BlueChip AIP-8d Manuale utente
AIP-8d
8 Channel Analogue
Input Board
User Manual
AIP-8d
User Manual
Document Part N°127-1004.doc
Document Reference AIP-8d\..\127-1004.doc
Document Issue Level 2.0
Manual covers PCBs identified AIP-8d Rev. C
All rights reserved. No part of this publication may be reproduced, stored in any retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopied, recorded or
otherwise, without the prior permission, in writing, from the publisher. For permission in the UK
contact Blue Chip Technology.
Information offered in this manual is correct at the time of printing. Blue Chip Technology accepts
no responsibility for any inaccuracies. This information is subject to change without notice.
All trademarks and registered names acknowledged.
Blue Chip Technology Ltd.
Chowley Oak, Tattenhall
Chester, Cheshire
CH3 9EX.
Telephone : 01829 5772000 Facsimile : 01829 772001.
Amendment History
Issue
Level Issue
Date Author Amendment Details
1.0 10/08/95 EGW First approved issue, new front sheet.
1.1 19/12/95 EGW Addition of EMC information to Technical
Section. Errors corrected. Earlier part no.
was 127-036. Filename was
…\User_g.doc.
2.0 07/05/98 SEJ New window front cover and logo. See
ECN
Contents
Blue Chip Technology Ltd. 3.doc
INTRODUCTION ...................................................................................1
ABOUT THE MANUAL ..........................................................................2
CHAPTER 1...........................................................................................3
Installing the AIP-8d...........................................................................3
Base Address ....................................................................................3
Interrupt Selection..............................................................................4
Selecting the A-D Range...................................................................5
Fitting the Card..................................................................................6
CHAPTER 2...........................................................................................7
Making the Right Connections...........................................................7
Input Mode.........................................................................................7
Input Noise.........................................................................................7
Typical Connection to the AIP-8d......................................................8
Analogue Connector (25-Way D-type Plug) ......................................8
CHAPTER 3...........................................................................................9
Hardware Description........................................................................9
µPD71054..........................................................................................9
Timer Modes......................................................................................9
I/O Mapping.....................................................................................10
Function Control Register................................................................11
Starting A-D Conversions................................................................12
Pacer Conversions ..........................................................................12
CHAPTER 4.........................................................................................16
Technical Specifications..................................................................16
APPENDIX A - NUMBERING SYSTEMS............................................20
Binary and Hexadecimal Numbers..................................................20
Base Address Selection...................................................................23
APPENDIX B - PC MAPS....................................................................24
PC/XT/AT I/O Address Map ............................................................24
PC/XT Interrupt Map........................................................................25
PC/AT Interrupt Map........................................................................26
DMA Channels.................................................................................26
Introduction Page 1
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INTRODUCTION
Thank you for purchasing the AIP-8d analogue input card. The card provides the
user with eight channels of 12 bit analogue inputs. The inputs range from
±50mV to ±5 volts, or 0 to +10 volts full scale.
The card features user selectable base address, interrupt source, interrupt level
and an on-board timer. The timer may be used as a pacer clock to control A-D
conversion cycles.
Page 2 About the Manual
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ABOUT THE MANUAL
This manual is organised into four chapters and two appendices. Each chapter
covers a different aspect of using the AIP-8d. In order to get the best results
from the product, the user is urged to read all chapters, paying particular note to
Chapter 1 which deals with the initial installation of the card. The appendices
may be used for reference at any time.
Chapter 1 Explains how to configure the card to run in your computer via
the user selectable links.
Chapter 2 Details the connections to and from the card and provides
information regarding the type of signals that card is suitable
for use with.
Chapter 3 Gives details of the card’s address mapping and internal
register details allowing the user to write custom software to
control the card.
Chapter 4 Presents the card’s technical specification. Use this section to
determine the card’s suitability for a particular application.
Appendix A Gives a brief introduction to Binary and Hexadecimal
numbering systems for those unfamiliar with the concepts.
Appendix B Lists the IBM-PC I/O address map, interrupt and DMA
allocations and should be used along with Chapter 1 when first
installing the card.
Chapter 1 Installation Page 3
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CHAPTER 1
Installing the AIP-8d
Before installing the card into your computer system, there are a number of user-
configurable links that must be set.
The positioning of these links will depend upon the computer system into which
the card is being fitted. Before fitting any links to the card please read the next
section.
If you are unfamiliar with binary and hexadecimal systems a primer is included in
the appendix.
Base Address
For correct communication between the card and the host computer, the range of
addresses that the card will occupy must be set up. The base address represents
the first address that the card will use. The AIP-8d requires a total of 8 addresses
(including the base address) for correct operation. All Blue Chip Technology
boards are factory set to a default address of 300 hex. Check to ensure that the
base address and the full range of addresses are free for use.
If the addresses are not free another range must be chosen. As a guide, please
use the information contained in appendix to assist in choosing a suitable base
address.
If you are not sure refer to your computer system handbook for information
relating to other peripheral devices possibly already installed (additional
communications card, parallel ports or games ports etc).
If the addresses are available for use then proceed as follows:
• Locate the row header pins (JP1). These pins are marked “BASE” and start
with the pair of pins marked with “08H”. This pair of pins represents the
LOWEST single base address selection. Subsequent pins represent addresses
of increasing value. The HIGHEST single base address link is 200 hex.
Page 4 Installation Chapter 1
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• To select an address, a link position must be left OPEN. Placing a link on a
pair of pins DE-SELECTS that particular address.
Example: To select a base address of HEX 300, the set links as follows:
hex 200
hex 08
BASE ADDRESS
base address selected = HEX 300
(JP1)
Figure 1 Example Base Address Selection
Interrupt Selection
As part of the communication link between the AIP-8d and the host computer, an
interrupt signal may be set to occur whenever valid data is available to the user.
The use of interrupts is not essential but greatly enhances the functionality of the
card. In order for this mode of data transfer to operate correctly, the user must
select an INTERRUPT CHANNEL for the card to use. As with the selection of
base addresses, the chosen interrupt channel must be free for use. The appendix
may be used to identify the Interrupt channels that are normally already in use by
most systems and which ones will probably be free for use.
The AIP-8d allows interrupt selections from 2 to 7. Check that the Interrupt
channel is free for use.
If you are not sure refer to your computer system handbook for information
relating to other peripheral devices possibly already installed (additional
communications cards, parallel ports or games ports etc.).
If the interrupt channel chosen is available for use by the AIP-8d then set up the
card as follows:-
• Locate the row of header pins labelled “JP2”. These pins are marked “IRQ”
and start with Interrupt Signal 2 at the set of pins marked with an rrow.
Chapter 1 Installation Page 5
Blue Chip Technology Ltd. 3.doc Page 5
• To select an interrupt place a link on the pair of pins corresponding to the
chosen Interrupt Signal. All other pins must be left OPEN.
Example: To select and Interrupt Signal IRQ-5 set the links as follows:-
23 4567
SET INTERRUPT (JP2)
INTERRUPT SELECTED = IRQ5
Figure 2 Example Interrupt Signal Selection
Selecting the A-D Range
The full scale measurement range for the analogue inputs is set by a combination
of user configurable links.
JP3 and JP4 set the mode of operation for the A-D. Use the table below to
determine the jumper settings for the required input scaling range.
Gain
JP3 A-D Setting
(J4) Full Scale
Range
x 1 +5 volts +5 volts
x 1 +10 volts +10 volts
x 1 ±5 volts ±5 volts
x 10 +5 volts + 500mV
x 10 +10 volts + 1 volt
x 10 ±5 volts ±500 mV
x 100 +5 volts +50mV
x 100 +10 volts +100mV
x 100 ±5 volts ±50 mV
Figure 3 Configuring the A-D
Page 6 Installation Chapter 1
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Figure 4 Setting the Input Gain and A-D Configuration
Fitting the Card
Once all links have been set, the card can be installed into the host computer.
Ensure that the power is turned off and follow all the manufacturer’s instructions
for opening the computer. Locate a free expansion slot in the machines and plug
the card firmly into it. Screw the bracket in place and re-assemble the computer.
NOTE: To avoid interference from other cards in the computer, if possible
locate the card away from “noisy” cards such as hard disk controllers and
network cards.
JP4 JP4 JP4
±5 VOLTS
+ 10 VOLTS+ 5 VOLTS
A-D SETTINGS (JP4)
GAIN = 1
JP3
GAIN = 10
JP3
GAIN = 100
JP3
A-D SETTINGS (JP3)
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