Siemens 1PH728 Operating Instructions Manual

Three-phase servomotor, ac compact drives
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Three-phase servomotor
AC COMPACT DRIVES
Operating Instructions
This documentation pertains to
Type 1PH728
A5E00177602A
Edition 08.2006
Safety information
Description
Installation / Assembly
Startup
Operation
Maintenance
Spare parts
1
2
3
4
5
6
7
8

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Table of Contents
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Summary of Contents for Siemens 1PH728

  • Page 1 Safety information Description Three-phase servomotor AC COMPACT DRIVES Installation / Assembly Operating Instructions Startup Operation Faults This documentation pertains to Maintenance Type 1PH728 A5E00177602A Spare parts Edition 08.2006...
  • Page 2 Trademarks All names identified by ® are registered trademarks of the Siemens AG. The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner.
  • Page 3: Table Of Contents

    Connecting the temperature sensor ..................3-14 Startup ..............................4-1 Preparations..........................4-1 Measures to be performed prior to commissioning..............4-3 Energizing ..........................4-4 Operation..............................5-1 Operation ........................... 5-1 Stoppages ..........................5-2 De-energizing..........................5-2 Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 4 Service period intervals......................7-3 Table 7-2 Rolling-contact bearing greases ....................7-4 Table 7-3 The rotor weights for the 1PH7 three-phase motor can be found in the following table:..7-10 Table 8-1 Spare parts 1PH7........................8-3 Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 5: Safety Information

    These instructions therefore only contain the information which is necessary for the motors to be used by qualified persons in accordance with their intended purpose. Note We recommend engaging the support and services of your local Siemens service center for all planning, installation, commissioning and maintenance work. Siemens AG A5E00177602A...
  • Page 6 Safety information 1.1 Safety and application information [ID 2] See also • SIEMENS Service Center (Page 2-1) Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 7: Ec Declaration By The Manufacturer

    Safety information 1.2 EC Declaration by the manufacturer 1.2 EC Declaration by the manufacturer Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 8: Ec Declaration Of Conformity

    Safety information 1.3 EC Declaration of Conformity 1.3 EC Declaration of Conformity Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 9: Description

    Details about 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 further information, please contact the Siemens Service Center: Table 2-1...
  • Page 10: Scope Of Delivery

    The drive systems are put together on an individual basis. When you take receipt of the delivery, please check immediately whether the scope of the delivery matches up with the accompanying documents. Siemens will not accept any warranty claims relating to items missing from the delivery that are submitted later.
  • Page 11: Design

    (cooling method IC 06; DIN EN IEC 60034-6). The separately driven fan unit and the terminal box can be mounted in a different position depending on the order. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 12: Drive

    [ID: 309.01] 2.5.2 Drive Description The variable-speed, three-phase motors of the 1PH7 series are supplied with power by a frequency converter. [ID: 313] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 13: Types Of Construction

    Additional hoisting points for different types of construction (option) Additional hoisting points are provided for those types of construction that differ from the basic types of construction IM B3 and IM 35. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 14: Table 2-4 Additional Hoisting Points For Different Types Of Construction

    For those types of construction that differ from basic types of construction IM B3 and IM B35, the louvered covers must be positioned as follows at the air inlet and air outlet in order to maintain the degree of protection: Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 15: Regulations

    Dimensions and operating characteristics IEC EN 60034-1 Degree of protection IEC EN 60034-5 Cooling IEC EN 60034-6 Type of construction IEC EN 60034-7 Noise emission IEC EN 60034-9 Vibration severity levels IEC EN 60034-14 Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 16: Degree Of Protection

    The shaft gland at the drive end is built to degree of protection IP54 as standard. The standard version of the motors is not suitable for operation in a salt-laden or corrosive atmosphere, nor for installation outdoors. [ID: 320.01] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 17: Installation / Assembly

    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"). Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 18: Installation

    Caution When positioning temperature-sensitive components (wires etc.), make sure that they are not in contact with the motor enclosure. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 19 Higher IP requirements may necessitate the installation of suitable filters and special positioning of the intake and outlet openings. • units and wires are mounted without distortion. • the shipping covers of the ventilation openings are removed. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 20: Mounting

    The feather keys are only locked against falling out during shipping. Noise emission Motors of the 1PH728 series have a measuring surface sound pressure level Lp(A) of approx. 74 dB(A) in a speed range from 0 through 3000 rpm. The motors are certified for a wide range of installation and operating conditions. In some cases these conditions (e.g.
  • Page 21: Connecting The Stator Winding

    3.5 Connecting the stator winding Circuit diagram Details with respect to wiring and connecting the motor winding are laid down in the circuit diagram. The circuit diagram is attached to the lid of the terminal box. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 22 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: Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 23: Table 3-4 Terminal Box Assignments

    If necessary, insulate the cable lugs in order to maintain the minimum clearances in air of 10 mm and the 20 mm creepage distance normally present. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 24 The standard terminal box cover mounting screws are adequate as potential bonding between the terminal box cover and terminal box itself. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 25: Connecting The Ground Conductor

    (1 + 2). This lug is suitable for connecting stranded conductors with cable lugs or ribbon cables with an appropriately shaped conductor end. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 26: Connecting The Fan

    Please observe the following safety instructions relating to connecting a fan: Caution Provide a protective circuit that prevents the main motor from being switched on when the fan unit is not in operation. Siemens AG A5E00177602A 3-10 Operating Instructions V 2.0 1PH728...
  • Page 27: Connecting The Speed Sensor

    3.8 Connecting the speed sensor Connection Connect the speed sensor to the terminal box by means of a plug-in connection ①. This is located at the side of the terminal box. Siemens AG A5E00177602A 3-11 Operating Instructions V 2.0 1PH728...
  • Page 28 Insert the connector into the socket. ② Press the cable into the holder provided for it. ③ Screw on the sensor cover. Take care that you do not catch the cable as you screw it in. Siemens AG A5E00177602A 3-12 Operating Instructions V 2.0 1PH728...
  • Page 29: Connecting The Sensor Module

    Signal connection The signal connection 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.
  • Page 30: Connecting The Temperature Sensor

    The motors are fitted with a back-up temperature sensor, which is likewise connected to the auxiliary terminals and, if necessary, can be reconnected to the plug connector of the speed sensor (see auxiliary terminals diagram). [ID: 341.01] Siemens AG A5E00177602A 3-14 Operating Instructions V 2.0 1PH728...
  • Page 31: Startup

    During the measurement, and immediately afterwards, some of the terminals are at hazardous voltage levels and must not be touched. Check the supply feeder cables connected in order to ensure that the line supply voltage cannot be connected. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 32 Notice If the measured value is close to the critical value, the insulation resistance should be subsequently checked at appropriately frequent intervals. (Values apply for measurement at a winding temperature of 25°C) Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 33: Measures To Be Performed Prior To Commissioning

    • all separately driven fans fitted are ready for operation and have been connected such that they rotate in the direction specified. • the flow of cooling air is not impeded. • all brakes are operating correctly. [ID: 345] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 34: Energizing

    If the motor is running irregularly or emitting abnormal noises, de-energize it and determine the cause of the fault as the motor runs down. Notice The critical speed n = 3300 rpm is the maximum operating speed permissible over short periods. [ID: 346.01] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 35: Operation

    In this case, the maintenance technician must be immediately notified in order to prevent disturbances that could either directly or indirectly lead to severe personal injury or substantial material damage. If in doubt, switch off the drive in question immediately. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 36: Stoppages

    Always refer to the respective manual of the frequency converter when de-energizing. If the motor is stopped for longer periods of time, switch off the fan unit and switch on the space heater (if fitted). [ID: 350] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 37: Faults

    As well as eliminating the cause of the fault (as described under "Remedial measures"), you must also rectify any damage the motor may have suffered. Take into account possible changes due to a rise in temperature. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 38: Table 6-2 Diagnosis Table For Electrical Faults

    Apart from eliminating the cause of the fault (as described under "Remedial measures"), you must also rectify any damage the motor may have suffered. Take into account possible changes due to a rise in temperature. [ID: 352.01] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 39: Maintenance

    Safety regulations Always comply with the following safety rules before starting maintenance work: Danger Disconnect • Protect against reconnection • Disconnect from supply • Fence off or cover up adjacent live parts • Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 40: Maintenance Intervals

    Note If anything is unclear, we urgently recommend that you consult us stating the type and serial number of the three-phase motor or get one of the SIEMENS Service Centers to carry out the maintenance work for you. [ID: 355.01] See also •...
  • Page 41: Bearings

    [ID: 358.01] 7.1.4 Lubrication Relubrication intervals The relubrication intervals are stated on the lubrication instruction plate of the three-phase motor. Notice Observe the basic lubrication interval (see section entitled "Measures, intervals"). Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 42: Table 7-2 Rolling-Contact Bearing Greases

    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). Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 43: Cleaning

    Cleaning the greasing channels and used grease chambers The used grease collects outside each bearing in the used grease chamber of the outer bearing cap. Remove the used grease when you replace a bearing. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 44: Inspection

    It is essential to adhere to them. Note 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. [ID: 365] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 45: Initial Inspection

    Inadmissible deviations detected during this inspection must be eliminated immediately. [ID: 367] 7.2.3 Main service Inspection interval for major inspection The major inspection is conducted after approx. 16,000 operating hours or at the latest after 2 operating years. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 46: Repair

    Instructions relevant to safety Warning Before you begin working on the three-phase motor, in particular before you open the covers of active parts, make sure that the three-phase motor or system is properly isolated. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 47: Dismantling

    When attaching the rotor in a vertical position, make sure that the centering recesses in the shaft ends (DIN 332) - DS M24 have a recessed thread; DIN 580 eye-bolts are unsuitable because only a few threads would be engaged. Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 48: Table 7-3 The Rotor Weights For The 1Ph7 Three-Phase Motor Can Be Found In The Following Table

    Notice Label the components before dismantling. Notice Whenever you work on the locating bearing when the three-phase motor is in its vertical position, support/unload the rotor. Siemens AG A5E00177602A 7-10 Operating Instructions V 2.0 1PH728...
  • Page 49 Pull the rotary shaft seal together with the bearing cap and/or end shield off the shaft. Disassembling the speed sensor Figure 7-3 Detailed view of the speed sensor ① Shaft ② Torque transmission element ③ Speed sensor ④ Sensor cover Siemens AG A5E00177602A 7-11 Operating Instructions V 2.0 1PH728...
  • Page 50 Unscrew the screw M5x50. ② Screw in the screw M5x10 and the screw M6x70 one after the other. This releases the sensor cone in the motor shaft. ③ Remove the sensor. Siemens AG A5E00177602A 7-12 Operating Instructions V 2.0 1PH728...
  • Page 51: Re-Assembly

    When mounting the end shield, make sure that the windings that project from the stator housing do not become damaged. Notice Take great care and pay attention to cleanliness when fitting and assembling the bearings. Siemens AG A5E00177602A 7-13 Operating Instructions V 2.0 1PH728...
  • Page 52 Bergheimer Str. 15, 53909 Zülpich, Germany. Notice Please note that these joints between parts (e.g. the sealing gap between the enclosure and end shield) must also be resealed with a suitable, silicone-free sealant during assembly. Siemens AG A5E00177602A 7-14 Operating Instructions V 2.0 1PH728...
  • Page 53 Check the sealing elements fitted (e.g. at the terminal boxes) and replace them if they do not provide an adequate seal. Notice Follow the manufacturer's application and safety instructions when using the sealant. Siemens AG A5E00177602A 7-15 Operating Instructions V 2.0 1PH728...
  • Page 54 When installing the bearings, make sure that the seat of the shaft is not greased. Figure 7-7 Installing the rotary shaft seal ① Bearing cap end face ② Rotary shaft seal ③ Seat of shaft Siemens AG A5E00177602A 7-16 Operating Instructions V 2.0 1PH728...
  • Page 55: Bolted Connections

    This is why you must only use the sensor module on the original motor. You must not fit the sensor module to other motors or replace it with a sensor module from another motor. Siemens AG A5E00177602A 7-17 Operating Instructions V 2.0 1PH728...
  • Page 56 Maintenance 7.3 Repair Only trained service engineers are permitted to replace the sensor module. [ID 967] See also • SIEMENS Service Center (Page 2-1) Siemens AG A5E00177602A 7-18 Operating Instructions V 2.0 1PH728...
  • Page 57: Spare Parts

    Both of these codes are specified on the lubrication instruction plate and in the motor documentation, or can also be taken from the installed bearings. [ID: 380.01] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 58: Spare Parts 1Ph7

    Spare parts 8.2 Spare parts 1PH7 8.2 Spare parts 1PH7 Spare parts Figure 8-1 Spare parts 1PH7 Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...
  • Page 59: Table 8-1 Spare Parts 1Ph7

    Housing (terminal box) 20.30 Lid (terminal box) 20.50 Entry plate (terminal box) 32.12 Housing with fan unit, complete 55.12 Speed sensor 55.63 Torque transmission element 55.71 Cable with plug connector [ID: 384.01] Siemens AG A5E00177602A Operating Instructions V 2.0 1PH728...

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