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Operation

8.6 Faults

1LE7 shaft heights 71 ... 315

Operating Instructions, 04/2022, A5E51689275A-AA

8.6.5

Faults on the separately driven fan

The following table shows the possible causes of and remedial measures for faults on forced-

ventilated motors.

Table 8- 4

Cooling system faults

↓ High temperature rise with load

Possible causes of faults

Remedial measures

X Wrong direction of rotation of the separately

driven fan

Check the electrical connections to the separately driven fan.

X separately driven fan is not running

Check the separately driven fan and its connections.

X Reduced air flow

Check the air ducts; clean the motor.

Содержание SIMOTICS SD SH 71 315 Series

Страница 1: ...OPERATING INSTRUCTIONS SIMOTICS SD Low Voltage Motors 1LE7 SH 71 315 www siemens com drives Edition 04 2022 ...

Страница 2: ......

Страница 3: ...Instructions 04 2022 A5E51689275A AA Introduction 1 Safety information 2 Description 3 Preparing for use 4 Installation 5 Electrical connection 6 Commissioning 7 Operation 8 Maintenance 9 Spare parts 10 Disposal 11 Service support A Technical data B Quality documents C ...

Страница 4: ...sed 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 these must be r...

Страница 5: ...supply through a strongly irregular torque 15 2 10 Interference voltages when operating the converter 16 2 11 Special designs and construction versions 16 3 Description 17 3 1 Area of application 17 3 2 Rating plates 18 3 3 Installation 19 3 3 1 Cooling and ventilation 20 3 3 1 1 General 20 3 3 1 2 Motors with a fan 20 3 3 1 3 Motors without a fan optional 21 3 3 2 Bearings 21 3 3 3 Balancing 21 3...

Страница 6: ...ation 41 4 13 5 Tandem operation 42 5 Installation 43 5 1 Safety instructions for installation 43 5 2 Preparing for installation 44 5 2 1 Requirements for installation 44 5 2 2 Insulation resistance 45 5 2 2 1 Insulation resistance and polarization index 45 5 2 2 2 Checking the insulation resistance 45 5 2 3 Preparing the assembly area 47 5 2 4 Lift the motor to where it will be mounted and positi...

Страница 7: ... 6 2 Connecting aluminum conductors 68 6 7 Connecting converters 69 6 8 Final checks 70 7 Commissioning 71 7 1 Measures before commissioning 71 7 1 1 Checks to be carried out prior to commissioning 72 7 1 2 Mechanical and electrical check 73 7 1 3 Converter operation 74 7 1 4 Insulation resistance and polarization index 74 7 1 5 Testing the cooling of the motor 74 7 1 6 Commissioning a separately ...

Страница 8: ...e greasing 94 9 2 8 Cleaning 95 9 2 9 Cleaning the fan cover of motors for the textile industry 95 9 2 10 Drain condensate 96 9 2 11 Insulation resistance and polarization index 96 9 2 12 Servicing the separately driven fan 97 9 3 Corrective maintenance 98 9 3 1 Rolling bearings 98 9 3 1 1 Bearing bushes 100 9 3 1 2 Installing bearings 100 9 3 2 Mounting dimension x 102 9 3 3 Fan 102 9 3 4 Canopy ...

Страница 9: ...ning torques for screw and bolt connections 119 B 2 2 Terminal board and grounding 120 B 2 3 Terminal boxes end shields grounding conductors sheet metal fan covers 120 B 2 4 Tightening torques for electrical connections of monitoring equipment and anti condensation heating 121 B 2 5 Tightening torques for cable glands 121 B 3 Technical data and drawings 122 B 3 1 Terminal box dimensions 122 B 3 2 ...

Страница 10: ...Table of contents 1LE7 shaft heights 71 315 8 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 11: ...dling related warning notes are provided in these instructions When carrying out any activity at or with the motor carefully comply with all of these notes for your own safety to protect other people and to avoid material damage Please contact the Service Center if you have any suggestions on how to improve this document Text format features You can find the following text format features in these...

Страница 12: ... create your own personal library under mySupport using the following procedure Precondition You have registered for and logged on to Siemens Industry Online Support hereinafter referred to as SIOS SIOS https support industry siemens com cs ww en Procedure for creating a personal library 1 Open SIOS and log on 2 Enter the product you are looking for under Search for product info and press Enter 3 ...

Страница 13: ...ations relating to the permissible installation connection ambient and operating conditions are taken into account at all times The specific 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 local service center for planning installation commissioning and service work 2 2 The 5 safety rules...

Страница 14: ...eployed Manufacturer specific and application specific regulations Special agreements made with the operator Separate safety instructions supplied with the motor Safety symbols and instructions on the motor and its packaging Danger as a result of stationary parts under voltage live parts Live parts represent a hazard Touch protection against active live parts is no longer guaranteed if covers are ...

Страница 15: ...es hazard Chemical substances required for the setup operation and maintenance of motors may be flammable These substances can ignite if handled incorrectly They can cause burns and property damage Observe the product information provided by the manufacturer Noise emissions During operation the motor s noise emission levels can exceed those permitted at the workplace which can cause hearing damage...

Страница 16: ...r Do not carry any magnetic or electronic data media 2 6 Electrostatic sensitive devices Material damage due to electrostatic discharge Electronic modules contain components that can be destroyed by electrostatic discharge These components can be damaged or destroyed if they are not handled correctly To protect equipment against damage follow the instructions given below Only touch electronic modu...

Страница 17: ...signed in accordance with IEC EN 60034 and when used as specified it complies with the requirements of European Directive 2014 30 EU regarding Electromagnetic Compatibility 2 8 Interference compatibility By selecting suitable signal cables and evaluation units ensure that the interference immunity of the motor is not diminished 2 9 Influence on the line power supply through a strongly irregular to...

Страница 18: ... sensor lead This can cause faults which can result in eventual or immediate death serious injury or material damage Comply with the EMC information provided by the manufacturer of the converter This is how you prevent the limit values stipulated by IEC EN 61000 6 2 IEC EN 61000 6 4 for the drive system consisting of the motor and converter from being exceeded You must put appropriate EMC measures...

Страница 19: ...standards of the series EN IEC 60034 VDE 0530 It is prohibited to use these motors in hazardous zones if the marking on the motor rating plate does not explicitly permit line or converter operation If other more wide ranging demands e g protection so that they cannot be touched by children are made in special cases i e use in non industrial installations these conditions must be ensured by the cus...

Страница 20: ...ncl date of manufacture YY MM 34 Winding connections 4 Standards 35 Frequency Hz 5 Additional details optional 36 Rated power kW 6 Customer data optional 37 Rated current A 7 Country of origin 38 Power factor cosφ 9 Identification number of testing agency optional 39 Rated speed rpm 49 Company logo 40 Efficiency class 54 Crossed wheeled bin 41 Efficiency 55 ISI mask Mechanical data 11 Frame size 1...

Страница 21: ...EN IEC 60034 5 IS IEC 60034 5 Cooling EN IEC 60034 6 Type of construction EN IEC 60034 7 IS 2253 Dimensions of three phase foot mounted induction motors IS 1231 Dimensions of three phase flange mounted induction motors IS 2223 Terminal markings and direction of rotation EN IEC 60034 8 IS IEC 60034 8 Starting characteristics of rotating motors EN IEC 60034 12 IS 12615 Vibration severity grades EN I...

Страница 22: ...ir is drawn in through openings in the air intake cowl and flows axially across the outer cooling ribs of the motor frame The fan wheel for the external flow of cooling air is attached to the motor shaft The fan wheels are bidirectional Check the cooling effect below rated speed in the case of frequent switching or braking or if the speed is controlled continually below the rated speed Forced vent...

Страница 23: ...er to allow thermal expansion inside the motor and transfer radial forces The nominal calculated useful life of the bearings according to ISO 281 is at least 50 000 hours if the motor is coupled via a direct flexible coupling However the achievable useful life of the bearings can be significantly longer in the case of lower forces e g operation with self aligning couplings Rolling bearings with pe...

Страница 24: ...f construction of the motor is stated on the rating plate Table 3 2 Type of construction Basic type of construc tion code Diagram Other methods of installation Diagram IM B3 IM 1001 IM V5 IM 1011 IM V6 IM 1031 IM B6 IM 1051 IM B7 IM 1061 IM B8 IM 1071 IM B5 IM 3001 IM V1 IM 3011 IM V3 IM 3031 IM B14 IM 3601 IM V18 IM 3611 IM V19 IM 3631 IM B35 IM 2001 IM B34 IM 2101 ...

Страница 25: ...g plate or in the catalog will apply 3 3 7 Optional built on and built in accessories Motors can be equipped with the following integrated components devices Temperature sensors integrated in the stator winding in order to monitor the temperature and protect the stator winding from overheating Anti condensation heating for motors whose windings are subject to a risk of condensation due to the clim...

Страница 26: ...Description 3 3 Installation 1LE7 shaft heights 71 315 24 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 27: ...ring the plant A number of residual risks are associated with the motor These are described in Chapter Safety information Page 11 and related sections Take appropriate safety precautions covers barriers markings etc to ensure the motor is operated safely within your plant 4 2 Observing the operating mode Observe the motor s operating mode Use a suitable control system to prevent overspeeds thus pr...

Страница 28: ...ble operating instructions so that these documents are always easily accessible The rating plate optionally enclosed as a loose item with the delivery is provided to enable the motor data to be attached on or near the motor or installation 4 5 Transport and storage 4 5 1 Safety instructions for transport Observe the following when carrying out any work on the motor Comply with the general safety i...

Страница 29: ...eading devices If not specified otherwise in the transport data always transport the motor in the position associated with its specific type of construction Danger due to damaged attachment points Carefully check the attachment points provided on the motor e g attachment eyes lifting lugs or ring bolts for possible damage Replace any damaged attachment points Before using carefully ensure that the...

Страница 30: ...he motor are designed for the weight of the motor only If a machine set is lifted and transported at a single motor this can fracture the attachment point The motor or machine set may fall This can result in death serious injury or material damage Do not lift machine sets by attaching lifting tackle to the individual motors Use only the equipment provided e g the openings or lugs on the base plate...

Страница 31: ...oors NOTICE Damage to the motor Damage can occur if incorrectly stored Take all precautions to protect the motor under extreme climatic conditions e g salt laden and or dusty moist humid atmospheres Choose a dry storage location which is safe from flooding and free from vibration Repair any damage to the packaging before putting the equipment into storage if this is necessary to ensure proper stor...

Страница 32: ... apply regarding the storage temperature In this case refer to the motor rating plate for data on the ambient temperature and installation altitude Storage time Turn the shaft once every year to avoid bearing brinelling Prolonged storage periods reduce the useful life of the bearing grease aging Open bearings For open bearings e g 1Z check the status of the grease when stored for longer than 12 mo...

Страница 33: ... brace must be attached during the transport Protect the motor against strong radial shocks and vibration when storing as the rotor shipping brace cannot completely absorb these forces Do not remove the rotor shipping brace until you are ready to push on the output element If the customer already has mounted parts such as a coupling or belt pulley the bearings can be damaged during transport In th...

Страница 34: ...t extension Tightening torque M16 40 Nm M20 80 Nm M24 150 Nm M30 230 Nm Tightening torques for other rotor shipping 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 M16 13 kN M20 20 kN M24 30 kN M30 40 kN Axial preload force for other rotor shipping br...

Страница 35: ...onductively contaminated Has the winding insulation absorbed moisture As such you can determine whether the motor needs commissioning or any necessary measures such as cleaning and or drying the winding Can the motor be put into operation Must the windings be cleaned or dried Detailed information on testing and the limit values can be found here Checking the insulation resistance Page 45 4 5 5 2 R...

Страница 36: ...motor construction with the air intake from above protect the air intakes from the ingress of foreign bodies and water If the shaft extension is facing upwards liquid must be prevented from entering by moving along the shaft WARNING Damage caused by small parts falling in Material damage and injury can occur if the fan is destroyed and therefore the motor overheats For types of construction with t...

Страница 37: ...hts 71 315 Operating Instructions 04 2022 A5E51689275A AA 35 For motors with separately driven fan install an interlock circuit that prevents the main motor being switched on if the separately driven fan is not operational Table 4 1 Air guidance Incorrect Correct ...

Страница 38: ...tion heating is operated while the motor is running this can increase the temperatures inside the motor Install an interlock circuit that switches off the anti condensation heating once the main motor is switched on Only switch on the anti condensation heating after the motor has been switched off Comply with the data stamped on the plate of the anti condensation heating if available 4 8 Noise emi...

Страница 39: ... of thermal aging 4 10 Rotational speed limit values Danger as a result of resonance within certain speed ranges At over critical speeds motors encounter resonance within certain speed ranges Such vibrations can reach impermissibly high levels This can result in death serious injury or material damage The controller must ensure that those speed ranges are blocked when the converter is in operation...

Страница 40: ...conductively connect a shielded motor supply cable to the metal terminal box of the motor with a metal screw connection over a large surface area On motors with integrated sensors e g PTC thermistors disturbance voltages caused by the converter may occur on the sensor cable When used in accordance with their intended purpose and operated on a line supply with characteristics according to EN 50160 ...

Страница 41: ...urposes 4 13 2 Converter input voltage The insulation system of SIMOTICS motors always complies with the requirements of stress category B IVIC B high stress If voltage peaks higher than those specified according to IVIC B can occur contact the Service Center For a line supply voltage converter input voltage up to max 480 V and when controlled from a SINAMICS G SINAMICS S converter with uncontroll...

Страница 42: ...ble The shield is connected at both ends at the motor and converter To ensure good discharging of high frequency currents provide contacting over a large surface area as contact established through 360 at the converter at the motor for instance with EMC glands at the cable entries If the cable shield is connected as described then it ensures the specified equipotential bonding between the motor en...

Страница 43: ...NOTICE Motor within itself does not induce shaft circulating current to cause bearing failure Any bearing failure with fluting marks is not to be attributed to motor as a cause Care must be taken while operating motor with converter to ensure the strict adherence to EMC guidelines by considering motor as a part of a complete system motor drive cabling 4 13 4 Insulated bearings for converter operat...

Страница 44: ...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 tandem drive is not insulated This can damage the DE bearings of both motors Use an insulated coupling to couple the motors As an alternative for machine operation with low voltage con...

Страница 45: ...ghten the screwed connections to the specified tightening torques Injury and material damage caused by incorrect motor alignment If the motor has not been properly aligned this will mean the fastening parts are subjected to stress distortion Screws may become loose or break the motor will move motor parts could be flung out of place This can result in death serious injury or material damage Carefu...

Страница 46: ...itate the motor being removed again and transported Note Note also the technical data on the rating plates on the motor enclosure NOTICE Damage to the motor To avoid material damage before commissioning check whether the correct direction of rotation of the motor has been set on the customer side e g by decoupling from the driven load Damage to mounted parts and components as a result of high temp...

Страница 47: ...As such you can determine whether the motor needs commissioning or any necessary measures such as cleaning and or drying the winding Can the motor be put into operation Must the windings be cleaned or dried Detailed information on testing and the limit values can be found here Checking the insulation resistance Page 45 5 2 2 2 Checking the insulation resistance WARNING Hazardous voltage at the ter...

Страница 48: ...K T Measuring winding temperature in C In this case doubling or halving the insulation resistance at a temperature change of 10 K is used as the basis The insulation resistance halves every time the temperature rises by 10 K The resistance doubles every time the temperature falls by 10 K For a winding temperature of approx 25 C the minimum insulation resistances are 30 MΩ U 1000 V or 300 MΩ U 1000...

Страница 49: ... DIN EN 1492 1 and or lashing straps according to DIN EN 12195 2 to stabilize the position Prevent foreign bodies from falling into the fan cover For vertical motor installation with the shaft end facing downwards attach a protective canopy If the shaft extension is facing upwards the user must prevent liquid from moving along the shaft and entering the motor Clean bare metal surfaces with anti co...

Страница 50: ...ing without any play NOTICE Damage to the motor Material damage can occur if the following notes are not carefully observed The IM B3 bearing shield with integrated distance ring mounted at the drive end DE is only used transport lock A warning label is attached to this bearing shield The spacer ring is not a roller bearing Remove the bearing shield and the spacer ring Remove the transport lock be...

Страница 51: ...o compensate any radial offset at the coupling and to horizontally adjust the motor with respect to the driven load Vertical positioning For vertical mounting positions avoid deforming the motors by placing shims under the mounting feet Keep the number of shims low only use a few stacked shims Horizontal positioning To position the motor horizontally shift it sideways on the foundation and ensure ...

Страница 52: ...d connections and materials for fixing elements Select the correct screw length for IM B14 flanges Ensure that the screw heads are in full contact with the flange surface Use additional flat washers ISO 7093 especially for elongated foot mounting holes 5 3 2 Flatness of the supporting surfaces for conventional motors Shaft height Flatness mm 132 0 10 160 0 15 180 0 20 5 3 3 Motor frame mounting fe...

Страница 53: ...sfers in phase opposition etc Request the foundation force values from the Service Center if required 5 4 2 2 Horizontal types of construction with mounting feet 1 Refer to any instructions for aligning the driven machine and those of the coupling manufacturer 2 Align the motors with coupling output to the driven machine in such a manner that the center lines of the shafts are parallel with no off...

Страница 54: ...ange must be parallel to the mating flange so as to avoid seizing and stressing Otherwise damage to the centering will result 1 Grease the centering flange with assembly paste to make the process easier 2 Screw three studs into tapped holes spaced about 120 apart around the driven machine flange The studs act as positioning aids 3 Position the motor so that its axis is aligned with that of the dri...

Страница 55: ...he flanges do not quite touch Lowering too quickly risks damaging the centering 4 If necessary rotate the motor into the right position so that the clearance holes in the flange are central to the tapped holes 5 Lower the motor completely onto the mating flange so that it is fully in contact then remove the studs 6 Fix the motor using the flange fixing bolts 5 4 3 Removing the rotor shipping brace...

Страница 56: ...ury due to Incorrect installation or removal The feather key may be flung out if the motor is operated without drive output elements such as coupling etc Carefully comply with the required measures This can result in death serious injury or material damage The general touch protection measures for drive output elements must be observed Only operate the motor with the drive output element mounted D...

Страница 57: ... on Heat up the drive output elements to expand them before pulling them on Select the temperature difference for the heating process to suit the coupling diameter fit and material Observe the coupling manufacturer s instructions Drive output elements may only be pulled on or pulled off with the correct equipment The drive output element must be pulled on in one continuous operation via the front ...

Страница 58: ...element is shorter than the feather key with balancing type H then you must machine off the section of feather key protruding from the shaft contour and drive output element in order to maintain the balance quality If the drive output element is longer than the feather key when balancing the coupling take into account that the feather key does not take up all of the coupling slot The following app...

Страница 59: ...k The connecting cables can be sealed and secured at every cable entry point into the terminal box Lay the connecting cables and in particular the PE conductor in the terminal box in an open arrangement so that chafing of the cable insulation is prevented Connect the motor in such a way that a permanent safe electrical connection is maintained Avoid protruding wire ends Lay and secure external aux...

Страница 60: ... terms of voltage frequency curve form or symmetry such deviations will increase the temperature and influence electromagnetic compatibility Operating the motor on a line supply system with a non grounded neutral point is only permitted over short time intervals that occur rarely e g the time leading to a fault being eliminated ground fault of a cable IEC EN 60034 1 Material damage as a result of ...

Страница 61: ... and deviation of the operating data from the rated data stamped on the rating plate Do not exceed these limits Do not use motors in zone B that are marked for zone A Connect up so that a permanently safe electrical connection is guaranteed no protruding wire ends use the assigned cable end fittings e g cable lugs end sleeves Connect up the line supply voltage and arranged the disconnecting link i...

Страница 62: ...he terminal box DIN 42925 and other open entries Please observe the tightening torques for cable entries and other screws 6 3 1 1 Circuit diagram inside the terminal box cover Data on the connection and connecting the motor winding can be found in the circuit diagram in the cover of the terminal box 6 3 1 2 Direction of rotation The standard motors are suitable for clockwise and counter clockwise ...

Страница 63: ...Assembly and laying cables Screw the screw type connection cable gland into the cable entry or fasten with a nut Note The screw type connections must have been matched to the connecting cables used diameter armoring braid shield For the screw type connections comply or exceed the requirements relating to IP degree of protection water and dust as well as the temperature range in operation stamped o...

Страница 64: ... out of the motor no terminal board is installed on the terminal base of the motor housing The connection cables are directly connected to stator winding terminals at the factory The connection cables are color coded or labeled The customer directly connects individual cables in the control cabinet for their system in accordance with the labeling 6 3 1 8 Minimum air clearances After proper install...

Страница 65: ...ting the motor 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 63 6 3 2 Cable glands Cable glands with sheet metal nuts EN 50262 Nut O ring Cable glands with reductions and sheet metal nuts EN 50262 Nut O ring ...

Страница 66: ... shaft heights 71 315 64 Operating Instructions 04 2022 A5E51689275A AA Mounting position of sheet metal nuts in screw type connections O ring Mounting position of metal sheet nuts Cable glands with connecting thread in the terminal box EN 50262 O ring ...

Страница 67: ...IEC 60034 1 Please also observe installation regulations such as those specified in EN IEC 60204 1 Basically there are two ways of connecting a grounding conductor to the motor Internal grounding with a connection in terminal box at the location intended for this purpose and marked accordingly External grounding with connection at the stator housing at the locations intended for this purpose and m...

Страница 68: ... bracket do not remove the contact bracket pressed into the enclosure Arrange the flat washer and spring washer under the bolt head Use the marked connection location for the grounding conductor on the stator housing Observe the tightening torque for the locking screw 6 5 Connecting a temperature sensor anti condensation heater WARNING Hazard due to electric shock The installation of the temperatu...

Страница 69: ...ent for example temperature sensors anti condensation heating Depending on the terminal box version connect the auxiliary circuits to the terminal box Terminal block connection 6 6 Conductor connection Cross sections that can be connected depending on the size of the terminal possibly reduced due to size of cable entries Table 6 4 Max conductor connection Shaft height Max connectable conductor cro...

Страница 70: ...the aluminum conductor remove 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 ...

Страница 71: ...IVIC B high stress Table 6 5 Maximum voltage peaks at the motor terminals for line DOL motors converter operation possible Rated motor voltage V Maximum peak voltage at the motor terminals Ûphase to phase Vpk Ûphase to ground Vpk DC link UDC V 500 V 1500 1100 750 Table 6 6 Maximum voltage peaks at the motor terminals for motors specifically designed for converter operation e g VSD 10 Rated motor v...

Страница 72: ...n insulated parts as described in Chapter Minimum air clearances Page 62 Avoid protruding wire ends In order not to damage the cable insulation freely arrange the connecting cables Connect the motor corresponding to the specified direction of rotation Keep the inside of the terminal box clean and free from trimmed off ends of wire Ensure that all seals and sealing surfaces are undamaged and clean ...

Страница 73: ...rical equipment Note Service Center Please contact the Service Center if you require commissioning support 7 1 Measures before commissioning WARNING Risk of injury due to the ejected feather key During motor test run in a no load condition the feature key fitted on the decoupled shaft extension may be flung out if the key is not secured or if unintentional motor movements occur These can result in...

Страница 74: ...emperature etc Moving parts for example the coupling move freely All touch protection measures for both moving and live parts have been implemented Screwed in lifting eyes are removed after installation or secured to prevent them from becoming loose Before commissioning attach the covers to guarantee the correct air guidance Ensure that all condensation drain holes are always located at the lowest...

Страница 75: ...ing connections Connect the motor corresponding to the specified direction of rotation Using the appropriate open loop control and speed monitoring functions carefully ensure that no higher speeds can be achieved than are permitted and specified in the technical data For this purpose compare the data on the rating plate or if necessary the system specific documentation Comply with the minimum insu...

Страница 76: ...e limit speed nmin depends on the parameter assignment 7 1 4 Insulation resistance and polarization index Measuring the insulation resistance and polarization index PI provides information on the condition of the motor It is therefore important to check the insulation resistance and the polarization index at the following times Before starting up a motor for the first time After an extended period...

Страница 77: ... similar If the cooling air is in open circulation it has only weak chemically abrasive properties and a low dust content All protection measures have been taken to prevent accidental contact with moving or live parts Performing the test run 1 Switch the separately driven fan motor on and off briefly 2 Compare the direction of rotation of the separately driven fan with the specified direction of r...

Страница 78: ...on on the monitoring equipment before the first motor run Table 7 1 Set values for monitoring the bearing temperatures before commissioning Set value Temperature Alarm 115 C Shutting down 120 C Normal operation Determine the maximum operating temperature of the bearings Toperation taking into account the temperature bearing load and influences of the plant on the motor in C Set the values for shut...

Страница 79: ... then the cause is magnetic or electrical e g voltage imbalance magnetic imbalance If mechanical operation does not improve immediately after switching the motor off then the cause is mechanical e g an imbalance in the electrical motors or in the driven machine inadequate alignment of the machine set operation of the motor with the system resonating system motor base frame foundations etc If the m...

Страница 80: ...the ramp up time and number of consecutive starts Comply with the limit values and or ramp up conditions specified in the catalog or the order documentation 4 During the test run check and document the following Check whether it is running smoothly Document the voltage current and power values As far as possible document the corresponding values of the driven machine If this is possible using the ...

Страница 81: ...result in death serious injury or material damage Operating the motor on a line supply system with a non grounded neutral point is only permissible for short periods of time that occur rarely e g the time leading to a fault being eliminated Cable ground fault EN IEC 60034 1 Risk of injury due to rotating parts Rotating parts are dangerous Touch protection against rotating parts is no longer guaran...

Страница 82: ... changes with respect to the normal condition can indicate that the motor is not functioning correctly Higher power consumption temperatures or vibration levels Unusual noise or smells Monitoring devices respond These changes can cause faults which can result in eventual or immediate death serious injury or material damage Immediately inform the service personnel If you are in doubt immediately sw...

Страница 83: ...amage 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 Damage to the motor or premature bearing failure The bearings can be damaged if the following is not observed It is absolutely crucial that you maintain the ...

Страница 84: ...erating motors with fan CAUTION Risk of injury when touching the fan There is a risk of injury at motors equipped with a fan cover e g on motors in the textile industry as the fan is not completely touch protected Do not touch the rotating fan Do not put your fingers into the larger air discharge openings Prevent manual intervention by using suitable measures e g appropriate housings or a protecti...

Страница 85: ...e motor As a consequence when ramping up observe the following Monitor the ramp up time and number of consecutive starts Comply with the limit values and or ramp up conditions specified in the catalog or the order documentation 3 If this is possible using the available measuring equipment check the bearing and stator winding temperatures 8 3 Deactivating Commission any devices provided for protect...

Страница 86: ...erial damage or complete motor failure can occur If the motor is out of service for a period of more than 12 months then environmental effects can damage the motor Apply suitable corrosion protection preservation packaging and drying measures Switching on the anti condensation heating if available Only switch on the anti condensation heating after the motor has been switched off Comply with the da...

Страница 87: ...esting position of the rotor after the rotor has been turned over is different from its previous position Use the fitted key or the coupling halves as reference markers When recommissioning carefully comply with the information in Chapter Commissioning Page 71 8 5 2 Decommissioning the motor Record the decommissioning steps This log will be useful upon recommissioning If the motor is going to be o...

Страница 88: ... noise during startup Rumbling noise during operation High temperature rise during no load operation High temperature rise with load High temperature rise of individual winding sections Possible causes of faults Remedial measures X X X X Overload Reduce the load X Interrupted phase in the supply cable Check the switches and cables X X X X Interrupted phase in the feeder cable after switching on Ch...

Страница 89: ...onsultation X X Changes in foundation Establish the cause of the changes and eliminate them if necessary realign the motor 1 Take any changes into account when warming up the motor 8 6 4 Rolling bearing faults Damage to rolling bearings can be difficult to detect in some cases If in doubt replace the rolling bearing Use other bearing designs only after consulting the manufacturer Table 8 3 Rolling...

Страница 90: ...or faults on forced ventilated motors Table 8 4 Cooling system faults High temperature rise with load Possible causes of faults Remedial measures X Wrong direction of rotation of the separately driven fan Check the electrical connections to the separately driven fan X separately driven fan is not running Check the separately driven fan and its connections X Reduced air flow Check the air ducts cle...

Страница 91: ...ny work on the motor Comply with the general safety instructions Page 11 Comply with the applicable national and sector specific regulations When using the motor within the European Union comply with the specifications laid down in EN 50110 1 regarding safe operation of electrical equipment Note Please contact the Service Center Page 117 if you require support with service maintenance or repair 9 ...

Страница 92: ...amage Before carrying out any repair work on the motor take it out of operation and carefully lock it out so that it cannot be switched on again Only remove the covers when the rotating parts have come to a complete standstill Risk of burn injuries due to hot surfaces In operation the temperature of individual motor parts can increase and only decrease slowly after switching off You can burn yours...

Страница 93: ... intervals for rolling bearings that deviate from the inspection intervals When servicing a three phase motor it is generally not necessary to dismantle it The motor only has to be dismantled if the bearings are to be replaced 9 2 3 First inspection after installation or repair Perform the following checks after approximately 500 operating hours or at the latest six months after commissioning Tabl...

Страница 94: ... All the potential connections grounding connections and shield supports are correctly seated and properly bonded X The winding insulation resistances are sufficiently high X Any bearing insulation is fitted as shown on the plates and labels X The CABLES and insulating parts and components are in good condition and there is no evidence of discoloring X You can perform these checks while the motor ...

Страница 95: ...g bearings The motor may be equipped with a regreasing device CAUTION Skin irritations and eye inflammations Many greases can cause skin irritations and eye inflammations Follow all safety instructions of the manufacturer Measures intervals and deadlines Measures after operating period intervals or deadlines have elapsed Operating situations and characteristics can vary widely For this reason only...

Страница 96: ...se Check the condition of the grease if the equipment has been in storage for more than 12 months If the grease is found to have lost oil content or to be contaminated the motor must be immediately relubricated before commissioning For information on permanently greased bearings please refer to the section titled Rolling bearings Page 98 Procedure To relubricate the rolling bearings proceed as fol...

Страница 97: ...ient air flows The frequency of the cleaning intervals depends on the local degree of fouling Damage to the motor when cleaning with compressed air or water jets Do not direct compressed air or water jets in the direction of the shaft outlet or motor openings Avoid direct impact of compressed air and water jets on sealing elements of the motor 9 2 9 Cleaning the fan cover of motors for the textile...

Страница 98: ... maintain the degree of protection after the condensation has been drained you must close all of the drain holes 9 2 11 Insulation resistance and polarization index Measuring the insulation resistance and polarization index PI provides information on the condition of the motor It is therefore important to check the insulation resistance and the polarization index at the following times Before star...

Страница 99: ...ween the impeller and the inlet nozzle can impair its function Remove the dirt and dust deposits regularly the intervals depend on how dirty the surrounding area is Make sure that the impeller is cleaned evenly as irregular deposits can lead to an imbalance The full air flow can only be achieved when air can freely flow through the impeller There must be a clearance of at least 1 x air intake diam...

Страница 100: ...ossible assemble the motor on and alignment plate This ensures that the mounting feet surfaces are all on the same plane Sealing measures 1 Apply the necessary liquid sealant e g Fluid D Hylomar to the centering edge 2 Check the terminal box seals and if required replace these 3 Repair any damage to the paint also to screws bolts 4 Take the necessary measures to ensure compliance with the applicab...

Страница 101: ...tal coupling operation 50 000 h 50 C With axial and radial forces 20 000 h Do not reuse bearings that have been removed Remove the dirty spent grease from the bearing shield Replace the existing grease with new grease Replace the shaft seals when the bearings are replaced Slightly grease the contact surfaces of the sealing lips Note Special operating conditions The operating hours are reduced e g ...

Страница 102: ...uter Danger as a result of rotor falling out If the motor is in a vertical position the rotor can fall out while work is being performed on the locating bearing This can result in death serious injury or damage Support or unload the rotor when carrying out work with the motor in a vertical position Installing rolling bearings Extreme caution and attention to cleanliness are vital when installing r...

Страница 103: ...ng bearing onto the shaft Avoid any blows that might damage the bearing 6 Ensure that the rolling bearing is resting against the shaft shoulder or the 2nd bearing 7 Fill the bearing to the top with the specified lubricating grease as stamped on the lubricant plate 8 Warm up the grease slinger if one is available and push it onto the shaft 9 Depending on the particular version fix the bearing with ...

Страница 104: ...ft Take care not to damage the snapping mechanisms on fans that are equipped with these Plastic fan Correctly expose the breakout openings provided in the fan plate Heat up the fans to a temperature of approximately 50 C around the area of the hub Use a suitable tool to pull off the fan puller Locate the arms of the pulling tool in the breakout openings and slightly tension the pressure screw of t...

Страница 105: ... the rotor shaft the fan and the bearings Order the appropriate new parts if damaged Canopy Canopies with spacer bolts or with screwed mounting brackets Forcibly removing or separating can destroy the distance bolts the connecting elements of the mounting bracket or the fan cover Release the fixing screw on the outer surface of the canopy Under no circumstances remove the spacer bolts or the mount...

Страница 106: ...ashers etc must be refitted together with identical fully functional elements Locking and sealing elements must always be replaced 9 3 7 Links Replace any corroded screws Take care not to damage the insulation of live parts Document the position of any rating and supplementary plates that have been removed Avoid damaging the centering edges 9 3 8 Reassembly Miscellaneous information Position all r...

Страница 107: ...8 Intorq BFK458 6 5 80 2 EMCO 14 458 10 16 4 8 4 8 Intorq BFK458 8 10 2 8 90 2 EMCO 14 458 12 32 4 8 4 8 Intorq BFK458 10 20 100 2 EMCO 14 458 14 60 12 4 8 Intorq BFK458 12 40 4 8 112 4 8 Intorq BFK458 14 60 12 132 2 8 EMCO 14 458 18 150 23 160 2 8 EMCO 14 458 20 260 180 2 8 EMCO 14 458 23 315 200 2 8 EMCO 14 458 25 400 40 225 2 8 EMCO 14 458 25 400 9 3 10 O ring seal If O ring seals are present y...

Страница 108: ...3 11 Encoder Note Further documents Observe all the manufacturer s documentations provided with the encoder 9 3 12 Grounding brush Ensure that the micro switch if available with grounding brush unit is connected to the drive interlock Check the wearing status of the grounding brush regularly and replace it if necessary ...

Страница 109: ...02 Locking ring 1 70 Shim 6 03 NDE bearing cover inner SH 280 315 3 38 Feather key 6 10 Rolling bearing 4 04 Eyebolt SH 180 315 6 20 End shield 4 31 Grounding bracket 6 23 Shaft sealing ring 4 37 Ground terminal plate 6 25 Lubrication sleeve 4 38 Spring lock washer 6 29 Self tapping screw 4 39 Grounding stud 6 65 Grease nipple 4 40 Washer 7 04 Fan 5 03 Seal 7 40 Fan cover 5 10 Complete terminal bo...

Страница 110: ...Spare parts 10 2 Exploded drawings 1LE7 shaft heights 71 315 108 Operating Instructions 04 2022 A5E51689275A AA 10 2 Exploded drawings Shaft height 71 90 ...

Страница 111: ...Spare parts 10 2 Exploded drawings 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 109 Shaft height 100 132 ...

Страница 112: ...Spare parts 10 2 Exploded drawings 1LE7 shaft heights 71 315 110 Operating Instructions 04 2022 A5E51689275A AA Shaft height 160 200 ...

Страница 113: ...Spare parts 10 2 Exploded drawings 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 111 Shaft height 225 315 ...

Страница 114: ...Spare parts 10 2 Exploded drawings 1LE7 shaft heights 71 315 112 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 115: ...e sure to comply with local disposal regulations Country specific legislation The motor uses materials that can be recovered or recycled Correctly separating materials helps to simply recycle important materials When disposing of the motor or of waste that is created during the individual phases of its life cycle please observe the statutory requirements applicable in the country of use Please con...

Страница 116: ...propriate expert knowledge 1 Contact a certified waste disposal organization in your vicinity Clarify what is expected in terms of the quality of dismantling the motor and provision of the components 2 Carefully follow the 5 safety rules Page 11 3 Disconnect all electrical connections and remove all cables 4 Remove all liquids such as oil and cooling liquids Collect the liquids separately and disp...

Страница 117: ...Sort the process materials and chemicals for recycling according to whether they are for example Oil Grease Cleaning substances and solvents Paint residues Anti corrosion agent Coolant additives such as inhibitors antifreeze or biocides Dispose of the separated components according to local regulations or via a specialist disposal company The same applies for cloths and cleaning substances which h...

Страница 118: ...Disposal 11 5 Disposal of components 1LE7 shaft heights 71 315 116 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 119: ...roduct training web link https www siemens co in sitrain Service numbers Table A 1 Siemens Customer Care Desk contact data 1800 209 0987 1800220987 91 22 27600150 91 22 33265381 ics india siemens com Internet www siemens co in industry services A 2 Siemens Industry Online Support Technical questions or additional information If you have any technical queries or you require additional information p...

Страница 120: ...Industry Online Support App you can access more than 300 000 documents for Siemens Industry products any time and anywhere The App supports you in the following areas Resolving problems when executing a project Troubleshooting when faults develop Expanding a system or planning a new system Further you have access to the Technical Forum and other articles that our experts have drawn up FAQs Applica...

Страница 121: ...emens co in dtk B 2 Tightening torques B 2 1 Tightening torques for screw and bolt connections Bolt locking devices Refit nuts or bolts that are mounted together with locking resilient and or force distributing elements with identical fully functional elements when re assembling Always renew keyed elements When screwing together threads secured with a liquid adhesive use a suitable medium such as ...

Страница 122: ...ing torques for electrical connections and bolted connections for parts with flat seals or insulating parts are specified in the relevant sections and drawings B 2 2 Terminal board and grounding Table B 2 Tightening torques for electrical connections on the terminal board and grounding Thread M 3 5 M 4 M 5 M 6 M 8 M 10 M 12 M 16 Nm min 0 8 0 8 1 8 2 7 5 5 9 14 27 Max 1 2 1 2 2 5 4 8 13 20 40 B 2 3...

Страница 123: ...nds Note Avoid damaging the cable jacket Adapt the tightening torques to the cable jacket materials You should refer to the table in order to find the correct tightening torque for any metal and plastic cable glands that are to be mounted directly on the motor as well as for any other screw type connections such as adapters Table B 6 Tightening torques for cable glands Metal 10 Nm Plastic 10 Nm Cl...

Страница 124: ... 126 163 48 80 5 82 5 33 33 M5 2 x M32 x 1 5 132 TB1 H04 134 163 48 80 83 48 48 M5 2 x M32 x 1 5 160 180 TB1 J04 165 190 60 92 98 66 66 M5 2 x M40 x 1 5 200 TB1 L01 197 266 85 112 151 68 68 M6 2 x M50 x 1 5 225 TB1 L01 197 266 85 112 151 68 68 M8 2 x M50 x 1 5 250 280 TB1 N01 233 319 110 145 174 79 79 M10 2 x M63 x 1 5 315 TB1 Q01 299 374 110 164 210 106 106 M12 2 x M63 x 1 5 Note The dimensions s...

Страница 125: ...ical data and drawings 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 123 B 3 2 Arrangement of the auxiliary terminal box Main terminal box Auxiliary terminal box type II Auxiliary terminal box type I ...

Страница 126: ...Technical data B 3 Technical data and drawings 1LE7 shaft heights 71 315 124 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 127: ...ons 04 2022 A5E51689275A AA 125 Quality documents C C 1 Quality documents SIMOTICS in SIOS You can find the quality documents here https support industry siemens com cs ww de ps 13310 cert https support industry siemens com cs ww en ps 13310 cert ...

Страница 128: ...Quality documents C 1 Quality documents SIMOTICS in SIOS 1LE7 shaft heights 71 315 126 Operating Instructions 04 2022 A5E51689275A AA ...

Страница 129: ...ing system Faults 88 Correct usage 18 Coupling 42 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 127 Index D Disassembly Disposal 114 Disposal Chemicals 115 Components 115 Drive output element 55 E Electrical faults 86 Electromagnetic compatibility 15 Electromagnetic fields 14 Emergency off 83 Emitted interference 14 Equipotential bonding conductor 40 ESD guidelines 14 Ex...

Страница 130: ...verspeed 25 1LE7 shaft heights 71 315 Operating Instructions 04 2022 A5E51689275A AA 128 P Paint system 89 Paintwork damage 89 Polarization index 33 45 74 96 Positioning 51 Precision alignment 51 Preload Rotor bracing 32 Preparations for assembly 44 Property class 51 Q Qualified personnel 12 R Radial force 55 Rating plate 18 REACH regulation 114 Re commissioning 85 Regreasing system 33 Repair Init...

Страница 131: ...e 52 53 Stoppages 84 Rolling bearings 85 Supplementary devices 23 Switching on 78 78 83 System resonances 37 T Tandem operation 42 Technical Support 117 Terminal marking 61 Test run 78 Tightening torques 58 Bolted connection 120 V Vibration values 37 78 Voltage fluctuations 37 W Water drip loop 57 ...

Страница 132: ...s document only contains general descriptions and or performance features which may not always specifically reflect those described or which may undergo modification in the course of further development of the products The requested performance features are binding only when they are expressly agreed upon in the concluded contract All product designations may be trademarks or other rights of Sieme...

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