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Operating Instructions   Edition 03/2008

Three-phase induction motor

AC COMPACT DRIVES

Type 1PL622.

Summary of Contents for 1PL622

Page 1: ...Operating Instructions Edition 03 2008 Three phase induction motor AC COMPACT DRIVES Type 1PL622 ...

Page 2: ...26 03 2008 10 58 ...

Page 3: ...tion 1 Description 2 Transport assembly and connection 3 Start up 4 Operation 5 Faults 6 Maintenance 7 Spare parts 8 Notes 9 Three phase induction motor AC COMPACT DRIVES 1PL622 Operating Instructions Edition 03 2008 ...

Page 4: ...n Commissioning and operation of a device system may only be performed by qualified personnel Within the context of the safety notes in this documentation qualified persons are defined as persons who are authorized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Prescribed Usage Note the following WARNING This device may onl...

Page 5: ...struction types 19 2 5 4 Regulations 20 2 5 5 Degree of protection 21 3 Transport assembly and connection 23 3 1 Transport storage and maintenance 23 3 1 1 Transport storage 23 3 1 2 Storage 24 3 1 3 Preservation 25 3 2 Assembly 26 3 2 1 Installation 26 3 2 2 Mounting 28 3 3 Electrical connection 29 3 3 1 Safety note for the drive CLIQ interface 29 3 3 2 Connecting the stator winding 29 3 3 3 Conn...

Page 6: ...ial inspection 60 7 2 3 Main service 60 7 3 Corrective Maintenance 61 7 3 1 Instructions for repair 61 7 3 2 Dismantling 62 7 3 3 Re assembly 65 7 3 4 Screw type connections 67 7 3 5 Replacing the sensor module 67 8 Spare parts 69 8 1 Orders for spare parts 69 8 2 Spare parts 1PL6 70 8 3 Spare parts 1PL6 for radial ventilation 72 9 Notes 75 Index 79 Tables Table 2 1 Technical support 15 Table 2 2 ...

Page 7: ...3 1 1 Cover sheet detailed view 28 Figure 3 2 Connecting direction UVW for connection voltages of 400 V 480 V 30 Figure 3 3 Tightening torques for contact nuts and mounting bolts contact nut mounting bolt 32 Figure 3 4 Detailed view of fan for operation at 50 Hz 35 Figure 3 5 Detailed view of fan for operation at 60 Hz 35 Figure 3 6 Detailed view of fan for operation at 50 Hz 36 Figure 3 7 Detaile...

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Page 9: ...nel Commissioning and operation of this machine are to be carried out by qualified personnel only For the purpose of the safety information in this Instruction Manual a qualified person is someone who is authorized to energize ground and tag equipment systems and circuits in accordance with established safety procedures 1 2 Safety and application instructions The safe use of electrical machines WA...

Page 10: ...ons relating to installation connection ambient and operating conditions are taken into account at all times The system specific installation and safety regulations are observed Personal protective equipment is used Work on or in the vicinity of these machines by unqualified persons is prohibited If the machines are used outside industrial areas the installation site must be safeguarded against un...

Page 11: ... health or even death It is therefore forbidden for persons with heart pacemakers to enter these areas The plant operator is responsible for taking appropriate measures labels and hazard warnings to adequately protect operating personnel and others against any possible risk Observe the relevant nationally applicable health and safety regulations In Germany electromagnetic fields are subject to reg...

Page 12: ...ed Electronic modules should not be brought into contact with electrically insulating materials such as plastic foil plastic parts insulating table supports or clothing made of synthetic fibers Always place electrostatic endangered assemblies on conductive bases Always store and transport electronic modules or components in conductive packaging e g metallized plastic or metal containers Note If th...

Page 13: ...ents A5E00264365A Siemens AG Operating Instructions 2 02 1PL622 11 1 Sitting 2 Standing 3 Standing sitting ESD protective measures a conductive floor b ESD table c ESD footwear d ESD coat e ESD wrist strap f cubicle ground connection ID 6006 01 ...

Page 14: ...Safety information 1 5 EC Declaration by the Manufacturer A5E00264365A 12 Siemens AG Operating Instructions 2 02 1PL622 1 5 EC Declaration by the Manufacturer ...

Page 15: ...Safety information 1 6 EC Declaration of Conformity A5E00264365A Siemens AG Operating Instructions 2 02 1PL622 13 1 6 EC Declaration of Conformity ...

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Page 17: ...er Contact for further information Details regarding the design of this electrical machine and the permissible operating conditions are described in these operating instructions If you have any questions or suggestions or if you require additional information please contact the Siemens Service Center Table 2 1 Technical support Phone 49 0 180 50 50 222 Europe Germany Fax 49 0 180 50 50 223 America...

Page 18: ...to the appropriate SIEMENS office immediately These Operating Instructions are included in the scope of delivery and must be kept in a location where they can be easily accessed The rating plate enclosed as a loose item with the delivery ensures that the motor data can also be affixed on or near the machine or system ID 303 02 2 4 Rating plate The motor rating plate shows the technical specificati...

Page 19: ...Maximum speed rpm ID 386 02 2 5 Layout 2 5 1 Cooling Description The three phase motors of the 1PL6 series are externally and enclosed ventilated low voltage induction motors with a squirrel cage rotor and a separately driven fan unit mounted as standard The motors have an internal cooling circuit cooling method IC06 according to DIN EN IEC 60034 6 Cooling process basic type ཱ Figure 2 2 Cooling p...

Page 20: ...sensor systems can be installed or built on NOTICE A minimum clearance of 100 mm from devices added on by the customer must be observed at the air intake opening and at the air outlet openings in order to guarantee the necessary flow of cooling air Coolilng process on motors with radial ventilation option ແ ແ ໂ Figure 2 3 Cooling process for ventilating from the non drive end to the drive end on m...

Page 21: ...es Further potential applications The construction type of the motor is stated on the rating plate CAUTION During transportation motors must only be hoisted in a position corresponding to their basic construction type Basic construction type acc to rating plate Type Other applications in construction type IM B3 1PL6 224 1PL6 228 IM B6 IM B7 IM B8 IM V5 IM V6 IM B35 1 1PL6 224 1PL6 228 IM V36 IM V1...

Page 22: ...iew from above onto construction type IM B3 1 Hoisting points ID 389 01 2 5 4 Regulations Overview The motors comply with the following regulations under IEC EN 60034 Table 2 3 Compliance with standards Feature Standard Dimensions and operating performance IEC EN 60034 1 Degree of protection 1 IEC EN 60034 5 Cooling IEC EN 60034 6 Type of construction IEC EN 60034 7 Noise emission IEC EN 60034 9 V...

Page 23: ...1 2 5 5 Degree of protection The three phase motors of the 1PL6 series are built to degree of protection IP23 in accordance with IEC EN 60034 5 The standard version of the motors is not suitable for operation in a salt laden or corrosive atmosphere nor for installation outdoors ID 391 ...

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Page 25: ... eyebolts e g on fan cowls and cooler attachments are suitable only for hoisting the respective parts To hoist the motor in particular at attachments and built on assemblies use suitable cable guidance or spreading equipment Observe the lifting capacity of the hoisting gear For weight see rating plate and table Weights of standard versions Table 3 1 Weights of standard versions IM B3 Type Weight 1...

Page 26: ...g notes on storage Storing outdoors Store the machine in a location that meets the following criteria Choose a dry storage location with plenty of space which is safe from flooding and free from vibrations Repair any damage to the packaging before putting the equipment into storage insofar as this is necessary to ensure proper storage conditions Position machines devices and crates on pallets wood...

Page 27: ...amage to bearings due to vibration On machines that have been supplied with a rotor locking device secure the rotor as per the notes on transportation Protect the machine against strong radial vibrations since the rotor locking device might not absorb these completely Condensation water Condensation water can collect in the machine as a result of sharp fluctuations in ambient temperature exposure ...

Page 28: ...s while the motor is running or immediately after it has been running CAUTION When positioning temperature sensitive components wires etc make sure that they are not in contact with the motor enclosure NOTICE Note also the technical specifications on the rating plates on the motor enclosure Cooling conditions in general In the case of motors that are cooled by the ambient air the cooling air must ...

Page 29: ...outlet openings units and wires are mounted without distortion the shipping covers of the ventilation openings are removed Balancing quality The rotors are balanced dynamically In the case of shaft ends with feather keys the method used to balance the rotors can be identified from the following coding to be found on the end face at the drive end of the shaft end Code H means balancing with half a ...

Page 30: ... evaluating the noise levels at the workplaces of the system operators consider the fact that the A weighted sound pressure level measured in accordance with DIN EN 21680 Tl 1 of 70 dB A is exceeded when the three phase motors are operated at nominal load ID 395 01 3 2 2 Mounting Requirements In order to ensure smooth vibration free motor operation a stable foundation design is required the motor ...

Page 31: ... sure that the vibration values permitted in accordance with DIN ISO 10816 3 are maintained Motors that are mounted as a result of their type of construction to the wall using the motor feet must be fixed in place using an adequately dimensioned positive form fit e g using studs or mounting rails ID 331 02 3 3 Electrical connection 3 3 1 Safety note for the drive CLIQ interface CAUTION Electrostat...

Page 32: ...tion of rotation resulting from the installation itself are not shown in the information on the rating plate and need to be considered separately when making the connections Terminal designations The following definitions apply in principle to the terminal designations of three phase motors in accordance with DIN VDE 0530 Part 8 or IEC 60034 8 Table 3 2 Terminal designations with the 1U1 1 as an e...

Page 33: ...6224 F 1PL6224 L 1PL6226 D 1PL6226 F 1PL6226 L 1PL6228 D 1PL6228 F 1PL6228 L 1XB7 700 3 x M72 x 2 56 3 x 2 x M12 3 x 150 583 8 th digit of the MLFB 7 8 1PL6 224 B 1PL6226 B 1PL6228 B 1XB7 322 2 x M50 x 1 5 38 3 x M12 2 x 50 191 1PL6224 D 1XB7 422 2 x M63 x 1 5 53 3 x M12 2 x 70 242 1PL6224 F 1PL6224 L 1PL6226 D 1PL6226 F 1PL6226 L 1PL6228 D 1PL6228 F 1PL6228 L 1XB7 700 3 x M75 x 1 5 68 3 x 2 x M12...

Page 34: ...the insulation of the cable strands cannot be damaged Note We recommend you use shielded cables whose shields are conductively connected to a large area of the metal terminal box of the motor with an EMC cable gland made of metal NOTICE Unused threads must be sealed with a metallic screw plug Internal equipotential bonding The equipotential bonding between the ground terminal in the terminal box h...

Page 35: ... of laying permissible cable diameter etc as stated in the specifications Then close the terminal box Table 3 4 Tightening torque for the fixing screws on the lid Bolt Terminal box type Tightening torque M6 1XB7 322 4 5 Nm M8 1XB7 422 11 Nm M10 1XB7 700 22 Nm ID 396 01 3 3 3 Connecting the ground conductor General The cross section of the ground conductor of the motor must comply with the regulati...

Page 36: ...protective circuit that prevents the main motor from being switched on when the fan unit is not in operation CAUTION Please note that the separately driven fan unit is only suitable for the direction of rotation shown by the direction of rotation arrow The fan must not be operated with the wrong direction of rotation as this could lead to the motor being destroyed Note The direction of rotation ar...

Page 37: ... grille CAUTION Operation at 60 Hz If the motor is operated at 60 Hz the air outlet throttle sheet included in the terminal box must be screwed on ཱ ི ཱི ུ Figure 3 5 Detailed view of fan for operation at 60 Hz Fan unit terminal box Cable entry Fixing screws for air outlet throttle sheet Air outlet grille Air outlet throttle sheet Fan connection for forced draft ventilation and for radial ventilati...

Page 38: ...ntry Fixing screws for air inlet throttle sheet As standard the fan is designed for operation at 50 Hz ི ཱ ཱི Figure 3 7 Detailed view of fan for operation at 60 Hz Fan unit terminal box Cable entry Fixing screws for air inlet throttle sheet Air inlet throttle sheet CAUTION Operation at 60 Hz If the motor is operated at 60 Hz the air inlet throttle sheet included in the terminal box must be screwed...

Page 39: ...d sensor Connection Connect the speed sensor to the terminal box by means of a plug in connection It is located on top of the box housing ແ Figure 3 8 Detailed view Plug in connection Note The plug in connection may differ from the standard layout in the case of special orders In the version without sensor an armored conduit union is located here ...

Page 40: ...the speed sensor Insert the connector into the socket Press the cable into the holder provided for it Screw on the sensor cover Take care that you do not catch the cable as you screw it in ID 364 01 3 3 6 Connecting the pulse generator speed sensor radial ventilation option Connection Connect the pulse generator to the terminal box by means of a plug in connection It is located on top of the box h...

Page 41: ...ection between the motor and the converter is via the DRIVE CLiQ cable MOTION CONNECT Always use prefabricated cables from SIEMENS Thes cables reduce the mounting installation time and costs and increase operational reliability Push the connector on the DRIVE CLiQ cable into the socket until the catch spring latches into place Pay attention to the coding of the connector Cable outlet directions Th...

Page 42: ...11 Sensor Module mounted on terminal box NOTICE Changing the cable outlet direction by any improper means will cause damage to the connecting cables The permissible rotation range must not be exceeded A maximum of ten changes to the rotation angle of the Sensor Module are permissible within the rotation range ID 964 3 3 8 Connecting the temperature sensor Connection Connect the wires of the temper...

Page 43: ...al connection A5E00264365A Siemens AG Operating Instructions 2 02 1PL622 41 Note The plug in connection may differ from the standard layout in the case of special orders In the version without sensor an armored conduit union is located here ID 342 ...

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Page 45: ...ARNING Hazardous voltage During the measurement and immediately afterwards hazardous voltage levels are applied on some of the terminals and they should not be touched Touching live components can be result in death or serious injury Never touch the terminals when measuring or immediately after the measurement Check the supply feeder cables connected in order to ensure that the line supply voltage...

Page 46: ...on resistance is close to the minimum value then the cause could be humidity and or fouling Over its operating lifetime the motor winding insulation resistance can drop due to ambient and operational influences The critical insulation resistance at a winding temperature of 25 C is 2 5 MΩ NOTICE Critical insulation resistance is reached or insufficient If the critical insulation resistance is reach...

Page 47: ...he rating plate The power output elements have the proper setting conditions according to type for example Couplings are aligned and balanced The belt tension is properly adjusted if there is a belt drive Gear tooth flank play and gear tooth tip play as well as radial play are properly adjusted if there is gearwheel drive The minimum insulation resistance values are maintained The grounding and eq...

Page 48: ...equency converter have been assigned correctly We recommend you use appropriate commissioning tools e g Drive ES or STARTER CAUTION If the motor is not running smoothly or is emitting abnormal noises de energize it and determine the cause of the fault as the motor runs down NOTICE The critical speed nmax 4500 rpm is the maximum operating speed permissible over short periods ID 400 01 ...

Page 49: ...us effective cooling of the motor Removing the covers during operation can result in death serious injury and property damage Never open covers during operation CAUTION Speed monitoring The motor is designed for a certain speed range If a motor is operated at impermissible speeds damage to the winding bearings or complete destruction of the motor can be the result Ensure that the speeds specified ...

Page 50: ...n doubt switch off the drive in question immediately ID 348 See also Rating plate Page 16 Power on Page 46 5 2 Stoppages Measures when motors are at standstill and ready for operation For longer periods when the motor is not being used either energize the motor at regular intervals roughly once a month or at least spin the rotor Please refer to the section Energizing before restarting the motor NO...

Page 51: ...ing Measures Always refer to the respective manual of the frequency converter when de energizing Note The fan must be shut down during longer periods in which the motor is not operated NOTICE We strongly recommend that you continue operating the fan for approx 30 min after shutting down the motor ID 351 ...

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Page 53: ...ong direction of rotation of fan Check air passages clean filter replace fan if necessary x Rotor not balanced Rebalance rotor x Rotor out of true shaft bent Consult the manufacturer x Poor alignment Align motor unit check coupling 2 x x Coupled motor not balanced Rebalance coupled motor x Shocks from coupled motor Check coupled motor x Imbalance originating from gearing Adjust repair gearing x x ...

Page 54: ...lt characteristics Motor will not start up Motor starts up slowly Drumming noise during startup Drumming noise during operation Drumming noise in time with twice slip frequency High temperature rise at no load High temperature rise under load High temperature rise of individual winding sections Note If electrical faults occur please refer to the manual for the frequency converter ID 353 ...

Page 55: ...ecessary specialist know how are entrusted to carry out work on power installations In addition to the main phases also ensure that supplementary and auxiliary circuits are also de energized CAUTION Be careful of those parts of the motor that get hot and let them cool down before starting maintenance work Safety regulations Always comply with the following safety rules before starting maintenance ...

Page 56: ... of the SIEMENS Service Centers to carry out the maintenance work for you ID 401 01 See also Siemens Service Center Page 15 7 1 2 Maintenance intervals General Careful and regular maintenance inspections and overhauls are essential for detecting and eliminating faults in good time before they can cause any damage Operating situations and characteristics can vary widely For this reason only general...

Page 57: ...ational severity is 2 8 mm s measured on the end shield of the impeller side motor bearing Regularly clean and inspect the fan Impeller and frame are subject to natural wear depending on the area of application and displacement medium WARNING Impeller can crack Due to deposits and the resulting imbalance there is a hazard of fatigue fracture of the impeller The impeller can crack in operation Deat...

Page 58: ...elubrication intervals are stated on the lubrication instruction plate of the three phase motor NOTICE Observe the basic lubrication interval see section entitled Measures intervals NOTICE If there is a long interval between delivery and commissioning of the motor the bearings must be relubricated The grease change intervals apply for normal loads operation at speeds corresponding to those specifi...

Page 59: ...vals NOTICE Never mix greases that have different thickening agents and base oils Initial lubrication ESSO Unirex N grease is used for initial lubrication of the bearings prior to delivery Lubricating using the regreasing device ແ ໂ Figure 7 1 D end and N end end shields with grease nipples Button head lubricating nipple to DIN 3404 size M10x1 drive end DE Button head lubricating nipple to DIN 340...

Page 60: ... the bearing Arrangement of the grease nipples on motors with radial ventilation ແ ໂ Figure 7 2 N end end shield with grease nipples at N end and D end Button head lubricating nipple to DIN 3404 size M10x1 non drive end NDE Button head lubricating nipple to DIN 3404 size M10x1 drive end DE ID 969 01 7 1 6 Cleaning Cleaning the greasing channels and used grease chambers The used grease collects out...

Page 61: ... on the local degree of pollution WARNING Particularly when cleaning using compressed air make sure you use suitable extraction equipment and wear protective gear safety goggles respiratory filter etc ID 363 7 2 Inspection 7 2 1 General inspection specifications Instructions relevant to safety NOTICE The required regreasing intervals for rolling contact bearings optional are not the same as the se...

Page 62: ...cks Correct any deviations that are determined in the inspection without delay NOTICE Adapt the inspection to the plant specific conditions This list does not claim to be complete Further tests also should be carried out in accordance with the additional instruction manuals e g bearings cooler etc or in accordance with the particular system specific conditions ID 367 02 7 2 3 Main service Inspecti...

Page 63: ...nnel only In the safety notes in this documentation qualified personnel refers to those persons who are authorized to commission ground and mark devices systems and circuits in accordance with established safety procedures Safety notes WARNING Rotating or live parts Rotating or live parts are dangerous Death serious injury or material damage can result if the required covers are removed or if the ...

Page 64: ...es to disassemble parts and components attached to the motor shaft Three phase motors of a vertical construction type can be dismantled in the horizontal position Working with three phase motor in vertical position NOTICE When working on the locating bearing when the three phase motor is in its vertical position support the rotor When attaching the rotor in the vertical position make sure that the...

Page 65: ...ns the conditions required for line connection Installing the active parts of the bearings NOTICE We recommend that you label the components that comprise the active part of the bearing before dismantling them in order to ensure correct reassembly NOTICE When dismantling and assembling the bearings make sure that you match up the components correctly bearings preloading springs equalizing rings ca...

Page 66: ...ys disassemble the speed sensor before you dismantle the three phase motor in order to prevent it from becoming damaged To disassemble the speed sensor proceed as follows 1 Screw off the sensor cover 2 Detach the electrical connection Pull the cable carefully out of its holder Pull out the connector 3 Remove the screw connections holding the sensor on the end shield 4 Pull the sensor off the shaft...

Page 67: ...ne after the other This releases the sensor cone in the motor shaft Remove the sensor FD 0 ແ ໂ Figure 7 5 Disassembling the speed sensor forcing off 2nd option Release the retaining screw Press the screw M10 onto the original screw This causes it to fall out Remove the sensor ID 403 01 7 3 3 Re assembly Re assembly instructions If possible assemble the motor on a straightening plate This ensures t...

Page 68: ...nal boxes and replace them if they do not provide an adequate seal Installing the active parts of the bearings NOTICE Before mounting the bearings ensure that the parts and components that are to be located on the shaft inside the bearing have been mounted beforehand To fit the bearings on the shaft heat them up to about 80 C in oil or air Then push the bearings onto the shaft up to its shoulder N...

Page 69: ...s with flat gaskets Bolt locking devices Nuts or bolts that are mounted together with locking resilient and or force distributing elements e g safety plates spring lock washers etc must be refitted together with identical fully functional elements Always replace keyed elements ID 379 01 7 3 5 Replacing the sensor module Only trained service engineers are authorized to replace the sensor module WAR...

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Page 71: ...mber is also stamped on the end face of the shaft end on the drive end Serial number of the motor Example End shield drive end part 5 00 See rating plate for motor type and serial number Commercially available standard components can be used but ensure that they have the same construction type dimensions strength class etc When replacing rolling contact bearings in addition to the bearing identifi...

Page 72: ...Spare parts 8 2 Spare parts 1PL6 A5E00264365A 70 Siemens AG Operating Instructions 2 02 1PL622 8 2 Spare parts 1PL6 Spare parts Figure 8 1 Spare parts 1PL6 ...

Page 73: ...taining ring 4 40 Deep groove ball bearing locating bearing 4 50 Inner bearing cap 5 00 End shield DE 6 00 End shield NDE 6 44 Cover 6 80 Sensor cover 8 00 Rotor complete 10 00 Stator housing with laminated core and winding 10 53 Hoisting lug 13 80 Grease nipple Terminal box 20 20 Terminal box with terminal support 20 30 Lid terminal box 20 50 Entry plate terminal box 32 12 Fan unit complete 55 12...

Page 74: ...8 3 Spare parts 1PL6 for radial ventilation A5E00264365A 72 Siemens AG Operating Instructions 2 02 1PL622 8 3 Spare parts 1PL6 for radial ventilation Spare parts Figure 8 2 Spare parts 1PL6 with radial ventilation ...

Page 75: ...ring cap 4 30 Retaining ring 4 40 Deep groove ball bearing locating bearing 4 50 Inner bearing cap 5 00 End shield DE 6 00 End shield NDE 6 44 Cover 6 80 Sensor cover 8 00 Rotor complete 10 00 Stator housing with laminated core and winding 10 53 Hoisting lug 13 80 Grease nipple Terminal box 20 08 Terminal box base 20 20 Terminal box with terminal support 20 30 Lid terminal box 20 50 Entry plate te...

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Page 81: ... 24 C Condensation water 25 D Degree of protection 20 E External fan Maintenance 55 I Initial inspection 60 Inspection interval 60 P Preservation 25 R Rating plate 16 S Sensor module 29 67 Siemens Service Center 15 Storage 24 Storage location 24 T Tightening torque Screwed union connections 67 ...

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Page 85: ...AB U151 Herstellererklärung AB U161 Konformitätserklärung ...

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