640 With cabl...

Страница 72: ...it the cable entry plate to the terminal box with the assembled cables 6 Connect the ends of the cables to the terminals in accordance with the circuit diagram The circuit diagram is located in the cover of the terminal box Refer to Chapter Connecting cables for more information 6 4 2 Inserting the cable into the 1XB terminal box with ring seal The following terminal boxes may be equipped with an ...

Страница 73: ...l box Refer to the Connecting cables section for more information 6 You might need to use a sleeve made of suitable sealing tape to modify the diameter where it passes through the sealing insert Push the sealing insert onto the prepared sleeve 7 Insert the cable with the seal insert in position into the gland opening Screw the strain relief device together once the cable is in a concentric positio...

Страница 74: ...ing 6 4 4 Connecting cables with cable lugs 1 Select the cable lugs according to the required cable cross section and fixing screw or stud size Information about the maximum cross section for the respective standard terminal box design can be found in the catalog A sloped angular arrangement of the supply cables is only permitted provided the required minimum air clearances are met 2 Remove the in...

Страница 75: ... at the end of the conductor NOTICE Overheating of the conductor ends If the end of the conductor is not correctly enclosed by the wire end ferrule but is trapped by it this can lead to overheating Insert only one conductor end into each wire end ferrule and attach the wire end ferrule correctly Insert only one conductor end into each terminal Procedure Ensure that the minimum air clearances of 10...

Страница 76: ...ove the oxide layer from the contact areas on the conductor and or the mating piece Do this using a brush or file Then grease the contact areas immediately using neutral Vaseline This prevents a new oxide layer from forming NOTICE Aluminum flow due to contact pressure Aluminum flows following installation due to the contact pressure The connection using clamping nuts can loosen as a result The con...

Страница 77: ...as PE conductor connection Between terminal box cover and terminal box enclosure the cover fixing screws serve as equipotential bonding A special external ground conductor is only installed if for example flat seals are mounted without additional support When performing any installation work you must always take care to ensure that all equipotential bonding measures remain effective 6 4 9 Stepless...

Страница 78: ...t The electrical connections in the terminal box have been made in accordance with the specifications above and tightened with the correct tightening torque Remove the used bolts and fastening elements The machine is connected in such a way that it rotates in the direction specified The inside of the terminal box is clean and free of any cable debris dirt and foreign bodies All of the seals and se...

Страница 79: ... at the same time the conductor insulation should reach the contact part of the terminal Adapting the cable glands A plate is bolted to the terminal box enclosure via a rectangular cutout through which the connecting cables enter The plate is generally delivered with threaded holes and cable glands 1 Open the auxiliary terminal box and undo the cable entry plate screws Depending on the terminal bo...

Страница 80: ...uit 1 Before closing the auxiliary terminal box please check that The cables are connected in accordance with the terminal diagram The cables are freely arranged so that they cannot come into contact with the machine and the cable insulation cannot be damaged The inside of the terminal box is clean and free of any cable debris dirt and foreign bodies The cable glands are firmly tightened are suita...

Страница 81: ...lete It may be necessary to perform further checks and tests in accordance with the specific situation on site The machine is undamaged The machine has been correctly installed and aligned the transmission elements are correctly balanced and adjusted All fixing screws connection elements and electrical connections have been tightened to the specified tightening torques The operating conditions mat...

Страница 82: ...ating plate or if necessary the system specific documentation The minimum insulation resistance values are within tolerance Minimum air clearances have been maintained Any supplementary motor monitoring devices and equipment have been correctly connected and are functioning correctly All brakes and backstops are operating correctly At the monitoring devices the values for Warning and Shutdown are ...

Страница 83: ...tion on a converter with a low pulse frequency NOTICE Increased motor temperature If the pulse frequency is less than the rated pulse frequency then increased motor losses occur This results in a higher motor temperature Reduce the power to prevent exceeding the temperature class and to avoid consequential premature thermal aging of the insulation Contact the Service Center if necessary WARNING Da...

Страница 84: ...ng the insulation resistance and polarization index Page 47 7 4 Greasing the roller bearings prior to commissioning The following information assumes that the specified storage conditions have been complied with General specifications Pay attention to the instructions on the lubricant plate Regrease in portions The shaft must rotate so that the new grease can be distributed in the bearings Regreas...

Страница 85: ...n the monitoring equipment before the first machine run Table 7 1 Set values for monitoring the bearing temperatures before commissioning Set value Temperature Disconnecting during commissioning 120 C Normal operation Measure the normal operating temperature of the bearings Top at the installation site in C Set the values for shutdown and warning according to the operating temperature Top Table 7 ...

Страница 86: ... in normal operation Set value Insulation class 155 F Insulation class 180 H Warning Top 10 K 145 C Top 10 K 170 C Shutdown Top 15 K 155 C Top 15 K 180 C 7 7 Test run After installation or inspection carry out a test run 1 Start up the machine without a load To do this close the circuit breaker and do not switch off prematurely Check whether it is running smoothly Switching the machine off again w...

Страница 87: ...ring equipment check the bearing and stator winding temperatures until they have reached steady state values Check the machine for noise or vibrations on the bearings or bearing shields as it runs 5 In case of uneven running or abnormal noise switch off the machine As the machine runs down identify the cause If the mechanical operation improves immediately after the machine is switched off then th...

Страница 88: ...ring stoppages 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 Start up 7 8 De energizing SIMOTICS TN Series N compact 1LL8 88 Operating Instructions 11 2018 ...

Страница 89: ...inal boxes may be opened only when the machine is stopped and de energized WARNING Rotating and live parts Rotating or live parts are dangerous If you remove the required covers this can result in death serious injury or material damage Any covers that prevent live electrical or rotating parts from being touched ensure compliance with a particular degree of protection or are required for ensuring ...

Страница 90: ...result of intermittent duty or load fluctuations Condensate can collect inside the motor Damage such as rust can result Make sure that any condensation can drain away freely 8 2 Switching off the anti condensation heating NOTICE Excessive machine temperature If the anti condensation heating is operated while the machine is running this can increase the temperatures inside the machine This can resu...

Страница 91: ...aring and stator winding temperatures 8 4 Regreasing roller bearings Refer to the regreasing instructions for the roller bearings on the lubricant plate 8 5 Switching on again after an emergency switching off Check the machine before recommissioning the driven machine after an Emergency Off Eliminate all the causes that have led to the emergency off 8 6 Stoppages The stoppage is a shutdown for a p...

Страница 92: ...amage 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 If you have uncoupled the machine from the driven machine and secured the rotor with a rotor shipping brace then remove this before turning the rotor over or starting the machine up Make sure that the resting position of the r...

Страница 93: ...toppage 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 Before starting up a machine for the first time After an extended period in storage or downtime Within the scope of maintenance work The following information is prov...

Страница 94: ...e machine was decommissioned and reverse the measures that were taken for conservation and storage Perform the measures listed in the Commissioning section See also Start up Page 81 8 9 faults 8 9 1 Inspections in the event of faults Natural disasters or unusual operating conditions such as overloading or short circuit are faults that overload the machine electrically or mechanically Immediately p...

Страница 95: ...e in the supply cable Check the switches and cables X X X X Interrupted phase in the feeder cable af ter switching on Check the switches and cables X Mains voltage too low frequency too high Check the power supply conditions X Mains voltage too high frequency too low Check the power supply conditions X X X X X Stator winding incorrectly connected Check the winding connection in the terminal box X ...

Страница 96: ...and then rebalance it X Rotor out of true shaft bent Please consult the manufacturer X X Poor alignment Align the machine set and check the coupling X Coupled machine not balanced Rebalance the coupled machine X Shocks from coupled machine Investigate the coupled machine X X Fault originating from gearing Fix the gearing X X Resonance of the overall system comprising motor and foundation Reinforce...

Страница 97: ...ing Check the seals X High ambient temperature Use a suitable high temperature grease X X Insufficient lubrication Grease the bearings as instructed X X Bearing canted Properly install the bearing X X Insufficient bearing play Contact the Service Center X Excessive bearing play Contact the Service Center X X Bearing corroded Replace the bearing Check the seals X Too much grease in bearing Remove s...

Страница 98: ...Operation 8 9 faults SIMOTICS TN Series N compact 1LL8 98 Operating Instructions 11 2018 ...

Страница 99: ...ply with the specifications laid down in EN 50110 1 regarding safe operation of electrical equipment See also Safety information Page 15 Note Service Center Please contact the Service Center Page 137 if you require support with servicing maintenance or repair 9 1 Inspection and maintenance 9 1 1 Safety instructions for inspection and maintenance WARNING Rotating and live parts Electric machines co...

Страница 100: ...amage to the machine extending to total failure When cleaning with compressed air ensure there is adequate extraction NOTICE Machine damage caused by foreign bodies Foreign bodies such as dirt tools or loose components such as screws etc can be left by accident inside the machine after maintenance is performed These can cause short circuits reduce the performance of the cooling system or increase ...

Страница 101: ...nformation on testing and the limit values can be found here Testing the insulation resistance and polarization index Page 47 9 1 3 Inspections in the event of faults Natural disasters or unusual operating conditions such as overloading or short circuit are faults that overload the machine electrically or mechanically Immediately perform an inspection after such faults 9 1 4 First inspection after...

Страница 102: ...ed X The foundation has no cracks or indentations X X The machine is aligned within the permissible tolerance ranges X All the fixing bolts screws for the mechanical and electrical connections have been securely tightened X All the potential connections grounding connections and shield supports are correctly seated and properly bonded X The winding insulation resistances are sufficiently high Page...

Страница 103: ...ng grease according to ISO 6743 9 and K3K 20 lubricating grease according to DIN 51825 with lithium soap as a thickener and an upper service temperature of at least 130 C 266 F are permissible for standard applications without special requirements When selecting the lubricating grease ensure that the technical data of the grease is suitable for the application The lubricating grease must satisfy t...

Страница 104: ...conditions differ from those mentioned other greases may only be used after prior consultation with the manufacturer 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 ...

Страница 105: ...This can result in material damage Avoid mixing greases Only the manufacturer can provide a guarantee for the miscibility of particular greases Lubrication data Regreasing data are stated on the lubricant plate of the machine Regreasing intervals in operating hours Regreasing amount in grams Grease type Regrease the roller bearing at the latest every 12 months irrespective of the actual number of ...

Страница 106: ...ributed This can result in death serious injury or material damage When regreasing pay attention to all rotating components 2 Clean the grease nipple before regreasing Gradually press in an appropriate type and amount of grease as stamped on the lubricant plate and specified in these operating instructions The roller bearing temperature rises sharply at first then drops to the normal value again w...

Страница 107: ...king into account the respective operating conditions Make sure that the groove in the seal is full of grease at all times 9 1 10 Keeping the cooling air flow clean The cooling ducts must be free of any pollution in order that the machine is adequately cooled Regularly clean the grids ducts ribs pipes etc to remove dust and pollution 9 1 11 Touch up any damaged paintwork If the paint is damaged it...

Страница 108: ...r has to be transported please observe the information and instructions in the Transport Page 32 section 9 2 1 Prepare servicing work The drawings and parts lists do not contain any detailed information about the type and dimensions of fixing elements and components For this reason you should establish this information when dismantling them and make a note of it for the purpose of reassembly Docum...

Страница 109: ...in death serious injury or damage Support or unload the rotor when carrying out work with the machine in a vertical position 9 2 2 Seal the motor Extreme caution and attention to cleanliness are vital to installation Clean all bare joints between parts such as housings bearing shields and bearing bushes etc and remove old sealant material Smear bare joints between parts with non hardening permanen...

Страница 110: ...2 Ensure that the retaining components are undamaged and correctly installed 9 2 5 External fan made of metal External metal fans have a keyway connection and are prevented from axially shifting using a locking ring Disassembly 1 The external fan is fixed on the shaft with a locking ring Remove the locking ring Pliers according to DIN 5254 should preferably be used for this purpose 2 Use a suitabl...

Страница 111: ...ternal fans made of plastic feature a cast on driver similar to a parallel key The external fan is secured using a retaining ring to prevent axial movement Disassembly 1 The external fan is fixed on the shaft with a retaining ring Remove the retaining ring Pliers according to DIN 5254 should preferably be used for this purpose 2 Pull off the external fan by hand ཱ Figure 9 2 Ventilation schematic ...

Страница 112: ...ic Page 111 Note For a schematic diagram of the respective component layout see the chapter Spare parts Page 119 Procedure 1 Remove the bearing mounting components Remove the outer bearing cover if one is being used Remove V ring Page 113 Removing the labyrinth sealing ring Page 113 Ensure that the inner bearing cover is no longer attached to the bearing housing or end shield Support the rotor for...

Страница 113: ... non heavy sea The protective ring does not have to be removed for disassembling the bearing bush Remove the protective ring together with the V ring and the outer bearing cover or end shield from the shaft See also Install the V ring Page 115 9 2 8 3 Removing the labyrinth sealing ring Note For the Increased degree of protection option the machine is equipped with a labyrinth sealing ring on the ...

Страница 114: ...o Installing the labyrinth sealing ring Page 117 9 2 8 4 Assembling the rolling contact bearings Extreme caution and attention to cleanliness are vital to installation Observe the correct assembly sequence of the components Attach all components with the specified tightening torques Page 139 Note For further information about mounting the roller bearing please refer to the catalog or the informati...

Страница 115: ...ach the bearing using the shaft nut or a set screw depending on the particular version 10 Support the rotor for the installation of bearing housing or end shield 11 Grease the bearing locations bearing shield bearing cartridge with solid lubricant such as the anti fretting paste Altemp Q NP 50 12 Use a suitable sealant when assembling 13 Install the bearing shield or bearing housing together with ...

Страница 116: ...is fitted with a protective ring in the bearing cover made of sheet metal 1 Push the protective ring onto the shaft 2 Verify that the ring is sufficiently pretensioned Replace the protective ring if necessary 3 Position the protective ring so that one of the longitudinal grooves meets the corresponding water separation groove at the bottom in the bearing cover flange or end shield 9 2 8 6 Installi...

Страница 117: ...r contact bearing with grease chamber schematic diagram See also Install the V ring Page 115 9 2 8 7 Installing the labyrinth sealing ring The labyrinth sealing ring is the last component to be fitted when fitting the roller contact bearing It ensures degree of protection IP65 and prevents the penetration of dirt and foreign bodies into the roller contact bearing 1 Apply a soluble adhesive to the ...

Страница 118: ...inth sealing ring on the outer bearing cover 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 Maintenance 9 2 Corrective Maintenance SIMOTICS TN Series N compact 1LL8 118 Operating Ins...

Страница 119: ...he graphical representations in this chapter show schematic diagrams of the basic versions They are used for spare parts definitions The supplied version may differ in details from these representations 10 2 Using commercially available spare parts You can use commercially available standard components but ensure that they have the same construction type dimensions strength class etc 10 3 Ordering...

Страница 120: ...earings If insulated rolling bearings are fitted use insulated rolling bearings of the same type as spare parts This will prevent any bearing damage being caused by bearing currents 10 4 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 onl...

Страница 121: ... Non drive end balancing ring 7 81 Air guide insert 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 Spare parts 10 5 Stator and rotor SIMOTICS TN Series N compact 1LL8 Operating Instructions 11 2018 121 ...

Страница 122: ...ase nipple 12 02 Fan cowl 4 83 Rubber bush 12 21 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 Spare parts 10 6 Ventilation SIMOTICS TN Series N compact 1LL8 122 Operating Instructions 11 2018 ...

Страница 123: ...ngs 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 Nut 5 40 Protective grille 3 82 Grease tube Spare parts 10 7 Drive end rolling contact bearings with bearing housing SIMOTICS TN Series N compact 1LL8 Operating Instructions 11 2018 123 ...

Страница 124: ...arts 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 Nut Spare parts 10 8 Drive end rolling contact bearings without bearing housing SIMOTICS TN Series N compact 1LL8 124 Operating Instructions 11 2018 ...

Страница 125: ...art Description 4 00 Roller bearing cartridge floating bearing 4 50 Bearing housing 4 10 V ring 4 60 Inner bearing cover 4 20 Outer bearing cover 4 81 Nut 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 Spare parts 10 9 Non drive end rolling contact bearings with bearing housing SIMOTICS TN Series N compact 1LL8 Operating...

Страница 126: ...housing Part Description Part Description 4 00 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 Nut 4 30 Locking ring 4 82 Grease tube 4 35 Grease slinger 6 00 End shield Spare parts 10 10 Non drive end rolling contact bearings without bearing housing SIMOTICS TN Series N compact 1LL8 126 Operating Instructio...

Страница 127: ... Description Part Description 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 Spare parts 10 11 Terminal box 1XB1621 SIMOTICS TN Series N compact 1LL8 Operating Instructions 11 2018 127 ...

Страница 128: ...ox Figure 10 8 Terminal box 1XB1631 Part Description Part Description 20 00 Terminal box without cable entry comprising the following components 20 20 Terminal box housing 21 11 Connecting plate with internal cable 20 27 Mounting rail depending on version 21 41 Terminal bushings 20 28 Seal 21 61 Terminal strip for the auxiliary circuit depending on version 20 30 Cover 22 43 Terminal link stepped w...

Страница 129: ...scription 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 Spare parts 10 12 1XB1631 terminal box SIMOTICS TN Series N compact 1LL8 Operating Instructions 11 2018 129 ...

Страница 130: ...train relief upper part 20 27 Mounting rail 20 66 Strain relief lower part 20 28 Seal 20 68 Seal 20 30 Cover 20 70 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 Spare parts 10 13 Terminal box 1XB1634 SIMOTICS TN Series N compac...

Страница 131: ...nd center part 20 27 Mounting rail 20 68 Seal 20 28 Seal 20 70 Sealing insert for cable entry 20 30 Cover 21 11 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 Spare parts 10 14 Terminal box 1XB9600 SIMOTICS TN Series N compact 1LL8 Operatin...

Страница 132: ...Spare parts 10 14 Terminal box 1XB9600 SIMOTICS TN Series N compact 1LL8 132 Operating Instructions 11 2018 ...

Страница 133: ... the individual phases of its life cycle please observe the statutory requirements applicable in the country of use Please contact your local authorities for more information about disposal 11 1 Information according to Article 33 of the REACH regulation This product contains one or several subproducts in which the following substance belonging to the list of candidates exists in a concentration e...

Страница 134: ...hine 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 Before you release any machine parts secure them so that they cannot fall 11 5 Disposal of components Components The machines ...

Страница 135: ...ist disposal company The same applies for cloths and cleaning substances which have been used while working on the machine 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 Dirty...

Страница 136: ...Disposal 11 5 Disposal of components SIMOTICS TN Series N compact 1LL8 136 Operating Instructions 11 2018 ...

Страница 137: ...local office This office will contact the responsible service center on your behalf You can find your contact person in the relevant contact database www siemens com your contact See also 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 ...

Страница 138: ...Service and Support SIMOTICS TN Series N compact 1LL8 138 Operating Instructions 11 2018 ...

Страница 139: ...s than 25 mm The clamping length is taken as the distance between the head of the bolt and the point at which the bolt is screwed in Tightening torques The bolted connections with metal contact surfaces such as end shields bearing cartridge parts terminal box parts bolted onto the stator frame should be tightened to the following torques depending on the thread size Table B 1 Tightening torques fo...

Страница 140: ...h property class 8 8 according to ISO 898 1 Case C Applies to bolts with property class 8 8 or A4 70 according to ISO 898 1 however only to bolts screwed into components made from materials with higher property class e g cast iron steel or cast steel Note Non standard tightening torques Different tightening torques for electrical connections and bolted connections for parts with flat seals or insu...

Страница 141: ...ou 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 141 ...

Страница 142: ...Quality documents SIMOTICS TN Series N compact 1LL8 142 Operating Instructions 11 2018 ...

Страница 143: ...d out prior to commissioning 81 Circuit 67 Common mode filters 41 Condensate 55 90 Connecting cables Selection of 68 79 Converter documentation 41 Cooling 23 Correct usage 22 Corrosion protection 38 117 Cross section of grounding conductor 68 Cross section of the line conductor 68 D Damage during transport 33 Damage during transportation 32 Damping cores 41 De energizing Anti condensation heating ...

Страница 144: ...nspection 101 Installing the protective ring 116 Insulated bearings 24 41 Insulated coupling 42 Insulation resistance 46 84 93 101 Anti condensation heating 49 measure 47 Interference immunity 19 Interference voltages 19 Interlocking circuit Anti condensation heating 28 Internal fan 112 IP56 non heavy sea 116 J Jumpers 67 L Labyrinth ring 113 Lifting 32 54 Long term storage 37 Low Voltage Directiv...

Страница 145: ...ous substances 17 Hot surfaces 17 Live parts 16 Maintenance work 99 Rotating parts 17 Screws with preCOTE coating 109 Seal insert 73 Sealing 77 Sealing grease 24 Selection of bolts 57 Serial number 119 Shaft assembly 31 Shaft grounding 93 Shipping 33 Spare parts 137 Drive end roller bearings with bearing housing 123 Drive end roller bearings without bearing housing 124 Non drive end roller bearing...

Страница 146: ...ection 139 Cable lug 69 Ground terminals 69 Torsional loadings 31 Transporting 32 54 Turning the machine on to its side 51 Type of balancing 52 V V ring 112 113 116 Ventilation 23 Vibration limits 30 Vibration values 87 Voltage fluctuations 30 Voltage via the converter 83 W Wall face 49 Wall mounting 49 Water drip loop 64 Winding temperature Monitoring 86 Set values 86 Wire end ferrules 75 Index S...

Страница 147: ......

Страница 148: ...Further Information www siemens com drives Siemens AG Process Industries and Drives Postfach 48 48 90026 NÜRNBERG GERMANY ...

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