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1FW68 radial segment motors Introduction Fundamental safety instructions SIMOTICS Description of the motor Mechanical properties Drive technology 1FW68 radial segment motors Motor components and options Configuring Configuration Manual Technical data and characteristics Preparation for use Electrical connection Assembly drawings/ dimension sheets Appendix 08/2021 A5E51132930B AA...
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Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
This documentation only describes the functionality of a reference motor. The range of component combinations of segment motors is too extensive to take into account all of the detailed information in this documentation. When requested, the local Siemens office can provide machine builders detailed information about customized segment motors.
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• Additional links to download documents • Using documentation online (find and search in manuals / information) More information (https://support.industry.siemens.com/cs/de/en/view/108998034) If you have any questions regarding the technical documentation (e.g. suggestions, corrections), please send an e-mail to the following address E-mail (mailto:docu.motioncontrol@siemens.com).
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Later, you can log on with your login data. You can create your own personal library under "mySupport" using the following procedure. Precondition You have registered for and logged on to "Siemens Industry Online Support", hereinafter referred to as "SIOS". SIOS (https://support.industry.siemens.com/cs/de/en/) Procedure for creating a personal library 1.
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Introduction Training The following link provides information on SITRAIN - training from Siemens for products, systems and automation engineering solutions: SITRAIN (http://siemens.com/sitrain) Technical Support If you have any technical questions, contact Technical Support (https://support.industry.siemens.com/cs/de/en/). To make a support request, proceed as follows: Precondition You have registered for and logged on to "Siemens Industry Online Support", abbreviated...
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– Cooling system – Brake – Line filter – Active Interface Module Commissioning / • Siemens commissioning training courses (SITRAIN courses) operating • Commissioning support provided by Siemens • Operating instructions, motors • Configuration Manual Motors • STARTER commissioning tool •...
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Siemens does not control the information on these websites and is not responsible for the content and information provided there. The user bears the risk for their use.
Table of contents Introduction ..............................3 Fundamental safety instructions ......................13 General safety instructions ......................13 Equipment damage due to electric fields or electrostatic discharge ........18 Security information ........................19 Residual risks of power drive systems ..................20 Description of the motor ......................... 23 Highlights and benefits ........................
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Table of contents Service and inspection intervals ....................58 3.5.1 Safety instructions for maintenance ..................... 58 3.5.2 Checking the insulation resistance ....................63 3.5.3 Maintenance ............................64 Motor components and options ......................67 Motor components ........................... 67 4.1.1 Overview of the motor design ......................67 4.1.2 Temperature monitoring and thermal motor protection ............
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Table of contents Preparation for use ..........................139 Transporting ............................ 140 7.1.1 Ambient conditions for transportation ..................140 7.1.2 Packaging specifications for air transportation ............... 141 7.1.3 Lifting stator segments ......................... 142 Storage ............................. 142 7.2.1 Ambient conditions for long-term storage ................142 7.2.2 Storage in rooms and protection against humidity ..............
Fundamental safety instructions General safety instructions WARNING Electric shock and danger to life due to other energy sources Touching live components can result in death or severe injury. • Only work on electrical devices when you are qualified for this job. •...
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Fundamental safety instructions 1.1 General safety instructions WARNING Electric shock due to damaged motors or devices Improper handling of motors or devices can damage them. Hazardous voltages can be present at the enclosure or at exposed components on damaged motors or devices. •...
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• Therefore, if you move closer than 20 cm to the components, be sure to switch off radio devices or mobile telephones. • Use the "SIEMENS Industry Online Support app" only on equipment that has already been switched off. WARNING Unrecognized dangers due to missing or illegible warning labels Dangers might not be recognized if warning labels are missing or illegible.
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Fundamental safety instructions 1.1 General safety instructions WARNING Unexpected movement of machines caused by inactive safety functions Inactive or non-adapted safety functions can trigger unexpected machine movements that may result in serious injury or death. • Observe the information in the appropriate product documentation before commissioning.
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Fundamental safety instructions 1.1 General safety instructions WARNING Active implant malfunctions due to permanent-magnet fields Even when switched off, electric motors with permanent magnets represent a potential risk for persons with heart pacemakers or implants if they are close to converters/motors.
Fundamental safety instructions 1.2 Equipment damage due to electric fields or electrostatic discharge CAUTION Burn injuries caused by hot surfaces In operation, the motor can reach high temperatures, which can cause burns if touched. • Mount the motor so that it is not accessible in operation. Measures when maintenance is required: •...
(https://www.siemens.com/industrialsecurity). Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s...
Fundamental safety instructions 1.4 Residual risks of power drive systems Residual risks of power drive systems When assessing the machine- or system-related risk in accordance with the respective local regulations (e.g., EC Machinery Directive), the machine manufacturer or system installer must take into account the following residual risks emanating from the control and drive components of a drive system: 1.
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Fundamental safety instructions 1.4 Residual risks of power drive systems For more information about the residual risks of the drive system components, see the relevant sections in the technical user documentation. 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Fundamental safety instructions 1.4 Residual risks of power drive systems 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Description of the motor Overview of the 1FW6 built-in torque motor product family For each of the built-in torque motors described in the following tables, there are separate Operating Instructions and a separate Configuration Manual. Motor 1FW6 Standard 1FW6 High Speed built-in torque motors built-in torque motors Article No.
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Description of the motor Motor Built-in torque motors Segment motors 1FW6 naturally cooled 1FW68 radial Article No. 1FW6xx3-xxxxx-xxxx 1FW68xx-xxxxx-xxxx Photo Features High torque for positioning tasks with longer For applications with very high torque pauses or for continuous running duty with lower requirements or if large diameters (>...
Description of the motor 2.1 Highlights and benefits Highlights and benefits 2.1.1 Overview Segment motors are permanent magnet, modular synchronous motors. Segment motors are supplied as components (stator segments and rotor segments) and installed directly in the machine. A cooler integrated in the stator segment results in an essentially thermally neutral behavior of the segment motor with respect to the machine itself.
To ensure that the motor and the encoder are optimally integrated into the mechanical structure, Siemens offers its Application & Mechatronic Support Direct Motors service, see Catalog. For additional information, please contact your Siemens contact person, also refer to the Internet link in the Introduction under "Technical Support".
Where relevant, take into account deviations regarding approvals or country-specific regulations. • Contact your local Siemens office if you have any questions relating to correct use. • If you wish to use special versions and design versions whose technical details vary from the motors described in this document, then you must contact your local Siemens office.
Description of the motor 2.3 Technical features and ambient conditions WARNING Injury and material damage by not observing machinery directive 2006/42/EC There is a risk of death, serious injury and/or material damage if machinery directive 2006/42/EC is not carefully observed. •...
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Description of the motor 2.3 Technical features and ambient conditions Relevant directives The following directives are relevant for SIMOTICS motors. European Low-Voltage Directive SIMOTICS motors comply with the Low-Voltage Directive 2014/35/EU. European Machinery Directive SIMOTICS motors do not fall within the scope covered by the Machinery Directive. However, the use of the products in a typical machine application has been fully assessed for compliance with the main regulations in this directive concerning health and safety.
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UL or cUL mark on the rating plate! Quality systems Siemens AG employs a quality management system that meets the requirements of ISO 9001 and ISO 14001. Certificates for SIMOTICS motors can be downloaded from the Internet at the following...
Description of the motor 2.3 Technical features and ambient conditions 2.3.2 Danger from strong magnetic fields Occurrence of magnetic fields Motor components with permanent magnets generate very strong magnetic fields. In the no-current condition, the magnetic field strength of the motors comes exclusively from the magnetic fields of components equipped with permanent magnets.
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Description of the motor 2.3 Technical features and ambient conditions Risk to persons as a result of strong magnetic fields WARNING Risk of death as a result of permanent magnet fields Even when the motor is switched off, the permanent magnets can put people with active medical implants at risk if they are close to the motor.
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Description of the motor 2.3 Technical features and ambient conditions WARNING Risk of rotor segment magnets causing crushing injuries The forces of attraction of magnetic rotor segments act on materials that can be magnetized. The forces of attraction increase significantly close to the rotor segments. The tripping threshold of 3 mT for risk of injury due to an attraction and projectile effect is reached at a distance of 300 mm (Directive 2013/35/EU).
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Description of the motor 2.3 Technical features and ambient conditions First aid in the case of accidents involving permanent magnets • Stay calm. • If the machine is energized, press the emergency stop switch and open the main switch if necessary. •...
Description of the motor 2.3 Technical features and ambient conditions 2.3.3 Technical features Note The values specified in the following table only apply in conjunction with the system prerequisites described in "System integration". Table 2- 1 Design of radial 1FW68 segment motors Technical feature Version Motor type...
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Description of the motor 2.3 Technical features and ambient conditions Technical feature Version Magnet material Rare earth material Connection, electrical Cable outlet: • Up to 66 A tangential • Higher than 66 A, power connection can be rotated, signal connection tangential Connection type: current demand up to 66 A: •...
Description of the motor 2.3 Technical features and ambient conditions 2.3.4 Defining the direction of rotation Direction of rotation If the stator segments of the segment motor are connected with a U-V-W phase sequence and a three-phase system with clockwise rotating field is connected, then the segment motor rotor rotates clockwise.
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Description of the motor 2.3 Technical features and ambient conditions Table 2- 2 Ambient conditions are based on climate class 3K3 Ambient parameter Unit Value Low air temperature °C High air temperature + 40 °C Low relative humidity High relative humidity Low absolute humidity High absolute humidity Rate of temperature change...
Description of the motor 2.3 Technical features and ambient conditions 2.3.6 Scope of delivery 2.3.6.1 Segment motors Segment motors are only available in the form of individual components: • Stator segments • Rotor segments • Connecting cables T-sliding blocks to fix rotor and stator segments are not available. 2.3.6.2 Supplied pictograms To warn of hazards, the following durable adhesive stickers are supplied:...
When placing an order, it is sufficient just to specify the unique Article number. As the range of combinations is extremely large, only selected version features are shown. Your local Siemens office will support you when determining the appropriate article numbers for the motor components that you require.
Description of the motor 2.5 Selection and ordering data 2.5.1.1 Stator segment 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Overview of important motor data A selection of important motor data and dimensions is provided in this chapter. Please contact your local Siemens office to obtain the complete data for your particular motor. 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Description of the motor 2.5 Selection and ordering data The following table provides an overview of the torques and speeds that can be achieved with 1FW68 segment motors. The stated torques and maximum torques refer to each individual stator segment. Note Dependency of the torques on the number of stator segments Torque of entire segment motor = number of stator segments x torque of each stator...
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Description of the motor 2.5 Selection and ordering data Article No. Number of Air gap Magneti- Outer Inner Torque for Maximum Maximum Stator segment stator diameter cally stator rotor speed torque speed segments active diameter diameter n = 1 r/min in mm length in mm...
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Description of the motor 2.5 Selection and ordering data Article No. Number of Air gap Magneti- Outer Inner Torque for Maximum Maximum Stator segment stator diameter cally stator rotor speed torque speed segments active diameter diameter n = 1 r/min in mm length in mm...
Description of the motor 2.6 Rating plate data Article No. Number of Air gap Magneti- Outer Inner Torque for Maximum Maximum Stator segment stator diameter cally stator rotor speed torque speed segments active diameter diameter n = 1 r/min in mm length in mm in mm...
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Description of the motor 2.6 Rating plate data Figure 2-6 Example of a rating plate for stator segments Table 2- 7 Elements on the rating plate for stator segments Item Description Motor type Article No. Serial number Rated current I Rated speed n Maximum speed n Temperature class...
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Description of the motor 2.6 Rating plate data Figure 2-7 Example of a rating plate for rotor segments Table 2- 8 Elements on the rating plate for rotor segments Item Description Article No. Serial number 2D code Approvals/conformities Weight Version release Z option 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
The data sheets and characteristics in Chapter "Technical data and characteristics" refer only to the reference motor described in this documentation. You can obtain data sheets for other segment motors from your local Siemens office. In certain operating states, you must expect an additional temperature rise of the rotor segment as a result of iron losses, e.g.
Mechanical properties 3.1 Cooling Note Thermal expansion of the motor Temperature changes in the stator and rotor can cause motor components to expand. • You must take into account the amount of heat transferred into the machine structure as well as the radial and axial thermal expansion of the motor when designing the machine.
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Mechanical properties 3.1 Cooling Note Connecting cooling circuits in parallel If you connect the cooling circuits of the stator segments in series, the cooling circuits will contain coolant at different temperatures. • Connect the stator segment cooling circuits in parallel. This ensures that each stator segment is filled with coolant having the same intake temperature.
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Mechanical properties 3.1 Cooling Materials used in the cooling circuits of stator segments The stator segment cooling circuits contain the following materials (without the connecting component materials): • 1.4301/1.4305 /1.4310 • FKM 70 • CW024A according to EN 1057 • 70G30HSLR BK 099 NOTICE Corrosion as a result of unsuitable materials used to connect the cooler Corrosion damage can occur if you use unsuitable materials to connect to the cooler.
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Mechanical properties 3.1 Cooling The rated motor data refer to operation at a coolant intake temperature of 35 °C. If the intake temperature is different, the continuous motor current changes as shown below. Note For a cooler intake temperature of < 35 °C, the possible continuous motor current is greater than I is the current (rms value) of the stator segment for torque M and speed n = 1 r/min.
Power derating when using oil as coolant If you are using oil as coolant, then this can reduce the power loss dissipated by the cooler. Appropriately reduce the motor power. Please contact your local Siemens office if you have any questions.
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Mechanical properties 3.1 Cooling Reason for the use of water with an anti-corrosion agent The use of untreated water may lead to considerable damage and malfunctions due to water hardness deposits, the formation of algae and slime, as well as corrosion, for example: •...
Mechanical properties 3.2 Degree of protection Suitable mixture • 25% - 30% ethylene glycol (= ethanediol) • The water used contains a maximum of 2 g/l dissolved mineral salt and is largely free from nitrates and phosphates Manufacturer recommendations: see appendix Degree of protection NOTICE Damage to the motor caused by pollution...
Mechanical properties 3.3 Vibration response Vibration response The vibration response of build-in motors in operation essentially depends on the machine design and the application itself. As a result of an unfavorable machine design, configuration or system settings, resonance points can be excited, so that vibration severity level A according to EN 6003414 is not reached.
Mechanical properties 3.5 Service and inspection intervals Service and inspection intervals 3.5.1 Safety instructions for maintenance WARNING Risk of injury as a result of undesirable rotary motion If, with the motor switched on, you work in the rotational range of the motor, and the motor undesirably rotates, this can result in death, injury and/or material damage.
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Mechanical properties 3.5 Service and inspection intervals WARNING Risk of rotor segment magnets causing crushing injuries The forces of attraction of magnetic rotor segments act on materials that can be magnetized. The forces of attraction increase significantly close to the rotor segments. The tripping threshold of 3 mT for risk of injury due to an attraction and projectile effect is reached at a distance of 300 mm (Directive 2013/35/EU).
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Mechanical properties 3.5 Service and inspection intervals WARNING Risk of electric shock due to incorrect connection There is a risk of electric shock if direct drives are incorrectly connected. This can result in death, serious injury, or material damage. • Motors must always be precisely connected up as described in these instructions. •...
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Mechanical properties 3.5 Service and inspection intervals WARNING Risk of electric shock Voltage is induced at the power connections of the stator segment each time a rotor segment moves with respect to a stator segment - and vice versa. When the motor is switched on, the stator segment power connections are also live (at a specific voltage).
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Siemens regarding personal injury or material damage. Siemens service centers are available to answer any questions you may have. Siemens Service Center addresses can be found at http://www.siemens.com/automation/service&support...
• If a DC voltage > 1000 V or an AC voltage is necessary to test the machine/system, coordinate this test with your local Siemens office. • Carefully observe the operating instructions of the test device. Procedure 1.
Mechanical properties 3.5 Service and inspection intervals WARNING Risk of death due to electric shock! During and immediately after the measurement, in some instances, the terminals are at hazardous voltage levels, which can result in death if touched. • Never touch the terminals during or immediately after measurement. 3.5.3 Maintenance Carrying out maintenance work at the machine...
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Mechanical properties 3.5 Service and inspection intervals Intervals between maintenance Since operating conditions differ greatly, it is not possible to specify intervals between maintenance work. Indications that maintenance work is necessary • Unusual sounds emitted by the machine • Problems with positioning accuracy •...
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Mechanical properties 3.5 Service and inspection intervals 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Motor components and options Motor components 4.1.1 Overview of the motor design Segment motors comprise the following components: Stator segment • Basic components of a segment motor – With 3-phase winding – With integrated cooler to dissipate the power loss •...
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Motor components and options 4.1 Motor components ① Electrical connection (power connection, connection of the temperature sensors and protective conductor connection PE) ② Cooler connection (water intake) ③ Cooler connection (water outlet) ④ T-sliding block according to DIN 508 (not included in the scope of delivery) ⑤...
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Motor components and options 4.1 Motor components ① Electrical connection (power connection) ② Electrical connection (connection of the temperature sensors) ③ Cooler connection (water intake) ④ Cooler connection (water outlet) ⑤ T-sliding block according to DIN 508 (not included in the scope of delivery) ⑥...
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Motor components and options 4.1 Motor components Rotor segments • Comprise laminated support assemblies equipped with permanent magnets • Side by side, these form the reactive part of the motor The following figure shows 6 rotor segments side by side, each with one north pole and one south pole.
Motor components and options 4.1 Motor components 4.1.2 Temperature monitoring and thermal motor protection 4.1.2.1 Temperature monitoring circuits Temp-S and Temp-F The stator segments are equipped with two subsequently described temperature monitoring circuits - Temp-S and Temp-F. • Temp-S activates the thermal motor protection when the motor windings are thermally overloaded.
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Motor components and options 4.1 Motor components Note Shutdown time If Temp-S responds, and its response threshold is not undershot again in the meantime, then the drive system must shut down (de-energize) the motor within 5 seconds. This prevents the motor windings from becoming inadmissibly hot. NOTICE Motor destroyed as a result of overtemperature The motor can be destroyed if the motor winding overheats.
Motor components and options 4.1 Motor components No direct connection of the temperature monitoring circuits WARNING Risk of electric shock when incorrectly connecting the temperature monitoring circuit In the case of a fault, circuits Temp-S and Temp-F do not provide safe electrical separation with respect to the power components.
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Motor components and options 4.1 Motor components Table 4- 1 Technical data of the PTC triplet Name Description Type PTC triplet acc. to DIN 44082 Response threshold 130 °C ± 5 K (nominal response temperature ϑ PTC resistance R (20 °C) at the PTC triplet See characteristic if -20 °C <...
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Motor components and options 4.1 Motor components Technical features of the Pt1000 temperature sensor The Pt1000 has a linear temperature resistance characteristic. In addition, the Pt1000 has a low thermal capacity and provides good thermal contact with the motor winding. Table 4- 2 Technical data of the Pt1000 PTC thermistor Name...
Encoders Note Siemens provides the Application & Mechatronic Support Direct Motors service Contact your local Siemens office if you require mechatronic support with the following: • Mechanical design of the machine • Closed-loop control technology to be used • Resolution and measuring accuracy of the encoder •...
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• Extremely stiff dynamic machine design to avoid the excitation of low-frequency mechanical oscillation Figure 4-5 Performance-resolution diagram Note Siemens does not accept any warranty for the properties/features of third-party products. 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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To ensure that the encoder is optimally integrated into the mechanical structure, Siemens offers its Application & Mechatronic Support Direct Motors service. For additional information, contact your local Siemens office. You can find the "Technical Support" Internet link in Chapter "Introduction".
Motor components and options 4.1 Motor components 4.1.4 Bearings Selecting the bearing Segment motors are built-in motors for directly driven rotary or swivel axes. To set up a complete drive unit, a bearing between the stator and rotor is required in addition to the phase-angle encoder system.
Contact the Application & Mechatronic Support Direct Motors group of Siemens to obtain in-depth advice to obtain a customized, best possible solution for braking your drive system.
Motor components and options 4.2 Options Options Connecting cables for stator segments up to 66 A Table 4- 3 Combination cables for stator segments up to 66 A Article No. Number of conductors x cross-section in mm Connector size 6FX7002-5EA31-…. (4 x 2.5) + (4 x 0.5) 6FX7002-5EA41-….
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Motor components and options 4.2 Options 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Configuring workflow Note Siemens provides the Application & Mechatronic Support Direct Motors service Contact your local Siemens office if you require mechatronic support with the following: • Mechanical design of the machine • Closed-loop control technology to be used • Resolution and measuring accuracy of the encoder •...
Configuring 5.1 Configuring workflow 5.1.2 General mechanical conditions Moment of inertia The kinetic energy of a rotating body is directly proportional to its moment of inertia J in . The moment of inertia takes into account the rotating mass and its spatial distribution across the entire volume of the body with respect to the rotary axis.
Configuring 5.1 Configuring workflow Frictional torque The frictional torque M acts in the opposite direction to the direction of rotation of the moved part of the motor. It can be approximately calculated from a constant "stiction component"M and a "sliding friction component" M .
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Configuring 5.1 Configuring workflow Short-time duty S2 For short-time duty S2 the load duration is so short that the final thermal state is not reached. The subsequent zero-current break is so long that the motor practically cools down completely. NOTICE Motor overload An excessively high load can lead to shutdown, or if the temperature sensors are not correctly evaluated, then the motor could be destroyed.
Configuring 5.1 Configuring workflow Example Figure 5-2 Example of a duty cycle with a speed-time diagram n(t), the resulting angular acceleration-time diagram α(t), and a machining torque-time diagram M 5.1.4 Torque-time diagram Required motor torque The required motor torque M is always the sum of the individual torques.
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Configuring 5.1 Configuring workflow Determining the required motor torque The frictional torque characteristic can be determined on the basis of the speed characteristic. The total formula can then be used to create the motor torque-time diagram (see diagram below) from which the required peak torque M can be read mMAX directly.
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Configuring 5.1 Configuring workflow Note Depending on the application, e.g. for a horizontal axis, when determining the required torque, the gravitational torque M must also be taken into account. The gravitational torque reaches its highest level for = m • g • r m: moved mass g: acceleration due to gravity r: radius of the circular path...
The rotor track comprises individual rotor segments. The dimensions of the various rotor segments are specified in the data for the reference motor. You can contact your local Siemens office for additional rotor segment dimensions. The number of rotor segments required depends on •...
70% of its rated torque, see also M * in Chapter "Technical data and characteristics". For precise dimensioning, please contact your local Siemens office. Note Not all of the three phases are necessarily evenly loaded in all motor operating modes.
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Configuring 5.1 Configuring workflow Determining the motor torque-speed diagram If the motor torque-speed diagram is not available, then determine the motor torque- speed diagram from the following data taken from the "Motor torque speed diagram" figure. • Maximum torque M with the associated speed n MAX,MMAX •...
Configuring 5.1 Configuring workflow 5.1.9 Torque-speed requirements Fulfilling the torque-speed requirements If the selected torque motor cannot fulfill the torque-speed requirements, the following options are available: • Larger motor If an operating point in the range A is required, a motor with a larger diameter and/or longer length is required (see motor 2 in the following diagram).
Configuring 5.1 Configuring workflow • Field weakening operation If an operating point in range C is required, then the motor must be operated in the field weakening range (see the following diagram). Advantage: Significantly higher speeds are possible. Disadvantage: The torques available are very low. A lower current is required, refer to the description for field weakening operation in Chapter "Technical data and characteristics"...
• To dampen the oscillations we recommend using the associated Active Interface Module. For specific details, refer to the documentation for the drive system being used or contact your local Siemens office. Note The corresponding Active Interface Module must be used when operated with an Active Line Module controlled infeed unit.
Configuring 5.2 Mounting 5.1.12 Calculation of the required infeed Dimensioning the Active Line Module Use the drive's power balance to dimension the Active Line Module. The first important quantity to know is the mechanical power P to be produced on the mech motor shaft.
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Configuring 5.2 Mounting WARNING Risk of rotor segment magnets causing crushing injuries The forces of attraction of magnetic rotor segments act on materials that can be magnetized. The forces of attraction increase significantly close to the rotor segments. The tripping threshold of 3 mT for risk of injury due to an attraction and projectile effect is reached at a distance of 300 mm (Directive 2013/35/EU).
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Configuring 5.2 Mounting WARNING Risk of electric shock Voltage is induced at the power connections of the stator segment each time a rotor segment moves with respect to a stator segment - and vice versa. When the motor is switched on, the stator segment power connections are also live (at a specific voltage).
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Configuring 5.2 Mounting WARNING Electric shock as a result of defective connecting cables Using defective connecting cables can result in an electric shock. Further, material damage can occur, e.g. as a result of fire. • When installing the motor, make sure that the connecting cables –...
Configuring 5.2 Mounting 5.2.2 Forces exerted between the stator and rotor Radial and axial forces The following diagram shows as an example the effect of the radial and axial forces when assembling a stator and rotor. Radial and axial forces act between the stator segments and rotor segments.
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Configuring 5.2 Mounting Radial forces between a stator segment and rotor The force of attraction F (radial force) between a stator segment and the rotor depends on the air gap. The variable F listed in the data sheets refers to the nominal air gap. The following diagram shows the relative dependency of the force of attraction F as a function of the air gap.
Configuring 5.2 Mounting Axial force between a stator segment and a rotor segment The maximum axial force of attraction occurs if the stator segment and the rotor segment overlap to some extent. The maximum axial force of attraction on a stator segment when assembling stator and rotor with a rated air gap is approximately 1000 N.
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Configuring 5.2 Mounting • The mounting slots in the stator segment and rotor segment are dimensioned according to DIN 508 as listed in the following table. The T-sliding block length depends on the mounting situation. The T-sliding blocks must be at least as long as the magnetically active length of the relevant rotor or stator segment.
Note Mounting description The following mounting description refers to a reference motor described in this document. If you wish to mount segment motors differently, contact your local Siemens office for support. 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Configuring 5.2 Mounting WARNING Risk of electric shock Voltage is induced at the power connections of the stator segment each time a rotor segment moves with respect to a stator segment - and vice versa. There is a risk of electric shock if you touch the power connections.
Configuring 5.2 Mounting 5.2.4.1 Requirements for mounting the rotor segments Mounting surface for rotor segments We recommend using an assembly surface with a mechanical stop as shown in the diagram below to assemble the rotor segments. If the mechanical stop is too low, then the rotor segment can be inadvertently pushed over it.
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Configuring 5.2 Mounting Tools for aligning the last rotor segment Lever For aligning the last rotor segment, you require a lever with the following properties: • square or round material made of metal, wood, or plastic • Lever width x lever height: max. 30 mm x 17 mm or lever diameter: max.17 mm •...
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Configuring 5.2 Mounting Axial tolerances of the segments The axial tolerance between stator segment and rotor segment is +/- 1.5 mm. Figure 5-15 Axial tolerance between a stator segment and a rotor segment 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Configuring 5.2 Mounting 5.2.4.2 Mounting rotor segments WARNING Danger of severe crushing injuries (step 6) When highly magnetic rotor segments are slid into the T-sliding blocks, they are initially drawn toward the mechanical stop. This movement of the rotor segment occurs without externally applied force, and can be as much as about 1/3 of the length of the rotor segment.
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Configuring 5.2 Mounting Procedure 1. Mount the T-sliding blocks. Do not fully tighten the fixing screws. Screw the screws in only so far that the rotor segments can still be pushed together. We recommend a clearance of between 0.5 mm and a maximum of 1 mm between a T-sliding block and the inner surface of the fixing profile of the rotor segment.
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Configuring 5.2 Mounting 3. Define the fitting direction. In this description, the segments are fitted from left to right (blue arrow). 4. Push the first rotor segment to the left (red arrow) against the T-sliding block as far as it will go. The screws of the left T-sliding blocks are then pressed toward the wall of the hole.
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Configuring 5.2 Mounting 5. Tighten the fixing screws on the left-hand T-sliding block. However, leave the fixing screws on the right-hand T-sliding block loose. Note Tighten the fixing screws of the T-sliding blocks. Always push the rotor segments in the opposite direction to the chosen fitting direction as far as they will go against the T-sliding block before you tighten the screws of this T-sliding block.
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Configuring 5.2 Mounting 10. Mount the last rotor segment as follows: • The left-hand T-sliding block holding the last rotor segment is also the right-hand T-sliding block holding the rotor segment that was mounted second to last. The fixing screws on the left-hand T-sliding block for the last rotor segment are therefore already loose.
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Configuring 5.2 Mounting • Ensure gaps of equal size between the last rotor segment and the adjacent rotor segments. To achieve this, correct the position of the last rotor segment as follows: – Tighten the screws of the two T-sliding blocks so that the rotor segment can still be moved, but no excessive radial play is still present.
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Configuring 5.2 Mounting – Push the sheet steel strips into the gap that has arisen between the first and the last rotor segments at the position of the N and S marking. You must push the sheet steel strip 5 to 10 mm into the gap. The sheet steel strip must have the properties stated in Section "Sheet steel strip"...
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Configuring 5.2 Mounting – Press the lever in the opposite direction so that the sheet steel strip is clamped in. The pivot for the lever is now located on the sheet steel strip. Turn the rear end of the rotor segment as far as possible toward the penultimate rotor segment. First rotor segment Mechanical stop Slightly tightened...
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Configuring 5.2 Mounting – Tighten the rear screw of the T-sliding block between the penultimate and the last rotor segments so that the rear end of the rotor segment is fixed in its position. First rotor segment Mechanical stop Slightly tightened screw n - 1 Penultimate rotor Sheet steel strip...
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Configuring 5.2 Mounting – Finally press the lever toward the penultimate rotor segment again and tighten all screws of the left T-sliding block. First rotor segment Mechanical stop Slightly tightened screw n - 1 Penultimate rotor Sheet steel strip Firmly tightened screw segment Last rotor segment Lever...
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Configuring 5.2 Mounting – Remove the sheet steel strip and the lever and tighten the screws of the right T-sliding block. First rotor segment Mechanical stop Slightly tightened screw n - 1 Penultimate rotor Sheet steel strip Firmly tightened screw segment Last rotor segment Lever...
Configuring 5.2 Mounting 5.2.4.3 Mounting stator segments WARNING Danger of severe crushing injuries (step 2) As soon as the stator segment enters the magnetic field of the rotor segments, the stator segment is very suddenly and quickly drawn towards the rear. There is significant risk of crushing injury •...
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Configuring 5.2 Mounting 2. Using the appropriate mounting equipment, slide the stator segment onto the T-sliding blocks. Protect the rotor segments against damage using a spacer foil 1 mm thick. 3. Tighten the screws of the two center T-sliding blocks. 4.
Configuring 5.2 Mounting 5. Tighten the screws of the two outer T-sliding blocks. 6. Proceed in a similar way for all of the other stator segments to be mounted. ❒ 5.2.5 Checking the work carried out Checking the mounting work Before moving the rotor, remove all tools and objects from the swivel range and air gap.
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Configuring 5.2 Mounting • The mounted rotary axis must always be able to move without hindrance. Examples of axes that cannot necessarily be checked by hand: – Large axes with a high friction torque – Blocking in a current-free state –...
Configuring 5.2 Mounting 5.2.6 Mounting example Example of a mounted radial segment motor A mounted radial segment motor with a current demand higher than 66 A is shown below. ① Machine structure ② Carrier wheel for the rotor segments ③ Shaft ④...
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Configuring 5.2 Mounting ① Machine structure ② Carrier wheel for the rotor segments ④ Rotor segment ⑤ Stator segment ⑥ Cooler connection (water outlet) ⑦ Temperature sensor connection ⑧ Power connection using individual conductors ⑨ Cooler connection (water intake) ⑩ T-sliding block for mounting stator segments ⑪...
Technical data and characteristics This chapter includes technical data and characteristics for a reference motor as example only. When requested, your local Siemens office can provide you with individual data sheets and characteristics for specific segment motors. Note System-specific data refer to the combination of segment motors with SINAMICS S120 drive systems.
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Technical data and characteristics 6.1 Explanations Boundary conditions Converter DC link voltage (direct voltage value). Comment: U is the maximum permissible converter output voltage. a max Maximum water intake temperature of the cooler if the stator segment is to VORL be utilized up to its rated torque M .
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Technical data and characteristics 6.1 Explanations Maximum speed (maximum permissible operating speed) Maximum speed at which the stator segment can supply the maximum MAX,MMAX torque M Maximum speed at which a Voltage Protection Module VPM is not required. MAX,INV No-load speed; max. speed without load. MAX,0 Torque for speed n = 1 r/min at which the load and power loss are still evenly distributed across all stator segment phases.
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Technical data and characteristics 6.1 Explanations Figure 6-1 Thermal time constant Pole pair number of the stator segment Cogging torque. This is the torque generated by the interaction between the laminated core and permanent magnets at the air gap in stator segments that are in a no-current condition.
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Technical data and characteristics 6.1 Explanations Cooler data Maximum thermal power that is dissipated by the cooler when the stator segment is utilized up to the rated torque M and at rated temperature T Recommended minimum volume flow rate in the cooler to achieve the rated torque M ΔT The temperature increase of the cooling medium between the intake and return...
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Technical data and characteristics 6.1 Explanations Torque-speed diagram with field weakening S1 duty S1 duty with field weakening Voltage limit characteristic Limit characteristic for S1 duty Voltage limit characteristic with field weakening Rated operating point at M Operating point at M MAX,MMAX Torque M at speed n = 1 r/min...
Technical data and characteristics 6.2 Data sheets and characteristics Note Above a certain speed, a VPM Voltage Protection Module is required; refer to the Chapter "Data sheets and characteristics" regarding this topic. Please note that as the speed increases, the rotor power loss also increases. This means that additional measures must be taken to dissipate the rotor power loss.
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Technical data and characteristics 6.2 Data sheets and characteristics Data sheet 1FW68 reference motor Table 6- 2 1FW68 reference motor Technical data Symbol Unit Value 1FW68 reference motor 1FW6809-1SN41-0BA1 G1A Boundary conditions DC link voltage Water cooling intake temperature °C VORL Rated temperature of winding °C...
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Technical data and characteristics 6.2 Data sheets and characteristics Technical data Symbol Unit Value 1FW68 reference motor 1FW6809-1SN41-0BA1 G1A Cooler data Maximum dissipated thermal power 1.58 Recommended minimum volume flow l/min Cooling medium temperature increase ΔT 4.54 Pressure drop Δp 0.294 Table 6- 3 Data depending on the number of stator segments...
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Technical data and characteristics 6.2 Data sheets and characteristics Characteristics for 1FW6809-1SN41-0BA1 G1A Torque M with respect to speed n Short-circuit braking torque M with respect to speed n 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Technical data and characteristics 6.2 Data sheets and characteristics Cooler - pressure losses Δ p with respect to the volume flow 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Technical data and characteristics 6.2 Data sheets and characteristics 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Preparation for use WARNING Risk of death and crushing as a result of permanent magnet fields Severe injury and material damage can result if you do not carefully take into consideration the safety instructions relating to permanent magnet fields of rotor segments.
Preparation for use 7.1 Transporting Note Original packaging Keep the packaging of components with permanent magnets where possible! When reusing the original packaging do not cover safety instructions that are possibly attached. When required, use transparent adhesive tape for the packaging. Transporting Note UN number for permanent magnets...
Preparation for use 7.1 Transporting Table 7- 2 Biological ambient conditions Transportation: Class 2B1 Table 7- 3 Chemical ambient conditions Transportation: Class 2C1 Table 7- 4 Mechanically active ambient conditions Transportation: Class 2S2 Table 7- 5 Mechanical ambient conditions Transportation: Class 2M2 7.1.2 Packaging specifications for air transportation...
Preparation for use 7.2 Storage 7.1.3 Lifting stator segments NOTICE Damage to the stator segment when incorrectly lifted Improper use of lifting equipment can damage stator segments. A stator segment has four tapped holes for lifting eyes to lift it. •...
Preparation for use 7.2 Storage Table 7- 7 Biological ambient conditions Long-term storage: Class 1B1 Table 7- 8 Chemical ambient conditions Long-term storage: Class 1C1 Table 7- 9 Mechanically active ambient conditions Long-term storage: Class 1S2 Table 7- 10 Mechanical ambient conditions Long-term storage: Class 1M2 7.2.2...
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Preparation for use 7.2 Storage Protection against humidity If a dry storage area is not available, then take the following precautions: • Wrap the motor in humidity-absorbent material. Then wrap it in foil so that it is air tight. • Include several bags of desiccant in the sealed packaging. Check the desiccant and replace it as required.
Electrical connection NOTICE Destruction of the motor if it is directly connected to the three-phase line supply The motor will be destroyed if it is directly connected to the three-phase line supply. • Only operate the motors with the appropriately configured converters. WARNING Risk of electric shock If you connect a voltage to the stator or to the stator segment as individual component,...
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Electrical connection WARNING Risk of electric shock Voltage is induced at the power connections of the stator segment each time a rotor segment moves with respect to a stator segment - and vice versa. When the motor is switched on, the stator segment power connections are also live (at a specific voltage).
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Electrical connection WARNING Electric shock caused by high leakage currents When touching conductive parts of the machine, high leakage currents can result in an electric shock. • For high leakage currents, observe the increased requirements placed on the protective conductor. The requirements are laid down in standards EN 61800-5-1 and EN 60204-1.
Electrical connection 8.1 Permissible line system types Permissible line system types Permissible line system types and voltages The following table shows the permissible TN line supply system voltages for the stator segments. Table 8- 1 Permissible line voltages of TN line supply systems, resulting DC link voltages and converter output voltages Permissible Resulting...
Electrical connection 8.3 System integration System integration 8.3.1 Drive system Components Segment motors are designed for operation with a SINAMICS S120 drive system. You can use Motor Modules in the "booksize" or "chassis" format. Table 8- 2 Components required Component Purpose Control Unit Closed-loop control...
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Electrical connection 8.3 System integration Note Cables for power connection The connecting cables required for the power connection depend on the current demand of the stator segment being used. Order designations for cables are provided in Chapter "Options (Page 81)". Note O-ring Remove the O-ring from the SPEED-CONNECT plug connector before connecting the...
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• To dampen the oscillations we recommend using the associated Active Interface Module. For specific details, refer to the documentation for the drive system being used or contact your local Siemens office. Note The corresponding Active Interface Module must be used when operated with an Active Line Module controlled infeed unit.
Electrical connection 8.3 System integration 8.3.2 TM120 Terminal Module The TM120 Terminal Module is a module for evaluating temperature signals. The temperature sensors in the motor do not have safe electrical separation in order to achieve better thermal contact to the motor winding. Terminal Module TM120 evaluates the temperature sensors with safe electrical separation.
Electrical connection 8.3 System integration 8.3.5 Minimum permissible bending radius of the cables Refer to the following table for the minimum permissible bending radii for combination cables that are either fixed or moved. Table 8- 4 Minimum permissible bending radii for combination cables for stator segments up to 66 A Article No.
Electrical connection 8.3 System integration 8.3.6 Current-carrying capacity of the cables To electrically connect stator segments with a current demand of up to 66 A, combination cables with a cross-section of up to 16 mm are used. The cables must have 4 conductors for the power and 4 conductors for the signals.
Electrical connection 8.3 System integration 8.3.8 Power connection Note Protective conductor PE There are four ways of connecting the protective conductor PE for stator segments with a current higher than 66 A. • Connect the protective conductor (PE) to one connection point. •...
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At the following link you can find information in the Internet on the topic of "Influence of high-frequency currents on thermal overload trips of circuit breakers (3RV, 3VU) and overload relays (3RU, 3UA)" and "Additional effects that can result in false trips". FAQ entry ID: 24153083 http://support.automation.siemens.com/WW/llisapi.dll?func=cslib.csinfo&objid=241530 83&nodeid0=20358027&caller=view&lang=de&extranet=standard&viewreg=WW&u=ND AwMDAxNwAA&siteID=cseus 1FW68 radial segment motors...
Electrical connection 8.3 System integration 8.3.9 Signal connection No direct connection of the temperature monitoring circuits WARNING Risk of electric shock when incorrectly connecting the temperature monitoring circuit In the case of a fault, circuits Temp-S and Temp-F do not provide safe electrical separation with respect to the power components.
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Electrical connection 8.3 System integration Example of a connection for the temperature monitoring circuits The connection for the temperature sensors of a segment motor with 9 stator segments is subsequently shown as an example. Stator segments 1 to 8 are subdivided into groups Gr1 to Gr4.
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Electrical connection 8.3 System integration Absolute encoder Incremental encoder DRIVE-CLiQ encoder ① ... ⑨ Stator segments Figure 8-4 Connecting PTC and Pt1000 temperature sensors - example 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Electrical connection 8.3 System integration Pin assignment plug connector of the signal cable for stator segment 1FW68 higher than 66 A Interface -1R2: Pt1000 +1R1: Pt1000 1TP1: PTC 1TP2: PTC Release of the signal cable for stator segments with single conductor cables NOTICE Damage to a stator segment For stator segments with single conductor cables, a union nut for the signal cable is...
Electrical connection 8.3 System integration 8.3.10 Shielding, grounding, and equipotential bonding Important notes regarding shielding, grounding and equipotential bonding Correct installation and correct connection of cable shields and protective conductors is very important, not only for the safety of personnel but also for the interference emission and interference immunity.
The protective conductor connections PE and the shields are not shown for reasons of transparency. Refer to the Chapter "Shielding, grounding and equipotential bonding". When using other segment motors, your local Siemens office will support you when configuring the components required to integrate the segment motor into an overall system.
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Electrical connection 8.3 System integration Components • 1 CU 320-2 Control Unit • 1 Active Interface Module AIM to dampen line oscillations • 1 Active Line Module ALM as infeed and rectifier • 5 Motor Modules as inverters • 9 circuit breakers •...
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Electrical connection 8.3 System integration ① Group 1 ④ Group 4 ⑦ Sensor Module ⑩ Encoder ② Group 2 ⑤ Group 5 ⑧ TM120 Terminal ⑪ Segment motor Module ③ Group 3 ⑥ Internal encoder ⑨ Circuit breaker splitting Figure 8-6 Coupled stator segments with current demands of up to 66 A 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Electrical connection 8.3 System integration ① Group 1 ④ Group 4 ⑦ Sensor Module ⑩ Encoder ② Group 2 ⑤ Group 5 ⑧ TM120 Terminal ⑪ Segment motor Module ③ Group 3 ⑥ Internal encoder ⑨ Circuit breaker splitting Figure 8-7 Coupled stator segments with current demands higher than 66 A 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
Checking EMFs Note Commissioning Your local Siemens office can support you when commissioning your drive system. Contact data is provided in the introduction under "Technical Support". Requirements placed on the EMFs The EMFs of all stator segments must satisfy the subsequent requirements.
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Electrical connection 8.3 System integration The phase positions EMF phase U – EMF phase V – EMF phase W of the individual stator segments must match one another. • EMF phase U stator segment 1 with EMF phase U stator segment n •...
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Electrical connection 8.3 System integration Figure 8-10 Leading EMF phase U stator segment 1 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
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Electrical connection 8.3 System integration Checking the phase voltage and pole position angle using an oscilloscope Procedure 1. Carefully observe the fundamental safety instructions and safety instructions relating to electrical connection. 2. Switch the drive line-up into a no-current condition. 3.
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Electrical connection 8.3 System integration Procedure to rotate the rotor The procedure depends on the number of Motor Modules and the stator segments connected in parallel. The following preconditions must be satisfied for the procedures subsequently described: • The drive must be correctly connected up •...
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Electrical connection 8.3 System integration Procedure for several stator segments connected in parallel for each Motor Module If one stator segment is sufficient to move the drive, then select the following procedure. 1. Disconnect the parallel connection. 2. Keep the stator segment circuit breaker closed so that the drive can be moved. 3.
Transmitting encoder information with TEC SERVCOUP Note Commissioning Your local Siemens office can support you when commissioning your drive system. Contact data is provided in the introduction under "Technical Support". For SINAMICS, the Technology Extension SERVCOUP (SERVO COUPLING) is an expansion for the SERVO drive object.
Assembly drawings/dimension sheets Note Motor dimensions Siemens reserves the right to change the motor dimensions as part of design improvements without prior notification. The dimension drawings provided in this documentation, therefore, may not necessarily be up to date. You can request up-to-date dimension drawings at no charge.
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Assembly drawings/dimension sheets Figure 9-1 Stator segment 1FW6809 up to 66 A 1FW68 radial segment motors Configuration Manual, 08/2021, A5E51132930B AA...
This document contains recommendations relating to third-party products. Siemens accepts the fundamental suitability of these third-party products. You can use equivalent products from other manufacturers. Siemens does not accept any warranty for the properties of third-party products. A.1.1 Supply sources for connection components and accessories for heat-...
Appendix A.2 List of abbreviations A.1.5 Supply sources for spacer foils SAHLBERG GmbH & Co. KG www.sahlberg.de A.1.6 Supply sources for encoders DR. JOHANNES HEIDENHAIN GmbH https://www.heidenhain.de List of abbreviations Binding national health and safety at work regulations (in Germany) Conformité...
Appendix A.3 Environmental compatibility Environmental compatibility A.3.1 Environmental compatibility during production • The packaging material is made primarily from cardboard. • Energy consumption during production was optimized. • Production has low emission levels. A.3.2 Disposal Recycling and disposal For environmentally-friendly recycling and disposal of your old device, please contact a company certified for the disposal of waste electrical and electronic equipment, and dispose of the old device as prescribed in the respective country of use.
Appendix A.3 Environmental compatibility Main constituents of a proper disposal procedure • Complete demagnetization of the components that contain permanent magnets • Components that are to be recycled should be separated into: – Electronics scrap (e.g. encoder electronics, Sensor Modules) –...
Appendix A.3 Environmental compatibility A.3.2.3 Disposal of packaging Packaging materials and disposal The packaging and packing aids we use contain no problematic materials. With the exception of wooden materials, they can all be recycled and should always be disposed of for reuse. Wooden materials should be burned. Only recyclable plastics are used as packing aids: •...
Glossary Absolute angular measuring system By using several reading tracks, the motor is able to recognize the current position with the angle measuring system immediately after switching on. The position is identified without any rotation and is transferred via the serial EnDat, SSI or DRIVE-CLiQ interface. The measuring tape (graduation embodiment) has a limited length.
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Glossary Stator segment The stator segment is the electrically active component of a segment motor. For a limited angle of rotation, the stator segment can be used as a moving component. The → stator comprises stator segments, and forms the active part of the segment motor. Stator segment group The stator segment group comprises n →...