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M35N - 8/16 Analog Inputs, 14 Bits

Overview
Technical Data
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Photo

Diagram

Main Features

8/16 current or voltage inputs
14 bits resolution
7.8 µs acquisition/conversion time
Precision better than 0.1 %
Unipolar/bipolar software-selectable
Autoincrement of channel number
External triggering
Optical isolation (500 V)
-40 to +85°C screened versions

Description Open

The M35N is a 14-bit analog M-Module™ for a wide range of standard input requirements such as 16 channels single-ended voltage or current and 8 channels differential voltage or current. The isolated supply voltages are generated by an onboard DC/DC converter, which is also usable in the extended temperature range of -40 to +85°C. A fast A/D converter and auto-incrementation of the multiplexer channel make the M-Module™ ideal for fast sampling. The complete acquisition time of an M35N is 7.8µs and the precision is better than 0.1%. The M35N features totally automatic adjustment of each channel and each input range.

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Technical Data Open

A/D Conversion

14 bits @ 7.8µs

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Precision: depends on M-Module™ settings; see user manual

Noise: depends on M-Module™ settings; see user manual

Programmable gain factor of 1, 2, 4 or 8 (factor 16 by hardware jumpering)

Software-selectable unipolar or bipolar operation

Sample and hold

Autoincrement of channel number

Input Signal Conditioning: 16 inputs

Voltage or Current Inputs
• 16 analog inputs, single-ended
• High input voltage tolerance
• Cross-talk less than 60db
• Low-pass filter 1kHz

Voltage Measurement
• Voltage max.: ±15V
• Voltage full scale: ±10V
• Input resistance: 100 kOhm, ±10%

Current Measurement
• Current max.: ±25mA
• Current full scale: ±20mA, UA = ±1.25V
• Load resistance: 62.5 Ohm, ±0.1%

Input Signal Conditioning: 8 inputs

Voltage or Current Inputs
• 8 analog inputs, differential
• High common mode range ±200V
• Cross-talk less than 60db
• Low-pass filter 3kHz

Voltage Measurement
• Voltage max.: ±200V (common mode)
• Voltage full scale: ±10V
• Input resistance: 400 kOhm typ.

Current Measurement
• Current max.: ±25mA
• Voltage max. to IGND: ±200V
• Input resistance: 62.5 Ohm, ±0.1%

Miscellaneous

External trigger (isolated, rising-edge sensitive)

External binary input

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, IDENT

Electrical Specifications

Isolation voltage:
• 500V DC between isolated side and digital side
• 180V DC between the channels
• 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 voltages/power consumption:
• +5V (4.85V..5.25V), 300mA

MTBF: 198,000h @ 40°C (derived from MIL-HDBK-217F)

Mechanical Specifications

Dimensions: conforming to M-Module™ Standard

Weight: 84g (incl. adapter)

Environmental Specifications

Temperature range (operation):
• 0..+60°C or -45..+85°C
• Airflow: min. 10m³/h

Temperature range (storage): -40..+85°C

Relative humidity (operation): max. 95% non-condensing

Relative humidity (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 Software.

Options

Channels

8 differential or 16 single-ended

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Standard Configurations

Article No.	Channels	Type	Operation Temperature
04M035N00	16 single-ended	voltage	0..+60°C
04M035N01	16 single-ended	current	0..+60°C
04M035N02	8 differential	voltage	0..+60°C
04M035N03	8 differential	current	0..+60°C
04M035N04	16 single-ended	voltage	-40..+85°C
04M035N05	16 single-ended	current	-40..+85°C

Standard M35N Models

Article No.	Description	More
04M035N00	16 analog voltage inputs, DC/DC converter, single-ended, 0..+60°C	Photo
04M035N01	16 analog current inputs, DC/DC converter, single-ended, 0..+60°C
04M035N02	8 analog voltage inputs, DC/DC conveter, differential, 0..+60°C
04M035N03	8 analog current inputs, DC/DC converter, differential, 0..+60°C
04M035N04	16 analog voltage inputs, DC/DC converter, single-ended, -40..+85°C screened
04M035N05	16 analog current inputs, DC/DC converter, single-ended, -40..+85°C screened

Miscellaneous Accessories

Article No.	Description	More
05M000-00	M-Module™ cable, 2m, with 25-pin D-Sub plug/housing to pig tail	Photo
05M000-17	25 mounting screw sets to fix M-Modules™ on carrier boards	Photo

Software

Article No.	Description	More
OS independent
To use MDIS™ low-level drivers, you also need one of the MDIS4™ or MDIS5™ system packages available for Linux, VxWorks®, QNX® or OS-9® (MDIS™ = MEN Driver Interface System).
13M034-06	MDIS5™ low-level driver sources (MEN) for M35N 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.
13M034-70	MDIS4™/2004 / MDIS5™ Windows® driver (MEN) for M35N Requires a compatible MDIS™ system package	Download Details

For operating systems not mentioned here contact MEN sales.

Documentation

Article No.	Description	More
04M035NDS	M35N Data Sheet (PDF)	Download
20M000-00	M-Module™ Draft Specification, Rev. 3.0 (PDF)	Download
20M035N00	M35N User Manual (PDF)	Download