ServoOne Junior High-performance servo drive for the lower power range

Optimized for the lower power range, the servo drive ServoOne Junior has all the technological features of the ServoOne family. Full function compatibility and handling within the ServoOne family is always guaranteed.

The ServoOne Junior easily combines cost optimization, minimization of size and maximum functionality. The integration of high-speed fieldbus systems and encoder interfaces guarantees persistence and flexibility. Extensive motion control functions allow a wide range of applications.

  • 3 - 8 A Rated current at 1/3 x 230 V AC
  • 2 - 16 A Rated current at 3 x 400 - 480 V AC
  • Up to 300% overloadable

Field bus variety

The product range offers the flexible integration into the world of control and automation technology.
ServoOne provides a wide range of different field bus systems.

  • Real-time Ethernet-based communication interfaces such as:
    EtherCAT, Sercos III, PROFINET IRT or PowerLink
  • Sercos II + III as the established machine tool communication interfaces
  • Proven field bus interfaces like CANopen based on DS301/DSP402 and PROFIBUS DP-V1 profiles complete the ServoOne field bus portfolio

Maximal application thanks to the integrated iPlc

Integrated programmable single-axis positioning and sequence control

  • Adjustment of the controller to the movement task by the customer
  • Fast on-site adjustment to changing requirements
  • Programming in IEC 61131-3 languages
  • Programming system CODESYS 3.x



Impressive control technology for your machine

  • High sampling rates of up to 16 kHz for optimal motor control
  • Predictive pilot control structures for precise path accuracy
  • Filter for damping mechanical vibrations
  • Correction of encoder errors using patented GPOC procedure
  • Compensation of motor cogging and friction torques
  • Correction of mechanical spindle errors
  • Autocommutation for synchronous motors without absolute value encoders
  • Sensorless control of synchronous motors

Flexible servo drive hardware Solutions for your automated machine

  • Optional socket for communication options
  • Optional socket for technology options
    - 2nd high-resolution absolute sin/cos encoder
    - TTL encoder input/TTL encoder simulation
    - Synchronization module for 2 ServoOne axes (e.g. for gantry axes)
  • 2-channel encoder evaluation as standard
    - Channel 1:  Resolver
    - Channel 2:  Sin/Cos with HIPERFACE®, EnDat2.x, SSI or zero pulse, TTL encoder, EnDat2.2 digital
    - Optional evaluation of a 3rd encoder
  • 24V motor brake connection with line breakage monitoring
  • Control terminal
    - 2 differential analog inputs +/- 10 V, 12 Bit
    - 8 digital inputs, 2 with measuring probe function (signal delay < 2 µs))
    - 3 digital outputs, relay 24 V / 100 mA

Impressive control technology

  • High sampling rates of up to 16 kHz for optimal motor control
  • Predictive pilot control structures for precise path accuracy
  • Filter for damping mechanical vibrations
  • Correction of encoder errors using patented GPOC procedure
  • Compensation of motor cogging and friction torques
  • Correction of mechanical spindle errors
  • Autocommutation for synchronous motors without absolute value encoders
  • Sensorless control of synchronous motors

Field bus variety

  • Real-time Ethernet-based communication interfaces such as:
    EtherCAT, Sercos III, PROFINET IRT or PowerLink
  • Sercos II + III as the established machine tool communication interfaces
  • Proven field bus interfaces like CANopen based on DS301/DSP402 and PROFIBUS DP-V1 profiles complete the ServoOne field bus portfolio

Maximum application Integrated iPLc and CODEYSY

Integrated programmable single-axis positioning and sequence control

  • Adjustment of the controller to the movement task by the customer
  • Fast on-site adjustment to changing requirements
  • Programming in IEC 61131-3 languages
  • Programming system CODESYS 3.x

Technical data ServOne Junior The most important data at a glance

Performance dataACSO Junior
Supply voltage1/3 x 230 V AC
3 x 400 - 480 V AC
Rating at 1 x 230 V AC3 – 8 A (1/3 x 230 V)
Rating at 3 x 400 V AC2 – 16 A
Overload factor3.0
Rotating field frequency400 Hz
Power stage switching frequency2, 4, 8, 12, 16 kHz
Brake chopper electronics integratedStandard model
Braking resistor integratedOptional
Safety technologySingle-axis system
STO – safe torque off

Standard model
up to SO84.170

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