Remove the Limits.
40 mm of Pure Dynamics.
The Control Techniques servo drive family with an ultra-slim 40 mm housing, designed for compact multi-axis cabinets. With a 250 µs motion loop and 300% peak current capability, it is the heart of OEM machines that demand high dynamic performance.
Same Mechanical Platform, Different Levels of Intelligence
The Digitax HD family keeps a single compact housing concept while scaling communication, motion and machine logic capability to your machine's needs.
M750 EtherNet
A strong entry point for OEM projects that need flexible fieldbus communication: 2-port Ethernet switch, Modbus TCP/IP, EtherNet/IP, PROFINET RT and RTMoE.
M751 Base
The base drive variant with 2-port RS485 and Modbus RTU: a cost-effective choice for simpler machine architectures that keeps the same mechanical platform.
M753 EtherCAT
With its 2-port EtherCAT switch and CoE-based real-time motion infrastructure, this is ONX Control's natural choice for synchronized servo axes.
M754 MCi
The top-tier variant for machines that need programmable motion, camming, digital lock and advanced functions on up to 5 axes via the Advanced Motion Controller.
Don't Leave Your Servo System to Chance. Size It with Numbers.
Select your mechanics (lead screw, conveyor, etc.) and draw your motion profile (speed, acceleration, dwell). We simulate and report the Digitax HD and Unimotor pairing with millisecond-resolution torque charts.
Launch the Motion Sizing Tool
Servo Engineering Tools
Lead Screw System Sizing
The most relevant tool for verifying the torque demand from ball screws, linear motion and acceleration on servo axes.
Torque, Speed and Power Converter
Quickly check the torque-speed-power relationship for the selected servo motor and drive combination.
Servo Power Cable Cross-Section
Verify the correct cable cross-section for servo power and cabinet wiring based on voltage drop and current-carrying limits.
Technical Documents & CAD
Installation guides, communication manuals and technical datasheets for Digitax HD.
Digitax HD Resource Center
Commissioning software, parameter guides, fieldbus files and CAD data — securely downloadable from a single place.
Catalogs and Guides
Brochure, datasheet, installation guide and control user guide documents for the Digitax HD series.
Digitax HD Product Brochure
Official brochure covering the 40 mm ultra-slim housing, UltraFlow, the compact panel concept and overall product positioning.
Digitax HD Datasheet
Technical datasheet covering variants, current and power ratings, I/O, feedback, STO, EMC, dimensions and ordering codes.
M753 EtherCAT Control User Guide
Detailed user guide for the Digitax HD M753 EtherCAT variant.
M750 EtherNet Control User Guide
Control user guide for the M750 multi-protocol Ethernet variant.
M751 Base Control User Guide
Detailed control guide for the M751 Base drive variant.
M75X Installation & Technical Guide
Installation, power connections, EMC, braking resistors, control terminals and technical application details.
M75X Quick Start Guide
Quick start guide covering initial power-up and basic commissioning steps.
Capacitor Module Installation Sheet
AccessoryInstallation document for the capacitor module accessory that increases DC bus capacitance.
Compact Braking Resistor Installation Sheet
BrakingInstallation sheet for the drive-mountable compact braking resistor accessory.
M754 MCi Control User Guide
MCiUser guide for the M754 MCi machine control variant, focused on motion and machine logic.
SI Option Mounting Kit Installation Sheet
Option KitInstallation document for the SI option module mounting kit.
Fieldbus and Communication Files
Files required for CANopen, EtherCAT, EtherNet/IP, PROFIBUS and PROFINET integration.
CANopen EDS Files
CANopen EDS files required to define the Digitax HD device on the PLC / motion master side.
SI-CANopen V2 User Guide
Installation and communication guide for the SI-CANopen option module.
EtherCAT ESI Files
ESI file package required for device identification in EtherCAT master systems.
SI-EtherCAT User Guide
Installation, mapping and commissioning details for the EtherCAT fieldbus module.
PROFINET GSDML Files
GSDML files for PROFINET device description and PLC integration.
SI-PROFINET V2 User Guide
Configuration and diagnostics guide for the PROFINET fieldbus module.
PROFIBUS GSD Files
GSD files required for PROFIBUS DP integration.
PROFINET Legacy GSDML
GSDMLAlternative GSDML package for legacy projects or systems requiring version compatibility.
SI-Ethernet User Guide
EthernetUser guide for the Ethernet communication module.
SI-Profibus M200 to M400 GSD
PROFIBUSAdditional GSD package for PROFIBUS device definition.
Firmware Packages
Firmware update files for drives and fieldbus modules.
Digitax HD Firmware V01590500
Newer M75x firmware package.
EtherNet / PROFINET Firmware
Update package for the Ethernet and PROFINET communication layer.
SI-EtherCAT Firmware
Firmware file for the SI-EtherCAT option module.
Digitax HD V01240000 M75x
ZIPDownloadable technical file in ZIP format.
MCi2xx Firmware
MCiFirmware package for the MCi motion / machine control module.
SI-Applications Firmware
ApplicationsFirmware package for the SI-Applications module.
SI-CANopen Firmware
CANopenFirmware update for the CANopen option module.
SI-POWERLINK Firmware
POWERLINKFirmware package for the POWERLINK option module.
PC Software
PC tools for commissioning, tuning, tracing, motion programming and cloning.
Connect Installation Package
Main PC tool for commissioning, parameter management, cloning and drive diagnostics.
CTAnalyser 3
Auxiliary PC software for performance analysis and diagnostics.
CTScope
Oscilloscope software for real-time monitoring of drive variables and tuning.
Machine Control Studio
IEC 61131-3 based programming environment for the onboard PLC and machine control.
SYPTPro V02.08.03 Upgrade Installation (1)
Downloadable technical file in ZIP format.
USB Drivers x32 / x64
USB driver package required for PC-to-drive communication.
CAD and Technical Drawings
STEP and DXF files for panel layout, 3D mechanical integration and dimension checks.
Frame 1 STEP Model
3D STEP model package for Digitax HD Frame 1.
Frame 2 STEP Model
3D STEP model package for Digitax HD Frame 2.
Frame 3 STEP Model
3D STEP model package for Digitax HD Frame 3.
Frame 1 DXF Dimension Drawing
DXF file with Frame 1 mechanical dimensions.
Frame 2 DXF Dimension Drawing
DXF file with Frame 2 mechanical dimensions.
Frame 3 DXF Dimension Drawing
DXF file with Frame 3 mechanical dimensions.