VXI SVM2608 User manual
SVM2608
4-Channel, 100 kSamples/s
Analog-to-Digital Converter
USER’S MANUAL
P/N: 82-0066-000
Released February 23, 2007
VXI Technology, Inc.
2031 Main Street
Irvine, CA 92614-6509
(949) 955-1894
VXI Technology, Inc.
2
www.vxitech.com
SVM2608 Preface 3
TABLE OF CONTENTS
INTRODUCTION
TABLE OF CONTENTS ................................................................................................................................................3
Certification..........................................................................................................................................................5
Warranty ...............................................................................................................................................................5
Limitation of Warranty.........................................................................................................................................5
Restricted Rights Legend......................................................................................................................................5
DECLARATION OF CONFORMITY ...............................................................................................................................6
GENERAL SAFETY INSTRUCTIONS.............................................................................................................................7
Terms and Symbols ..............................................................................................................................................7
Warnings...............................................................................................................................................................7
SUPPORT RESOURCES ...............................................................................................................................................9
SECTION 1..................................................................................................................................................................11
INTRODUCTION .......................................................................................................................................................11
Introduction ........................................................................................................................................................11
Overview ............................................................................................................................................................11
Acquiring Data ..............................................................................................................................................13
Triggering......................................................................................................................................................13
Linear Mode ..................................................................................................................................................14
Pre-Trigger ....................................................................................................................................................14
Delayed Trigger.............................................................................................................................................14
FIFO Mode....................................................................................................................................................15
Calibrations ...................................................................................................................................................15
Test Bus.........................................................................................................................................................15
Commands.....................................................................................................................................................15
Option -01 .....................................................................................................................................................16
Physical Description ...........................................................................................................................................18
Front Panel Interface Wiring ..............................................................................................................................19
SVM2608 Specifications ....................................................................................................................................20
SECTION 2..................................................................................................................................................................23
PREPARATION FOR USE...........................................................................................................................................23
Introduction ........................................................................................................................................................23
Calculating System Power and Cooling Requirements ......................................................................................23
Setting the Chassis Backplane Jumpers..............................................................................................................23
Setting the Base Address ....................................................................................................................................24
Example 1......................................................................................................................................................25
Example 2......................................................................................................................................................26
Module Installation/Removal .............................................................................................................................26
SECTION 3..................................................................................................................................................................27
PROGRAMMING.......................................................................................................................................................27
Introduction ........................................................................................................................................................27
Device Memory Maps ........................................................................................................................................27
Function Offset..............................................................................................................................................27
Register Offset...............................................................................................................................................27
Data(Byte) Ordering ...........................................................................................................................................30
Determining the Register Address......................................................................................................................31
Accessing the Registers ......................................................................................................................................32
Description of Registers .....................................................................................................................................32
Microprocessor Commands ................................................................................................................................41
VXI Technology, Inc.
4 SVM2608 Preface
Measurement Commands..............................................................................................................................41
Captured Data Calculations...........................................................................................................................42
Resistance Measurement – Offset Method....................................................................................................43
Resistance Measurement – Dynamic Method ...............................................................................................43
Self Test Command.......................................................................................................................................43
Preset Setting Measurement Commands .......................................................................................................44
Calibration Commands..................................................................................................................................45
Error Processing ............................................................................................................................................47
Diagnostic Commands ..................................................................................................................................49
Examples ............................................................................................................................................................51
Example 1: Setting the Channel 2 and 4 Sample Rate to 123 ms (8.13 kHz)................................................51
Example 2: Setting Channel 2 to Acquire 200,000 Samples.........................................................................51
Example 3: Setting Channel 2 to Pre-acquire 100,000 Samples ...................................................................52
Example 4: Setting Channel 2 to Delay Acquisition by 1,500,000 Samples.................................................52
Example 5: Setting Channel 2 and 4 Timeout Register to Timeout after 2.5 s .............................................53
APPENDIX A...............................................................................................................................................................55
APPENDIX A ...........................................................................................................................................................55
Data Swapping Example.....................................................................................................................................55
INDEX.........................................................................................................................................................................57
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SVM2608 Preface 5
CERTIFICATION
VXI Technology, Inc. (VTI) certifies that this product met its published specifications at the time of shipment from
the factory. VTI further certifies that its calibration measurements are traceable to the United States National
Institute of Standards and Technology (formerly National Bureau of Standards), to the extent allowed by that
organization’s calibration facility, and to the calibration facilities of other International Standards Organization
members.
WARRANTY
The product referred to herein is warranted against defects in material and workmanship for a period of one year
from the receipt date of the product at customer’s facility. The sole and exclusive remedy for breach of any warranty
concerning these goods shall be repair or replacement of defective parts, or a refund of the purchase price, to be
determined at the option of VTI.
For warranty service or repair, this product must be returned to a VXI Technology authorized service center. The
product shall be shipped prepaid to VTI and VTI shall prepay all returns of the product to the buyer. However, the
buyer shall pay all shipping charges, duties, and taxes for products returned to VTI from another country.
VTI warrants that its software and firmware designated by VTI for use with a product will execute its programming
when properly installed on that product. VTI does not however warrant that the operation of the product, or
software, or firmware will be uninterrupted or error free.
LIMITATION OF WARRANTY
The warranty shall not apply to defects resulting from improper or inadequate maintenance by the buyer, buyer-
supplied products or interfacing, unauthorized modification or misuse, operation outside the environmental
specifications for the product, or improper site preparation or maintenance.
VXI Technology, Inc. shall not be liable for injury to property other than the goods themselves. Other than the
limited warranty stated above, VXI Technology, Inc. makes no other warranties, express or implied, with respect to
the quality of product beyond the description of the goods on the face of the contract. VTI specifically disclaims the
implied warranties of merchantability and fitness for a particular purpose.
RESTRICTED RIGHTS LEGEND
Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subdivision (b)(3)(ii) of the
Rights in Technical Data and Computer Software clause in DFARS 252.227-7013.
VXI Technology, Inc.
2031 Main Street
Irvine, CA 92614-6509 U.S.A.
VXI Technology, Inc.
6 SVM2608 Preface
DECLARATION OF CONFORMITY
Declaration of Conformity According to ISO/IEC Guide 22 and EN 45014
MANUFACTURER’S NAME VXI Technology, Inc.
MANUFACTURER’S ADDRESS 2031 Main Street
Irvine, California 92614-6509-6509
PRODUCT NAME 4-Channel, 100 kSamples/s Analog-to-Digital Converter
MODEL NUMBER(S) SVM2608
PRODUCT OPTIONS All
PRODUCT CONFIGURATIONS All
VXI Technology, Inc. declares that the aforementioned product conforms to the requirements of
the Low Voltage Directive 73/23/EEC and the EMC Directive 89/366/EEC (inclusive 93/68/EEC)
and carries the “CE” mark accordingly. The product has been designed and manufactured
according to the following specifications:
SAFETY EN61010 (2001)
EMC EN61326 (1997 w/A1:98) Class A
CISPR 22 (1997) Class A
VCCI (April 2000) Class A
ICES-003 Class A (ANSI C63.4 1992)
AS/NZS 3548 (w/A1 & A2:97) Class A
FCC Part 15 Subpart B Class A
EN 61010-1:2001
The product was installed into a C-size VXI mainframe chassis and tested in a typical configuration.
I hereby declare that the aforementioned product has been designed to be in compliance with the relevant sections
of the specifications listed above as well as complying with all essential requirements of the Low Voltage Directive.
February 2007
Steve Mauga, QA Manager
www.vxitech.com
SVM2608 Preface 7
GENERAL SAFETY INSTRUCTIONS
Review the following safety precautions to avoid bodily injury and/or damage to the product.
These precautions must be observed during all phases of operation or service of this product.
Failure to comply with these precautions or with specific warnings elsewhere in this manual,
violates safety standards of design, manufacture and intended use of the product.
Service should only be performed by qualified personnel.
TERMS AND SYMBOLS
These terms may appear in this manual:
WARNING Indicates that a procedure or condition may cause bodily injury or death.
CAUTION Indicates that a procedure or condition could possibly cause damage to
equipment or loss of data.
These symbols may appear on the product:
ATTENTION - Important safety instructions
Frame or chassis ground
Indicates that the product was manufactured after August 13, 2005. This mark is
placed in accordance with EN 50419, Marking of electrical and electronic
equipment in accordance with Article 11(2) of Directive 2002/96/EC (WEEE).
End-of-life product can be returned to VTI by obtaining an RMA number. Fees
for take-back and recycling will apply if not prohibited by national law.
WARNINGS
Follow these precautions to avoid injury or damage to the product:
Use Proper Power Cord To avoid hazard, only use the power cord specified for this
product.
Use Proper Power Source To avoid electrical overload, electric shock or fire hazard, do
not use a power source that applies other than the specified
voltage.
Use Proper Fuse To avoid fire hazard, only use the type and rating fuse
specified for this product.
VXI Technology, Inc.
8 SVM2608 Table of Contents
WARNINGS (CONT.)
Avoid Electric Shock To avoid electric shock or fire hazard, do not operate this product
with the covers removed. Do not connect or disconnect any cable,
probes, test leads, etc. while they are connected to a voltage source.
Remove all power and unplug unit before performing any service.
Service should only be performed by qualified personnel.
Ground the Product This product is grounded through the grounding conductor of the
power cord. To avoid electric shock, the grounding conductor must
be connected to earth ground.
Operating Conditions To avoid injury, electric shock or fire hazard:
- Do not operate in wet or damp conditions.
- Do not operate in an explosive atmosphere.
- Operate or store only in specified temperature range.
- Provide proper clearance for product ventilation to prevent
overheating.
- DO NOT operate if any damage to this product is suspected.
Product should be inspected or serviced only by qualified
personnel.
Improper Use The operator of this instrument is advised that if the equipment is
used in a manner not specified in this manual, the protection
provided by the equipment may be impaired. Conformity is checked
by inspection.
www.vxitech.com
SVM2608 Preface 9
SUPPORT RESOURCES
Support resources for this product are available on the Internet and at VXI Technology customer
support centers.
VXI Technology
World Headquarters
VXI Technology, Inc.
2031 Main Street
Irvine, CA 92614-6509
Phone: (949) 955-1894
Fax: (949) 955-3041
VXI Technology
Cleveland Instrument Division
5425 Warner Road
Suite 13
Valley View, OH 44125
Phone: (216) 447-8950
Fax: (216) 447-8951
VXI Technology
Lake Stevens Instrument Division
VXI Technology, Inc.
1924 - 203 Bickford
Snohomish, WA 98290
Phone: (425) 212-2285
Fax: (425) 212-2289
Technical Support
Phone: (949) 955-1894
Fax: (949) 955-3041
E-mail: [email protected]
Visit http://www.vxitech.com for worldwide support sites and service plan information.
VXI Technology, Inc.
10 SVM2608 Preface
Table of contents
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