Log in News & Media | Downloads | Corporate | Careers | Legal Notes
(215) 542-9575

M54 - DC Motor Controller


The mezzanine card M54 is a motor controller M-Module that is suited for all types of motors that have a ±10V DC control input.

Download data sheet

  • M54 Product ImageM54 DC Motor Controller
  • M54 Product Image

Main Features

  • 1 LM628 supported channel
  • For every motor type with ±10 V control input
  • Position and velocity operation
  • Quadrature incremental encoder interface
  • PID values programmable
  • RS422 or TTL, ±10 V, 1 relay output
  • Additional binary I/O
  • Optical isolation
  • Not conforming to RoHS
M54 Product Image

Technical Data

LM628 Motor Controller
  • LM628 precision motor controller
  • 32-bit position, velocity and acceleration registers
  • 256µs control-loop update time
  • Programmable digital PID filter with 16-bit coefficients
  • Operating modes: position and velocity
  • Position feedback interface
    • Incremental encoder
    • Quadrature signals with optional index
    • RS422 or TLL signal level
Motor Interface
  • Optically isolated from all other parts
  • ±10V analog output
  • Resolution: 12 bits, ±2 LSB
Quadrature Incremental Encoder Interface
  • Index pulse
  • RS422 or TTL signal level
  • Line break monitor
  • Plausibility check for glitch detection
Binary I/O
  • I/O controller Zilog Z8536
  • Optically isolated from all other parts
  • Supply: 12..36V, 50mA typ.
  • Binary inputs:
    • 8 inputs connected to port A of Z8536 (6 inputs digitally debounced)
    • Switching voltage: 1.2V nominal
    • Input frequency: I0/I1 max. 125Hz, I2..I7 max. 50Hz
    • Input resistance: 12 kOhm, ±10%
  • Binary outputs:
    • 2 outputs connected to port B of the Z8536
    • Protected highside outputs (BTS412)
    • Switching current: Imax = -1A
    • Overload protection: Imax = -10A typ.
Peripheral Connections
  • Via front panel on a shielded 25-pin D-Sub receptacle connector
  • Via carrier board (rear I/O)
M-Module Characteristics
Electrical Specifications
  • Isolation voltage:
    • 500V DC from M-Module interface
    • 100V DC from binary I/O
    • 100V DC from motor interface
  • Supply voltage/power consumption: +5V (4.85V..5.25V), 1A typ.
  • MTBF: tbd. (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: conforming to M-Module Standard
  • Weight: 108g
Environmental Specifications
  • Temperature range (operation):
    • 0..+60°C
    • Industrial temperature range on request
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40..+85°C
  • Relative humidity range (operation): max. 95% non-condensing
  • Relative humidity range (storage): max. 95% non-condensing
  • Altitude: -300m to + 3,000m
  • Shock: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10..150Hz
  • Conformal coating on request
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
Tested according to EN 55022 (radio disturbance), IEC1000-4-2 (ESD) and IEC1000-4-4 (burst)
Software Support
  • MEN Driver Interface System (MDIS for Windows, Linux, VxWorks, QNX, OS-9)
  • For more information on supported operating system versions and drivers see Software.

Ordering Information

Standard M54 Models

DC-motor controller with binary I/O, 0..+60°C, no RoHS

Miscellaneous Accessories

M-Module cable, 2m, with 25-pin D-Sub plug/housing to pig tail


25 mounting screw sets to fix M-Modules on carrier boards



MDIS5 low-level driver sources (MEN) for M54


MDIS5 System (and Device Driver) Package (MEN) for Linux. This software package includes most standard device drivers available from MEN.


MDIS4/2004/MDIS5 Windows driver (MEN) for M54


MDIS5 low-level driver sources (MEN) for M54


MDIS5 low-level driver sources (MEN) for M54


MDIS5 low-level driver sources (MEN) for M54