National Instruments Personal Computer 1000DC User Manual

TM  
SCXI  
SCXI Chassis User Manual  
SCXI Chassis User Manual  
May 2004 Edition  
Part Number 320423H-01  
 
 
Important Information  
Warranty  
The SCXI chassis (SCXI-1000, SCXI-1000DC, and SCXI-1001) are warranted against defects in materials and workmanship for a period of  
one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace  
equipment that proves to be defective during the warranty period. This warranty includes parts and labor.  
The media on which you receive National Instruments software are warranted not to fail to execute programming instructions, due to defects  
in materials and workmanship, for a period of 90 days from date of shipment, as evidenced by receipts or other documentation. National  
Instruments will, at its option, repair or replace software media that do not execute programming instructions if National Instruments receives  
notice of such defects during the warranty period. National Instruments does not warrant that the operation of the software shall be  
uninterrupted or error free.  
A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the outside of the package before  
any equipment will be accepted for warranty work. National Instruments will pay the shipping costs of returning to the owner parts which are  
covered by warranty.  
National Instruments believes that the information in this document is accurate. The document has been carefully reviewed for technical  
accuracy. In the event that technical or typographical errors exist, National Instruments reserves the right to make changes to subsequent  
editions of this document without prior notice to holders of this edition. The reader should consult National Instruments if errors are suspected.  
In no event shall National Instruments be liable for any damages arising out of or related to this document or the information contained in it.  
EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS OR IMPLIED, AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF  
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART OF  
NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER. NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR  
DAMAGES RESULTING FROM LOSS OF DATA, PROFITS, USE OF PRODUCTS, OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY  
THEREOF. This limitation of the liability of National Instruments will apply regardless of the form of action, whether in contract or tort, including  
negligence. Any action against National Instruments must be brought within one year after the cause of action accrues. National Instruments  
shall not be liable for any delay in performance due to causes beyond its reasonable control. The warranty provided herein does not cover  
damages, defects, malfunctions, or service failures caused by owner’s failure to follow the National Instruments installation, operation, or  
maintenance instructions; owner’s modification of the product; owner’s abuse, misuse, or negligent acts; and power failure or surges, fire,  
flood, accident, actions of third parties, or other events outside reasonable control.  
Copyright  
Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or mechanical, including photocopying,  
recording, storing in an information retrieval system, or translating, in whole or in part, without the prior written consent of National  
Instruments Corporation.  
Trademarks  
CVI, LabVIEW, Measurement Studio, National Instruments, NI, ni.com, NI-DAQ, and SCXIare trademarks of National  
Instruments Corporation.  
Product and company names mentioned herein are trademarks or trade names of their respective companies.  
Patents  
For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file  
on your CD, or ni.com/patents.  
WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS  
(1) NATIONAL INSTRUMENTS PRODUCTS ARE NOT DESIGNED WITH COMPONENTS AND TESTING FOR A LEVEL OF  
RELIABILITY SUITABLE FOR USE IN OR IN CONNECTION WITH SURGICAL IMPLANTS OR AS CRITICAL COMPONENTS IN  
ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT  
INJURY TO A HUMAN.  
(2) IN ANY APPLICATION, INCLUDING THE ABOVE, RELIABILITY OF OPERATION OF THE SOFTWARE PRODUCTS CAN BE  
IMPAIRED BY ADVERSE FACTORS, INCLUDING BUT NOT LIMITED TO FLUCTUATIONS IN ELECTRICAL POWER SUPPLY,  
COMPUTER HARDWARE MALFUNCTIONS, COMPUTER OPERATING SYSTEM SOFTWARE FITNESS, FITNESS OF COMPILERS  
AND DEVELOPMENT SOFTWARE USED TO DEVELOP AN APPLICATION, INSTALLATION ERRORS, SOFTWARE AND  
HARDWARE COMPATIBILITY PROBLEMS, MALFUNCTIONS OR FAILURES OF ELECTRONIC MONITORING OR CONTROL  
DEVICES, TRANSIENT FAILURES OF ELECTRONIC SYSTEMS (HARDWARE AND/OR SOFTWARE), UNANTICIPATED USES OR  
MISUSES, OR ERRORS ON THE PART OF THE USER OR APPLICATIONS DESIGNER (ADVERSE FACTORS SUCH AS THESE ARE  
HEREAFTER COLLECTIVELY TERMED “SYSTEM FAILURES”). ANY APPLICATION WHERE A SYSTEM FAILURE WOULD  
CREATE A RISK OF HARM TO PROPERTY OR PERSONS (INCLUDING THE RISK OF BODILY INJURY AND DEATH) SHOULD  
NOT BE RELIANT SOLELY UPON ONE FORM OF ELECTRONIC SYSTEM DUE TO THE RISK OF SYSTEM FAILURE. TO AVOID  
DAMAGE, INJURY, OR DEATH, THE USER OR APPLICATION DESIGNER MUST TAKE REASONABLY PRUDENT STEPS TO  
PROTECT AGAINST SYSTEM FAILURES, INCLUDING BUT NOT LIMITED TO BACK-UP OR SHUT DOWN MECHANISMS.  
BECAUSE EACH END-USER SYSTEM IS CUSTOMIZED AND DIFFERS FROM NATIONAL INSTRUMENTS' TESTING  
PLATFORMS AND BECAUSE A USER OR APPLICATION DESIGNER MAY USE NATIONAL INSTRUMENTS PRODUCTS IN  
COMBINATION WITH OTHER PRODUCTS IN A MANNER NOT EVALUATED OR CONTEMPLATED BY NATIONAL  
INSTRUMENTS, THE USER OR APPLICATION DESIGNER IS ULTIMATELY RESPONSIBLE FOR VERIFYING AND VALIDATING  
THE SUITABILITY OF NATIONAL INSTRUMENTS PRODUCTS WHENEVER NATIONAL INSTRUMENTS PRODUCTS ARE  
INCORPORATED IN A SYSTEM OR APPLICATION, INCLUDING, WITHOUT LIMITATION, THE APPROPRIATE DESIGN,  
PROCESS AND SAFETY LEVEL OF SUCH SYSTEM OR APPLICATION.  
 
Conventions  
The following conventions are used in this manual:  
»
The » symbol leads you through nested menu items and dialog box options  
to a final action. The sequence File»Page Setup»Options directs you to  
pull down the File menu, select the Page Setup item, and select Options  
from the last dialog box.  
This icon denotes a note, which alerts you to important information.  
This icon denotes a caution, which advises you of precautions to take to  
avoid injury, data loss, or a system crash. When this icon is marked on the  
product, refer to the Read Me First: Safety and Radio-Frequency  
Interference document, shipped with the product, for precautions to take.  
When symbol is marked on a product it denotes a warning advising you to  
take precautions to avoid electrical shock.  
When symbol is marked on a product it denotes a component that may be  
hot. Touching this component may result in bodily injury.  
bold  
Bold text denotes items that you must select or click in the software, such  
as menu items and dialog box options. Bold text also denotes parameter  
names.  
italic  
Italic text denotes variables, emphasis, a cross reference, or an introduction  
to a key concept. This font also denotes text that is a placeholder for a word  
or value that you must supply.  
monospace  
Text in this font denotes text or characters that you should enter from the  
keyboard, sections of code, programming examples, and syntax examples.  
This font is also used for the proper names of disk drives, paths, directories,  
programs, subprograms, subroutines, device names, functions, operations,  
variables, filenames, and extensions.  
SCXI chassis  
Refers to the SCXI-1000, SCXI-1000DC, and SCXI-1001. When  
information pertains to only one chassis, that chassis is named explicitly;  
for example, the SCXI-1001 has 12 module slots.  
SCXIbus  
Slot 0  
Refers to the backplane in the chassis. A signal on the backplane is referred  
to as the SCXIbus <signal name> line (or signal). The SCXIbus descriptor  
may be omitted when the meaning is clear.  
Refers to the power supply and control circuitry in the SCXI chassis.  
 
 
Chapter 1  
Introduction  
What You Need to Get Started ......................................................................................1-1  
Software Programming Choices ....................................................................................1-2  
National Instruments ADE Software...............................................................1-3  
Chapter 2  
Chassis Description........................................................................................................2-1  
Chassis Uses....................................................................................................2-7  
SCXI-1000/1001 ...............................................................................2-8  
SCXI-1000DC...................................................................................2-9  
Installing the SCXI-1000 and SCXI-1001 Chassis .........................................2-16  
Installing the SCXI-1000DC Chassis..............................................................2-16  
Installing Filler Panels ...................................................................................................2-17  
Installing Front Filler Panels ...........................................................................2-17  
Installing Rear Panels......................................................................................2-18  
Maintaining the Fan Filter .............................................................................................2-18  
© National Instruments Corporation  
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SCXI Chassis User Manual  
 
Contents  
Appendix A  
Specifications  
Appendix B  
Common Questions  
Glossary  
Index  
Figures  
Figure 2-3.  
Figure 2-6.  
Figure 2-7.  
SCXI-1001 Front View Diagram.......................................................... 2-4  
SCXI-1000DC Rear View Diagram ..................................................... 2-7  
Address Setting Examples .................................................................... 2-9  
Tables  
Table 2-1.  
SCXI Chassis Front View Items........................................................... 2-1  
SCXI-1000/1001 Chassis Rear View Items ......................................... 2-4  
SCXI-1000DC Chassis Rear View Items ............................................. 2-6  
SCXI-1000/1001 Voltage Selection and Fuse Ratings by Region ...... 2-11  
Table 2-2.  
Table 2-3.  
Table 2-4.  
SCXI Chassis User Manual  
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1
Introduction  
This manual describes the electrical and mechanical aspects of the  
SCXI-1000, SCXI-1000DC, and SCXI-1001 chassis and contains  
information concerning their operation. The SCXI chassis supply power  
to and contain control circuitry for the SCXI series of modules. The  
SCXI-1000 and SCXI-1000DC hold up to four modules. The SCXI-1001  
holds up to 12 modules.  
This chapter describes the SCXI chassis, lists what you need to get started,  
and describes the optional software and equipment.  
About the SCXI Chassis  
The SCXI-1000 and SCXI-1001 chassis are powered with standard AC  
power. The SCXI-1000DC is powered by any 9.5 to 16 VDC source such  
as the optional SCXI-1382 battery pack or the SCXI-1383 power supply.  
Every SCXI chassis supplies a low-noise environment for signal  
conditioning, supplying power and control circuitry for the modules. It is  
a general-purpose chassis that you can use with current SCXI modules.  
Refer to Appendix A, Specifications, for detailed SCXI-1000,  
SCXI-1000DC, and SCXI-1001 specifications.  
What You Need to Get Started  
To set up and use the SCXI chassis, you need the following items:  
Hardware  
One of the following SCXI chassis:  
SCXI-1000  
SCXI-1000DC  
SCXI-1001  
© National Instruments Corporation  
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Introduction  
One of the following, depending on your application:  
Power cord (120, 220, or 240 VAC)  
SCXI-1382 battery pack (SCXI-1000DC only)  
SCXI-1383 (VDC) power supply (SCXI-1000DC only)  
A computer  
Software  
NI-DAQ  
One of the following software packages:  
LabVIEW  
LabWindows/CVI™  
Measurement Studio  
Documentation  
SCXI Chassis User Manual  
Read Me First: Safety and Radio-Frequency Interference  
SCXI Quick Start Guide  
Documentation for your hardware  
Documentation for your software  
You can download documentation from ni.com/support.  
Software Programming Choices  
There are several options to choose from when programming the NI plug-in  
DAQ and SCXI hardware. You can use LabVIEW, LabWindows/CVI,  
Measurement Studio, or NI-DAQ.  
NI-DAQ  
NI-DAQ has an extensive library of functions that you can call from the  
application development environment (ADE). These functions allow you  
to use all the features of NI measurement products.  
NI-DAQ carries out many of the complex interactions, such as  
programming interrupts, between the computer and the DAQ hardware.  
NI-DAQ maintains a consistent software interface among its different  
versions so that you can change platforms with minimal modifications  
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Chapter 1  
Introduction  
to your code. Whether you are using LabVIEW, LabWindows/CVI,  
Measurement Studio, VI Logger, or other ADEs, your application uses  
NI-DAQ.  
You can download the most recent version of NI-DAQ from ni.com/  
downloads.  
National Instruments ADE Software  
LabVIEW features interactive graphics, a state-of-the-art interface, and  
a powerful graphical programming language. The LabVIEW Data  
Acquisition VI Library, a series of virtual instruments for using LabVIEW  
with National Instruments DAQ hardware, is included with LabVIEW.  
LabWindows/CVI is a complete ANSI C ADE that features an interactive  
user interface, code generation tools, and the LabWindows/CVI Data  
Acquisition and Easy I/O libraries.  
Measurement Studio, which includes tools for Visual C++ and tools for  
Visual Basic, is a development suite that allows you to design test and  
measurement applications. For Visual Basic developers, Measurement  
Studio features a set of ActiveX controls for using National Instruments  
DAQ hardware. These ActiveX controls provide a high-level programming  
interface for building virtual instruments (VIs). For Visual C++ developers,  
Measurement Studio offers a set of Visual C++ classes and tools to  
integrate those classes into Visual C++ applications. The ActiveX controls  
and classes are available with Measurement Studio and the NI-DAQ  
software.  
VI Logger is an easy-to-use yet flexible tool specifically designed for data  
logging applications. Using dialog windows, you can configure data  
logging tasks to easily acquire, log, view, and share your data. VI Logger  
does not require any programming; it is a stand-alone, configuration-based  
software.  
Using LabVIEW, LabWindows/CVI, Measurement Studio, or VI Logger  
greatly reduces the development time for your data acquisition and control  
application.  
© National Instruments Corporation  
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Chapter 1  
Introduction  
National Instruments Documentation  
The SCXI Chassis User Manual is one piece of the documentation set for  
the data acquisition and SCXI system. You could have any of several types  
of documents, depending on the hardware and software in the system. Use  
the documents you have as follows:  
Getting Started with SCXI—Read this manual first. It gives an  
overview of the SCXI system and contains the most commonly needed  
information for the modules, chassis, and software.  
The SCXI Quick Start Guide—This document describes how to set up  
an SCXI chassis, install SCXI modules and terminal blocks, and  
configure the SCXI system in Measurement & Automation Explorer  
(MAX).  
The SCXI hardware user manuals—Read these manuals next for  
detailed information about signal connections and module  
configuration. They also explain in greater detail how the module  
works and contain application hints.  
The DAQ hardware user manuals—These manuals have detailed  
information about the DAQ hardware that plugs into or is connected to  
the computer. Use these manuals for hardware installation and  
configuration instructions, specification information about the DAQ  
hardware, and application hints.  
Software documentation—Examples of software documentation you  
may have are the LabVIEW, Measurement Studio, and NI-DAQ  
documentation sets. After you set up the hardware system, use either  
the application software (LabVIEW or Measurement Studio) or the  
NI-DAQ documentation to help you write your application. If you have  
a large, complicated system, it is worthwhile to look through the  
software documentation before you configure the hardware.  
Accessory installation guides or manuals—If you are using accessory  
products, read the terminal block and cable assembly installation  
guides or accessory user manuals. They explain how to physically  
connect the relevant pieces of the system. Consult these guides when  
you are making the connections.  
If you are designing your own module, the SCXIbus System  
Specification is available from NI upon request. The specification  
describes the physical, electrical, and timing requirements for the  
SCXIbus.  
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Chapter 1  
Introduction  
Optional Equipment  
NI provides a full line of modules that amplify, filter, isolate, and multiplex  
a wide variety of signal types, such as thermocouples, resistance  
temperature detectors (RTDs), strain gauges, high-voltage inputs, current  
inputs, analog outputs, and digital I/O signals. Cables and terminal blocks  
with screw terminals, BNC connectors, or thermocouple plugs are  
available to connect signals to the modules.  
Refer to the latest NI catalog and ni.com/catalog for a complete listing  
of sensors and I/O types supported in SCXI.  
© National Instruments Corporation  
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2
Configuring and Installing  
the SCXI Chassis  
This chapter contains instructions for configuring and installing the SCXI  
chassis. It describes the following:  
Chassis address selection  
Voltage and fuse selection  
Chassis, modules, and accessories installation  
Fan filter maintenance  
Chassis Description  
Table 2-1 describes the front view items shown in Figures 2-1, 2-2,  
and 2-3.  
Table 2-1. SCXI Chassis Front View Items  
Definition  
Item  
Power switch  
Indicator light  
Reset button  
Powers the chassis on and off  
When lit, indicates that the chassis is powered on  
Reinitializes Slot 0 and all modules to their power-on state when  
pressed  
Slot 0/power supply  
Contains the power supply and control circuitry for the chassis  
Determine the chassis address—SCXI-1000 and SCXI-1001  
Determine the chassis address—SCXI-1000DC only  
Address DIP switches  
Address selection  
jumpers (located behind  
the front panel)  
Module guides  
Backplane  
Guide modules to connect with the SCXIbus connector  
Brings power, control lines, and analog bus connections to modules  
Secure modules in the chassis and attach front panels  
Front threaded strips  
© National Instruments Corporation  
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Configuring and Installing the SCXI Chassis  
5
6
7
8
4
3
2
5
4
3
2
1
1
9
ON  
10  
5
6
7
8
1
2
3
4
5
Address DIP Switches  
Reset Button  
Power Switch  
Indicator Light  
Front Panel Screws  
6
Front Panel Screws  
(early revisions only)  
Module Guides  
Front Threaded Strips  
Backplane  
7
8
9
(flathead on some revisions)  
10 Slot 0/Power Supply  
Figure 2-1. SCXI-1000 Front View Diagram  
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Configuring and Installing the SCXI Chassis  
5
6
7
8
4
3
2
9
1
10  
5
6
7
8
1
Address Selection Jumpers  
(behind front panel)  
Reset Button  
Power Switch  
Indicator Light  
Front Panel Screws  
(flathead on some revisions)  
6
Front Panel Screws  
(early revisions only)  
Module Guides  
Front Threaded Strips  
Backplane  
2
3
4
5
7
8
9
10 Slot 0/Power Supply  
Figure 2-2. SCXI-1000DC Front View Diagram  
© National Instruments Corporation  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
5
6
7
8
4
3
2
5
4
3
2
1
1
ON  
10  
5
6
9
7
8
1
2
3
4
5
Address DIP Switches  
Reset Button  
Power Switch  
Indicator Light  
Front Panel Screws (flathead on some revisions)  
6
7
8
9
Front Panel Screws (early revisions only)  
Module Guides  
Front Threaded Strips  
Backplane  
10 Slot 0/Power Supply  
Figure 2-3. SCXI-1001 Front View Diagram  
Tables 2-2 and 2-3 describe the rear view items shown in Figures 2-4, 2-5,  
and 2-6.  
Table 2-2. SCXI-1000/1001 Chassis Rear View Items  
Item  
Description  
Power entry module  
Fuse  
IEC receptacle for power input, voltage selection board, and fuse  
Protects both you and the SCXI chassis in case of a fault in the chassis  
Configures the chassis for the AC line voltage  
Cools the chassis  
Voltage tumbler  
Fan(s)  
Filter(s)  
Prevents dirt from contaminating the circuitry in the chassis  
Secure the fan(s) to the chassis  
Fan screws  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
Table 2-2. SCXI-1000/1001 Chassis Rear View Items (Continued)  
Item  
Description  
Backplane fuses  
Protect the power supply from shorts on modules  
Rear connector space  
Rear threaded strips  
For module space, connector mounting brackets, or adapters  
Secure cable connections, mounting brackets, or filler panels to  
the chassis  
4
5
6
120Vac  
7
8
3
2
5
1
9
1
2
3
4
5
Fan and Filter  
Fan Screws  
Rear Threaded Strips  
Rear Connector Space  
Rear Panel Screws  
6
7
8
9
Voltage Tumbler  
Power Entry Module  
Fuse (concealed)  
Backplane Fuses (behind fan)  
(flathead on some revisions)  
Figure 2-4. SCXI-1000 Rear View Diagram  
© National Instruments Corporation  
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Configuring and Installing the SCXI Chassis  
4
5
6
120Vac  
7
8
5
3
1
9
1
2
1
2
3
4
5
Fans and Filters  
Fan Screws (each fan)  
Rear Threaded Strips  
Rear Connector Space  
Rear Panel Screws (flathead on some revisions)  
6
Voltage Tumbler  
Power Entry Module  
Fuse (concealed)  
7
8
9
Backplane Fuses (behind fan)  
Figure 2-5. SCXI-1001 Rear View Diagram  
Table 2-3. SCXI-1000DC Chassis Rear View Items  
Item  
Description  
Power entry  
connector J1  
Receptacle for power input; uses a 9.5 to 16 VDC power source  
Fuse F1  
Power input fuse (6.3 A), protects both you and the SCXI chassis in case  
of a fault in the chassis  
Fuse F2  
+5 VDC internal power supply fuse (3.15 A), protects the power supply  
from shorts on modules  
Fan(s)  
Cools the chassis  
Fan screws  
Backplane fuses  
Secure the fan(s) to the chassis  
Protect the power supply from shorts on modules  
For module space, connector mounting brackets, or adapter boards  
Rear connector  
space  
Rear threaded strips Secure cable connections, mounting brackets, or filler panels to the chassis  
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4
5
J1  
6
+
7
3
2
6.A  
250V  
F1  
8
5
3.A  
250V  
F2  
1
9
1
2
3
4
5
Fan and Filter  
Fan Screws  
Rear Threaded Strips  
Rear Connector Space  
Rear Panel Screws  
6
7
8
9
Power Entry Connector  
Power Input Fuse  
+5 VDC Internal Power Supply Fuse  
Backplane Fuses (behind fan)  
(flathead on some revisions)  
Figure 2-6. SCXI-1000DC Rear View Diagram  
Chassis Uses  
Before you configure the chassis, decide whether you are going to use it in  
multiplexed mode or parallel mode.  
In multiplexed mode, analog input (AI) channels are multiplexed into one  
module output so that the cabled E Series DAQ device has access to the  
multiplexed output of the module and the outputs of all other multiplexed  
modules in the chassis.  
In parallel mode, you need a separate E Series DAQ device for each module  
to send each of its output channels directly to a separate AI channel of the  
E Series DAQ device connected to the module.  
© National Instruments Corporation  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
Configuring the SCXI Chassis  
Configuring the chassis involves selecting a chassis or high-level data link  
control (HDLC) address, line voltage, and fuse value on any chassis.  
Note Refer to the Read Me First: Safety and Radio-Frequency Interference document  
before removing equipment covers or connecting or disconnecting any signal wires.  
Selecting Chassis Addresses  
These sections provide information about how to select addresses for the  
SCXI chassis.  
SCXI-1000/1001  
Unless you are using multiple chassis and need to configure one or more  
SCXI chassis for a different address, you can skip this section, and the  
SCXI chassis retains factory-default address of 0.  
You can configure the SCXI chassis for one of 32 different addresses so that  
you can connect multiple SCXI chassis to the same control source. The five  
switches on the front panel of Slot 0 determine the chassis address.  
Switches one through five represent the values 1, 2, 4, 8, and 16, when set  
to the ON position. When set to the OFF position, their value is zero. The  
chassis address is the sum of the switch values. Figure 2-7 shows examples  
of both the factory-default setting of the chassis address 0 and the switch  
setting for chassis address 19.  
Note SCXI-1000 chassis through revision D do not have address jumpers or switches and  
respond to any address, but you cannot use them in multichassis systems. Revision E  
chassis use jumpers on Slot 0 for chassis addressing. Revision F and later chassis use a DIP  
switch for chassis addressing.  
SCXI-1001 chassis through revision D use jumpers on Slot 0 for chassis addressing.  
Revision E and later chassis use a DIP switch for chassis addressing.  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
5
4
3
2
1
5
4
3
2
1
ON  
ON  
Chassis Default  
Address = 0  
Address = 19  
Figure 2-7. Address Setting Examples  
SCXI-1000DC  
Unless you are using multiple chassis and need to configure one or more  
SCXI chassis for a different address, you can skip this section, and the  
SCXI chassis retains the factory-default address of 0.  
You can configure the SCXI chassis for one of 32 different addresses so that  
you can connect multiple SCXI chassis to the same control source. Three  
jumpers that determine the chassis address are located behind the front  
panel of Slot 0 just below the Reset button. The chassis address is the sum  
of the values of all the jumpers. Figure 2-8 shows examples of both the  
factory-default setting of address 0 and the jumper settings for address 19.  
Note SCXI-1000DC chassis through revision C do not have address jumpers or switches  
and respond to any address, but you cannot use them in multichassis systems. Revision D  
and later chassis use jumpers on Slot 0 for chassis addressing.  
© National Instruments Corporation  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
W1  
W1  
0
2
4
6
0
2
4
6
1
3
5
7
1
3
5
7
W2  
W3  
W2  
W3  
+8  
+8  
+16  
+16  
Chassis Address 0  
Factory Setting  
Chassis Address 19  
Figure 2-8. SCXI-1000DC Chassis Address Jumper Settings  
Changing the Chassis Address  
While referring to Figures 2-2 and 2-6, complete the following steps to  
change the chassis address of the SCXI-1000DC:  
1. Power off the chassis and remove the power cord from the power entry  
module.  
2. To prevent a shock hazard, wait at least one minute before proceeding  
to step 3.  
3. Using a screwdriver, remove the four (six on some revisions) panhead  
screws from the front panel of Slot 0.  
4. Remove the six screws from the rear panel.  
5. Remove the controller from Slot 0.  
6. Set all three jumpers for the chassis address you want.  
7. Replace the controller in Slot 0.  
8. Replace the four (six on some revisions) screws. Do not overtighten.  
9. Replace the six screws in the rear panel. Do not overtighten.  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
Selecting Voltage and Replacing the Fuse for the SCXI-1000  
and SCXI-1001  
If you ordered the chassis with the appropriate part number (the -0x  
extension of the kit part number corresponds to your geographical region),  
the voltage tumbler and fuse are correct for operation in your geographical  
region. Check the voltage on the voltage tumbler to ensure that you have  
the correct voltage tumbler setting and fuse.  
The SCXI chassis can operate with line voltages of 100, 120, 220, and  
240 VAC. The voltage tumbler in the power entry module determines the  
voltage for which the chassis is configured. You can identify the operating  
voltage by looking at the number on the power entry module when the door  
that covers the tumbler is closed. The fuse is 5 × 20 mm, which has a  
current rating relative to the operating voltage. Table 2-4 shows the proper  
voltage selections and fuse ratings for different regions.  
Caution For continued protection, replace fuses only with fuses of the same type and  
rating.  
Table 2-4. SCXI-1000/1001 Voltage Selection and Fuse Ratings by Region  
SCXI  
Chassis  
Type  
Main  
Power Fuse  
Quantity  
Backplane  
Fuse  
Quantity  
Main Power  
Fuse Type  
Backplane  
Fuse Type  
Region/Voltage  
100 V Japan  
SCXI-1000  
1
1
1
1
1
1
1
3/4 A 250 V 5 mm ×  
2
2
2
2
2
2
2
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
120 V  
1/2 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
220 V Swiss  
240 V Australia  
240 V Europe  
240 V North American  
240 V U.K.  
1/4 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1/4 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1/4 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1/4 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1/4 A 250 V 5 mm ×  
1.5 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
© National Instruments Corporation  
2-11  
SCXI Chassis User Manual  
 
           
Chapter 2  
Configuring and Installing the SCXI Chassis  
Table 2-4. SCXI-1000/1001 Voltage Selection and Fuse Ratings by Region (Continued)  
SCXI  
Chassis  
Type  
Main  
Power Fuse  
Quantity  
Backplane  
Fuse  
Quantity  
Main Power  
Fuse Type  
Backplane  
Fuse Type  
Region/Voltage  
100 V Japan  
SCXI-1001  
1
1
1
1
1
1
1
2.0 A 250 5 mm ×  
2
2
2
2
2
2
2
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
120 V  
1.6 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
220 V Swiss  
240 V Australia  
240 V Europe  
240 V North American  
240 V U.K.  
1.0 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1.0 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1.0 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1.0 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
1.0 A 250 5 mm ×  
4 A 125 V LittleFuse  
R251 01.5 TI  
20 mm SLO-BLO  
Selecting the Voltage  
Complete the following steps to select a voltage:  
1. Power off the chassis.  
2. Remove the power cord from the power entry module.  
3. Using a flathead screwdriver, pry the door to the tumbler open from  
the top.  
4. Remove the voltage tumbler.  
5. Rotate the tumbler to the appropriate voltage and reinsert it into the  
power entry module.  
6. Close the door.  
7. Check to make sure that the voltage showing on the selection tumbler  
is correct.  
8. Reinsert the power cord.  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
Replacing the Power Entry Module Fuse  
Caution Disconnect all power before removing the cover.  
Complete the following steps to replace the power entry module fuse:  
1. Power off the chassis.  
2. Remove the power cord from the power entry module.  
3. Using a flathead screwdriver, pry the door to the voltage selection  
tumbler open from the top.  
4. Pull out the fuse drawer.  
5. Remove the fuse.  
6. Install the new fuse in the drawer.  
7. Reinsert the fuse drawer in the right-hand slot with the arrow pointing  
to the right.  
8. Close the door.  
9. Reinsert the power cord.  
Replacing and Checking Backplane Fuses on the  
SCXI-1000 and SCXI-1001  
In addition to the power entry module fuse, the analog supply lines on the  
backplane are fused at 1.5 A on the SCXI-1000 chassis and at 4 A on the  
SCXI-1001 chassis.  
If you are making your own modules, fuse the module at 250 mA to avoid  
blowing the backplane fuses. Fusing the module also better protects the  
module because a failure can result in a large amount of current drawn, but  
not enough current drawn to blow the backplane fuses.  
On the SCXI-1000, the backplane fuses are located behind the fan. On the  
SCXI-1001, the backplane fuses are located behind the right-hand fan, near  
the power entry module, as viewed from the rear of the chassis.  
© National Instruments Corporation  
2-13  
SCXI Chassis User Manual  
 
         
Chapter 2  
Configuring and Installing the SCXI Chassis  
Complete the following steps to check or replace fuses:  
1. Remove the appropriate fan and filter from the rear of the chassis by  
following the instructions in the Maintaining the Fan Filter section.  
Make sure to switch the power off and remove the power cord.  
2. The fuse marked with a copper + on the backplane is for the positive  
analog supply, and the fuse marked with a copper – is for the negative  
analog supply. To check whether a fuse is blown, connect an ohmmeter  
across the leads. If the reading is not approximately 0 , replace  
the fuse.  
3. Using a pair of needle-nose pliers, carefully extract the fuse.  
4. Take a new fuse and bend its leads so the component is 12.7 mm  
leads to a length of 6.4 mm (0.25 in.).  
5. Using the needle-nose pliers, insert the fuse into the socket holes.  
6. Repeat, if necessary, for the other fuse.  
7. Check the fan filter and, if it is dirty, clean it as described in the  
Maintaining the Fan Filter section.  
8. Reinstall the fan and filter.  
Replacing the Fuses on the SCXI-1000DC  
There are two fuses located on the rear panel of the SCXI-1000DC. The  
input power fuse (F1) is a 6.3 A, 5 × 20 mm time-lag fuse. The internal  
+5 VDC supply is fused by a 3.15 A, 5 × 20 mm time-lag fuse (F2).  
Replacing the Power Entry Fuse and +5 VDC Fuse  
Caution For continued protection against fire, replace fuses only with fuses of the same  
type and rating.  
Complete the following steps to replace the rear panel fuses:  
1. Power off the chassis.  
2. Remove the power cord from power entry connector J1.  
3. Turn the fuse holder counter-clockwise with a screwdriver and pull out  
the fuse holder to expose the fuse in the housing.  
4. Remove the fuse.  
5. Install the new fuse.  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
6. Push the fuse holder back into the housing and screw it clockwise until  
it is tight.  
7. Reinsert the power cord.  
Replacing and Checking Backplane Fuses  
In addition to the power entry and the +5 V supply fuses, the analog supply  
lines on the backplane are fused at 1.5 A on the SCXI-1000DC chassis.  
If you design a special/prototype module, use the SCXI-1181 module and  
fuse the module at 250 mA to avoid blowing the analog backplane and  
+5 V supply fuses. Fusing the module better protects the module because a  
failure can result in a large amount of current drawn, but not enough to blow  
the backplane and +5 V fuses.  
On the SCXI-1000DC, the backplane fuses are located behind the fan.  
Complete the following steps to check or replace fuses:  
1. Remove the appropriate fan and filter from the rear of the chassis by  
following the instructions in the Maintaining the Fan Filter section.  
Be sure to switch the power off and remove the power cord.  
2. The fuse marked with a copper + on the backplane is for the positive  
analog supply, and the fuse marked with a copper – is for the negative  
analog supply. To check whether a fuse is blown, connect an ohmmeter  
across the leads. If the reading is not approximately 0 , replace the  
fuse.  
3. Using a pair of needle-nose pliers, carefully extract the fuse.  
4. Take a new fuse and bend its leads so the component is 12.7 mm  
leads to a length of 6.4 mm (0.25 in.).  
5. Using the needle-nose pliers, insert the fuse into the socket holes.  
6. Repeat, if necessary, for the other fuse.  
7. Check the fan filter and, if it is dirty, clean it as described in the  
Maintaining the Fan Filter section.  
8. Reinstall the fan and filter.  
© National Instruments Corporation  
2-15  
SCXI Chassis User Manual  
 
         
Chapter 2  
Configuring and Installing the SCXI Chassis  
Installing the SCXI Chassis  
These sections provide information about installing the SCXI chassis.  
Installing the SCXI-1000 and SCXI-1001 Chassis  
Complete the following steps to install the SCXI-1000 and SCXI-1001  
chassis:  
1. If necessary, change the chassis address of the box by following the  
instructions in the Selecting Chassis Addresses section. Unless you are  
using multiple chassis, skip this step and leave the address at its  
factory-default setting of 0.  
2. Place the SCXI chassis on a sturdy, level surface. Leave at least 10 cm  
(4 in.) of space behind the chassis for adequate air circulation.  
3. Power off the chassis.  
4. Make sure the voltage selection tumbler in the power entry module is  
set for the line voltage of the outlet. Refer to the Selecting the Voltage  
section if necessary.  
5. Insert the female end of the power cord into the power entry module.  
6. Insert the male end of the power cord into the wall outlet.  
7. Install the modules into the chassis.  
8. Install the necessary cabling for the modules. Consult the SCXI  
module user manual for cabling installation instructions.  
9. Install any front and rear filler panels.  
10. Power on the chassis.  
11. Power on the computer connected to the modules.  
12. Refer to the SCXI Quick Start Guide to complete the SCXI system  
installation.  
Installing the SCXI-1000DC Chassis  
Complete the following steps to install the SCXI-1000DC chassis:  
1. If necessary, change the chassis address by following the instructions  
in the Selecting Chassis Addresses section. Unless you are using  
multiple chassis, skip this step and leave the address at its  
factory-default setting of 0.  
2. Place the SCXI chassis on a sturdy, level surface. Leave at least 10 cm  
(4 in.) of space behind the chassis for adequate air circulation.  
3. Place the chassis power switch in the off position.  
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Chapter 2  
Configuring and Installing the SCXI Chassis  
4. Make sure the voltage of the power source is between 9.5 and 16 VDC.  
5. Insert the power plug into the header J1.  
Caution Revision A SCXI-1000DC chassis have screw terminals on the rear panel to  
connect the power source. Wire the power source to these screw terminals. Observe the  
correct polarity, as connecting the power source with the wrong polarity can cause  
permanent damage to the chassis. NI is not liable for any damage or injuries resulting from  
improper power connections.  
6. Install the modules into the chassis.  
7. Install the necessary cabling for the modules. Consult the SCXI  
module user manual for cabling installation instructions.  
8. Install any needed front and rear filler panels.  
9. Power on the chassis.  
10. Power on the computer connected to the modules.  
11. Refer to the SCXI Quick Start Guide to complete the SCXI system  
installation.  
Installing Filler Panels  
The front and rear filler panel accessories protect the inside of the chassis  
and the installed modules by preventing unwanted material from entering  
the chassis and damaging modules, or forming conductive paths that can  
degrade performance. Install all modules first, then start installing filler  
panels from the edge of a front panel.  
Installing Front Filler Panels  
Complete the following steps to install front filler panels:  
1. Place the panel with the captive screws to the right of the chassis front.  
Line up the screws with the threaded strip holes.  
2. Using a flathead screwdriver, screw the captive screws into the  
threaded strip holes.  
© National Instruments Corporation  
2-17  
SCXI Chassis User Manual  
 
       
Chapter 2  
Configuring and Installing the SCXI Chassis  
Installing Rear Panels  
Complete the following steps to install rear panels:  
1. Place the panel at the rear of the chassis between the two threaded  
strips. Align the panel so that the serial number faces into the chassis  
and the screw holes are on the right.  
2. Using a flathead screwdriver, screw the two screws through the rear  
panel into the threaded strip holes.  
Maintaining the Fan Filter  
The brushless fan(s) on the rear of the SCXI chassis cool the chassis and  
modules. To keep the fan effective, the fan filter(s) must be clean. Dust and  
dirt accumulation reduces airflow, making the inside of the chassis hotter,  
shortening the life of the chassis and modules. Complete the following  
steps to clean the fan filter(s):  
1. Power off the chassis.  
2. Remove the power cord from the power entry module.  
3. Place the chassis face down on a flat surface so that the fan is on top.  
If the chassis is so heavily cabled that you cannot easily place it in this  
position, leave the chassis as it is, but be careful to support the fan  
during removal and reinstallation to avoid breaking the fan wires.  
4. Remove the fan filter. Remove the four screws that secure the fan and  
filter to the rear of the chassis. When removing the last screw, be  
careful to hold the fan to avoid breaking the fan wires.  
5. Clean the fan filter by moving the filter around under a gentle stream  
of cold tap water until all the dust is removed. Dry the filter.  
6. Replace the fan filter by aligning the fan and filter with the fan holes,  
making sure that the label side of the fan is face down. Reinstall the  
four screws and make sure the assembly is secure.  
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A
Specifications  
This appendix lists the specifications of the SCXI chassis. These are typical  
at 25 °C unless otherwise stated.  
Electrical Characteristics  
SCXI-1000/  
1000DC  
Supplies  
SCXI-1101  
V+  
Tolerance limits include  
peaks  
+18.5 to +25 V  
+18.5 to +25 V  
Ripple (peak-to-peak)  
1.5 V  
1.5 V  
Max load  
V–  
680 mA  
2.04 A  
Tolerance limits include  
peaks  
–18.5 to –25 V  
–18.5 to –25 V  
Ripple (peak-to-peak)  
Max load  
1.5 V  
1.5 V  
680 mA  
2.04 A  
+5 V  
Tolerance limits include  
peaks  
+4.75 to +5.25 V  
+4.75 to +5.25 V  
Ripple (peak-to-peak)  
Max load  
50 mV  
50 mV  
250 mA  
600 mA  
Power dissipation................................... 7 W per slot  
© National Instruments Corporation  
A-1  
SCXI Chassis User Manual  
 
       
Appendix A  
Specifications  
Maximum loads are the supply current for the entire chassis. Scaling the  
maximum power gives the allotted current per slot, as follows.  
Supplies  
V+  
SCXI-1000/1000DC  
170 mA  
SCXI-1001  
170 mA  
170 mA  
50 mA  
V–  
170 mA  
+5 V  
50 mA  
Source Power Requirements  
Max AC Current  
Line Voltage,  
47–63 Hz  
SCXI-1000  
0.6 A  
SCXI-1001  
1.25 A  
120 VAC, 10%  
100 VAC, 10%  
240 VAC, 10%  
220 VAC, 10%  
0.5 A  
1.25 A  
0.25 A  
0.25 A  
0.75 A  
0.75 A  
SCXI-1000DC  
Input voltage...........................................12 VDC nominal  
(9.5 to 16.0 VDC)  
Max DC operating current  
at 9.5 VDC..............................................5.5 A  
Physical  
Weight  
SCXI-1000..............................................3.9 kg (8 lb 10 oz)  
SCXI-1000DC ........................................3.3 kg (7 lb 5 oz)  
SCXI-1001..............................................6.8 kg (14 lb 14 oz)  
Refer to Figures A-1 and A-2 for the physical dimensions of the four-slot  
chassis (SCXI-1000 and SCXI-1000DC) and the 12-slot chassis  
(SCXI-1001).  
SCXI Chassis User Manual  
A-2  
ni.com  
 
     
Appendix A  
Specifications  
© National Instruments Corporation  
A-3  
SCXI Chassis User Manual  
 
       
Appendix A  
Specifications  
SCXI Chassis User Manual  
A-4  
ni.com  
 
         
Appendix A  
Specifications  
Environmental  
Operating temperature............................ 0 to 50 °C  
Storage temperature ............................... –20 to 70 °C  
Humidity ................................................ 10 to 90% RH, noncondensing  
Maximum altitude.................................. 2,000 meters  
Pollution Degree (indoor use only)........ 2  
Safety  
The chassis are designed to meet the requirements of the following  
standards of safety for electrical equipment for measurement, control,  
and laboratory use:  
IEC 61010-1, EN 61010-1  
UL 3111-1, UL 61010B-1  
CAN/CSA C22.2 No. 1010.1  
Note For UL and other safety certifications, refer to the product label, or visit  
ni.com./hardref.nsf, search by model number or product line, and click the  
appropriate link in the Certification column.  
Electromagnetic Compatibility  
Emissions ............................................... EN 55011 Class A at 10 m.  
FCC Part 15A above 1 GHz  
Immunity................................................ EN 61326-1:1997 + A2:2001,  
Table 1  
EMC/EMI............................................... CE, C-Tick, and FCC Part 15  
(Class A) Compliant  
Note For EMC compliance, operate this device with shielded cabling.  
© National Instruments Corporation  
A-5  
SCXI Chassis User Manual  
 
     
Appendix A  
Specifications  
CE Compliance  
The chassis meet the essential requirements of applicable European  
Directives, as amended for CE marking, as follows:  
Low-Voltage Directive (safety)..............73/23/EEC  
Electromagnetic Compatibility  
Directive (EMC).....................................89/336/EEC  
Note Refer to the Declaration of Conformity (DoC) for this product for any additional  
regulatory compliance information. To obtain the DoC for this product, visit  
ni.com/hardref.nsf, search by model number or product line, and click the  
appropriate link in the Certification column.  
SCXI Chassis User Manual  
A-6  
ni.com  
 
 
B
Common Questions  
My chassis worked fine until I inadvertently removed and reinserted a  
module while the chassis was on. Now my chassis does not power on.  
What can I do?  
SCXI modules are not hot swapable, so you may have blown a fuse. Refer  
to Chapter 2, Configuring and Installing the SCXI Chassis, for information  
on fuse replacement. If replacing the fuse does not correct the problem, you  
may have damaged the digital bus circuitry or the SCXI module. Please  
contact NI Technical Support at ni.com/support for assistance.  
My chassis power is on, my modules are configured for multiplexed  
voltage even though I know I am putting different voltages into each  
channel. What is causing this problem?  
The SCXI chassis has backplane fuses. One or both of these fuses could be  
blown. Refer to the Replacing and Checking Backplane Fuses on the  
SCXI-1000 and SCXI-1001 section of Chapter 2, Configuring and  
Installing the SCXI Chassis, for fuse replacement information.  
Can I programmatically detect whether or not my chassis is  
powered on?  
Not exactly. You can determine whether or not you can communicate with  
configured modules through SCXI_ModuleID_Read in NI-DAQ or using  
a LabVIEW VI that you can obtain from ni.com/express by entering the  
info code rdtscp.  
My chassis will not power on. What should I check?  
Check the to make sure the power cord is attached and connected to a power  
source. Look at the voltage selection tumbler above the power cord  
receptacle and make sure it is set to the correct voltage. Make sure the  
power switch is powered on. Verify that the main power fuse is good.  
© National Instruments Corporation  
B-1  
SCXI Chassis User Manual  
 
         
Glossary  
Symbol  
Prefix  
pico  
Value  
10–12  
10–3  
p
m
k
milli  
kilo  
103  
Numbers/Symbols  
°
degrees  
negative of, or minus  
ohms  
plus or minus  
positive of, or plus  
percent  
+
%
+5 V (signal)  
+5 VDC source signal  
A
A
amperes  
A/D  
AC  
analog-to-digital  
alternating current  
C
C
Celsius  
© National Instruments Corporation  
G-1  
SCXI Chassis User Manual  
 
 
Glossary  
D
D/A  
digital-to-analog  
DAQ  
data acquisition—(1) collecting and measuring electrical signals from  
sensors, transducers, and test probes or fixtures and processing the  
measurement data using a computer; (2) collecting and measuring the same  
kinds of electrical signals with A/D and/or DIO boards plugged into a  
computer, and possibly generating control signals with D/A and/or DIO  
boards in the same computer  
F
F
(1) Fahrenheit—a temperature measurement scale;  
(2) farad—a measurement unit of capacitance  
FIFO  
fuse  
first-in first-out memory buffer  
a protective device that breaks a circuit when a current exceeds a rated value  
G
GND  
ground  
H
HDLC  
high-level data-link control  
Hz  
hertz—cycles per second of a periodic signal  
I
I/O  
input/output—the transfer of data to/from a computer system involving  
communications channels, operator interface devices, and/or data  
acquisition and control interfaces  
IEC  
in.  
International Electrotechnical Commission  
inch or inches  
SCXI Chassis User Manual  
G-2  
ni.com  
 
Glossary  
K
kg  
kilograms  
pounds  
L
lb  
O
oz  
ounces  
S
s
seconds  
SCXI  
Signal Conditioning eXtensions for Instrumentation  
V
V
volts  
VAC  
VDC  
volts, alternating current  
volts, direct current  
W
W
watts  
© National Instruments Corporation  
G-3  
SCXI Chassis User Manual  
 
Index  
chassis usage considerations, 2-7  
backplane  
Symbols  
+5 VDC fuse replacement, SCXI-1000DC, 2-14  
SCXI-1000 and SCXI-1001, 2-13  
fuse replacement for power entry module  
SCXI-1000DC, 2-14  
A
address selection, 2-8  
SCXI-1000 and SCXI-1001  
(figure), 2-9  
SCXI-1000DC (figure), 2-10  
jumperless chassis (note), 2-8  
voltage selection for SCXI-1000 and  
SCXI-1001  
procedure, 2-12  
voltage selection and fuse ratings by  
region (table), 2-11  
B
D
documentation  
conventions used in the manual, iv  
C
cables, optional equipment, 1-5  
CE compliance specifications, A-6  
chassis address selection. See address selection  
configuration  
electromagnetic compatibility  
environmental specifications, A-5  
equipment, optional, 1-5  
See also installation  
address selection  
SCXI-1000 and SCXI-1001, 2-8  
figure, 2-9  
SCXI-1000DC, 2-9  
fan filter maintenance, 2-18  
filler panel installation  
figure, 2-10  
chassis descriptions  
front filler panel, 2-17  
front view diagrams, 2-2, 2-3, 2-4  
front view items (table), 2-1  
rear view diagrams, 2-5, 2-6, 2-7  
rear view items (table), 2-4, 2-6  
rear filler panel, 2-18  
frequently asked questions, B-1  
© National Instruments Corporation  
I-1  
SCXI Chassis User Manual  
 
 
Index  
optional equipment, 1-5  
overview, 1-1  
backplane fuse replacement and check  
procedure  
SCXI chassis descriptions  
front view diagrams  
SCXI-1000, 2-2  
SCXI-1000 and SCXI-1001, 2-11  
fuse replacement for power entry module  
+5 VDC fuse replacement,  
SCXI-1000DC, 2-14  
SCXI-1000DC, 2-3  
SCXI-1001, 2-4  
front view items (table), 2-1  
rear view diagrams  
SCXI-1000, 2-5  
SCXI-1000DC, 2-14  
SCXI-1000DC, 2-7  
fuse, blown, B-1  
rear view items (table)  
I
installation  
SCXI modules  
chassis descriptions  
troubleshooting and common  
questions, B-1  
SCXI-1000  
front view diagrams, 2-2, 2-3, 2-4  
front view items (table), 2-1  
rear view diagrams, 2-5, 2-6, 2-7  
rear view items (table), 2-4, 2-6  
fan filter maintenance, 2-18  
SCXI-1000 and SCXI-1001, 2-16  
SCXI-1000DC, 2-16  
front view diagram, 2-2  
fuse replacement  
check procedure, 2-13  
fuse ratings by region (table), 2-11  
power entry module, 2-13  
installation, 2-16, A-3  
physical dimensions (figure), A-4  
rear view items (table), 2-4  
procedure, 2-12  
M
maintenance of fan filter, 2-18  
P
voltage selection and fuse ratings by  
region (table), 2-11  
SCXI-1000DC  
S
safety specifications, A-5  
SCXI chassis  
address selection, 2-9  
jumper settings (figure), 2-10  
front view diagram, 2-3  
hardware and software requirements, 1-1  
SCXI Chassis User Manual  
I-2  
ni.com  
 
Index  
source power requirements  
SCXI-1000 and 1001, A-2  
SCXI-1000DC, A-2  
check procedure, 2-15  
specifications  
power entry fuse and +5 VDC, 2-14  
installation, 2-16  
physical dimensions (figure), A-4  
rear view diagram, 2-7  
environmental, A-5  
rear view items (table), 2-6  
source power requirements, A-2  
SCXI-1001  
physical dimensions  
(figure), A-4  
SCXI-1001 (figure), A-3  
safety, A-5  
source power requirements  
SCXI-1000 and 1001, A-2  
check procedure, 2-13  
weight, A-2  
fuse ratings by region (table), 2-11  
power entry module, 2-13  
installation, 2-16  
voltage selection  
physical dimensions (figure), A-3  
source power requirements, A-2  
voltage selection, 2-11  
See also fuse replacement  
SCXI-1000 and SCXI-1001, 2-11  
voltage selection and fuse ratings by  
region (table), 2-11  
procedure, 2-12  
voltage selection and fuse ratings by  
region (table), 2-11  
software programming choices, 1-2  
W
weight specifications, A-2  
© National Instruments Corporation  
I-3  
SCXI Chassis User Manual  
 

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