Siemens SIMOTICS SD 1LE5 Operating Instructions Manual Download Page 90

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Operation

8.7 faults

1LE5, 1PC4 shaft height 315/355

Operating Instructions, 10/2020, A5E41454666A

8.7.2

Electrical faults

Note

If you are operating the motor with a converter, the operating instructions of the converter

must also be observed if electrical faults occur.

Table 8- 1

Electrical faults

↓

Motor fails to start

↓

Motor accelerates sluggishly

↓

Rumbling 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 Overload

Reduce the load.

Interrupted phase in the supply cable

Check the switches and cables.

X X X

X Interrupted phase in the feeder cable

after switching on

Check the switches and cables.

Mains voltage too low, frequency too

high

Check the power supply conditions.

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 X X

X Winding short circuit or phase short

circuit in stator winding

Determine the winding resistances and insula-

tion resistances. Carry out repair work

after

consultation with the manufacturer

X Incorrect direction of rotation

Check the connection.

Summary of Contents for SIMOTICS SD 1LE5

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Page 3: ... Instructions 10 2020 A5E41454666A Introduction 1 Safety information 2 Description 3 Preparing for use 4 Assembly 5 Electrical connection 6 Commissioning 7 Operation 8 Maintenance 9 Spare parts 10 Disposal 11 Service support A Technical specifications B Quality documents C ...

Page 4: ...perated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are 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 Si...

Page 5: ...oltages when operating the converter 15 2 10 Special designs and construction versions 15 3 Description 17 3 1 Area of application 17 3 2 Rating plate 18 3 3 Installation 19 3 3 1 Machine design 19 3 3 2 Regulations 20 3 3 3 Cooling and ventilation 20 3 3 3 1 Machines with a fan 21 3 3 3 2 Machines without a fan optional 21 3 3 4 Bearings 22 3 3 5 Balancing 22 3 3 6 Types of construction method of...

Page 6: ...40 4 13 1 Parameterizing the converter 40 4 13 2 Converter input voltage 41 4 13 3 Reducing bearing currents 41 4 13 4 Insulated bearings for converter operation 43 4 13 5 Tandem operation 44 4 13 6 Speed limits for converter operation 44 5 Assembly 45 5 1 Safety instructions for installation 45 5 2 Preparing for installation 46 5 2 1 Requirements for installation 46 5 2 2 Insulation resistance 47...

Page 7: ... 6 2 2 7 Minimum air clearances 66 6 2 3 Screw type connections with connecting thread 66 6 3 Tightening torques 66 6 3 1 Cable entries sealing plugs and thread adapters 66 6 4 Connecting the grounding conductor 67 6 4 1 Minimum surface area of grounding conductor 67 6 4 2 Grounding connection type 67 6 5 Connecting the temperature sensor anti condensation heater 68 6 6 Conductor connection 69 6 6...

Page 8: ...5 Faults at the external fan 90 9 Maintenance 91 9 1 Preparation and notes 91 9 1 1 North American market optional 91 9 1 2 Customs union Eurasia optional 92 9 1 3 Touch up any damaged paintwork 92 9 2 Inspection and maintenance 92 9 2 1 Safety instructions for inspection and maintenance 92 9 2 2 Inspections in the event of faults 94 9 2 3 First inspection after installation or repair 94 9 2 4 Gen...

Page 9: ...l box shaft height 315 113 10 8 3 1LE5 1PC4 shaft height 315 114 10 8 4 Terminal box shaft height 315 115 10 8 5 1LE5 1PC4 shaft height 355 116 10 8 6 Terminal box shaft height 355 117 11 Disposal 119 11 1 RoHS restricting the use of certain hazardous substances 119 11 2 Information according to Article 33 of the REACH regulation 119 11 3 Preparing for disassembly 120 11 4 Dismantling the machine ...

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Page 11: ...format features in these instructions 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 The note provides you with additional information about the product itself handling the product and the relevant documentation 1 2 Compiling personal documents On the Int...

Page 12: ...0 2020 A5E41454666A 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 ...

Page 13: ...e specifications 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 Page 123 for planning installation commissioning and service work 2 2...

Page 14: ... 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 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 cover...

Page 15: ... the manufacturer Noise emissions During operation the machine s noise emission levels can exceed those permitted at the workplace which can cause hearing damage Ensure that nobody is in the area of increased noise emissions during machine operation Take steps to reduce noise so that the machine can be operated safely within your system The following measures may help to reduce noise Covers Noise ...

Page 16: ...n 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 table supports Clothing made of synthetic fibers Always place electrostatic sensitive devices on conductive ba...

Page 17: ...hen operating the converter 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 interference voltages caused by the converter may occur on the sensor lead This can cause faults w...

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Page 19: ...peration 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 customer Note Machine directive Low voltage motors are components designed for installation in machines in accordance with the current Machinery Directive Commissioning is prohibited until it ...

Page 20: ...actual application 3 2 Rating plate 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 Data on the rating plate Item Description Item Description General data Electrical data 1 Type of machine 31 Electrical data 2 Machine type 33 Rated voltage V 3 Serial numb...

Page 21: ...cation data specifications optional 24 Featherkey arrangement 3 3 Installation 3 3 1 Machine design Machines of this series are low voltage three phase induction drives with a cylindrical shaft extension and keyway They can be supplied as single speed machines with different efficiency classes or as pole changing machines for several speeds In the case of machines with feet IM B3 type of construct...

Page 22: ...tection EN IEC 60034 5 GOST IEC 60034 5 Cooling EN IEC 60034 6 GOST R IEC 60034 6 Type of construction EN IEC 60034 7 GOST R IEC 60034 7 Terminal designations and direction of rotation EN IEC 60034 8 GOST 26772 Noise emission EN IEC 60034 9 GOST IEC 60034 9 Integrated thermal protection EN IEC 60034 11 GOST 27888 Starting characteristics of rotating electrical machines EN IEC 60034 12 GOST R IEC 6...

Page 23: ...o the machine 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 ventilation optional Type of cooling IC 416 in accordance with EN IEC 60034 6 Cooling that does not depend on the speed is achieved by means of a unit that is independent of the motor oper...

Page 24: ...n inside the machine and transfer radial forces The nominal theoretical service life of the bearings according to ISO 281 is at least 20 000 hours when the permissible radial axial forces are complied with and the machine is operated on 50 Hz line supplies However the achievable useful life of the bearings can be significantly longer in the case of lower forces e g operation with self aligning cou...

Page 25: ...iagram 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 Basic type of construc tion code Diagram Other methods of installation Diagram IM B5 IM 3001 IM V1 IM 3011 IM V3 IM 3031 Basic type of construc tion code Diagram Other methods of installation Diagram IM B14 IM 3601 IM V18 IM 3611 IM V19 IM 3631 ...

Page 26: ...suitable for use in corrosive atmospheres atmospheres with a high salt content or outdoor applications Limit values for the special versions If the environmental conditions are different from the details listed here then the values on the rating plate or in the catalog will apply 3 3 9 Optional built on and built in accessories Machines can be equipped with the following integrated components devi...

Page 27: ...kstop Note Further documents Observe all of the other documents provided with this machine Supplementary devices Depending on the order various supplementary devices can be installed or mounted These include sensors for bearing temperature monitoring or winding monitoring for example 3 3 10 Paint finish Paint finish The machine is painted according to the instructions in your order ...

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Page 29: ... plant A number of residual risks are associated with the machine These are described in the chapter titled Safety information Page 11 and in related sections Take appropriate safety precautions covers barriers markings etc to ensure the machine is operated safely within your plant 4 2 Observing the operating mode Observe the machine s operating mode Use a suitable control system to prevent oversp...

Page 30: ...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 machine or installation 4 5 Transport and storage 4 5 1 Safety instructions for transport Observe the following when carrying out any work on the machine Comply with the general safety i...

Page 31: ...ading devices If not specified otherwise in the transport data always transport the machine in the position associated with its specific type of construction Danger due to damaged attachment points Carefully check the attachment points provided on the machine e g attachment eyes lifting lugs or ring bolts for possible damage Replace any damaged attachment points Before using carefully ensure that ...

Page 32: ... weight of the machine only If a machine set is lifted and transported at a single machine this can fracture the attachment point The machine 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 machines Use only the equipment provided e g the openings or lugs on the base plates for transporting ma...

Page 33: ...doors 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 sto...

Page 34: ...d apply regarding the storage temperature In this case refer to the machine 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...

Page 35: ... 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...

Page 36: ...ft 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 b...

Page 37: ...dings 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 4 5 5 2 Lubricating the rolling bearings If you correctly store the machine for a longer period of time it can be assumed that within a period of two years the grease in the bearings will not deteriorate For motors with thermal class 155 ...

Page 38: ...ign 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 the shaft extension facing downwards prevent small parts from falling into the fan cover by providi...

Page 39: ...0 2020 A5E41454666A 37 Table 4 1 Air guidance Incorrect Correct Minimum dimension x for the distance between neighboring modules and the air intake of the ma chine Table 4 2 Minimum dimension x for the distance between adjacent modules and the air intake of the machine Shaft height x mm 315 110 355 140 ...

Page 40: ...at their rated power The permissible sound pressure level is 70 dB A 4 9 Voltage and frequency fluctuations during line operation Unless otherwise stated on the rating plate the permissible voltage frequency fluctuation is corresponds to Zone B in IEC EN 60034 1 Permissible fluctuations that go beyond this are indicated on the rating plate or for some versions on a supplementary plate Operate the ...

Page 41: ...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 and in the Electrical Data 4 11 System inherent frequencies Excessively high vibration levels and system resonances can damage the machine set Configure and match the system c...

Page 42: ...h the requirements of the EC Directive regarding electromagnetic compatibility Immunity to interference The machines fulfill the requirements of interference immunity in conformity with EN IEC 61000 6 2 For machines with integrated sensors e g PTC thermistors the operating company must ensure sufficient interference immunity by selecting a suitable sensor signal cable possibly with shielding conne...

Page 43: ...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 insulation system NOTICE Material damage caused by an excessively high supply voltage The insulation system will...

Page 44: ... not adequately connected then the specified equipotential bonding is not provided In this particular case use a separate RF equipotential bonding conductor Between the motor enclosure and protective ground rail of the converter Between motor enclosure and driven machine Use braided flat copper straps or high frequency cables with finely stranded conductors for the separate RF equipotential bondin...

Page 45: ...e Insulated bearings Motor Insulated tachometer fitting Coupling Figure 4 2 Schematic representation of a single drive NOTICE Bearing damage The bearing insulation must not be bridged Bearing currents can damage bearings Do not bridge the bearing insulation for subsequent installation work such as the installation of an automatic lubrication system or a non insulated vibration sensor Where necessa...

Page 46: ... DE bearings of both motors Use an insulated coupling to couple the motors 4 13 5 Tandem operation If you connect two motors in series in tandem operation locate a coupling between the motors this coupling should satisfy the Directive 2014 34 EU or the regulations that apply in the country where the equipment is installed 4 13 6 Speed limits for converter operation Observe the information on the r...

Page 47: ...of place This can result in death serious injury or material damage Comply with the required property classes for screwed connections Tighten the screwed connections to the specified tightening torques Injury and material damage caused by incorrect machine alignment If the machine has not been properly aligned this will mean the fastening parts are subjected to stress distortion Screws may become ...

Page 48: ...ation work If the insulation resistance lies below the specified value take appropriate remedial measures These remedial measures may necessitate the machine being removed again and transported 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 ...

Page 49: ...ine 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 5 2 2 2 Checking the insulation resistance and polarization index of the winding WARNING Hazardous voltage at the terminals Hazardous voltages are sometimes present at the terminals during and immedia...

Page 50: ...ompared 6 Read out the insulation resistance one minute after applying the measuring voltage 7 Discharge the winding after measurement e g by doing the following Connect the terminals to the ground potential until the recharge voltage drops to a non hazardous level Attach the connection cable Limit values for the winding insulation resistance The following table specifies the measuring voltage and...

Page 51: ...urement of individual assemblies Dry new windings have an insulation resistance of between 100 2000 MΩ or 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 me...

Page 52: ...ssembly area has sufficient clearance from the floor for the DE shaft end The necessary data is provided in the machine dimension drawing 2 Refer to the shipping documents to check that all motor components are available for assembly 5 3 2 Lift the machine to where it will be mounted and position it For vertical installation use all the eyebolts provided and when necessary hoisting straps accordin...

Page 53: ...ses during operation The thermal expansion of the machine shaft must be compensated by the customer by applying suitable measures Use the spring washers provided to locate the NDE bearing 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 u...

Page 54: ...rotating frequency and twice the line frequency Note any unusual noise when the rotor is manually turned Check the direction of rotation with the motor uncoupled Avoid rigid couplings Repair any damage to the paint this must be done immediately and correctly 5 4 1 Measures for alignment and mounting The following measures are required in order to compensate any radial offset at the coupling and to...

Page 55: ...e system resonance point Foot mounting flange mounting When flanging the machine to a foundation or a machine flange use the specified thread size for the foot and flange mounting corresponding to EN 50347 or IEC 60072 1 or IEC 60072 2 Mount the machine at four foot or flanged holes that are at right angles to one another The customer is responsible for selecting the strength property class of the...

Page 56: ...ximum forces occurring in the case of a fault such as short circuit or system transfers in phase opposition etc Request the foundation force values from the Service Center if required See also Tightening torques for screw and bolt connections Page 125 5 5 2 2 Horizontal types of construction with mounting feet 1 Refer to any instructions for aligning the driven machine and those of the coupling ma...

Page 57: ...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 machine so that its axis is aligned with that of the driven machine but not yet quite touching Advance the machine slowly towards the ...

Page 58: ...tapped holes 5 Lower the machine completely onto the mating flange so that it is fully in contact then remove the studs 6 Fix the machine using the flange fixing bolts See also Tightening torques for screw and bolt connections Page 125 5 5 3 Removing the rotor shipping brace If a rotor shipping brace is attached to the machine remove it at the last possible moment for example when you are ready to...

Page 59: ... 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 machine with the drive output element mounted Dr...

Page 60: ...eat 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 threa...

Page 61: ...nt 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 applies ...

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Page 63: ...in a no voltage condition Ensure that there is a safe and reliable protective conductor connection before starting any work If the incoming power supply system displays any deviations from the rated values in terms of voltage frequency curve form or symmetry such deviations will increase the temperature and influence electromagnetic compatibility Operating the machine on a line supply system with ...

Page 64: ...on at the limits of A and B zones especially in respect of temperature increase and deviation of the operating data from the rated data stamped on the rating plate Do not exceed these limits Do not use machines 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...

Page 65: ... foreign bodies dirt or moisture in the terminal box Close the terminal box using the original seal so that it is dust tight and water tight Use O rings or suitable flat gaskets to seal entries in the terminal box DIN 42925 and other open entries Please observe the tightening torques for cable entries and other screws 6 2 2 1 Circuit diagram inside the terminal box cover Data on the connection and...

Page 66: ...king x Code for split winding where applicable Special case for pole assignment for pole changing machines A lower index signifies a lower speed x Phase designation U V W x Index for winding start 1 or end 2 or if there is more than one connection per winding x Additional indices for cases in which it is obligatory to connect parallel power feed cables to several terminals with otherwise identical...

Page 67: ...tly 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 2 2 6 Connection with without cable lugs In the case of terminals with terminal clamps distribute the conductors in such a way that the clamping heights on both sides of t...

Page 68: ...V 3 0 630 V 5 5 1000 V 8 0 Values apply at an installation altitude of up to 2000 m When determining the required minimum air clearance the voltage value in the table may be in creased by a factor of 1 1 so that the rated input voltage range is taken into account during gen eral use 6 2 3 Screw type connections with connecting thread Cable glands with connecting thread in the terminal box EN 50262...

Page 69: ...e 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 marked accordingly 6 4 1 Minimum surface area of grounding conductor Table 6 3 Minimum cross sectional area of grounding conductor Minimum cross section of the phase conductor ...

Page 70: ...her under the bolt head Use the marked connection location for the grounding conductor on the stator housing Observe the tightening torque Page 126 for the locking screw 6 5 Connecting the temperature sensor anti condensation heater WARNING Hazard due to electric shock The installation of the temperature sensors for the winding monitoring with respect to the winding is implemented according to the...

Page 71: ... temperature sensor anti condensation heating in the terminal box FS 315 FS 355 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 cross section mm 315 240 0 355 300 0 ...

Page 72: ...ross section mm Max con ductor cross section mm Recom mended conduc tor cross section mm Max con ductor cross section mm Recom mended conduc tor cross section mm Max con ductor cross section mm Recom mended conduc tor cross section mm Connection with cable lug DIN 46234 185 120 240 185 300 240 300 240 Connection with cable lug DIN 46234 with termi nal stud for cable con nection 300 240 300 240 Con...

Page 73: ...machine or even in total failure as well as material damage to the plant or system due to machine failure Retighten the clamping nuts after approximately 24 hours and then again after approximately four weeks Make sure that the terminals are de energized before you tighten the nuts 6 7 Connecting converters NOTICE Material damage caused by an excessively high supply voltage Material damage can occ...

Page 74: ...e time tr ns 900 100 1050 200 1260 400 6 8 Final checks Before closing the terminal box terminal base of the machine enclosure check the following Establish the electrical connections in the terminal box in accordance with the information in this documentation Maintain the air clearances between non insulated parts as described in Chapter Minimum air clearances Page 66 Avoid protruding wire ends I...

Page 75: ... with the specific situation on site Once the system has been correctly installed you should check the following prior to commissioning The machine is undamaged The machine has been properly installed and aligned The output transmission elements are set correctly for their type e g alignment and balancing of couplings belt forces in the case of a belt drive tooth forces and tooth flank backlash in...

Page 76: ...Rotate the rotor to ensure that it does not touch the stator Ensure that the bearing insulation is not bridged jumpered Using the appropriately designed and adjusted control and speed monitoring functions ensure that the permissible speeds specified on the rating plate cannot be exceeded Ensure that any supplementary equipment used to monitor the motor is correctly connected and is functioning Ele...

Page 77: ...the motor cannot exceed the specified upper speed limit nmax or fall below the lower speed limit nmin The permissible acceleration time to the 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 machine It is therefore important to check the...

Page 78: ...ntial bonding connections to the mains have been correctly made The air flow is not impeded or shut off by flaps covers or 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 external fan motor on a...

Page 79: ...he temperature value for disconnection on the monitoring equipment before the first machine 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 ...

Page 80: ...en the cause is magnetic or electrical e g voltage imbalance magnetic imbalance If mechanical operation does not improve immediately after switching the machine off then the cause is mechanical e g an imbalance in the electrical machines or in the driven machine inadequate alignment of the machine set operation of the machine with the system resonating system machine base frame foundations etc If ...

Page 81: ...n 2 If the machine is running smoothly and evenly switch on the cooling equipment Continue to observe the machine for a while in no load operation 3 If it runs perfectly connect a load NOTICE Thermal overload of motors connected directly to the line supply In addition to the load torque the ramp up accelerating time is essentially influenced by the moment of inertia to be accelerated While ramping...

Page 82: ...nning 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 the cause is magnetic or electrical If the mechanical running does not improve immediately after switching the machine off then the cause is mechanical Imbalance of the electrical machine or the driven machine The machine...

Page 83: ...an result in death serious injury or material damage Operating the machine 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 g...

Page 84: ... changes with respect to the normal condition can indicate that the machine 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 ...

Page 85: ...he relevant safety regulations and wear the personal protective equipment specified Substances that can be easily ignited and are flammable Chemical substances required for the setup operation and maintenance of machines may be flammable Burns and other damage to health and material may result Read the information in these operating instructions and the product information supplied by the manufact...

Page 86: ...f cooling IC 416 in accordance with EN IEC 60034 6 WARNING Risk of burning Operating the machine without external fan results in overheating This may result in death personal injury and material damage Never commission the machine without an external fan 8 1 2 2 Safety instructions when operating machines with fan CAUTION Risk of injury when touching the fan There is a risk of injury at machines e...

Page 87: ...n damage the 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 ...

Page 88: ...me material 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 ...

Page 89: ...refully comply with the information in Chapter Commissioning Page 73 8 6 2 Decommissioning the machine Record the decommissioning steps This log will be useful upon recommissioning If the machine is going to be out of service for longer than six months then take the necessary measures for preservation and storage Otherwise the machine could be damaged as a result of not being operated 8 6 3 Re com...

Page 90: ...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 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 ...

Page 91: ...vent it from being thrown out If the rotor has balance type H standard type the fitted key must be cut back to roughly half of its length X Rotor out of round shaft bent Consult the manufacturing plant X X Poor alignment Align the machine set check the coupling 1 X Coupled machine not balanced Rebalance the coupled machine X Shocks from coupled machine Investigate the coupled machine X X Uneven ru...

Page 92: ...ucted X X Bearing canted Contact the service center 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 surplus grease X Wrong grease in the bearing Use the correct grease X Friction marks on raceway Replace the bearing X Brinelling or scoring Replac...

Page 93: ...rying out any work on the machine Comply with the general safety instructions Page 11 Comply with the applicable national and sector specific regulations When using the machine within the European Union comply with the specifications laid down in EN 50110 1 regarding safe operation of electrical equipment Note Please contact the service center Page 123 if you require support with service maintenan...

Page 94: ...de you with more information about the correct paint system and methods of repairing paint damage 9 2 Inspection and maintenance 9 2 1 Safety instructions for inspection and maintenance Danger as a result of stationary parts under voltage live parts Live parts represent a hazard Touch protection against active live parts is no longer guaranteed if covers are removed The minimum air and creepage di...

Page 95: ...equired wear suitable protective equipment Danger when cleaning using compressed air When cleaning parts of the machine using compressed air loose parts or particles of dirt can be flung around and cause injury Installed suitable extraction measures Wear personal protective equipment such as protective glasses gloves overall Ensure that personnel not involved in the work are not in the danger area...

Page 96: ...aced 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 Table 9 1 Checks after assembly or repair Check When the motor is running At stand still The electrical parameters are maintained X The permissible bearing and winding temperatures are not exceeded X The smooth running charact...

Page 97: ... 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 ...

Page 98: ...olling bearings The machine 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 reas...

Page 99: ...the rolling bearings proceed as follows 1 Clean the grease nipples at the drive end and non drive end 2 Press in the specified grease and amount of grease according to the data stamped on the lubrication plate Please observe the information on the rating and lubricant plates Regreasing should be carried out when the motor is running max 3600 rpm The bearing temperature can rise significantly at fi...

Page 100: ...ly at the air passage opening between the fan cover and cooling fins of the machine enclosure to ensure that the cooling air can flow without obstruction 9 2 10 Drain condensate If there are condensation drain holes present open these at regular intervals depending on climatic conditions WARNING Hazardous voltage The winding can be damaged if objects are introduced into the condensation holes opti...

Page 101: ...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 9 2 12 Servicing the external fan WARNING Injury caused by rotating parts or live under voltage parts Live electrical parts are dangerous Contact with them can cause death serious injury or materi...

Page 102: ...s a result of inadmissible repair work Repairs are only permissible within the scope of the work described in these operating instructions Otherwise an explosion can occur in an explosive atmosphere This can result in death serious injury or material damage For repairs to go beyond this scope please contact the Service Center Note Before commencing removal you should mark how each of the fastening...

Page 103: ...ing bearings and grease Replacing bearings Recommended interval after which bearings are to be replaced under normal operating conditions Table 9 4 Bearing replacement intervals Ambient temperature Principle of operation Bearing replacement intervals 40 C Horizontal coupling operation 40 000 h 40 C With axial and radial forces 20 000 h Do not reuse bearings that have been removed Remove the dirty ...

Page 104: ...ng the bearing cartridges observe the specified screw tightening torques 9 3 1 3 Installing bearings Sealing the bearings Note the following details Shaft sealing rings are used to seal machines at the rotor shaft For V rings comply with the assembly dimension Use the specified bearings Ensure that the bearing sealing disks are in the correct position Insert the elements for bearing preloading at ...

Page 105: ...the catalog or the information provided by the rolling bearing manufacturer Procedure 1 Replace the damaged components 2 Remove any dirt from the components Remove any grease and the remains of sealant or liquid threadlocker 3 Prepare the bearing seats Lightly oil the inner ring seat Grease the outer ring seat with a solid lubricant such as Altemp Q NB 50 Press the inner bearing cover onto the sha...

Page 106: ...and attention to the correct positioning are vital during installation and assembly Make sure the sealing surface is free of dirt and damage Lightly grease the sealing lips 9 3 3 Fan 9 3 3 1 Metal fan disassembly Metal fan Shaft height 63 Release the two M4 clamping screw so that the fan can rotate freely on the shaft Shaft heights 71 90 Release the M5 set screw so that the fan can rotate freely o...

Page 107: ...d request new parts 9 3 4 Canopy mounting a rotary pulse encoder under the canopy Canopy encoder under the canopy For screwed canopies insert the fastening screws through the holes on the outer surface of the canopy Tighten the fastening screws with a torque of 3 Nm 10 9 3 5 Tightening torques Note the information in Chapter Tightening torques Page 125 9 3 6 Screw lock washers Nuts or bolts that a...

Page 108: ...rovided with this machine You can find additional operating instructions here Further documents Page 124 9 3 9 1 Mounting a brake optional Table 9 5 Assigning standard brakes for 1LE5 machines Frame size FS Brake type Size assignment of the brakes 315 SFB 250 SH 250 355 SFB 400 SH 400 9 3 10 O ring seal If O ring seals are present you should check that they are in perfect condition and that the O ...

Page 109: ...e rating plate Note The 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 Data matrix code A data matrix code may be provided on machines manufactured in Europe You can retrieve the following information from the data matrix code Machine type Serial ...

Page 110: ...arts that can only be supplied during the active production of the machine until the product discontinuation Repair parts are parts used for the repair or modification of the current products These parts should be replaced only by authorized service or modification partners Standardized parts Standardized parts are machine parts that can be commercially obtained with the necessary dimensions mater...

Page 111: ...f 5 years Siemens provides information about spare parts and when required provides documentation 10 5 Ordering example Table 10 1 Ordering example End shield drive end 1 40 End shield Machine type 1LE5504 3AB73 4AB0 Ident No UC 1504 156750601 corresponding to the rating plate Take the type and serial number from the rating plate and the machine documentation When replacing rolling contact bearing...

Page 112: ...89 Bolt 4 00 Stator complete 5 94 Screw 4 04 Eyebolt 5 96 Sealing plug 4 20 Cover 5 99 Adapter plate 4 37 Ground terminal plate 6 00 Bearings NDE 4 38 Spring lock washer 6 02 Locking ring 4 39 Grounding screw self tapping screw 6 03 Bearing cover NDE inner 5 00 Terminal box complete 6 10 Rolling bearing 5 03 Seal 6 20 Bearing shield 5 06 Mounting rail 6 23 Shaft sealing ring 5 10 Complete terminal...

Page 113: ...se standard parts according to dimensions material and surface properties through normal commercial channels No Standard Picture No Standard Picture 6 02 DIN 471 6 75 EN ISO 4026 4 04 DIN 580 5 55 EN ISO 4032 1 60 6 10 DIN 625 4 39 5 60 5 79 5 89 EN ISO 4017 1 30 1 49 5 46 5 49 5 60 6 29 7 49 EN ISO 4762 3 38 DIN 6885 5 94 EN ISO 7045 5 18 5 36 EN ISO 7089 ...

Page 114: ...315 355 112 Operating Instructions 10 2020 A5E41454666A 10 8 Exploded drawings 10 8 1 1LE5 1PC4 shaft height 315 Overall length 1LE5 1PC4_ _ _ _ _ _ 6 7 8 2 pole 4 pole The overall length corresponds to the 11th position of the machine type on the rating plate ...

Page 115: ...ft height 315 355 Operating Instructions 10 2020 A5E41454666A 113 10 8 2 Terminal box shaft height 315 Overall length 1LE5 1PC4_ _ _ _ _ _ 6 7 8 2 pole 4 pole The overall length corresponds to the 11th position of the machine type on the rating plate ...

Page 116: ...t height 315 355 114 Operating Instructions 10 2020 A5E41454666A 10 8 3 1LE5 1PC4 shaft height 315 Overall length 1LE5 1PC4_ _ _ _ _ _ 0 2 4 5 6 6 pole 8 pole The overall length corresponds to the 11th position of the machine type on the rating plate ...

Page 117: ... height 315 355 Operating Instructions 10 2020 A5E41454666A 115 10 8 4 Terminal box shaft height 315 Overall length 1LE5 1PC4_ _ _ _ _ _ 0 2 4 5 6 6 pole 8 pole The overall length corresponds to the 11th position of the machine type on the rating plate ...

Page 118: ...Spare parts 10 8 Exploded drawings 1LE5 1PC4 shaft height 315 355 116 Operating Instructions 10 2020 A5E41454666A 10 8 5 1LE5 1PC4 shaft height 355 ...

Page 119: ...Spare parts 10 8 Exploded drawings 1LE5 1PC4 shaft height 315 355 Operating Instructions 10 2020 A5E41454666A 117 10 8 6 Terminal box shaft height 355 ...

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Page 121: ...materials When disposing of the machine 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 contact your local authorities for more information about disposal 11 1 RoHS restricting the use of certain hazardous substances In compliance with RoHS Restriction of certain Hazardous Substances we rep...

Page 122: ...eparately and dispose of them in a professional manner 5 Detach the machine fixings 6 Transport the machine to a suitable location for disassembly See also Corrective maintenance Page 100 11 4 Dismantling the machine Dismantle the machine using the general procedures commonly used in mechanical engineering WARNING Machine parts can fall The machine is made up of heavy parts These parts are liable ...

Page 123: ...vents 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 have been used while working on the machine Packaging material If necessary contact a suitable specialist disposal company Wooden packag...

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Page 125: ...onsible service center on your behalf You can find your contact person in the relevant contact da tabase www siemens com yourcontact www siemens com yourcontact Siemens Support for on the move With the Siemens Industry Online Support App you can access more than 300 000 documents for Siemens Industry products any time and anywhere The App supports you in the following areas Resolving problems when...

Page 126: ...r documents 1LE5 1PC4 shaft height 315 355 124 Operating Instructions 10 2020 A5E41454666A A 1 Further documents These operating instructions can also be obtained at the following Internet site http support industry siemens com ...

Page 127: ...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 for bolted connections with a tolerance of 10 Thread M5 M6 M8 M10 M1...

Page 128: ... 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 1 3 Terminal boxes end shields grounding conductors sheet metal fan covers If no other tightening torques are specified then the values in the following table apply Table B 3 Tightening torques for screws on the terminal box end shields screw type grounding conductor connections Thread M 3 5 M 4 M 5 M 6 M 8 M 10 ...

Page 129: ...cable glands that are to be mounted directly on the machine as well as for any other screw type connections such as adapters Table B 4 Tightening torques for cable glands Metal 10 Nm Plastic 10 Nm Clamping range mm O ring Cord mm Standard 30 C 100 C M 12 x 1 5 8 1 5 3 0 7 0 2 M 16 x 1 5 10 2 4 5 10 0 M 20 x 1 5 12 4 7 0 13 0 M 25 x 1 5 9 0 17 0 M 32 x 1 5 18 6 11 0 21 0 M 40 x 1 5 19 0 28 0 M 50 x...

Page 130: ...Technical specifications B 1 Tightening torques 1LE5 1PC4 shaft height 315 355 128 Operating Instructions 10 2020 A5E41454666A ...

Page 131: ...uctions 10 2020 A5E41454666A 129 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 ...

Page 132: ...Quality documents C 1 Quality documents SIMOTICS in SIOS 1LE5 1PC4 shaft height 315 355 130 Operating Instructions 10 2020 A5E41454666A ...

Page 133: ...les Selection of 62 Cooling system faults 90 Correct usage 18 Coupling 44 D Damping cores 42 Data matrix code 107 Disassembly Disposal 120 Disposal Chemicals 121 Components 120 Drive output element 58 E Electrical faults 88 Electromagnetic compatibility 15 Electromagnetic fields 13 Emergency off 85 Emitted interference 13 Equipotential bonding conductor 41 ESD guidelines 14 External fan 36 Commiss...

Page 134: ...nish 25 Paint system 92 Paintwork damage 92 Polarization index 35 47 75 99 Measuring 49 Positioning 54 Precision alignment 55 Preload Rotor bracing 34 Preparations for assembly 46 Property class 54 Q Qualified personnel 12 R Radial force 58 Rating plate 18 Re commissioning 87 Regreasing system 35 Repair Initial inspection 94 Repair parts 108 RF grounding point 41 Rolling bearings Assembly 103 faul...

Page 135: ...ht 315 355 Operating Instructions 10 2020 A5E41454666A 133 T Tandem operation 43 Technical Support 123 Terminal marking 64 Test run 79 Tightening torques 61 Bolted connection 125 V Vibration values 39 80 Voltage fluctuations 38 ...

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Siemens SIMOTICS SD 1LE5, Operating Instructions Manual, Page: 90 / 136

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