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M81 - Mezzanine Card with 16 Digital Opto-Relay Outputs

M-Module

The M81 is an M-Module with 16 fully isolated digital output channels that can switch DC as well as AC voltages and can also be used for analog signals. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.

  • M81 Product ImageM81 16 Digital Outputs
  • M81 Product Image

Main Features

  • 16 opto-relay outputs
  • 0 V to 36 V output voltage per channel
  • 500 mA output current per channel
  • Thermal and short-circuit protection
  • 500 V DC isolation from the system
  • 100 V DC isolation between the channels
  • -40 °C to +85 °C
M81 Product Image

Technical Data

Digital Output Characteristics
  • Output Voltage: 0 V to 36 V
  • Output Current: 500 mA max. per channel
  • Switching Times
    • Turn-on time: 700 µs typ.
    • Turn-off time: 40 µs typ.
  • Thermal and short circuit protection
  • Outputs are designed for AC and DC operation
Interfaces
  • Digital I/O
    • 16x digital output, isolated, HD-Sub, 44-pin, receptacle
  • M-Module
    • 1x A08/D16/IDENT, board to board
Product Standard
M-Module: ANSI/VITA 12-1997 (S2012)
Electrical Specifications
  • Supply voltage
    • +5 V (-3%/+5%)
  • Power consumption
    • 1.65 W max.
  • Isolation voltage:
    • 500V DC between isolated side and digital side
    • All channels are optically isolated
Mechanical Specifications
  • Dimensions standard: M-Module: (W) 149 mm, (D) 53 mm
  • Weight: 72 g
Environmental Specifications
  • Operating temperature
    • 0°C to +60°C or -40°C to +85°C
    • Airflow: min. 10 m³/h
  • Storage temperature: -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: 15g/11ms
  • Bump: 10g/16ms
  • Vibration (sinusoidal): 2g/10 Hz to 150 Hz
Safety
PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers
EMC
  • EN 55022 (radio disturbance)
  • IEC 61000-4-2 (ESD)
  • IEC 61000-4-4 (burst)
Reliability
MTBF: 1 200 000h @ 40°C (derived from MIL-HDBK-217F)
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 M81 Models
04M081-00

16 digital outputs, fully isolated, -40°C to +85°C with qualified components

Miscellaneous Accessories
05M000-14

M-Module cable, 2.5m, with 44-pin HD-Sub plug/housing to pig tail

05M000-17
05M000-17

25 mounting screw sets to fix M-Modules on carrier boards (3 different screw types, 50 pieces each)

Software

Linux
13MD05-90

The MDIS5 system package includes most standard device drivers for Linux available from MEN.

Windows
13M027-70

MDIS4/2004 / MDIS5 Windows driver (MEN) for M27, M28 and M81

VxWorks
13MD05-60

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

QNX
13M000-15

MDIS4/2004 system (and device driver) package (MEN) for QNX, source code. This software package includes most standard device drivers available from MEN.

OS-9
13M027-06

MDIS5 low-level driver sources (MEN) for M27, M28 and M81

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