Digitax HD M753 EtherCAT

For high-performance centralised motion control applications

Digitax HD M753 EtherCAT

For high-performance centralised motion control applications

Digitax HD M753 EtherCAT features an integrated 2-port EtherCAT switch for easy integration into centralized motion control applications.

EoE (Ethernet over EtherCAT) support allows pc-tool connection for commissioning and monitoring over the EtherCAT network. The servo drive can operate with motion controllers, motion PLCs and Industrial PCs via built-in EtherCAT.

  • Features
    Maximise performance
    • 300% peak current performance pulse-duty overload
    • Optimized control loops for high dynamic performance
      • 62.5 μs current loop
      • 250 μs position and speed loop
    • Up to 16 kHz switching frequency (default ratings specified at 8 kHz)
    • Supports a wide range of feedback technologies including Quadrature, SinCos (including absolute), SSI, BiSS, EnDat (up to 4 Mb with EnDat 2.2) and resolvers
    • Maximum performance package with high torque density, low inertia Unimotor hd servo motors
    • On-board Advanced Motion Controller for distributed 1.5 axis motion control
    • High speed network synchronisation of less than 1 μs jitter

    Minimum size
    • 40 mm drive width and option bracket adds 22 mm, providing a highly competitive maximum drive width of 62 mm
    • MCi210 Machine Control module for complete standalone capability, removing the need for an external controller
    • Reduce cabinet height by directly stacking rows of drives. Patented Ultraflow™ technology expels heat directly outside of the cabinet through the rear of the drive (drive heat dissipation can also be achieved via vents on the top of the drive, as standard).
    • Fits into cabinets just 200 mm deep

    Easy installation and setup
    • DIN rail alignment
    • Kits for easy multi-axis installation
    • Single motor cable and electronic motor name plate for fast set up
    • Seamless motor-drive pairing with Unimotor hd servo motors from Control Techniques
    • Easy access pluggable connectors
    • Rapid and flexible commissioning
      • Ethernet over EtherCAT (EoE) for PC tool communication
      • File over EtherCAT (FoE) for drive parameter transfer
      • Rotary dials can be used for local setting of the station alias

    • Operate with any automation product via EtherCAT
      - Operate with motion controllers, motion PLCs and Industrial PCs via built-in EtherCAT
      - Dual 100Mbps EtherCAT interfaces for use with in-line topologies
      - Non-cyclic data communication using the CoE mailbox
    • Flexibility for all applications achieved through full access to drive functions
      - CANopen over EtherCAT (CoE) with CiA-402 profile including:
      • Cyclic synchronous position mode
      • Cyclic synchronous velocity mode
      • Cyclic synchronous torque mode
      • Homing mode
      • Interpolated position mode
      • Velocity mode
      • SDO access to all profile objects and drive parameters
    • An optional RS485 adaptor is available, providing a back-up PC tool connection in case of network failure

    Improved productivity with machine safety

    The built-in dual Safe Torque Off is certified to SIL3 / PLe.

    With the MiS250 option, the integrated safety can be extended to include
    • Safe Motion
      - Safe Stop 1 (SS1)
      - Safe Stop 2 (SS2)
      - Safely Limited Speed (SLS)
      - Safe Operating Stop (SOS)
      - Safe Direction (SDI)
      - Safe Speed Monitor (SSM)
      - Safe Emergency Stop (SES)
      - Safely Limited Position (SLP)
      - Safely Limited Acceleration (SLA)
      - Safe Brake Control (SBC)
      - Two Hand Control
    • Fail Safe over EtherCAT
      - Up to 32 booleans and 4 integers communication interface
      - Safe speed and position transfer to safety controller
  • Functional Safety
    Functional Safetyfunctional-safety

    All Digitax HD drives have integrated dual Safe Torque Off (STO) inputs, certified to SIL3 / PLe, providing an elegant and reliable safety solution. 
    The addition of an MiS250 safety option extends the built-in STO with the ability to safely monitor and/or restrict the scope of motion. 
    Safety functions include: STO, SBC, SOS, SS1, SS2, SLS, SSM, SLA, SDI, SLP & SES
    For maximum flexibility in the safety system architecture, the modules support both wired and network safety connections: CIP-Safety on EtherNet/IP and Safety over EtherCAT (FSoE).
    To find out more, visit our Functional Safety page.

  • Options

    Option Modules

    System Integration Modules - Feedback
    SI-Encoder Feedback System Integration Module


    Quadrature encoder input interface module.

    SI-Universal Encoder Feedback System Integration Modules

    SI-Universal Encoder

    Encoder input and output interface supporting Quadrature, SinCos, EnDat and SSI encoders.

    System Integration Modules - Communications
    Connects Unidrive, Commander, Digitax and the Pump Drive families to all POWERLINK networks. SI-POWERLINK serves applications ranging from simple open-loop systems through to those demanding precise motion control. The protocol is based upon standard Ethernet and provides a solution for real-time Industrial Ethernet to satisfy the requirements of industrial automation and process control.

    SI-Profibus Communication System Integration Modules


    SI-PROFIBUS interface module enables follower connectivity. It is possible to use multiple SI-PROFIBUS modules or a combination of SI-PROFIBUS and other option module types to add additional functionality such as extended I/O, gateway functionality or additional PLC features.

    SI-Devicenet Communications System Integration Module


    SI-DeviceNet enables follower connectivity. It is possible to use multiple SI-DeviceNet modules to provide additional functionality.

    SI-CANopen Communication System Integration Module


    Digitax HD's SI-CANopen interface module supports various profiles, offering optimum flexibility.

    SI-Ethernet Communication System Integration Module


    SI-Ethernet can be used to provide high speed drive access, global connectivity and integration with IT network technologies. 

    SI-EtherCAT Communications System Integration Module


    SI-EtherCAT allows Digitax HD servo drive to connect and interface with EtherCAT networks.

    SI-Profinet Communications System Integration Module 


    SI-PROFINET allows Digitax HD to communicate and interface with PROFINET PLCs and networks.



    Interbus interface modules.

    System Integration Modules - Applications

    MCi210 System Integration Module with a dual port Ethernet


    Extended advanced machine control, provides MCi200 functionality with additional ports and simultaneous connectivity to 2 separate Ethernet networks.

    MCi200 system integration module


    Second processor, providing advanced customization using industry standard IEC61131-3 programming languages.

    SI-Apps Compact System Integration Modules

    SI-Apps Compact

    Compatible module allows legacy SyPTPro application programs to be re-complied for HD.

    System Integration Modules - Additional I/O

    SI-IO System Integration Module


    Extended I/O interface module to increase the number of I/O points on a drive. Provides additional: 4 x Digital I/O, 3 x Analog inputs (default)/Digital inputs, 1 x Analog output (default)/Digital input, 2 x Relays.


    KI Compact Display Option module for servo drive

    KI-Compact Display

    The display (fitted on M753 & M750, optional on M751) ensures access to drive diagnostics even in the absence of network connectivity. Includes 2 rotary switches for hardware setting of the node address for faster commissioning of the motion network.


    KI-Compact 485 Adaptor

    This allows the drive to communicate via RS485. This is commonly used for programming if the drive has no keypad.


    Remote Keypad RTC

    The keypad is remote mountable, allowing flexible mounting on the outside of a panel (meets IP54/NEMA 12). Three line plain text, multi-language LCD keypad for rapid set-up and helpful diagnostics. Battery operated real-time clock allows accurate time stamping of events, aiding diagnostics.

    Drive interface units - Communications
    control techniques usb cable

    CT USB Communications Cable

    The USB Communications cable allows the drive to connect to a PC for use with our PC tools*.

    digitax m75c capshare servo

    Digitax M75C CapShare

    Capacitor module (200 V and 400 V) with thermal protection to increase maximum energy storage capacity, and optimise energy efficient usage.


    For the complete list of accessories, please see the Digitax HD brochure.

    * Also requires KI-Compact-485 adaptor.

  • Software
    We make it quick and easy
    Connect - Intuitive Commissioning Software

    Based on Control Techniques’ 25 years' experience, Connect is our latest drive configuration tool for commissioning, optimizing and monitoring drive/system performance.



    Machine Control Studio - Programming Tool

    Control Techniques' Machine Control Studio provides a flexible and intuitive environment for programming new automation and motion control features.



  • Downloads
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