IBM AR-B3001 Manuel utilisateur

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CHAPTER 1 INTRODUCTION

1.1 GENERAL DESCRIPTION

The AR-B3001 is a low cost, high accuracy, low noise,

low drift A/D interface boards for the IBM PC/XT/AT and

their compatibles. It is half-length boards that install

internally in an expansion slot of an IBM Personal

Computer to turn the computer into an inexpensive, high-

precisioninstrumentfortemperature,humidity,pressure,

flow and level etc.. The AR-B3001 is constructed with a

12-bit (plus polarity bit) dual-slop integrating A/D

converter. It can be operated with 16 single-ended or 8

differential analog inputs. The analog input range of AR-

B3001 is -5V to +5V.

A complete software utility containing demo programs,

Assembly, Basica, and C drivers are furnished with the

board to minimize user's effort on application software

development. All the driver routines are provided with

source programs and can be modified to suit your

applications.

Block diagram of AR-B3001 is shown in figure 1-1.

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Figure 1-1 AR-B3001 Functional Block Diagram

1.2 FEATURES

Inexpensive, half-size analog input board for IBM

PC/XT/AT and their compatibles.

16 single-ended or 8 differential inputs.

Maximum throughput 30 Hz.

Resolution : 12-bit and a sign bit.

+5V to -5V input range.

Assembly, C, and Basica drivers included.

Easy to use.

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1.3 ORDERING INFORMATION

Followings list and describe part number of the AR-

B3001 board and its accessories.

Part Number Description

AR-B3001 16 channel analog input card

with user’s manual

AR-B9006 34-pin screw terminal board for

AR-B3001 with 0.6m flat cable

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CHAPTER 2 INSTALLATION

This chapter provides instructions for installing the AR-

B3001 in an IBM PC/XT/AT and compatibles.

2.1 SWITCHE, JUMPER AND CONNECTOR

There is one DIP switch and one jumper on the AR-

B3001. This section describes functional use of the

switch and jumper. It also provides a description of the

input connector. Figure 2-1 shows the location of each

switch, jumper, and connector for AR-B3001. Table 2-1

list the functions of jumper, switch, variable resistors and

connector shown in Figure 2-1.

Legend Description

DIP SW I/O Port Base Address

JP1 Differential/Single-Ended Selection

JP7 Reserved

VR1 Fine Adjustment of Full-Scale

VR2 Rugged Adjustment of Full-Scale

VR3 Reserved

VR4 Offset Adjustment

VR5 Common Mode Rejection Ratio Adjustment

J2 Input Connector

Table 2-1

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Figure 2-1 Board Layout of AR-B3001

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2.1.1 Base Address Settings

There is one DIP switch located on the AR-B3001 card.

It is used to select the base port address of the AR-

B3001. The operation of AR-B3001 is controlled through

the I/O ports. Four consecutive I/O ports are used by AR-

B3001. The base address of these I/O ports is selected

by using base address switch DIP SW. The AR-B3001 is

factory-configured for a base address of 3e0 Hex. If this

base address is already occupied, you will need to

change the base address switch setting. It is essential

that each peripheral device, such as an AR-B3001, be

assigned a unique base address within the range of 200

to 3fc Hex and that the address is on a 4-byte boundary.

Figure 2-2 shows the base address switch.

12345678

DIP SW

A2 A3 A4 A5 A6 A7 A8 A9

Figure 2-2. Base Address Switch

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Use the following table to select an AR-B3001 base port

address.

DIP SW ADDRESS ADDRESS VALUE

LINE Hex. Dec.

Switch 1 A2 4 4

Switch 2 A3 8 8

Switch 3 A4 10 16

Switch 4 A5 20 32

Switch 5 A6 40 64

Switch 6 A7 80 128

Switch 7 A8 100 256

Switch 8 A9 200 512

Address = 200*A9 + 100*A8 + 80*A7 + 40*A6 + 20*A5

+ 10*A4 + 8*A3 + 4*A2 (Hex)

-or-

Address = 512*A9 + 256*A8 + 128*A7 + 64*A6 + 32*A5

+ 16*A4 + 8*A3 + 4*A2 (Dec)

A9....A2 = 0 If switch is ON.

A9....A2 = 1 If switch is OFF.

Note: Setting the switch to the "ON" position indicates a

logical "0" and setting the switch to the "OFF"

position indicates a logical "1".

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Use the following table as an aid for selecting an

unoccupied address.

HEX RANGE DEVICE

00-FF Reserved For System

170-178 Fixed Disk 1

1F0-1F8 Fixed Disk 0

201 Game Port

208-20A EMS Register 0

218-21A EMS Register 1

278-27F Parallel Printer Port 3 (LTP3)

2E8-2EF Serial Port 4 (COM4)

2F8-2FF Serial Port 2 (COM2)

300-31F Prototype Card/Streaming Type Adapter

378-37F Parallel Printer Port 2 (LTP 2)

380-38F SDLC, Bisynchronous 2

3A0-3AF Bisynchronous 1

3B0-3BF Monochrome Display and Parallel Printer

Port 1 (LPT1)

3C0-3CF EGA/VGA Adapter

3D0-3DF Color/Graphics Monitor Adapter

3E8-3EF Serial Port 3 (COM3)

3F0-3F7 Diskette Controller

3F8 3FF

S i l P t 1 (COM1)

Table 2-2. IBM PC I/O Address Map

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2.1.2 Channel Configuration Jumper

The JP1 is used to select whether 16 single-ended or 8

differential analog input channels are to be used. To

select eight differential input channels, move the jumpers

to the right side. Likewise, to select 16 single-ended

analog input channels, move the jumpers to the left side

as shows in Figure 2-3.

JP1

Differential

JP1

Single-ended

(Factory preset)

Figure 2-3 Channel Configuration Jumper

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