M31 - 16 Binary Inputs

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 Time

14ms (defined by PLD programming)

Miscellaneous

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

A08, D16, INTA, INTB, IDENT

Electrical Specifications

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)

Mechanical Specifications

Dimensions: conforming to M-Module™ Standard

Weight: 67.5g

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

Safety

PCB manufactured with a flammability rating of 94V-0 by UL recognized manufacturers

EMC

Tested according to EN 55022 (radio disturbance), IEC1000-4-2 (ESD) and IEC1000-4-4 (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 Downloads.

Article No.	Description	More
Linux
This product is designed to work under Linux. See below for potentially available separate software packages from MEN.
13M031-06	MDIS5™ low-level driver sources (MEN) for M31, M32 and M82 Requires an MDIS4™/2004 or MDIS5™ system package	Download Details
Windows
This product is designed to work under Windows®. See below for potentially available separate software packages from MEN.
13M031-70	MDIS4™/2004/MDIS5™ Windows® driver (MEN) for M31, M32 and M82 Requires a compatible MDIS™ system package	Download Details
VxWorks
This product is designed to work under VxWorks®. For details regarding supported/unsupported board functions please refer to the corresponding software data sheets.
13M031-06	MDIS5™ low-level driver sources (MEN) for M31, M32 and M82 Requires an MDIS4™/2004 or MDIS5™ system package	Download Details
QNX
This product is designed to work under QNX®. For details regarding supported/unsupported board functions please refer to the corresponding software data sheets.
13M031-06	MDIS5™ low-level driver sources (MEN) for M31, M32 and M82 Requires an MDIS4™/2004 or MDIS5™ system package	Download Details
OS-9
This product is designed to work under OS-9®. For details regarding supported/unsupported board functions please refer to the corresponding software data sheets.
13M031-06	MDIS5™ low-level driver sources (MEN) for M31, M32 and M82 Requires an MDIS4™/2004 or MDIS5™ system package	Download Details

For operating systems not mentioned here contact MEN sales.