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

M47 - Mezzanine Card with SSI Controller


The M47 is an M-Module with an Serial Synchronous Interface for connection of up to 4 sensors to optically isolated SSI outputs. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.

Download data sheet

  • M47 Product ImageM47 SSI Controller
  • M47 Product Image

Main Features

  • 4-channel 32-bit SSI
  • Serial Synchronous Interface
  • RS422A interface
  • Automatic communication
  • RAM-like double buffer user interface
  • Gray/binary decoding for each channel
  • Line-break detection
  • Absolute value data input
  • External Baud rate possible
  • Optical isolation for each channel
  • -40 to +85°C screened versions
M47 Product Image

Technical Data

SSI Interface
  • 4-channel Serial Synchronous Interface (SSI)
  • Optical isolation
  • RS422A interface
Data Transmission
  • Baud rate
    • 62.5 kbaud, 125 kbaud, 250 kbaud, 500 kbaud
    • Programmable for each channel
  • Word length
    • 1..32 bits
    • Programmable for each channel
16-byte RAM-like double buffer user interface
  • 4 RS422 ports, optically isolated
  • Supply voltage for external sensors etc.: 5V (±10%), 400mA max. all channels summed up
  • Automatic communication
  • Gray and binary decoding, programmable for each channel
  • Sensor connection detection
  • Interrupt triggering on a new data transmission
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 between M-Module interface and external sensor interface
    • Voltage between the connector shield and sensor interface is limited to 180V using a varistor; AC coupling between connector shield and sensor interface through 10nF capacitor
  • Supply voltage/power consumption: +5V (4.85V..5.25V), 150mA without external sensors connected, max. 850mA with 4 sensors connected
  • MTBF: 33,000h @ 50°C (derived from MIL-HDBK-217F)
Mechanical Specifications
  • Dimensions: conforming to M-Module Standard
  • Weight: 60g
Environmental Specifications
  • Temperature range (operation):
    • 0..+60°C or -40..+85°C
    • 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), 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 M47 Models

Synchronous Serial Interface (SSI), 0..+60°C


M47, M-Module, Synchronous Serial Interface (SSI), -40..+85°C screened

This product can be ordered until 2017-04-02
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



MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M47


MDIS4/2004 / MDIS5 Windows driver (MEN) for M47


MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M47


MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M47


MDIS4/2004 / MDIS5 low-level driver sources (MEN) for M47

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).