Siemens 1PH728 Operating Instructions Manual
Three-phase induction motor ac compact drives
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Summary of Contents for Siemens 1PH728
- Page 1 Operating Instructions Edition 03/2008 Three-phase induction motor AC COMPACT DRIVES Type 1PH728. Siemens Hardware...
- Page 2 17.03.2008 10:00...
- Page 3 Safety information Description Three-phase induction motor AC COMPACT DRIVES Transport, assembly, and connection 1PH728 Operating Instructions Start-up Operation Faults Maintenance Spare parts Notes Edition 03/2008 Siemens Hardware...
- Page 4 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.
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Page 5: Table Of Contents
Connecting the stator winding......................29 3.3.3 Connecting the ground conductor....................33 3.3.4 Connecting the fan........................34 3.3.5 Connecting the speed sensor ......................35 3.3.6 Connecting the Sensor Module....................36 3.3.7 Connecting the temperature sensor ....................37 Start-up..............................39 Preparations..........................39 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 6 Weights of standard versions...................... 23 Table 3-2 Pressure drop in motors with pipe connection ................27 Table 3-3 Terminal designations (with the 1U1-1 as an example).............. 30 Table 3-4 Terminal box assignments ......................30 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
- Page 7 Disassembling the speed sensor: forcing off, 2nd option ............61 Figure 7-6 Sealing gap between enclosure and end shields ................63 Figure 7-7 Installing the rotary shaft seal ......................64 Figure 8-1 Spare parts 1PH7 ........................68 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 9: Safety Information
Only remove covers in accordance with regulations and operate machines correctly. Perform regular maintenance on the machine. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 10 Note Siemens Service Center We recommend engaging the support and services of your local Siemens Service Center for all planning, installation, commissioning, and maintenance work. [ID 2.02]...
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Page 11: Electromagnetic Fields
● Place barriers around hazardous areas. ● Take measures, e.g. using shields, to reduce electromagnetic fields at their source. ● Make sure that personnel are wearing the appropriate protective gear. [ID5003.011] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 12: Esd-Sensitive Components
The necessary ESD protective measures for electrostatically sensitive devices are illustrated once again in the following drawings: Figure 1-1 ESD protective measures A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... - Page 13 1.4 ESD-sensitive components Sitting Standing Standing/sitting ESD protective measures = conductive floor = ESD table = ESD footwear = ESD coat = ESD wrist strap = cubicle ground connection [ID 6006.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 14: Ec Declaration By The Manufacturer
Safety information 1.5 EC Declaration by the Manufacturer EC Declaration by the Manufacturer A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 15: Ec Declaration Of Conformity
Safety information 1.6 EC Declaration of Conformity EC Declaration of Conformity A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 17: Description
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... -
Page 18: 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 claims relating to items missing from the delivery and that are submitted at a later date. -
Page 19: Layout
(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. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 20: 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] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 21: Construction Types
Additional hoisting points are provided for those construction types that differ from the basic construction types IM B3 and IM 35. Figure 2-3 View from above onto construction type IM B3 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 22: Table 2-3 Additional Hoisting Points For Different Construction Types
Figure 2-4 Layout of the louvered covers for various construction types In vertical construction types too, the motor in the separately driven fan must face upwards. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 23: Regulations
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] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 25: Transport, Assembly, And Connection
Approx. 1.5 t 1PH7 288 Approx. 1.8 t NOTICE If the motor is not immediately commissioned, then it should be stored in a dry room which is free from vibration and shock. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 26: Storage
– Covers or tarpaulins must not trail on the floor around the machine. – Place wooden spacer blocks between the covers and the machine. Storing indoors ● Store the machine in a room that meets the following criteria: – Dry, dust-free, frost-free and vibration-free A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 27: Preservation
In the end shields at the drive end and non-drive end, water drain holes are situated in the foot area and opposite the regreasing devices. They are sealed with small plastic plugs or A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 28: Assembly
Hot discharged air must not be reinducted (see also section "Cooling") ● Ventilation openings may only be covered by louvered covers in motors of those construction types in which the openings point downwards. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 29: Table 3-2 Pressure Drop In Motors With Pipe Connection
Make sure that the balancing method of the output element is correct! CAUTION A suitable tool must always be used for fitting and pulling off output elements. The feather keys are only locked against falling out during shipping. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 30: Mounting
3.2 Assembly 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 31: Electrical Connection
The circuit diagram is attached to the lid of the terminal box. Figure 3-1 Connecting direction UVW for connection voltages of 690 V Figure 3-2 Connecting direction UVW for connection voltage of 400 V/480 V A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 32: Table 3-3 Terminal Designations (With The 1U1-1 As An Example)
[mm] per terminal 1PH7 motors, size 280 1PH728.-..B 1XB7712 3 x M63 x 1.5 (3+1) x 3 x M16 3 x 95 1PH7284-..C 1PH7284-..D A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... - Page 33 Arrange the exposed connecting cables in the terminal box so that the PE conductor has excess length and the insulation of the cable strands cannot be damaged. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
- Page 34 ● the right cable glands are fitted with respect to the correct degree of protection, method of laying, permissible cable diameter etc., as stated in the specifications. Then close the terminal box. Note Tightening torque for the fixing screws on the lid: 22 Nm A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 35: Connecting The Ground Conductor
● the minimum necessary screw-in depth and the tightening torque for the clamping bolts must be maintained. Mandatory tightening torques: Bolt Screw-in depth Tightening torque M8x30 > 8 mm 20 Nm [ID: 336] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 36: Connecting The Fan
If necessary, switch the direction of rotation by swapping over two phase conductors in the terminal box. Connection Connect the fan in the terminal box of the fan motor. Figure 3-4 Detailed view of fan, ① fan unit terminal box [ID: 337.02] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 37: Connecting The Speed Sensor
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. Figure 3-5 Detailed view: Speed sensor connection A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 38: 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 39: Connecting The Temperature Sensor
Connecting the temperature sensor Connection Connect the wires of the temperature sensor to the speed sensor connector with the aid of connecting leads (see section entitled "Connecting the speed sensor"). A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 40 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] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 41: Start-Up
● Always measure the insulation resistance of the winding to the motor enclosure when the winding temperature is between 20 and 30°C. ● When measuring, wait until the final resistance value is reached; this takes approximately one minute. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 42 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. [ID: 343.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 43: Measures To Be Performed Prior To Commissioning
● The flow of cooling air is not impeded. ● All brakes are operating correctly. [ID: 345.01] Power on Measures Before you energize the motor, make sure that the parameters of the frequency converter have been assigned correctly. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 44 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 n = 3300 rpm is the maximum operating speed permissible over short periods. [ID: 346.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 45: Operation
● See the operating instructions of the frequency converter for switching on. ● After starting the motor, observe it for a while to see if it is running smoothly and check the monitoring devices. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 46: Stoppages
When restarting the motor after a long shutdown period, carry out the measures recommended in the section entitled "Commissioning". [ID: 349.01] See also Power on (Page 41) Measures to be performed prior to commissioning (Page 41) A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 47: Deactivating
● See the operating instructions of the frequency converter for switching off. ● Switch off the fan unit for longer standstill periods. If a standstill heating unit is available, switch it on. [ID: 350.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 49: 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. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 50 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] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 51: Maintenance
Do not touch frame parts while the machine is in operation or immediately after machine operation. Let frame parts cool off before starting any work. Safety regulations Always comply with the following safety rules before starting maintenance work: ● Isolate, A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 52: Maintenance Intervals
Note If anything is unclear, we strongly recommend that you consult us stating the type and serial number of the three-phase motor or have one of the SIEMENS Service Centers (Page 15) carry out the maintenance work for you. [ID: 355.01] 7.1.2... -
Page 53: Maintenance Of The External Fan
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. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 54: Bearings
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"). NOTICE If there is a long interval between delivery and commissioning of the motor, the bearings must be relubricated. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... - Page 55 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). A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 56: Cleaning
Cleaning the greasing channels and used grease chambers ● When changing bearings remove the used grease. Used grease accumulates outside of the bearing in the used grease chamber of the outer bearing cover or end plate. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 57: Inspection
When inspecting a motor, it is generally not necessary to dismantle it. The motor only has to be dismantled if the bearings are to be replaced. [ID: 365.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 58: Initial Inspection
– the smooth running characteristics and motor noise during operation have not deteriorated. ● When the motor has been shut down, check that: – the motor foundation has no indentations or cracks. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 59: Corrective Maintenance
Only transport the motor in accordance with the transport guidelines. Death, serious injury, or material damage can be the result of improper transport. Whenever you have to transport the motor, follow the instructions provided in the section entitled "Transport, storage". [ID: 370.01] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 60: Dismantling
The rotor weights for the 1PH7 three-phase motor can be found in the following table: 1PH7 28. rotor Size Total weight (kg) Disassembling the three-phase motor To disassemble the motor, disconnect the connecting cables from the terminals and the entry plate from the terminal box housing. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... - Page 61 Whenever you work on the locating bearing when the three-phase motor is in its vertical position, support/unload the rotor. Sealing the bearings The outer bearing seal comprises a rotary shaft seal. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 62: Figure 7-2 Disassembling The Rotary Shaft Seal
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 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 63: Figure 7-4 Disassembling The Speed Sensor: Forcing Off, 1St Option
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. Figure 7-5 Disassembling the speed sensor: forcing off, 2nd option A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 64: Re-Assembly
Coat the bare joints between parts with a non-hardening sealant (e.g. MARSTON HYLOMAR SQM32M). Note MARSTON HYLOMAR SQM32M sealant can be ordered from W. Kopp, Schlesierstrasse 9, 97268 Kirchheim, Germany, or directly from Marston Bentley Domsel GmbH, Bergheimer Str. 15, 53909 Zülpich, Germany. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 65: Figure 7-6 Sealing Gap Between Enclosure And End Shields
● Before you screw on the end shields, seal the gap ② with MARSTON HYLOMAR SQ32M sealant. NOTICE Check the sealing elements fitted (e.g. at the terminal boxes) and replace them if they do not provide an adequate seal. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 66: Figure 7-7 Installing The Rotary Shaft Seal
Sealing the bearings The outer bearing seal comprises a rotary shaft seal. When installing the bearings, make sure that the seat of the shaft is not greased. Figure 7-7 Installing the rotary shaft seal A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... -
Page 67: Screw-Type Connections
(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. A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 68 Only operate the sensor module on the original motor. Do not install the sensor module on other motors. Do not replace the sensor module with a sensor module from a different motor. [ID 967.01] See also Siemens Service Center (Page 15) A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
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Page 69: Spare Parts
Using commercially available spare parts Commercially available, standard components can be used, but ensure that they have the same construction type, dimensions, strength class etc. [ID: 380.02] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... -
Page 70: Spare Parts 1Ph7
Spare parts 8.2 Spare parts 1PH7 Spare parts 1PH7 Spare parts Figure 8-1 Spare parts 1PH7 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728... - Page 71 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] A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 73: Notes
Notes ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 74 Notes ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728...
- Page 75 Notes ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ ________________________________________________________________________________ A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware...
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Page 77: Index
Used grease chamber, 56 External fan Maintenance, 53 Initial inspection, 53, 58 Inspection interval, 58 Insulation resistance, 41 Main inspection, 53 Maintenance intervals, 53 Preservation, 25 Rating plate, 16 Regreasing, 53 A5E00177602A AD Siemens AG Operating Instructions 2.02 1PH728 Siemens Hardware... - Page 79 Siemens Hardware...
- Page 81 AB U161 Konformitätserklärung AB U151 Herstellererklärung Siemens Hardware...