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MEN 04M036N01 Скачать руководство пользователя страница 18

Input Conditioning

MEN Mikro Elektronik GmbH

18

20M036N00 E2 – 2009-07-27

3.2

Single-Ended Acquisition (Current/Voltage)

A standard M-Module version for 16 single-ended channels is available (see MEN’s

). The input voltage range is adjusted to ±10V for full scale and the second-

order lowpass filter limits the input frequencies to 1kHz (can be changed on
request).

The current measurement version has a 62.5-

Ω

shunt installed for full scale at

±20mA. The gain factor selected by software must be 8!

For each individual channel, space is provided for mounting discrete components,
such as resistors and trimmers, shunt resistors, voltage dividers or filter components.

Figure 1.

Block diagram of single-ended input

The following tables give the standard pin assignments for single-ended versions.

Table 2.

16 single-ended inputs: pin assignment of 25-Pin D-Sub receptacle connector

1

I0

14

I8

2

I1

15

I9

3

I2

16

I10

4

I3

17

I11

5

I4

18

I12

6

I5

19

I13

7

I6

20

I14

8

I7

21

I15

9

BI

22

TRIG

10

IGND

23

-

11

IGND

24

-

12

IGND

25

-

13

IGND

Buffer

Filter

Multiplexer

16

1

14

13

25

«
...
16
17
18
19
20
...
»

Содержание 04M036N01

Страница 1: ...Embedded Solutions M36N 8 16 Analog Inputs 16 Bits 20M036N00 E2 2009 07 27 User Manual Configuration example...

Страница 2: ...features totally automatic adjustment of each channel and each input range The FPGA implemented on the M36N controls the signal conditioning and in addition offers space for application specific funct...

Страница 3: ...uts 16 analog inputs single ended High input voltage tolerance Cross talk less than 56db Low pass filter 1kHz Voltage Measurement Precision 0 05 Voltage max to IGND 15V a higher voltage could destroy...

Страница 4: ...le 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 500V DC between shield an...

Страница 5: ...ump 10g 16ms Vibration sinusoidal 2g 10 150Hz Conformal coating on request Safety PCB manufactured with a flammability rating of 94V 0 by UL recognized manu facturers EMC Tested according to EN55011 E...

Страница 6: ...ram M Module Interface M Module ID EEPROM D08 D16 A08 INTA Isolation A D A Pregain Signal Conditioning DC DC FPGA SPI Signal Start up Configuration Reloadable FPGA Code Binary Input External Trigger C...

Страница 7: ...defined functions Nios soft core implementation possible With up to 32MB SDRAM and up to 6MB non volatile memory For intelligent data pre processing or additional functions like noise shaping Please...

Страница 8: ...ons whenever you work on your computer Power down and unplug your computer system when working on the inside Hold components by the edges and try not to touch the IC chips leads or cir cuitry Use a gr...

Страница 9: ...xadecimal numbers listings C function descriptions or wherever appropriate Hexadecimal numbers are preceded by 0x Hyperlinks are printed in blue color The globe will show you where hyperlinks lead dir...

Страница 10: ...the product ESM ESMini MDIS MDIS4 MENMON M Module M Modules SA Adapter SA Adapters UBox USM and the MBIOS logo are trademarks of MEN Mikro Elektronik GmbH PC MIP is a registered trademark of MEN Micro...

Страница 11: ...on Pin Assignment 17 3 2 Single Ended Acquisition Current Voltage 18 3 3 Differential Acquisition Current Voltage 20 3 4 Special Acquisition 22 4 Address Organization 23 5 Functional Description 24 5...

Страница 12: ...7 Figures Figure 1 Block diagram of single ended input 18 Figure 2 Block diagram of the differential input 20 Figure 3 Reading data 29 Figure 4 Position of fuse on M36N 31 Figure 5 Labels giving the b...

Страница 13: ...pin carrier board connector 19 Table 5 16 single ended inputs signal mnemonics of peripheral connectors 19 Table 6 8 differential inputs pin assignment of the 25 pin D Sub receptacle connector 21 Tabl...

Страница 14: ...t the carrier board If O K power down the system and remove the carrier board Install the M Module in slot 0 of the carrier board Insert the carrier board into the system again Power up the system Loa...

Страница 15: ...available for ribbon cable insulation piercing connection hand soldering connection or crimp con nection Note For the M36N to pass the radio disturbance test according to EN55022 shielded cables have...

Страница 16: ...36N Table 1 Supported pins of 60 pin plug connector on carrier board Connector types Three 20 pin receptacles high precision 2 54mm pitch for square pins 0 635mm gold 6 9mm height Mating connector Thr...

Страница 17: ...d at about 1kHz for differential input and at about 3kHz for single ended input 3 1 Notes on Pin Assignment Pin TRIG can be used to trigger the start of external conversion Channel and gain will not b...

Страница 18: ...ull scale at 20mA The gain factor selected by software must be 8 For each individual channel space is provided for mounting discrete components such as resistors and trimmers shunt resistors voltage d...

Страница 19: ...nics of peripheral connectors 23 IGND 24 21 IGND 22 IGND 19 20 17 I7 18 BI 15 I6 16 I15 13 I5 14 I14 11 I4 12 I13 9 I3 10 I12 7 I2 8 I11 5 I1 6 I10 3 I0 4 I9 1 TRIG 2 I8 A B C 1 TRIG I8 I0 2 I9 I1 I10...

Страница 20: ...andle signals within the supply voltage range The problem is best illustrated by a simple example Imagine you wish to measure the voltage and current of a 24V power supply If you install a resistor di...

Страница 21: ...respondence between 24 pin M Module connector and 96 pin carrier board connector 1 I0 14 I0 2 I1 15 I1 3 I2 16 I2 4 I3 17 I3 5 I4 18 I4 6 I5 19 I5 7 I6 20 I6 8 I7 21 I7 9 BI 22 TRIG 10 IGND 23 11 IGND...

Страница 22: ...the M Module to provide low cost user defined input circuits Please contact MEN or your distributor MEN also offers an evaluation adapter card See MEN s website Signal Direction Function BI in Binary...

Страница 23: ...ions can be addressed from the carrier board is computed from the base address of the M Module plus the address in the following table Table 10 Address map In order to ensure proper functioning of the...

Страница 24: ...verter shifts out the digital information the configuration channel number gain etc from the FPGA is transferred to the isolated analog circuit Every configuration channel gain and mode is calibrated...

Страница 25: ...ues can be amplified by a factor of between 1 and 16 by means of the instrumentation preamplifier All stages can be programmed by software Channel selection logic supports a multiplexer input PCB The...

Страница 26: ...r configuration and so on up to element no 15 which uses 0x1E 0x3F and 0x5F Data Register 0x00 0x1E read In the Data Register the converter data is stored The user can read the values at any time A do...

Страница 27: ...interrupt is enabled an interrupt is generated when bit IRQ is reset IRQ This bit is set to 0 every time the internal address pointer points to data element 0 In order to identify the end of a measuri...

Страница 28: ...ent of the buffer However you can also assign all data elements to only one input channel Example In order to be able to use all data elements you have to write to the Address Registers as follows The...

Страница 29: ...with Interrupt The procedure is the same as described in chapter 5 4 2 but you have to keep in mind that the IRQ bit determines the state of the IRQ line of the M Module which goes to 1 only when the...

Страница 30: ...he M Module is supplied with an identification EEPROM in accordance with the M Module specification M Module Identification Register 0xFE read write 15 8 7 3 2 1 0 CS CLK DATA CS Chip select 1 Chip se...

Страница 31: ...cted by a fuse This fuse is not intended to be exchanged by the customer Your warranty for the M36N will cease if you exchange the fuse on your own Please send your board to MEN for repair if a fuse b...

Страница 32: ...may describe several different models and or hardware revisions of the M36N You can find information on the article number the board revision and the serial number on two labels attached to the board...

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