DAS-8
External DAS Driver
USER’S GUIDE
DAS-8 External DAS Driver
User’s Guide
Revision D - December 1994
Part Number: 59136
New Contact Information
Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, OH 44139
Technical Support: 1-888-KEITHLEY
Monday – Friday 8:00 a.m. to 5:00 p.m (EST)
Fax: (440) 248-6168
Visit our website at http://www.keithley.com
The information contained in this manual is believed to be accurate and reliable. However, Keithley
Instruments, Inc., assumes no responsibility for its use or for any infringements of patents or other rights
of third parties that may result from its use. No license is granted by implication or otherwise under any
patent rights of Keithley Instruments, Inc.
KEITHLEY INSTRUMENTS, INC., SHALL NO T BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES RELATED TO THE USE OF THIS PRODUCT. THIS
PRODUCT IS NOT DESIGNED WITH COMPONENTS OF A LEVEL OF RELIABILITY
SUITABLE FOR USE IN LIFE SUPPORT OR CRITICAL APPLICATIONS.
Refer to your Keithley Instruments license agreement for specific warranty and liability information.
MetraByte and EASYEST AG are trademarks of Keithley Instruments, Inc. VIEWDAC,
EASYEST LX, and ASYST are re gistered trademarks of Keithley Instruments, Inc. All other brand and
product names are trademarks or registered trademarks of their respective companies.
© Copyright Keithley Instruments, Inc., 1989 to 1994.
All rights reserved. Reproduction or adaptation of any part of this documentation beyond that permitted
by Section 117 of the 1976 United States Copyright Act without permission of the Copyright owner is
unlawful.
Keithley MetraByte Division
Keithley Instruments, Inc.
440 Myles Standish Blvd. Taunton, MA 02780
FAX: (508) 880-0179
Telephone: (508) 880-3000
●
Preface
The DAS-8 External DAS Driver allows you to use Keithley MetraByte
DAS-8 Series boards with the following Keithley MetraByte data
acquisition and analysis software:
●
VIEWDAC
EASYEST LX
●
●
EASYEST AG
●
ASYST
This manual provides the information needed to use the DAS-8 External
DAS Driver with data acquisition and analysis software. Use this manual
in conjunction with your board user’s guide and with the documentation
for the expansion accessories and data acquisition software you are using.
Note:
The DAS-8 External DAS Driver may support options your
software does not; likewise, your software may support options this
external driver does not.
v
If you need help, contact your local sales office or the Keithle y MetraByte
Applications Engineering Department between 8 am and 6 pm (Eastern
Time), Monday through Friday:
Keithley MetraByte
Applications Engineering
440 Myles Standish Boulevard
Taunton, Massachusetts 02780
Telephone 508/880-3000
Telex 503989
FAX 508/880-0179
vi
Table of Contents
Preface
1
Using the DAS-8 External DAS Driver
Supported Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Options Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Files on Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Quick Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Setting up the Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Running the Configuration Program. . . . . . . . . . . . . . . . . . . . . 4
Loading the DAS-8 External DAS Driver. . . . . . . . . . . . . . . . . 5
Accessing the DAS-8 External DAS Driver . . . . . . . . . . . . . . . 6
Using the Configuration Program . . . . . . . . . . . . . . . . . . . . . . . . . 7
Menu Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Special Purpose Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Exiting the DAS-8 Configuration Program. . . . . . . . . . . . . . . 10
Configuring the DAS-8 External DAS Driver from DOS . . . . . . 11
DAS-8 External DAS Driver Characteristics. . . . . . . . . . . . . . . . 12
Counter/Timer Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Logical Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Clocking and Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
EXP-16 and EXP-GP Expansion Accessories . . . . . . . . . . . . 13
Physical and Logical Channels . . . . . . . . . . . . . . . . . . . . . 14
Internal Clocking with Expansion Accessories . . . . . . . . . 16
Interrupt-Mode Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Software Interrupt Vectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DAS-8 External DAS Driver Error Messages . . . . . . . . . . . . . . . 18
List of Figures
Figure 1. Analog Input Channels . . . . . . . . . . . . . . . . . . . . . 15
iii
List of Tables
Table 1. Configuration Program Menu Items . . . . . . . . . . . . 7
Table 2. Analog Input Ranges . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. Gains Available for DAS-8PGA,
µ
CDAS-8PGA,
and DAS-8/AO Boards . . . . . . . . . . . . . . . . . . . . . . 9
Table 4. Configuration Menu Special Keys. . . . . . . . . . . . . 10
Table 5. Command-Line Options . . . . . . . . . . . . . . . . . . . . 11
Table 6. Physical and Logical Channels
(Maximum Configuration). . . . . . . . . . . . . . . . . . . 14
Table 7. Interrupts and Environment Strings. . . . . . . . . . . . 17
Table 8. Error Messages from the DAS-8 External DAS
Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
iv
Table 1. Configuration Program Menu Items . . . . . . . . . . . . 7
Table 2. Analog Input Ranges . . . . . . . . . . . . . . . . . . . . . . . . 8
Table 3. Gains Available for DAS-8PGA,
µ
CDAS-8PGA, and
DAS-8/AO Boards9
Table 4. Configuration Menu Special Keys. . . . . . . . . . . . . 10
Table 5. Command-Line Options . . . . . . . . . . . . . . . . . . . . 11
Table 6. Physical and Logical Channels
(Maximum Configuration)14
Table 7. Interrupts and Environment Strings. . . . . . . . . . . . 17
Table 8. Error Messages from the DAS-8 External DAS Driver
18
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