Advantech PCL-812PG Manuale utente
PCL-812PG
Enhanced Multi-Lab Card
User's Manual for PCL-812PG
Copyright Notice
This documentation and the software routines contained in the
PCL-812PG software diskette are copyrighted, 1993, by Advan-
tech Co. Ltd. All rights are reserved. Advantec reserves the right
to make improvements to the products described in this manual at
any time without notice.
No part of this manual may be reproduced, copied, translated or
transmitted in any form or by any means without the prior written
permission of the original manufacturer. Information provided in
this manual is intended to be accurate and reliable. However, the
original manufacturer assumes no responsibility for its use, nor
for any infringements upon the rights of third parties which may
result from its use.
Acknowledgements
PC-LabCard is a trademark of Advantech Co., Ltd.
IBM and PC are trademarks of International Business Machines
Corporation.
MS-DOS is a trade mark of Microsoft Corporation.
BASIC is a trademark of Dartmouth College. Intel is a trademark
of Intel Corporation.
Part No. XXX Rev. B1
Printed in Taiwan November 1996
Packing List
Before installing your board, insure that the following materials
have been received:
•
If any of these items are missing or damaged, contact your
distributor or sales representative immediately.
Chapter 1 General Information
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99
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1
General Information
This chapter gives background
information on the PCL-812PG.
Sections include:
• Key Features
• Expansion Capabilities
• Product Specifications
CHAPTER
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10 PCL-812PG User's Manual
1.1 Introduction
The PCL-812PG is a high performance, high speed, multi-function
data acquisition card for IBM PC/XT/AT and compatible
computers. The high-end specifications fo this full-sized card, and
complete software support from third-party vendors makes it ideal
for a wide range of applications in industrial and laboratory
environments. These applications include data acquisition, process
control, automatic testing and factory automation.
1.2 Key Features
• 16 single-ended analog input channels
• An industrial standard 12-bit successive approximation converter
(HADC574Z) to convert analog inputs. The maximum A/D
sampling rate is 30 KHz in DMA mode.
• Software programmable analog input ranges.
• Bipolar: +/- 5V, +/- 2.5 V, +/- 1.25V +/- 0.625 V +/- 0.3125 V
• Three A/D trigger modes:
• Software trigger
• Programmable pacer trigger
• External pulse trigger
• The ability to transfer A/D converted data by program control,
interrupt handler routine or DMA transfer.
• An Intel 8253-5 Programmable Timer/Counter provides pacer
output (trigger pulse) at the rate of 0.5 MHz to 35 minutes/pulse.
The timer increment is 2 MHz. One 16-bit counter channel is
reserved for user configuration applications.
• Two 12-bit monolithic multiplying D/A output channels. An
output range from 0 to +5V or 0 to +10V can be created by using
the on-board -5V or -10V reference. This precision reference is
derived from the A/D converter reference. External AC or DC
references can also be used to generate other D/A output ranges.
Chapter 1 General Information
1111
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11
• 16 TTL/DTL compatible digital inputs, and 16 digital output
channels.
1.3 Expansion Capabilities
To complement the powerful features of the PCL-812PG, the
versatility of the card can be enhanced by using the following
optional daughter boards:
PCLD-789 Amplifier/Multiplier Board
This powerful front end analog input signal conditioning card can
multiplex 16 differential inputs to one A/D input channel. A high
grade instrumentation amplifier provides switch selectible gains of
0.5, 1, 2, 10, 50, 100, 200, 1000 or any user-definable gain.
PCLD-787 Eight Channel Simultaneous Sample and Hold
Front-End Board
The board allows up to eight analog inputs to be acquired
simultaneously with less than 30 ns of channel-to-channel sample
time uncertainty.
PCLD-786 AC/DC Power SSR and Relay Driver Board
This board provides 8 channels of photo-couple isolated solid-state
relay modules, plus an additonal 8 external relay driver outputs.
PCLD-785/885 Relay Output Board
This board provides 16 SPDT relays driven by the 16-bit digital
output channels of the PCL-812PG.
PCLD-782 Isolated D/I Board
This 16-channel opto-isolated digital input board provides an easy
way to input digital signals to the PCL-812PG.
PCLD-780 Wiring Terminal
Wiring terminal board for easy analog and/or digital I/O
connections
PCLD-779 Eight Channel Isolated Multiplexer and
Amplifier Board
Offers multi-channel temperature measurements when connected
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12 PCL-812PG User's Manual
with a PC-LabCard.
PCLD-770/7701/7702 Signal Conditioning Modules
PCLD-770 Signal Conditioning Module Carrier Board.
With the PCLD-770 board, you can configure your requirements
with a signal conditioning module such as the PCLD-7701 or
PCLD-7702.
PCLD-7701 Isolated Amplifier
PCLD-7702 Amplifier with I/V Source
PCLD-5B16 Module Carrier Board
This module carrier board is equipped with 16 channels of 5B
series input and/or output modules which provide a complete
solution for signal conditioning applications.
1.4 Software Support
The PCL-812PG also provides powerful and easy to use software
driver functions which can be accessed by referring a user-defined
parameter table. These driver functions simplify programming,
especially when you want to use some of the sophisticated features
available with the PCL-812PG, for example, interrupt or DMA
data transfer.
To provide PCL-812PG users with more application support, a
variety of excellent third-party application software packages have
been integrated with the PCL-812PG. At present, the PCL-812PG
is supported by the following software:
PC-LabsDAS
Turnkey, menu-driven, general purpose data acquisition package
from Advantech
Labtech Notebook, PC-Scope, PC-Streamer, SNAPSHOT,
etc.
A complete software product catalog is available free from your
local PC-LabCard representative.
1.5 Product Specifications
Chapter 1 General Information
1313
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13
1.5.1 Analog Input (A/D Converter)
Channels: 16 single-ended
Resolution: 12 bits
Input Range: Bipolar +/- 10V, +/- 5V, +/- 2.5 V, +/- 1.25 V,
+/- 0.625 V, +/- 0.3125 V. All input ranges are
software programmable.
Overvoltage: Continuous +/- 30V max.
Conversion type: Successive approximation
Converter: HADC574Z (built-in sample and hold)
Conversion speed: 30 KHz max.
Accuracy: 0.015 % of reading +/- 1 bit
Linearity: +/- 1 bit
Trigger mode: Software trigger, on-board programmable timer
or external trigger.
Data transfer: Program control, Interrupt control or DMA
External trigger TTL or compatible, load 0.4 mA max. at 0.5V
(low) or 0.05 mA max. at 2.7V (high).
1.5.2 Analog Output (D/A Converter)
Channels: 2
Resolution: 12 bits
Output range: 0 to + 5V or 0 to +10V with fixed -5V or -10V
reference. Max. +10V or -10V with external
DC or AC reference.
Reference voltage
Internal: -5V (+/- 0.1V), -10V (+/- 0.2 V)
External: DC or AC, +/- 10 V max
Conversion type: 12-bit monolithic multiplying
Analog devices: AD7541AKN or equivalent
Linearity: +/- 0.5 bit
Output drive: +/- 5 mA max
Settling time: 30 microseconds
1.5.3 Digital Input
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14 PCL-812PG User's Manual
Channel: 16 bits
Level: TTL compatible
Input voltage
Low: 0.8 V max
High: 2.0V min.
Input load
Low: 0.4 mA max. at 0.5 V
High: 0.05 mA max. at 2.7 V
1.5.4 Digital Output
Channel: 16 bits
Level: TTL compatible
Output voltage
Low: Sink 8 mA at 0.5 V max.
High: Source -0.4 mA at 2.4V min.
1.5.5 Programmable Timer/Counter
Device: Intel 8253
Counters: 3 channels, 16-bit, 2 channels permanently
connected to 2 MHz clock as programmable
pacer, 1 channel free for user application
Input, gate: TTL/DTL/CMOS compatible
Time base: 2 MHz
Pacer output: 35 minutes/pulse to 0.5 MHz
1.5.6 Interrupt Channel
Level: IRQ 2 to 7, 10, 11, 12, 14, 15 jumper
selectable
Enable: VIA S0, S1 and S2 of CONTROL register
1.5.7 DMA Channel
Level: 1 or 3, jumper selectable
Enable: Via S0, S1 and S2 of CONTROL register
1.5.8 General Specifications
Chapter 1 General Information
1515
1515
15
Power consumption: +5V: typ. 500 mA, max 1A
+12 V: typ. 50 mA, max 100 mA
-12V: typ. 14 mA, max 20 mA
I/O connector: 20 pin post header for I/O connection. Adapter
available to convert to 37 pin D-type connector
I/O base address: Requires 16 consecutive address locations.
Base address definable by the Dip switches for
address line A8 - A4. (Factory setting is Hex
220).
Operating temperature: 0 to + 50 deg C
Storage temperature: -20 to +65 deg C
Weight: 8.6 oz (243 g)
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