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12/14/16-BIT A/D-D/A CARD

DECISION COMPUTER INTERNATIONAL CO., LTD.

12/14/16-BIT A/D-D/A CARD

Card Type

Data acquisition

Chipset

Signal Processing Technologies HADC674Z

I/O Options

Analog/digital I/O

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Analog/digital I/O (see pinout below)

CN1

Analog-to-digital voltage

VR3

Digital-to-analog channel 0 voltage

VR1

Analog-to-digital sampling and hold

VR4

Digital-to-analog channel 1 voltage

VR2

Analog-to-digital gain

VR5

Note:VR5 may not be present on all boards.

J1 PINOUT

Function

Pin

Function

Pin

Analog-to-digital negative channel 0

1

Analog-to-digital positive channel 0

20

Analog-to-digital negative channel 1

2

Analog-to-digital positive channel 1

21

Analog-to-digital negative channel 2

3

Analog-to-digital positive channel 2

22

Analog-to-digital negative channel 3

4

Analog-to-digital positive channel 3

23

Analog-to-digital negative channel 4

5

Analog-to-digital positive channel 4

24

Analog-to-digital negative channel 5

6

Analog-to-digital positive channel 5

25

Analog-to-digital negative channel 6

7

Analog-to-digital positive channel 6

26

Analog-to-digital negative channel 7

8

Analog-to-digital positive channel 7

27

Analog-to-digital negative channel 8

9

Analog-to-digital positive channel 8

28

Analog-to-digital negative channel 9

10

Analog-to-digital positive channel 9

29

Analog-to-digital negative channel 10

11

Analog-to-digital positive channel 10

30

Analog-to-digital negative channel 11

12

Analog-to-digital positive channel 11

31

Analog-to-digital negative channel 12

13

Analog-to-digital positive channel 12

32

Analog-to-digital negative channel 13

14

Analog-to-digital positive channel 13

33

Analog-to-digital negative channel 14

15

Analog-to-digital positive channel 14

34

Analog-to-digital negative channel 15

16

Analog-to-digital positive channel 15

35

Channel 1 voltage measurement

17

Channel 1 current measurement

36

Channel 0 voltage measurement

18

Channel 0 current measurement

37

Voltage/current measurement common

19

   

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Factory configured - do not alter

JP3

Unidentified

Analog-to-digital voltage is 0V to 10V

JP4

Pins 3 & 4 closed

 

Analog-to-digital voltage is -10V to 10V

JP4

Pins 1 & 2 closed

Digital-to-analog channel 0 voltage is 0V to 10V

JP6

Pins 3 & 4 closed

 

Digital-to-analog channel 0 voltage is -10V to 10V

JP6

Pins 1 & 2 closed

Digital-to-analog channel 1 voltage is 0V to 10V

JP7

Pins 3 & 4 closed

 

Digital-to-analog channel 1 voltage is -10V to 10V

JP7

Pins 1 & 2 closed

Factory configured - do not alter

SW1/8

On

SAMPLING AND HOLD VOLTAGE

Setting

JP1

JP2

JP5

Fixed

Pins 1 & 2 closed

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Set by VR4

Pins 2 & 3 closed

Pins 2 & 3 closed

Pins 2 & 3 closed

BASE I/O ADDRESS

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

000h

On

On

On

On

On

On

On

008h

On

On

On

On

On

On

Off

010h

On

On

On

On

On

Off

On

018h

On

On

On

On

On

Off

Off

020h

On

On

On

On

Off

On

On

3D8h

Off

Off

Off

Off

On

Off

Off

3E0h

Off

Off

Off

Off

Off

On

On

3E8h

Off

Off

Off

Off

Off

On

Off

3F0h

Off

Off

Off

Off

Off

Off

On

3F8h

Off

Off

Off

Off

Off

Off

Off

Note:A total of 128 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/7 is the Least Significant Bit. The switches have the following decimal values: SW1/1=512, SW1/2=256, SW1/3=128, SW1/4=64, SW1/5=32, SW1/6=16, SW1/7=8. Turn off the switches and add the values of the switches that are off to obtain the correct address. (Off=1, On=0)

DIAGNOSTIC LED(S)

The function of the LED is unidentified.