Advantech PCI-1713 Manuale utente
PCI-1713
32-channel Isolated
Analog Input Card
User's manual
Copyright
This documentation and the software included with this product are
copyrighted 1999 by Advantech Co., Ltd. All rights are reserved.
Advantech Co., Ltd. reserves the right to make improvements in 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 Advantech Co., Ltd. Information provided in this
manual is intended to be accurate and reliable. However, Advantech
Co., Ltd. assumes no responsibility for its use, nor for any infringe-
ments of the rights of third parties which may result from its use.
Acknowledgments
PC-LabCard is a trademark ofAdvantech Co., Ltd. IBM and PC are
trademarks of International Business Machines Corporation. MS-DOS
and Windows are trademarks of Microsoft Corporation. Intel and
Pentium are trademarks of Intel Corporation.
CE notification
The PCI-1713, developed byADVANTECH CO., LTD., has passed the
CE test for environmental specifications when shielded cables are
used for external wiring. We recommend the use of shielded cables.
This kind of cable is available from Advantech. Please contact your
local supplier for ordering information.
On-line Technical Support
For technical support and service please visit out support website at
http://support.advantech.com
Part No. 2003171300 1st Edition
Printed in Taiwan March 1999
Contents
CHAPTER 1 General Information........................ 1
1.1 Introduction.......................................................... 2
1.2 Features................................................................ 3
1.3 Specifications ....................................................... 3
1.4 Block Diagram..................................................... 6
CHAPTER 2 Installation ........................................ 7
2.1 Initial Inspection ................................................... 8
2.2 Unpacking............................................................. 8
2.3 Installation Instructions ........................................ 9
CHAPTER 3 Signal Connections ........................ 11
3.1 Overview.............................................................. 12
3.2 I/O Connector ..................................................... 12
3.3 Analog Input Connections.................................. 14
3.4 Field Wiring Considerations .............................. 17
CHAPTER 4 Register Structure and Format.... 19
4.1 Overview.............................................................. 20
4.2 I/O Port Address Map......................................... 20
4.3 A/D Data............................................................. 23
4.4 Software A/D Trigger.......................................... 23
4.5 A/D Channel Range Setting............................... 23
4.6 MUX Control ...................................................... 25
4.7 Control Register .................................................. 27
4.8 Status Register .................................................... 28
4.9 Clear Interrupt and FIFO.................................. 29
4.10 Programmable Timer/Counter Registers ......... 29
CHAPTER 5 Calibration ...................................... 31
5.1 Introduction......................................................... 32
5.2 VR Assignment.................................................... 32
5.3 A/D Calibration .................................................. 33
APPENDIX A 82C54 Counter Chip Functions.. 35
A.1 Introduction......................................................... 36
A.2 Counter Read/Write and Control Registers ....... 36
A.3 Counter Operating Modes ................................. 39
A.4 Counter Operations ............................................ 41
APPENDIXB
PCLD-881BWiringTerminalBoard ......
43
B.1 Introduction ........................................................ 44
B.2 Features .............................................................. 44
B.3 Application ......................................................... 44
B.4 Board Layout...................................................... 45
B.5 Single-ended Connections.................................. 46
B.6 Differential Connections..................................... 47
B.7 Technical Diagram............................................. 48
Chapter 1 General Information 1
1
General Information
CHAPTER
2PCI-1713 User's Manual
1.1 Introduction
The PCI-1713 is a 12-bit 32-channel analog input card for the PCI
bus. It provides 32 analog input channels with a sampling rate up to
100k samples/s, 12-bit resolution and isolation protection of 2500
VDC.
PCI-bus Plug and Play
The PCI-1713 uses a PCI controller to interface the card with the PCI
bus. The controller fully implements the PCI bus specification Rev 2.1.
All bus relative configurations, such as base address and interrupt
assignment, are automatically controlled by software.
Flexible Input Types and Range Settings
The PCI-1713 features an automatic channel/gain scanning circuit.
The circuit, rather than your software, controls multiplexer switching
during sampling. The on-board SRAM stores different gain values
and configurations for each channel. This design lets you perform
multi-channel sampling with different gains for each channel and with
free combination of single-ended and differential inputs.
High-speed Data Acquisition
The PCI-1713 provides a sampling rate up to 100k samples/s. It has an
on-board FIFO buffer, which can store up to 4KA/D samples and
generates an interrupt signal when the FIFO is half full. This feature
provides continuous high-speed data transfer and more predictable
performance on Windows systems.
Supports S/W, Internal and External Pacer
Triggering
The PCI-1713 supports three kinds of trigger modes for A/D conver-
sion: software triggering, internal pacer triggering and external pacer
triggering. The software trigger allows users to acquire a sample when
it is needed; the internal pacer triggers continuous high-speed data
acquisition. The PCI-1713 also accepts external trigger sources,
allowing synchronous sampling with external devices.
Chapter 1 General Information 3
Satisfies the Need for Isolation Protection
The PCI-1713 provides optical isolation protection of 2500 VDC
between the inputs and the PC bus to protect the PC and peripherals
from damage due to high voltages on the input lines. It is ideal for the
situations where budget-conscious users require flexibility, stability
and a high level of isolation protection for their data acquisition
system.
1.2 Features
•
32 single-ended or 16 differential analog inputs, or a combina-
tion
• 12-bit A/D converter, with up to 100 kHz sampling rate
• Programmable gain for each input channel
• Automatic channel/gain scanning
• On-board 4K samples FIFO buffer
• Programmable pacer
1.3 Specifications
Analog Input:
•Channels: 32 single-ended or 16 differential (software programma-
ble)
•Resolution:12-bit
•On-boardFIFO:4Ksamples
•Conversiontime:2.5 µs
•Inputrange:
Bipolar: ±10V, ±5V, ±2.5V, ±1.25V, ±0.625V
Unipolar: 0 ~10V, 0 ~ 5V, 0 ~ 2.5V, 0 ~ 1.25V
4PCI-1713 User's Manual
•Maximum Input Overvoltage:±30V
•CommonMode RejectionRatio(CMRR)
Gain CMRR
0.5,1 75dB
2 80dB
4 84dB
8 84dB
•Maximumsamplingrate:100kHz
•Accuracy:(depending on gain)
Gain Accuracy
0.5,1 0.01% of FSR±1LSB
2 0.02%ofFSR±1LSB
4 0.02%ofFSR±1LSB
8 0.04% of FSR±1LSB
•Linearityerror:±1LSB
•Drift: Typical 30 PPM / °C ( 0 ~ 60 °C )
•Inputimpedance:1GΩ
•Trigger mode: Software, on-board programmable pacer or external
•Trigger Input: TTL level
Programmable Timer/Counter
•Counter chip: 82C54 or equivalent
•Counters: 3 channels, 16 bits
2 channels are permanently configured as programmable pacers;
1 channel is un-used.
•Time base:
Channel 1:10 MHz
Channel 2:Takes input from output of channel 1
Channel 0:un-used.
Chapter 1 General Information 5
General:
•I/O Connector: 37-pin D-type female connector
•Dimensions:175mmx100mm (6.9”x3.9”)
•Powerconsumption: +5V @ 850mA(Typical),
+5 V @ 1.0 A (Max.)
•Operatingtemperature:0~+60°C (32~ 140 °F) ( refertoIEC68-2-
1,2)
•Storagetemperature:-20~+70°C (-4~ 158 °F)
•Operating humidity: 5 ~ 95%RH non-condensing ( refer to IEC 68-
2-3 )
•MTBF:over 85,310 hrs @ 25 °C, grounded, fixed environment
6PCI-1713 User's Manual
1.4 Block Diagram
Figure 1-1: PCI-1713 block diagram
IsolationIsolationIsolation
PCI
Target
Controller
Address Bus Address
Decoder
10 MHz
OSC
Counter 1
Counter 2
Pacer
Gain
Code
Generator
ADC
Control
Logic
Channel
Code
Generator
Multiplexer
32 S.E.
or
16 Diff
PGIA
Isolation
EXT_TRG
Data Bus
INT
INT
Generator
+
PCIB
us
12 bit
A/D
Converter
AI 0
AI 1
AI31
Channel
Code
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