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Frequency Converter SD2S

Frequency Converter SD2S

Powerful, flexible and compact – these words describe the drive amplifier SD2S by SIEB & MEYER. Using the available drive functions synchronous and asynchronous motors with speeds up to 480,000 rpm can be driven by SD2S, especially in respect of a low motor heating in high-turning motors with small rotor volume. Furthermore, small motor temperatures are the basis for a high machining quality.

Highlights

  • Extensive Drive Functions

    Function:
    Freely selectable drive functions, selectable drive functions SVC, V/f-PWM, HS-Block, Servo.

    Advantage:
    The optimal drive function can be selected depending on the application requirements.

    Benefit:
    Best system performance.

  • Universal Motor Encoder Interface

    Function:
    Resolver, encoder / linear scale (TTL or Sin/Cos), EnDat, Hiperface, SSI, Hall sensor, linear Hall sensor, magnetoresistive sensor, NAMUR sensor.

    Advantage:
    High flexibility in the choice of the motor encoder interface.

    Benefit:
    Low system costs, free choice of the motor manufacturer.

  • Load Indicator

    Function:
    As standard SD2S offers a highly precise evaluation of the torque-forming current.

    Advantage:
    The evaluation can be used for tool monitoring. These are for example detection of tool breakage, tool wear, gap eliminator (GAP and crash) and an optimal control of the feed rate during the manufacturing process.

    Benefit:
    Low system costs, no need of cost-intensive monitoring sensors.

The Specialist for High-speed Applications

Depending on the application, the operation can be carried out with or without encoder. For the operation with an encoder SD2S offers the possibility to evaluate the common encoder systems existing on the market.

SD2S is connected to the higher-ranking control via analog reference values (+/-10 V), digital I/Os, RS232, USB, CAN bus, PROFIBUS*, PROFINET* or EtherCAT (CoE)**.

* Via gateway
**CoE=CAN over EtherCAT

Easy but Robust

Additionally to the basic characteristics in respect of a low motor heating SD2S offers two drive functions characterized by an easy parameterization and a robust operation for applications up to 120,000 rpm. For asynchronous motors the drive function V/f-PWM is used. By means of the V/f characteristic curve the user can carry out the graphically aided parameterization of the motor. As using the V/f characteristic curve is an established form of motor parameterization for example in grinding applications, the user can take advantage of the experience gained in this field.

The SVC drive function (Sensorless Vector Control) is provided for synchronous motors and is based on the equivalent circuit diagram usually found in the motor data sheet. SVC allows 4-quadrant operation of high speed synchronous motors and generators so that SD2S can be used for high speed applications such as turbo blowers or turbines for utilization of process energy.

Servoverstärker SD2S

The Interfaces of SD2 (Two-channel Device)

  1. Mains supply (DC)
  2. 24 V-Logic supply
  3. Parameterization and diagnosis
  4. 6 digital inputs and 4 digital outputs
  5. Safety integrated "STO": Restart lock to meet category 4/PL e according to EN ISO 13849-1:2015 and EN 61508:2010 SIL3
  6. Encoder inputs and outputs (Puls-direction signals)
  7. Encoder inputs and outputs (measuring system simulation)
  8. Analog reference value interfaces: +/-10 V
  9. Resolver inputs
  10. Thermal contacts
  11. Universal motor encoder interface: Encoder / linear scale(TTL or Sin/Cos), EnDat, Hiperface, SSI, Hall effect sensor, linearer Hall sensor, magnetoresistive sensor
  12. SERVOLINK 4 via optical fiber connector
  13. 2 x Motor connection for synchronous / asynchronous spindles, linear motors and rotary motors
     

EtherCAT, PROFIBUS and PROFINET via gateway

Drive Functions and Safety Functions

SVC
U/f PWM
Servo
STO

Technology Functions for Grinding Applications

Multi parameter sets

The flexibility of grinding machines largely depends on the possibility of a fast and simple use of grinding spindles. The feature of saving up to 64 motor parameter sets in the drives enables the variable operation with different motors. The number of parameter sets can be encoded via the digital inputs or alternatively via the provided data interfaces.

Gap eliminator / Load indicator

The load indicator is a standard function that is implemented in all devices of series SD2x. The function is used to monitor the status of the active current of spindles. If a preset motor workload is exceeded, the function generates a message. In contrast to acoustic emission sensors, this function evaluates the actual active current of the motor. This is why a very high precision is possible when detecting the load changes of the motor. A load created by e.g. a touch between tool and work piece causes a significant rise in the motor current. Such a load is detected by means of the load indicator. This makes additional external components obsolete.

The load indicator can be used:

  • as an indicator for tool breakage
  • as a main system in dressing processes
  • for a detection with micrometer precision when the tool touches the work piece (gap / touch)
  • as an indicator for a necessary tool change due to abrasive wear
  • as an indicator for a necessary feed rate reduction (productivity increase by reducing the air-cutting time)
  • for a fully automatic adjustment
  • as a substitute for acoustic sensor technologies (acoustic emission)

Software for Initial Operation and Parameterization: drivemaster2

The oscilloscope function allows optimization of the axes in the machine via the drive-setup-tool without additional measuring equipment.

The clear design of the software allows intuitive parameterization via graphics and block diagrams. The „Parameter-Wizard“ guides the user step-by-step through the system configuration and allows intuitive setup of the device via help messages and comments.

Operation Unit (optional)

LCD status display for the indication of operating data:

  • Parameters
  • Reference / actual speed
  • Load display
  • Active spindle
  • Error messages
     

LED status displays for:

  • Ready for operation
  • Load message

Technical Specifications of Frequency Converter SD2S

Device type Rated power1 Rated current Peak current/time Max. output voltage1 HxWxD (mm) Weight Cooling
Compact devices - 1 x 50 VAC mains voltage
0362X40DA 330 VA 10 Arms 14 Arms/5 s 3 x 45 VAC 249 x 70 x 188 2.5 kg Air
Compact devices - 1 x 110 ... 230 VAC mains voltage
0362X40DC 1.5 kVA 10 Arms 14 Arms/5 s 3 x 200 VAC 249 x 70 x 188 2.5 kg Air
0362X40EC 1.5 kVA 10 Arms 28 Arms/2 s 3 x 200 VAC 249 x 70 x 188 2.5 kg Air
Compact devices - 3 x 200 ... 230 VAC mains voltage
0362X41EC 3.8 kVA (6.9 kVA2) 20 Arms 28 Arms/5 s 3 x 200 VAC 253 x 104 x 188 3.5 kg Air
0362X41IC 3.8 kVA (6.9 kVA2) 20 Arms 56 Arms/2 s 3 x 200 VAC 253 x 104 x 188 3.5 kg Air
Compact devices - 3 x 200 ... 480 VAC mains voltage
0362X40EF 4.3 kVA 7 Arms 28 Arms/5 s 3 x 410 VAC 249 x 70 x 232 3.5 kg Air
0362X41EF 9.7 kVA 14 Arms 28 Arms/5 s 3 x 410 VAC 253 x 104 x 188 3.5 kg Air
0362X41IF 9.7 kVA 14 Arms 56 Arms/2 s 3 x 410 VAC 253 x 104 x 188 3.5 kg Air
0362X49IF3) 9.7 kVA 14 Arms 56 Arms/0,4 s 3 x 410 VAC 279 x 90 x 220 3.9 kg Air
0362X45EF 15.9 kVA 23 Arms 28,3 Arms/5 s 3 x 410 VAC 390 x 181 x 178 7.8 kg Air
0362X45IF 20.8 kVA 30 Arms 56,6 Arms/2 s 3 x 410 VAC 390 x 181 x 178 7.8 kg Air
0362X46IF 24.2 kVA 35 Arms 56,6 Arms/5 s 3 x 410 VAC 460 x 190 x 220 13.7 kg Air
0362X46LF 30.5 kVA 44 Arms 70,7 Arms/5 s 3 x 410 VAC 460 x 190 x 220 13.7 kg Air
0362X48MF 55.4 kVA 80 Arms 113 Arms/5 s 3 x 410 VAC 429 x 272 x 265 19 kg Air
0362X48OF 55.4 kVA 80 Arms 113 Arms/5 s 3 x 410 VAC 429 x 200 x 262 15 kg Water


X = 1: CAN-Bus
X = 2: EtherCAT and CAN-Bus
1) Rated power and max. output voltage for mains voltage/supply voltage (in italic)
2) Output power at three-phase mains
3) NRTL/CSA certified

Technical Specifications of Frequency Converter SD2S light
without Interfaces for Measuring Systems, with CAN bus

Device type Rated power1 Rated current Peak current/time Max. output voltage1 HxWxD (mm) Weight Cooling
Compact devices - 1 x 110...230 VAC mains voltage
0362120DC 1,5 kVA 10 Aeff 14 Aeff/5 s 3 x 200 VAC 249 x 70 x 188 2,5 kg Air
0362120EC 1,5 kVA 10 Aeff 28 Aeff/2 s 3 x 200 VAC 249 x 70 x 188 2,5 kg Air
Compact devices - (3)1 x 110...230 VAC mains voltage
0362121EC 3,8 kVA (6,9 kVA2) 20 Aeff 28 Aeff/5 s 3 x 200 VAC 253 x 104 x 188 3,5 kg Air
0362121IC 3,8 kVA (6,9 kVA2) 20 Aeff 56 Aeff/2 s 3 x 200 VAC 253 x 104 x 188 3,5 kg Air
0362129EC3) 3,8 kVA (6,9 kVA2) 20 Aeff 28 Aeff/1 s 3 x 200 VAC 279 x 90 x 220 3,9 kg Air
Compact devices - 3 x 200...480 VAC mains voltage
0362121EF 9,7 kVA 14 Aeff 28 Aeff/5 s 3 x 410 VAC 253 x 104 x 188 3,5 kg Air
0362121IF 9,7 kVA 14 Aeff 56 Aeff/2 s 3 x 410 VAC 253 x 104 x 188 3,5 kg Air

 

1) Rated power and max. output voltage for mains voltage/supply voltage (in italic)
2) Output power for three-phase mains
3) NRTL certified

Applications

  • High-speed spindles are the key components of a machine tool. Only when operated in an optimal way, the desired machining accuracy, productivity and service life of the whole machine is guaranteed. 

     

    Drilling, Routing

  • Grinding applications have a special position in the field of machine tools. Internal grinding applications, for example, require sensorless operation of asynchronous and synchronous spindles up to 250,000 rpm. 

     

    Grinding

  • For dressing applications, it is essential to keep the spindle temperature low: a temperature increase in the spindle causes a longitudinal growth and therefore a shift of the tool position. 

     

    Dressing

  • Small CAD/CAM routing machines are used, for example, in dental laboratories for jewelry making or engraving works as well as for producing advertising displays. 

     

    Dental CAD/CAM

  • High-speed dicing spindles are the key components in machines for microchip separation – the so-called wafer dicing. 

     

    Wafer Dicing

  • In the field of turbomachines, the system's efficiency can be continuously improved by increasing the system speed or omitting the gear. 

     

    Compressed Air Production

  • Due to their design, a large number of technologies in the field of waste energy usage or mechanical energy storage require high-speed motors and generators

     

    Wastewater Treatment

  • Rotary atomization processes, e.g. applied for the production of milk powder or flue gas treatment, require high circumferential speeds. Therefore, it is necessary to use matching high-speed motors instead of low-speed standard motors.

     

    Atomizer

  • Refrigeration units with turbo or centrifugal compressors with higher power ranges operate with high speeds. Frequency converters by SIEB & MEYER easily provide the required speeds and their control method ensures an exceptionally low rotor heating.

     

    Refrigeration and Air Conditioning

  • Polygon scanners are based on special optics and operate, for example, sorting machines. Up to now, manufacturers had to install encoders to run these scanners with a high speed stability.

    Polygon Scanners

  • Precision is indispensable for tightening applications: If the screw is required to be tightened with a defined torque, the servo amplifier must meet this requirement. 

    Tightening/Pressing/Clinching

  • PCB routing is determined by the continuously increasing technical and commercial requirements of the electronics industry. The steadily rising level of integration of the electronic components requires increasingly complex and more precise contours for PCBs.

    PCB Routing

  • PCB scoring is determined by the continuously increasing technical and commercial requirements of the electronics industry. The prevailing pricing pressure on electronic devices demands a step-up in productivity by means of an increasing machine automation.

    PCB Scoring

News

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Optimal Consulting, Competent Support

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[Translate to Englisch:] Frequenzumrichter SD2S

Frequency Converter SD2S

Powerful, flexible and compact – these words describe the drive amplifier SD2S by SIEB & MEYER. Using the available drive functions synchronous and asynchronous motors with speeds up to 480,000 rpm can be driven by SD2S, especially in respect of a low motor heating in high-turning motors with small rotor volume. Furthermore, small motor temperatures are the basis for a high machining quality.

Highlights

Extensive Drive Functions

  • Function: Freely selectable drive functions, selectable drive functions SVC, V/f-PWM, HS-Block, Servo.
     
  • Advantage: The optimal drive function can be selected depending on the application requirements.
     
  • Benefit: Best system performance.

Universal Motor Encoder Interface

  • Function: Resolver, encoder / linear scale (TTL or Sin/Cos), EnDat, Hiperface, SSI, Hall sensor, linear Hall sensor, magnetoresistive sensor, NAMUR sensor.
     
  • Advantage:  High flexibility in the choice of the motor encoder interface.
     
  • Benefit:  Low system costs, free choice of the motor manufacturer.

Load Indicator

  • Function: As standard SD2S offers a highly precise evaluation of the torque-forming current.
     
  • Advantage: The evaluation can be used for tool monitoring. These are for example detection of tool breakage, tool wear, gap eliminator (GAP and crash) and an optimal control of the feed rate during the manufacturing process.
     
  • Benefit: Low system costs, no need of cost-intensive monitoring sensors.

The Specialist for High-speed Applications

Depending on the application, the operation can be carried out with or without encoder. For the operation with an encoder SD2S offers the possibility to evaluate the common encoder systems existing on the market.

 

SD2S is connected to the higher-ranking control via analog reference values (+/-10 V), digital I/Os, RS232, USB, CAN bus, PROFIBUS*, PROFINET* or EtherCAT (CoE)**.

 

* Via gateway
**CoE=CAN over EtherCAT

Easy but Robust

Additionally to the basic characteristics in respect of a low motor heating SD2S offers two drive functions characterized by an easy parameterization and a robust operation for applications up to 120,000 rpm. For asynchronous motors the drive function V/f-PWM is used. By means of the V/f characteristic curve the user can carry out the graphically aided parameterization of the motor. As using the V/f characteristic curve is an established form of motor parameterization for example in grinding applications, the user can take advantage of the experience gained in this field.

 

The SVC drive function (Sensorless Vector Control) is provided for synchronous motors and is based on the equivalent circuit diagram usually found in the motor data sheet. SVC allows 4-quadrant operation of high speed synchronous motors and generators so that SD2S can be used for high speed applications such as turbo blowers or turbines for utilization of process energy.

The Interfaces of SD2 (Two-channel Device)

Servoverstärker SD2S
  1. Mains supply (DC)
  2. 24 V-Logic supply
  3. Parameterization and diagnosis
  4. 6 digital inputs and 4 digital outputs
  5. Safety integrated "STO": Restart lock to meet category 4/PL e according to EN ISO 13849-1:2015 and EN 61508:2010 SIL3
  6. Encoder inputs and outputs (Puls-direction signals)
  7. Encoder inputs and outputs (measuring system simulation)
  8. Analog reference value interfaces: +/-10 V
  9. Resolver inputs
  10. Thermal contacts
  11. Universal motor encoder interface: Encoder / linear scale(TTL or Sin/Cos), EnDat, Hiperface, SSI, Hall effect sensor, linearer Hall sensor, magnetoresistive sensor
  12. SERVOLINK 4 via optical fiber connector
  13. 2 x Motor connection for synchronous / asynchronous spindles, linear motors and rotary motors
     

EtherCAT, PROFIBUS and PROFINET via gateway

Drive Functions and Safety Functions

SVC
U/f PWM
Servo
STO

Technology Functions for Grinding Applications

Multi parameter sets

The flexibility of grinding machines largely depends on the possibility of a fast and simple use of grinding spindles. The feature of saving up to 64 motor parameter sets in the drives enables the variable operation with different motors. The number of parameter sets can be encoded via the digital inputs or alternatively via the provided data interfaces.

 

Gap eliminator / Load indicator

The load indicator is a standard function that is implemented in all devices of series SD2x. The function is used to monitor the status of the active current of spindles. If a preset motor workload is exceeded, the function generates a message. In contrast to acoustic emission sensors, this function evaluates the actual active current of the motor. This is why a very high precision is possible when detecting the load changes of the motor. A load created by e.g. a touch between tool and work piece causes a significant rise in the motor current. Such a load is detected by means of the load indicator. This makes additional external components obsolete.

 

The load indicator can be used:

  • as an indicator for tool breakage
  • as a main system in dressing processes
  • for a detection with micrometer precision when the tool touches the work piece (gap / touch)
  • as an indicator for a necessary tool change due to abrasive wear
  • as an indicator for a necessary feed rate reduction (productivity increase by reducing the air-cutting time)
  • for a fully automatic adjustment
  • as a substitute for acoustic sensor technologies (acoustic emission)

 

Software for Initial Operation and Parameterization: drivemaster2

The oscilloscope function allows optimization of the axes in the machine via the drive-setup-tool without additional measuring equipment.

The clear design of the software allows intuitive parameterization via graphics and block diagrams. The „Parameter-Wizard“ guides the user step-by-step through the system configuration and allows intuitive setup of the device via help messages and comments.

Operation Unit (optional)

LCD status display for the indication of operating data:

  • Parameters
  • Reference / actual speed
  • Load display
  • Active spindle
  • Error messages
     

LED status displays for:

  • Ready for operation
  • Load message
     

Technical Specifications of Frequency Converter SD2S

Device type Rated power1 Rated current Peak current/time Max. output voltage1 HxWxD (mm) Weight Cooling
Compact devices - 1 x 50 VAC mains voltage
0362X40DA 330 VA 10 Arms 14 Arms/5 s 3 x 45 VAC 249 x 70 x 188 2.5 kg Air
Compact devices - 1 x 110 ... 230 VAC mains voltage
0362X40DC 1.5 kVA 10 Arms 14 Arms/5 s 3 x 200 VAC 249 x 70 x 188 2.5 kg Air
0362X40EC 1.5 kVA 10 Arms 28 Arms/2 s 3 x 200 VAC 249 x 70 x 188 2.5 kg Air
Compact devices - 3 x 200 ... 230 VAC mains voltage
0362X41EC 3.8 kVA (6.9 kVA2) 20 Arms 28 Arms/5 s 3 x 200 VAC 253 x 104 x 188 3.5 kg Air
0362X41IC 3.8 kVA (6.9 kVA2) 20 Arms 56 Arms/2 s 3 x 200 VAC 253 x 104 x 188 3.5 kg Air
Compact devices - 3 x 200 ... 480 VAC mains voltage
0362X40EF 4.3 kVA 7 Arms 28 Arms/5 s 3 x 410 VAC 249 x 70 x 232 3.5 kg Air
0362X41EF 9.7 kVA 14 Arms 28 Arms/5 s 3 x 410 VAC 253 x 104 x 188 3.5 kg Air
0362X41IF 9.7 kVA 14 Arms 56 Arms/2 s 3 x 410 VAC 253 x 104 x 188 3.5 kg Air
0362X49IF3) 9.7 kVA 14 Arms 56 Arms/0,4 s 3 x 410 VAC 279 x 90 x 220 3.9 kg Air
0362X45EF 15.9 kVA 23 Arms 28,3 Arms/5 s 3 x 410 VAC 390 x 181 x 178 7.8 kg Air
0362X45IF 20.8 kVA 30 Arms 56,6 Arms/2 s 3 x 410 VAC 390 x 181 x 178 7.8 kg Air
0362X46IF 24.2 kVA 35 Arms 56,6 Arms/5 s 3 x 410 VAC 460 x 190 x 220 13.7 kg Air
0362X46LF 30.5 kVA 44 Arms 70,7 Arms/5 s 3 x 410 VAC 460 x 190 x 220 13.7 kg Air
0362X48MF 55.4 kVA 80 Arms 113 Arms/5 s 3 x 410 VAC 429 x 272 x 265 19 kg Air
0362X48OF 55.4 kVA 80 Arms 113 Arms/5 s 3 x 410 VAC 429 x 200 x 262 15 kg Water


X = 1: CAN-Bus
X = 2: EtherCAT and CAN-Bus
1) Rated power and max. output voltage for mains voltage/supply voltage (in italic)
2) Output power at three-phase mains
3) NRTL/CSA certified

Technical Specifications of Frequency Converter SD2S light without Interfaces for Measuring Systems, with CAN bus

Device type Rated power1 Rated current Peak current/time Max. output voltage1 HxWxD (mm) Weight Cooling
Compact devices - 1 x 110...230 VAC mains voltage
0362120DC 1,5 kVA 10 Aeff 14 Aeff/5 s 3 x 200 VAC 249 x 70 x 188 2,5 kg Air
0362120EC 1,5 kVA 10 Aeff 28 Aeff/2 s 3 x 200 VAC 249 x 70 x 188 2,5 kg Air
Compact devices - (3)1 x 110...230 VAC mains voltage
0362121EC 3,8 kVA (6,9 kVA2) 20 Aeff 28 Aeff/5 s 3 x 200 VAC 253 x 104 x 188 3,5 kg Air
0362121IC 3,8 kVA (6,9 kVA2) 20 Aeff 56 Aeff/2 s 3 x 200 VAC 253 x 104 x 188 3,5 kg Air
0362129EC3) 3,8 kVA (6,9 kVA2) 20 Aeff 28 Aeff/1 s 3 x 200 VAC 279 x 90 x 220 3,9 kg Air
Compact devices - 3 x 200...480 VAC mains voltage
0362121EF 9,7 kVA 14 Aeff 28 Aeff/5 s 3 x 410 VAC 253 x 104 x 188 3,5 kg Air
0362121IF 9,7 kVA 14 Aeff 56 Aeff/2 s 3 x 410 VAC 253 x 104 x 188 3,5 kg Air

 

1) Rated power and max. output voltage for mains voltage/supply voltage (in italic)
2) Output power for three-phase mains
3) NRTL certified

Applications

  • High-speed spindles are the key components of a machine tool. Only when operated in an optimal way, the desired machining accuracy, productivity and service life of the whole machine is guaranteed. 

     

    Drilling, Routing

  • Grinding applications have a special position in the field of machine tools. Internal grinding applications, for example, require sensorless operation of asynchronous and synchronous spindles up to 250,000 rpm. 

     

    Grinding

  • For dressing applications, it is essential to keep the spindle temperature low: a temperature increase in the spindle causes a longitudinal growth and therefore a shift of the tool position. 

     

    Dressing

  • Small CAD/CAM routing machines are used, for example, in dental laboratories for jewelry making or engraving works as well as for producing advertising displays. 

     

    Dental CAD/CAM

  • High-speed dicing spindles are the key components in machines for microchip separation – the so-called wafer dicing. 

     

    Wafer Dicing

  • In the field of turbomachines, the system's efficiency can be continuously improved by increasing the system speed or omitting the gear. 

     

    Compressed Air Production

  • Due to their design, a large number of technologies in the field of waste energy usage or mechanical energy storage require high-speed motors and generators

     

    Wastewater Treatment

  • Rotary atomization processes, e.g. applied for the production of milk powder or flue gas treatment, require high circumferential speeds. Therefore, it is necessary to use matching high-speed motors instead of low-speed standard motors.

     

    Atomizer

  • Refrigeration units with turbo or centrifugal compressors with higher power ranges operate with high speeds. Frequency converters by SIEB & MEYER easily provide the required speeds and their control method ensures an exceptionally low rotor heating.

     

    Refrigeration and Air Conditioning

  • Polygon scanners are based on special optics and operate, for example, sorting machines. Up to now, manufacturers had to install encoders to run these scanners with a high speed stability.

    Polygon Scanners

  • Precision is indispensable for tightening applications: If the screw is required to be tightened with a defined torque, the servo amplifier must meet this requirement. 

    Tightening/Pressing/Clinching

  • PCB routing is determined by the continuously increasing technical and commercial requirements of the electronics industry. The steadily rising level of integration of the electronic components requires increasingly complex and more precise contours for PCBs.

    PCB Routing

  • PCB scoring is determined by the continuously increasing technical and commercial requirements of the electronics industry. The prevailing pricing pressure on electronic devices demands a step-up in productivity by means of an increasing machine automation.

    PCB Scoring

About Sieb & Meyer

SIEB & MEYER AG - Drive and control solutions of the latest generation


SIEB & MEYER was founded in 1962 and is a successful company in the field of industrial electronics. With around 300 employees worldwide today, we develop and manufacture control technology and drive electronics. Our core technologies include controllers for mechanical engineering and automation technology, servo amplifiers for a wide range of drives and frequency converters for high-speed motors and generators.

Contact

SIEB & MEYER AG
Auf dem Schmaarkamp 21
D-21339 Lüneburg
Phone: +49 4131 203 0
Fax: +49 4131-203 2000

You can find all sales contacts at: www.sieb-meyer.com/contact/sales

You can find all agencies and partners at: www.sieb-meyer.com/contact/offices-and-sales-partners