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AOB2-P

INDUSTRIAL COMPUTER SOURCE

AOB2-P

Card Type

Analog to digital converter

I/O Options

parallel port

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

25-pin connector

J1

OUTPUT RANGE SELECTION

Function

S2

S3

0V - +5V

Pins 1 & 2 closed

Pins 1 & 2 closed

0V - +10V

Pins 2 & 3 closed

Pins 2 & 3 closed

-5V - +5V

Pins 1 & 2 closed

Pins 1 & 2 closed

-10V - +10V

Pins 2 & 3 closed

Pins 2 & 3 closed

+mA - 20mA

Pins 1 & 2 closed

Pins 1 & 2 closed

Note: Output range may be alternatively be selected using the I/O connector whose location is unidentified.

BASE I/O ADDRESS SELECTION

Setting

S2/1

S2/2

S2/3

S2/4

S2/5

S2/6

S2/7

 

000h

On

On

On

On

On

On

On

 

018h

Off

Off

On

On

On

On

On

 

038h

Off

Off

Off

On

On

On

Off

 

100h

On

On

On

On

On

Off

On

 

200h

On

On

On

On

On

On

Off

300h

On

On

On

On

On

Off

Off

 

380h

On

On

On

On

Off

Off

Off

 

3C0h

On

On

On

Off

Off

Off

Off

 

3E0h

On

On

Off

Off

Off

Off

Off

 

3F0h

On

Off

Off

Off

Off

Off

Off

 

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. S2/7 is the Most Significant Bit and switch S2/1 is the Least Significant Bit. The switches have the following decimal values: S2/7=512, S2/6=256, S2/5=128, S2/4=64, S2/3=32, S2/2=16, S2/1=8. Turn off the switches and add the values of the switches to obtain the correct memory address. (Off=1, On=0)

MISCELLANEOUS TECHNICAL NOTES

Pin 1 placements for S2 and S3 may vary on your card, but the orientation remains the same.