M28 - Mezzanine Card with 16 Digital Outputs, High-Side Switching
M-Module
The M28 is an M-Module with 16 digital high-side switching outputs that connect or disconnect a load on ground. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.
Main Features
Technical Data
- Load on ground
- Thermal and short circuit protection
- Output Voltage: 8 V to 36 V; 500 mA (closed)
- Output Voltage: 2 V max.; 10 µA max. (open)
- Output Current: 500 mA max. (per channel)
- Output Current: No derating
- Digital I/O
- 16x digital output, isolated, D-Sub, 25-pin, receptacle
- 16x digital output, isolated, board to board
- M-Module
- 1x A08/D16/IDENT, board to board
- Supply voltage
- +5 V (-3%/+5%)
- Power consumption
- 0.5 W typ.
- Isolation voltage:
- 500V 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
- Dimensions standard: M-Module: (W) 149 mm, (D) 53 mm
- Weight: 82 g
- Operating temperature
- 0°C to +60°C
- Industrial temperature range on request
- Airflow: min. 10m³/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
- EN 55022 (radio disturbance)
- IEC 61000-4-2 (ESD)
- IEC 61000-4-4 (burst)
- MEN Driver Interface System (MDIS for Windows, Linux, VxWorks, QNX)
- For more information on supported operating system versions and drivers see Software.
Ordering Information
16 digital high-side switching outputs, 0°C to +60°C
Software

MDIS5 low-level driver sources (MEN) for M27, M28 and M81
MDIS5 System (and Device Driver) Package (MEN) for Linux.
This software package includes most standard device drivers available from MEN.

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

MDIS5 low-level driver sources (MEN) for M27, M28 and M81
MDIS5 System (and Device Driver) Package (MEN) for VxWorks. This software package includes most standard device drivers available from MEN.

MDIS5 low-level driver sources (MEN) for M27, M28 and M81
MDIS4 system (and device driver) package (MEN) for QNX, source code. This software package includes most standard device drivers available from MEN.