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EtherCAT Master Motion Controller with up to 8 Integrated Servo Drives

The MP4Unt Control Module is a modular, configurable control system containing a motion controller, power supply, and drives. It is designed to meet the needs of OEMs with demanding multi-axis motion control applications. Its unique multi-processor architecture leverages powerful profile generation and servo control algorithms to maximize motion system performance. At the same time, its universal servo drive technology allows the system designer to control almost any type of motor or stage. As an EtherCAT master, it is optimized to control any ACS products within the SPiiPlus Platform and any other EtherCAT controller utilizing the DS402 protocol.

Key Specs and Capabilities

Key Specifications

  • Controller Axes: 2, 4, 8, 16, 32, or 64
  • Host PC/PLC/PAC Communication: TCP/IP, EtherCAT, Ethernet/IP, Modbus, RS-232
  • Max EtherCAT Cycle Rate: 5kHz
  • Drive Axes: Up to 8
  • Drive Supply Input: 100-240Vac
  • Bus Voltage: 48 or 96Vdc
  • Max Current Output Per Axis: 13.3/40A
  • Encoder Channels: Max 16 any combination (16 AqB, 16 SinCos, 8 Absolute) with all NanoPWM drives
  • Functional Safety Options: STO
  • Proprietary ACS Feature Options: ServoBoost, NanoPWM, NetworkBoost, MotionBoost, Flexible Configuration


Key Capabilities

  • Controller Application Development
  • Host Application Development
  • Motion Profile Generation
  • Servo Control and Drive Technology
  • Motion-to-Process Synchronization
  • PLC and PAC Integration
  • Machine Safety and Uptime

Technical Resources


MP4Unt Datasheet


MP4Unt CE Self Declaration

MP4Unt UL Electrical Safety

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CAD Files

MP4Unt 3D STEP Model


MP4Unt Installation Guide

EtherCAT DS402 Products User Guide

Software Downloads

SPiiPlus ADK Suite

Additional Links and Downloads

MP4Unt DS402 EtherCAT Slave Information (ESI) File

MP4Unt Bridge EtherCAT Slave Information (ESI) File