VXI Technology VM3618 User manual

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VM3618
ISOLATED DIGITAL-TO-ANALOG CONVERTER
USER’S
MANUAL
82-0028-000
Release December 1, 2003
VXI Technology, Inc.
2031 Main Street
Irvine, CA 92614-6509
[phone]

www.vxitech.com
VM3618 Introduction 3
TABLE OF CONTENTS
INTRODUCTION
Certification .........................................................................................................................................................6
Warranty ..............................................................................................................................................................6
Limitation of Warranty ........................................................................................................................................6
Restricted Rights Legend .....................................................................................................................................6
Declaration of Conformity........................................................................................................................................7
General Safety Instructions.......................................................................................................................................9
Terms and Symbols..............................................................................................................................................9
Warnings..............................................................................................................................................................9
Support Resources ..................................................................................................................................................11
SECTION 1 ...................................................................................................................................................................13
Introduction ............................................................................................................................................................13
Introduction........................................................................................................................................................13
Description.........................................................................................................................................................14
SECTION 2 ...................................................................................................................................................................17
Preparation for Use.................................................................................................................................................17
Installation..........................................................................................................................................................17
Calculating System Power and Cooling Requirements......................................................................................17
Setting the Chassis Backplane Jumpers .............................................................................................................18
Setting the Logical Address ...............................................................................................................................18
Front Panel Interface Wiring .............................................................................................................................19
Mating Connectors.............................................................................................................................................20
SECTION 3 ...................................................................................................................................................................21
Programming ..........................................................................................................................................................21
Introduction........................................................................................................................................................21
Notation .............................................................................................................................................................22
SCPI Command Examples......................................................................................................................................23
Calibration Count...............................................................................................................................................23
Calibration Gain.................................................................................................................................................24
Calibration Secure Code ....................................................................................................................................25
Calibration Secure State.....................................................................................................................................26
Calibration Store ................................................................................................................................................27
Calibration Zero .................................................................................................................................................28
Range .................................................................................................................................................................29
Route Close........................................................................................................................................................30
Route Open ........................................................................................................................................................31
Scan....................................................................................................................................................................32
Scan Limit..........................................................................................................................................................33
Scan Table..........................................................................................................................................................34
Scan Table Location ..........................................................................................................................................35
Source Current Level .........................................................................................................................................36
Source Data........................................................................................................................................................37
Source Setup ......................................................................................................................................................38
Source Voltage Level.........................................................................................................................................39
Trigger Sequence Immediate .............................................................................................................................40
Trigger Sequence Slope .....................................................................................................................................41
Trigger Sequence Source ...................................................................................................................................42
Application Examples.............................................................................................................................................43
Register Access Examples ......................................................................................................................................44
VXIplug&play Examples .......................................................................................................................................47

VXI Technology, Inc.
4 VM3618 Preface
SECTION 4 ...................................................................................................................................................................55
Command Dictionary..............................................................................................................................................55
Introduction........................................................................................................................................................55
Alphabetical Command Listing .........................................................................................................................55
The <channel_list> Parameter ...........................................................................................................................56
Command Dictionary.........................................................................................................................................60
IEEE 488.2 Common Commands...........................................................................................................................61
*CLS ..................................................................................................................................................................61
*ESE ..................................................................................................................................................................62
*ESR? ................................................................................................................................................................63
*IDN?.................................................................................................................................................................64
*OPC..................................................................................................................................................................65
*RST ..................................................................................................................................................................66
*SRE ..................................................................................................................................................................67
*STB? ................................................................................................................................................................68
*TRG..................................................................................................................................................................69
*TST?.................................................................................................................................................................70
*WAI..................................................................................................................................................................71
Instrument Specific SCPI Commands ....................................................................................................................72
CALibration:COUNt?........................................................................................................................................72
CALibration:GAIN ............................................................................................................................................73
CALibration:SECure:CODE..............................................................................................................................74
CALibration:SECure:STATe.............................................................................................................................75
CALibration:STORe ..........................................................................................................................................76
CALibration:ZERO............................................................................................................................................77
INHOUSE:PSEUDO .........................................................................................................................................78
MEMory:SETup.................................................................................................................................................79
OUTPut:TRIGger:SLOPe..................................................................................................................................80
OUTPut:TRIGger:TTLTrig ...............................................................................................................................81
OUTPut:TTLTrig[:STATe] ...............................................................................................................................82
RANGe ..............................................................................................................................................................83
ROUTe:CLOSe..................................................................................................................................................84
ROUTe:OPEN ...................................................................................................................................................85
SCAN.................................................................................................................................................................86
SCAN:LIMit ......................................................................................................................................................87
SCAN:TABLe....................................................................................................................................................88
SCAN:TABLe:LOCation...................................................................................................................................89
SOURce:CURRent:LEVel.................................................................................................................................90
SOURce:DATA .................................................................................................................................................91
SOURce:VOLTage:LEVel ................................................................................................................................92
SOURce:SETup .................................................................................................................................................93
TRIGger[:SEQuence][:IMMediate] ...................................................................................................................94
TRIGger[:SEQuence]:SLOPe ............................................................................................................................95
TRIGger[:SEQuence]:SOURce .........................................................................................................................96
Instrument Specific Commands..............................................................................................................................97
STATus:OPERation:CONDition? .....................................................................................................................97
STATus:OPERation:ENABle ............................................................................................................................98
STATus:OPERation[:EVENt]?..........................................................................................................................99
STATus:PRESet...............................................................................................................................................100
STATus:QUEStionable:CONDition? ..............................................................................................................101
STATus:QUEStionable:ENABle.....................................................................................................................102
STATus:QUEStionable[:EVENt]? ..................................................................................................................103
SYSTem:ERRor? .............................................................................................................................................104
SYSTem:VERSion?.........................................................................................................................................105

www.vxitech.com
VM3618 Introduction 5
SECTION 5 .................................................................................................................................................................107
Theory of Operation .............................................................................................................................................107
Introduction......................................................................................................................................................107
Interface and Control FPGA ............................................................................................................................108
Reference and Calibration................................................................................................................................110
INDEX ........................................................................................................................................................................111

VXI Technology, Inc.
6 VM3618 Preface
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 three years
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.

www.vxitech.com
VM3618 Introduction 7
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
PRODUCT NAME Isolated Digital-to-Analog Converter
MODEL NUMBER(S) VM3618
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.
December 2003
_________________________
Jerry Patton, QA Manager

VXI Technology, Inc.
8 VM3618 Preface

www.vxitech.com
VM3618 Introduction 9
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
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.