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MC4Unt EtherCAT Master Motion Controller
Up to 8 Axis Universal or NanoPWM Drive Module

The MC4Udc is a modular, configurable multi-axis drive system consisting of a drive controller, power supply, and drives. It is designed to meet the needs of OEMs with demanding multi-axis motion control applications. Controllable by any ACS SPiiPlus Platform EtherCAT master, the MC4Udc leverages powerful 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.

Key Specs and Capabilities

Key Specifications

  • Drive Axes: Up to 8
  • Drive Supply Input: 85-400 Vac (range depends on supply module selected)
  • Bus Voltage: 24-320Vdc (value depends on supply module selected)
  • Max Current Per Axis: 45/90 A up to 4 axes, 20/40 A up to 8 axes
  • Encoder Channels: Max 8 any combination (8 AqB, 8 SinCos, 4 Absolute)
  • Enclosure Widths: 9, 11, 19, or 22 inch
  • Functional Safety Options: STO
  • Proprietary ACS Feature Options: ServoBoost, NanoPWM


Key Capabilities

  • Servo Control and Drive Technology
  • Motion-to-Process Synchronization
  • Machine Safety and Uptime

Technical Resources


MC4Udc Controllers Datasheet

MC4Udc LDM Datasheet

MC4Udc PS Datasheet

MC4Udc PWM Datasheet


MC4Udc UL Certificate of Conformity

MC4Udc CE Certificate of Conformity

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CAD Files

MC4U 9 inch 3D STEP Model

MC4U 11 inch 3D STEP Model

MC4U 19 inch 3D STEP Model

MC4U 22 inch 3D STEP Model


MC4U Installation Guide

LDM3U Installation Guide

Software Downloads

SPiiPlus ADK Suite