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M31 - Mezzanine Card with 16 Digital Inputs, High-Side Switching
M-Module
The M31 is an M-Module with 16 digital high-side switch inputs that connect or disconnect a load to ground. It is designed for industrial automation, medical computers, in-vehicle computers, and embedded computers in transportation.
M31 16 Binary Inputs
Main Features
- 16 inputs 0 V to 155 V
- Constant current inputs
- Debouncing circuit
- Interrupt generation
- Load on ground
- Optical isolation
- -40 °C to +85 °C
Technical Data
- Input load on ground
- FET constant current source inputs
- Input voltages and currents:
- 5..40V; 2.5..3.5mA (high level)
- 5..180V (M-Module version for extended temperature range)
- 0..1V; 0..0.2mA (low level)
- Switching time for input change: 3µs typ.
- Debouncing circuit
- Interrupt generation with maskable interrupt
- Via front panel on a shielded 25-pin D-Sub receptacle connector
- Via carrier board (rear I/O)
- 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
- Supply voltage/power consumption: +5V (4.85V..5.25V), 50mA typ.
- MTBF: 300,000h @ 50°C (derived from MIL-HDBK-217F)
- Dimensions: conforming to M-Module Standard
- Weight: 67.5g
- 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
- 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
16 binary sink inputs, 0..+60°C
16 binary sink inputs, -40..+85°C with qualified components
M-Module cable, 2 m, with 25-pin D-Sub plug/housing to pig tail
25 mounting screw sets to fix M-Modules on carrier boards (3 different screw types, 50 pieces each)
Software
Linux The MDIS5 system package includes most standard device drivers for Linux available from MEN.
Windows MDIS4/2004 / MDIS5 Windows driver (MEN) for M31, M32 and M82
VxWorks MDIS5 System (and Device Driver) Package (MEN) for VxWorks. This software package includes most standard device drivers available from MEN.
QNX 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 MDIS5 low-level driver sources (MEN) for M31, M32 and M82