Log in/Register News & Media | Downloads | Corporate | Careers | Contact Request
+49 911 99 33 5-0

M32 - Mezzanine Card with 16 Binary Source Inputs


The M32 is an M-Module with 16 digital high-side switch outputs that connect or disconnect a load to a supply voltage. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.

Download data sheet

  • M32 Product ImageM32 16 Digital (Binary) Inputs
  • M32 Product Image

Main Features

  • 16 inputs 5 V to 180 V
  • Constant current inputs
  • Debouncing circuit
  • Interrupt generation
  • Load on supply voltage
  • Optical isolation
  • -40°C to +85°C with qualified components
M32 Product Image

Technical Data

Digital Inputs
  • Input load on supply voltage
  • FET constant current source inputs
  • Input voltage ranges:
    • 5 V to 40 V; 2.5 mA to 3.5 mA (high level)
    • 5 V to 180 V (M-Module version for extended temperature range)
    • 0 V to 1 V; 0 mA to 0.2 mA (low level)
  • Switching time for input change: 3 µs typ.
Debouncing Time
14 ms (defined by PLD programming)
  • Debouncing circuit
  • Interrupt generation with maskable interrupt
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
  • Supply voltage
    • +5 V (4.85 V to 5.25 V)
  • Power consumption
    • 50 mA typ.
  • Isolation voltage
    • 500 V DC between isolated side and digital side
    • Voltage between the connector shield and isolated ground is limited to 180V using a varistor; AC coupling between connector shield and isolated ground through 47nF capacitor
Mechanical Specifications
  • Dimensions: conforming to M-Module Standard
  • Weight: 67.5 g
Environmental Specifications
  • Temperature range (operation)
    • 0°C to +60°C, or
    • -40°C to +85°C
    • Airflow: min. 10m³/h
  • Temperature range (storage): -40°C to +85°C
  • Relative humidity range (operation): max. 95% non-condensing
  • Relative humidity range (storage): max. 95% non-condensing
  • Altitude: -300 m to +3000 m
  • Shock: 15 g / 11 ms
  • Bump: 10 g / 16 ms
  • Vibration (sinusoidal): 2 g / 10 Hz to 150 Hz
  • Conformal coating on request
MTBF: 300 000 h @ 50°C (derived from MIL-HDBK-217F)
Flammability (PCBs)
  • UL 94 V-0
Tested according to EN 55022 (radio disturbance), IEC 61000-4-2 (ESD) and IEC 61000-4-4 (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 M32 Models

16 binary source inputs, 0..+60°C

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 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 M31, M32 and M82


MDIS5 low-level driver sources (MEN) for M31, M32 and M82


MDIS5 low-level driver sources (MEN) for M31, M32 and M82


MDIS5 low-level driver sources (MEN) for M31, M32 and M82

Contact Request! Use this form to get the fastest possible reply.
Please make sure to fill out the complete form, so we can provide quick and specific support.
Your request will be sent to our sales team.

Your information will not be shared!

* required fields

Your Request

Your Contact Data

Please type in the letters and/or numbers that you see in the image on the left (case-sensitive).