National Instruments Network Card NI PXI 1056 User Manual

PXI  
NI PXI-1056 User Manual  
NI PXI-1056 User Manual  
September 2005  
371551A-01  
 
 
Important Information  
Warranty  
The NI PXI-1056 is 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.  
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Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or mechanical, including photocopying,  
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Instruments Corporation.  
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Members of the National Instruments Alliance Partner Program are business entities independent from National Instruments and have no  
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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  
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ANY LIFE SUPPORT SYSTEMS WHOSE FAILURE TO PERFORM CAN REASONABLY BE EXPECTED TO CAUSE SIGNIFICANT  
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DEVICES, TRANSIENT FAILURES OF ELECTRONIC SYSTEMS (HARDWARE AND/OR SOFTWARE), UNANTICIPATED USES OR  
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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  
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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.  
 
About This Manual  
Chapter 1  
System Controller Slot ....................................................................................1-5  
Star Trigger Slot ..............................................................................................1-5  
Local Bus.........................................................................................................1-6  
Chapter 2  
Connecting Safety Ground.............................................................................................2-4  
Connecting to Power Source..........................................................................................2-4  
Installing a PXI Controller.............................................................................................2-5  
Installing PXI Modules..................................................................................................2-7  
Power Switch LED Indicator.........................................................................................2-8  
Front Panel LED Indicators ...........................................................................................2-8  
© National Instruments Corporation  
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Contents  
RS-232 Command Syntax ................................................................ 2-10  
PXI System Configuration with MAX.......................................................................... 2-14  
Trigger Configuration in MAX....................................................................... 2-16  
Chapter 3  
Replacing the Modular Power Supply........................................................................... 3-3  
Removal .......................................................................................................... 3-4  
Configuration .................................................................................................. 3-4  
Connecting Safety Ground.............................................................................. 3-4  
Connecting to Power Source........................................................................... 3-4  
Appendix A  
Specifications  
Appendix B  
Pinouts  
Technical Support and Professional Services  
Glossary  
Index  
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About This Manual  
The NI PXI-1056 User Manual contains information about installing,  
configuring, using, and maintaining the NI PXI-1056 18-slot chassis.  
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 symbol 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.  
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. Italic text 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, and code excerpts.  
© National Instruments Corporation  
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About This Manual  
Related Documentation  
The following documents contain information that you might find helpful  
as you read this manual:  
CompactPCI Specification PICMG 2.0 R 3.0  
PXI Hardware Specification, Revision 2.2  
PXI Software Specification, Revision 2.2  
IEEE 1101.1-1991, IEEE Standard for Mechanical Core  
Specifications for Microcomputers Using IEC 603-2 Connectors  
IEEE 1101.10, IEEE Standard for Additional Mechanical  
Specifications for Microcomputers Using IEEE 1101.1 Equipment  
Practice  
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1
Getting Started  
This chapter describes the key features of the PXI-1056 chassis and lists  
the kit contents and optional equipment you can order from National  
Instruments.  
Unpacking  
Carefully inspect the shipping container and the chassis for damage. Check  
for visible damage to the metal work. Check to make sure all handles,  
hardware, and switches are undamaged. Inspect the inner chassis for any  
possible damage, debris, or detached components. If damage appears to  
have been caused during shipment, file a claim with the carrier. Retain the  
packing material for possible inspection and/or reshipment.  
What You Need to Get Started  
The PXI-1056 kit contains the following items:  
PXI-1056 chassis  
Filler panels  
AC power cable (refer to Table 1-1 for AC power cables)  
NI PXI-1056 User Manual  
Read Me First: Safety and Radio-Frequency Interference  
Driver CD-ROM containing NI PXI chassis software  
Chassis number labels  
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Table 1-1. AC Power Cables  
Reference Standards  
Power Cable  
Standard 120 V (USA)  
Switzerland 220 V  
NEMA 5-15  
SEV  
Australia 240 V  
AS C112  
Universal Euro 230 V  
North America 240 V  
United Kingdom 230 V  
CEE (7), II, IV, VII IEC83  
NEMA 6-15  
BS 1363/IEC83  
If you are missing any of the items listed in Table 1-1, or if you have the  
incorrect AC power cable, contact National Instruments.  
Key Features  
The PXI-1056 combines a high-performance 18 slot 3U-sized (or 4 3U and  
7 6U slot) PXI backplane with a high-output power supply and a structural  
design that has been optimized for maximum usability in a wide range of  
applications. The modular design of the chassis ensures a high level of  
maintainability, resulting in a very low mean time to repair (MTTR). The  
PXI-1056 complies with the PXI Hardware Specification, Revision 2.2  
(32-bit), offering advanced timing and synchronization features.  
Note The PXI-1056 chassis only complies with the 32-bit/33 MHz operational specs of  
the PXI Hardware Specification.  
The key features of the PXI-1056 include the following:  
PXI and CompactPCI (PICMG 2.0 R 3.0) module compatibility  
4 3U-sized and 7 6U-sized dual-stack capable slots  
Universal AC input: automatic voltage and frequency ranging  
Over-current protection through push-reset circuit breaker (no  
AC-input fuses to replace)  
Removable modular power-supply shuttle  
Remote voltage, temperature, and fan monitoring through a rear-panel  
RS-232 connector  
On/Off (Standby) power switch on the front panel for easy access  
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Temperature-sensing module that can adjust fan speed based on  
air-intake temperature to minimize audible noise  
Front-panel LEDs that indicate a voltage regulation failure, a fan  
failure, or over-temperature condition  
Programmable PXI trigger routing between PXI bus segments  
Optional carrying handle and feet for portability  
Front rack mount brackets and handles  
Chassis Description  
Figures 1-1 and 1-2 show the key features of the PXI-1056 chassis front  
and rear panels. Figure 1-1 shows the front view of the PXI-1056.  
Figure 1-2 shows the rear view.  
2
1
11  
NI PXI-1056  
4
3
10  
9
4
5
8
6
7
2
1
2
3
4
On/Off (Standby) Power Switch  
Mounting Brackets  
3U Filler Panels  
5
6
7
8
Chassis Handle  
6U Filler Panels  
Rubber Feet  
Controller Expansion Slots  
9
System Controller Slot  
10 Star Trigger/Peripheral Slot  
11 Voltage/Fan/Temperature LEDs  
Generic Peripheral Slots  
Figure 1-1. Front View of the PXI-1056 Chassis  
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1
8
7
6
2
3
2
2
3
2
4
5
1
2
3
4
5
Fan Filter Cover  
6
7
8
Universal AC Inlet  
Fan Speed Selector Switch  
RS-232 Connector for Remote  
Voltage/Temperature/Fan Monitoring  
Power Supply Shuttle Retainer Screws (x4)  
Power Supply Shuttle Handles (x2)  
Chassis Ground Screw  
Circuit Breaker  
Figure 1-2. Rear View of the PXI-1056 Chassis  
Optional Equipment  
Contact National Instruments to order the following options for the  
PXI-1056 chassis.  
EMC Filler Panels  
Optional EMC filler panel kits are available from National Instruments.  
Rear Rack Mount Kits  
A rear rack mount kit option is available for mounting the PXI-1056 chassis  
into a 19 in. instrument cabinet.  
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Chapter 1  
Getting Started  
PXI-1056 Backplane Overview  
Interoperability with CompactPCI  
The PXI-1056 backplane is interoperable with 5 V and universal  
PXI-compatible products and standard CompactPCI products. This is an  
important feature, because some PXI systems may require components that  
do not implement PXI-specific features. For example, you may want to use  
a standard CompactPCI network interface card in a PXI chassis.  
The signals on the backplane P1 connectors meet the requirements of the  
CompactPCI specification for both peripheral and system modules. Refer  
to Appendix B, Pinouts, for pinout information.  
The PXI-specific signals are on the backplane P2 connectors and are  
found only on those signal lines reserved or not used in the CompactPCI  
64-bit specification. Therefore, all modules that meet the requirements  
of the CompactPCI 64-bit specification will function in the PXI-1056.  
Refer to Appendix B, Pinouts, for pinout information.  
Note The PXI-1056 backplane is 32-bit PCI. 64-bit CompactPCI cards will operate in  
32-bit mode in this chassis.  
The PXI-1056 backplane has +5 V V(I/O). Refer to the CompactPCI  
Specification PICMG 2.0 R 3.0 for details regarding V(I/O).  
System Controller Slot  
The system controller slot is slot 1 of the chassis as defined by the PXI  
Specification. It has one controller expansion slot for system controller  
modules that are wider than one slot. As defined in the PXI Specification,  
these slots allow the controller to expand to the left to prevent the controller  
from using peripheral slots.  
Star Trigger Slot  
The star trigger (ST) slot is slot 2. This slot has dedicated equal-length  
trigger lines between slot 2 and peripheral slots 3 through 15 (refer to  
Figure 1-3). The PXI Specification defines only 13 star trigger lines;  
therefore, the last three slots do not receive a star trigger. Slot 2 is intended  
for modules with ST functionality that can provide individual triggers to all  
other peripheral modules. However, if you do not require advanced trigger  
functionality, you can install any standard peripheral module in this slot.  
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The star trigger slot can also be used to provide a PXI_CLK10 signal to the  
backplane. For more information regarding PXI_CLK10, refer to the  
System Reference Clock section.  
Peripheral Slots  
Local Bus  
There are 17 3U-sized peripheral slots including the star trigger slot. Three  
of these slots can only be used for 3U modules. The chassis has a number  
of peripheral slots that can also be used in a 6U configuration. They can be  
used for a mix of 3U and 6U modules, or they can be used to hold up to  
7 6U modules.  
The PXI backplane local bus is a daisy-chained bus that connects each  
peripheral slot with adjacent peripheral slots (refer to Figure 1-3). For  
example, slot 2’s right local bus connects to slot 3’s left local bus, and so on.  
The left local bus signal lines on slot 2 are used for star trigger and do not  
connect to slot 1. The right local bus signal lines on slots 4, 11, and 18 are  
not routed anywhere. Likewise, the left local bus signal lines on shots 5 and  
12 are not routed anywhere.  
Each local bus is 13 lines wide and can pass analog signals up to 42 V  
between cards or provide a high-speed TTL side-band digital  
communication path that does not reduce the PXI bus bandwidth.  
Initialization software uses the configuration information specific to  
adjacent peripheral modules to evaluate local bus compatibility.  
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i g r g e r C S o t n a t r r o T l l e r  
S y s t e m C o n t r o l l e r  
Figure 1-3. PXI CLK_10 and Star Trigger Routing  
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Trigger Bus  
All slots on each PXI bus segment share eight PXI trigger lines. You can  
use these trigger lines in a variety of ways. For example, you can use  
triggers to synchronize the operation of several different PXI peripheral  
modules. In other applications, one module located in slot 2 can control  
carefully timed sequences of operations performed on other modules in the  
system. Modules can pass triggers to one another, allowing precisely timed  
responses to asynchronous external events the system is monitoring or  
controlling.  
The PXI trigger lines from adjacent PXI trigger bus segments can be routed  
in either direction across the PXI bridges through buffers. This allows you  
to send trigger signals to, and receive trigger signals from, every slot in the  
chassis. Static trigger routing (user-specified line and directional  
assignments) can be configured through Measurement & Automation  
Explorer (MAX). Dynamic routing of triggers (automatic line assignments)  
is supported through certain National Instruments drivers like NI-DAQmx.  
Note Although any trigger line may be routed in either direction, it cannot be routed in  
more than one direction at a time.  
System Reference Clock  
The PXI-1056 supplies the PXI 10 MHz system clock signal (PXI_CLK10)  
independently to each peripheral slot. An independent buffer (having a  
source impedance matched to the backplane and a skew of less than 250 ps  
between slots) drives the clock signal to each peripheral slot. You can use  
this common reference clock signal to synchronize multiple modules in a  
measurement or control system. You can drive PXI_CLK10 from an  
external source through the PXI_CLK10_IN pin on the P2 connector of the  
star trigger slot. Refer to Table B-4, P2 (J2) Connector Pinout for the Star  
Trigger Slot. Sourcing an external clock on this pin automatically overrides  
the backplane’s 10 MHz source.  
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2
Installation and Configuration  
This chapter describes how to install, configure, and use the PXI-1056  
chassis.  
Before connecting the chassis to a power source, read this chapter and the  
Read Me First: Safety and Radio-Frequency Interference document  
included with your chassis.  
Safety Information  
Caution Before undertaking any troubleshooting, maintenance, or exploratory procedure,  
carefully read the following caution notices.  
This equipment contains voltage hazardous to human life and safety, and is  
capable of inflicting personal injury.  
Chassis Grounding—The PXI-1056 requires a connection from the  
premise wire safety ground to the PXI-1056 chassis ground. The earth  
safety ground must be connected during use of this equipment to  
minimize shock hazards. Refer to the Connecting Safety Ground  
section for instructions on connecting safety ground.  
Live Circuits—Operating personnel and service personnel must not  
remove protective covers when operating or servicing the PXI-1056.  
Adjustments and service to internal components must be undertaken  
by qualified service technicians. During service of this product, the  
mains connector to the premise wiring must be disconnected.  
Dangerous voltages may be present under certain conditions; use  
extreme caution.  
Explosive Atmosphere—Do not operate the chassis in conditions  
where flammable gases are present. Under such conditions this  
equipment is unsafe and may ignite the gases or gas fumes.  
Part Replacement—Only service this equipment with parts that are  
exact replacements, both electrically and mechanically. Contact  
National Instruments for replacement part information. Installation of  
parts with those that are not direct replacements may cause harm to  
© National Instruments Corporation  
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Chapter 2  
Installation and Configuration  
personnel operating the chassis. Furthermore, damage or fire may  
occur if replacement parts are unsuitable.  
Modification—Do not modify any part of the chassis from its original  
condition. Unsuitable modifications may result in safety hazards.  
Chassis Cooling Considerations  
The PXI-1056 is designed to operate on a bench or in an instrument rack.  
Determine how you want to use the PXI-1056 and follow the appropriate  
installation instructions.  
Providing Adequate Clearance  
Apertures in the rear and along the left side of the chassis facilitate power  
supply and module cooling. Air enters through a filter and fan inlet in the  
right rear of the chassis and exits through the left side of the chassis, as  
shown in Figure 2-1. Place the PXI-1056 on a bench top or in an instrument  
rack so that the fan (air inlet) and the air outlet apertures along the right side  
of the chassis have adequate ventilation. Keep other equipment a minimum  
of 76.2 mm (3 in.) away from the air inlet on the rear of the chassis.  
When rack mounting the PXI-1056, provide at least 44.5 mm (1.75 in.)  
clearance on the right side of the unit for adequate venting. High-power  
applications may require additional clearance.  
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Installation and Configuration  
1
2
1
Air Outlets (Side of Chassis)  
2
Air Intake (Back of Chassis)  
Figure 2-1. PXI-1056 Chassis Airflow Side View  
simplifies replacing the air filter or power supply shuttle, if necessary.  
Setting Fan Speed  
The fan-speed selector switch is on the rear panel of the PXI-1056. Refer  
to Figure 1-2, Rear View of the PXI-1056 Chassis, to locate the fan-speed  
selector switch. Select HIGH for maximum cooling performance  
(recommended) or AUTO for quieter operation. When set to AUTO,  
the fan speed is determined by chassis intake air temperature.  
Installing Filler Panels  
To improve module cooling performance, install filler panels (provided  
with the chassis) in unused or empty slots. Secure with the captive  
mounting screws provided.  
© National Instruments Corporation  
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Chapter 2  
Installation and Configuration  
Rack Mounting  
Rack-mount applications may require the optional rear rack mount kit  
available from National Instruments. Refer to Figure A-3, PXI-1056 Rack  
Mount Components, and the instructions supplied with the rack mount kits  
to install your PXI-1056 in an instrument rack.  
Note You may want to remove the feet from the PXI-1056 when rack mounting. To do so,  
remove the screws holding the feet in place.  
Connecting Safety Ground  
Caution The PXI-1056 chassis is designed with a three-position NEMA 5-15 style plug  
for the U.S. that connects the ground line to the chassis ground. To minimize shock hazard,  
make sure the electrical power outlet you use to power the chassis has an appropriate earth  
safety ground.  
If your power outlet does not have an appropriate ground connection, you  
must connect the premise safety ground to the chassis grounding screw  
located on the rear panel. Refer to Figure 1-2, Rear View of the PXI-1056  
Chassis, to locate the chassis grounding screw. Complete the following  
steps to connect the safety ground.  
1. Connect a 16 AWG (1.3 mm) wire to the chassis grounding screw  
using a grounding lug. The wire must have green insulation with a  
yellow stripe or must be noninsulated (bare).  
2. Attach the opposite end of the wire to permanent earth ground using  
toothed washers or a toothed lug.  
Connecting to Power Source  
Caution Do not install modules prior to performing the following power-on test.  
Attach input power through the rear AC inlet using the appropriate  
AC power cable supplied. Refer to Figure 1-2, Rear View of the PXI-1056  
Chassis, to locate the AC inlet.  
Caution To completely remove power, you must disconnect the AC power cable.  
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The power switch allows you to power on the chassis or place it in standby  
mode. Push the power switch to the On (Left) position (if not already on).  
Observe that the fan becomes operational and the power switch LED is a  
steady green.  
Installing a PXI Controller  
This section contains general instructions for installing a PXI controller in  
the PXI-1056 chassis. Refer to your PXI controller user manual for specific  
instructions and cautions. Complete the following steps to install a  
controller.  
1. Plug in the PXI chassis before installing the controller. The power cord  
grounds the chassis and protects it from electrical damage while you  
install the controller. Make sure the chassis power switch is in the  
Off (Standby) position.  
Caution To protect both yourself and the chassis from electrical hazards, leave the chassis  
off until you finish installing the controller.  
2. Install the controller into the system controller slot (slot 1, indicated by  
the red card guides) by first placing the controller edges into the front  
controller guides (right and left). Slide the controller to the rear of the  
chassis (making sure that the injector/ejector handle is pushed down as  
shown in Figure 2-2).  
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Figure 2-2. Injector/Ejector Handle Position during Controller  
or Peripheral Module Insertion  
3. When you begin to feel resistance, push up on the injector/ejector  
handle to inject the controller fully into the chassis frame. Secure the  
controller front panel to the chassis using the controller front-panel  
mounting screws.  
4. Connect the keyboard, mouse, and monitor to the appropriate  
connectors. Connect devices to ports as required by your system  
configuration.  
5. Power on the chassis. Verify that the controller boots. If the controller  
does not boot, refer to your controller user manual.  
Figure 2-3 shows a PXI controller installed in the system controller slot of  
a PXI-1056 chassis. You can place CompactPCI or PXI modules in any  
other slot.  
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Installation and Configuration  
1
2
3
1
PXI-1056 Chassis  
2
Injector/Ejector Rail  
3
NI PXI Controller  
Figure 2-3. NI PXI Controller Installed in a PXI-1056 Chassis  
Installing PXI Modules  
Complete the following steps to install a module.  
1. Make sure the power switch is in the Off (Standby) position.  
2. Install a module into a chassis slot by first placing the module card  
edges into the front module guides (left and right), as shown in  
Figure 2-4. Slide the module to the rear of the chassis, making sure that  
the injector/ejector handle is pushed down as shown in Figure 2-2.  
3. When you begin to feel resistance, push up on the injector/ejector  
handle to fully inject the module into the chassis frame. Secure the  
module front panel to the chassis using the module front-panel  
mounting screws.  
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Chapter 2  
Installation and Configuration  
1
2
3
4
1
PXI-1056 Chassis  
2
PXI Module  
3
Injector/Ejector Handle  
4
NI PXI Controller  
Figure 2-4. Installing PXI or CompactPCI Modules  
Power Switch LED Indicator  
The chassis power switch has an integrated LED. This LED indicates the  
chassis is powered on and operating normally.  
Front Panel LED Indicators  
Cautions Operating the PXI system outside of the specified temperature range may result  
in loss of data, reduction of chassis life, or damage to equipment.  
Power supply output voltages out of regulation may result in equipment malfunction,  
incorrect data, or failure of system to boot.  
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Installation and Configuration  
There are six dual-color LED indicators on the front panel of the chassis.  
Four of the LEDs indicate the status of voltage supply regulation (+3.3 V,  
5 V, +12 V, –12 V). The FAN LED indicates the operational status of the  
fan. The TEMP LED indicates whether the chassis is maintaining a proper  
operating temperature, or whether there is an over-temperature condition.  
The operating temperature of the chassis should not exceed 60 °C.  
Remote Voltage, Temperature, and Fan Monitoring  
The PXI-1056 chassis supports remote voltage, temperature, and fan  
monitoring through a RS-232 9-pin D-sub connector located on the rear  
panel. Table 2-1 shows the pinout of the 9-pin D-sub connector.  
Table 2-1. Voltage Monitoring Connector Pinout  
D-sub Pin  
Signal  
Ground  
1
2
3
4
5
6
7
8
9
Receive data input  
Request to send, input  
Transmit data, output  
Clear to send, output  
Reserved  
Reserved  
Reserved  
Reserved  
6
7
8
9
1
2
3
4
5
Caution Use the rear-panel 9-pin D-sub connector to connect to an RS-232-capable  
device. Do not use the connector to supply power to external devices, or damage to the  
chassis may result.  
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Chapter 2  
Installation and Configuration  
Serial Communication Command Set  
Voltage, temperature, and fan speed statuses may be read using the  
following defined command set. Any monitored parameter having a trip  
point to indicate a fail status will also generate an autonomous status  
message to indicate the fault condition.  
Terminal Settings  
The communication terminal must be set to the following settings.  
Parameter  
Value  
Baud rate  
Data bits  
Parity  
9600  
8
None  
1
Stop bits  
Flow control  
None  
RS-232 Command Syntax  
The following tables contain each available command in the set, along with  
proper syntax and brief descriptions of their effects. In each example, the  
Command column lists each command that can be sent through the RS-232  
terminal to the monitoring system, the Response column lists the syntax of  
the return value from the monitoring system, and X represents the returned  
value itself (in single-digit integer, multiple digit integer, and decimalized  
values).  
Notes The commands are case sensitive.  
The order of the <CR><LF> commands is the ideal order, and may not be implemented as  
such in older versions of the SMM code.  
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Installation and Configuration  
Temperature Measurement Commands  
Note Units are in degrees Celsius.  
Command  
TA  
Response  
TA:<CR><LF>  
Description  
Transmit all temperatures  
T1: +XX<CR><LF>  
T2: +XX<CR><LF>  
T3: +XX<CR><LF>  
T1: +XX<CR><LF>  
T2: +XX<CR><LF>  
T3: +XX<CR><LF>  
ST:T1: x <CR><LF>  
ST:T2: x <CR><LF>  
ST:T3: x <CR><LF>  
T1  
T2  
T3  
ST  
Transmit temperature sensor #1 value  
Transmit temperature sensor #2 value  
Transmit temperature sensor #3 value  
Temperature sensor #1, x = OK or FAIL  
Temperature sensor #2, x = OK or FAIL  
Temperature sensor #3, x = OK or FAIL  
Fan Speed Measurement Commands  
Command  
Response  
FA:<CR><LF>  
Description  
FA  
Transmit all fan speeds  
F1: XXXX RPM<CR><LF>  
F2: XXXX RPM<CR><LF>  
F3: XXXX RPM<CR><LF>  
F4: XXXX RPM<CR><LF>  
F1: XXXX RPM<CR><LF>  
F2: XXXX RPM<CR><LF>  
F3: XXXX RPM<CR><LF>  
F4: XXXX RPM<CR><LF>  
F1  
F2  
F3  
F4  
Transmit fan speed #1 value  
Transmit fan speed #2 value  
Transmit fan speed #3 value  
Transmit fan speed #4 value  
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Installation and Configuration  
Command  
SF  
Response  
Description  
Fan #1, x = OK or FAIL  
SF:F1: x<CR><LF>  
SF:F2: x<CR><LF>  
SF:F3: x<CR><LF>  
SF:F4: x<CR><LF>  
Fan #2, x = OK or FAIL  
Fan #3, x = OK or FAIL  
Fan #4, x = OK or FAIL  
Voltage Measurement Commands  
Note Units are in VDC  
.
Command  
Response  
VA: <CR><LF>  
Description  
VA  
Transmit all voltages as listed below:  
Voltage of the +3.3VDC Power supply  
Voltage of the +5VDC Power supply  
Voltage of the +12VDC Power supply  
Voltage of the –12VDC Power supply  
Voltage of the +5 VDC VSB Power Supply  
Voltage of the +3.3VDC Power supply  
Voltage of the +5VDC Power supply  
Voltage of the +12VDC Power supply  
Voltage of the –12VDC Power supply  
Voltage of the +5 VDC VSB Power Supply  
Power supply status, x = OK or FAIL  
+3.3VDC supply, x = OK or FAIL  
+5VDC supply, x = OK or FAIL  
V1: +X.XXX<CR><LF>  
V2: +X.XXX<CR><LF>  
V3: +XX.XX<CR><LF>  
V4: -XX.XX<CR><LF>  
V5: +X.XXX<CR><LF>  
V1: +X.XXX<CR><LF>  
V2: +X.XXX<CR><LF>  
V3: +XX.XX<CR><LF>  
V4: -XX.XX<CR><LF>  
V5: +X.XXX<CR><LF>  
SP:PS: x <CR><LF>  
SV:V1: x<CR><LF>  
SV:V2: x<CR><LF>  
SV:V3: x<CR><LF>  
SV:V4: x<CR><LF>  
SV:V5: x<CR><LF>  
V1  
V2  
V3  
V4  
V5  
SP  
SV  
+12VDC supply, x = OK or FAIL  
–12VCDC supply, x = OK or FAIL  
+5VDC VSB supply, x = OK or FAIL  
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Installation and Configuration  
Request for All Status  
Note Voltage units are in VDC, and temperature units are in degrees Celsius.  
Command  
SA  
Response  
Description  
Header information  
<CR><LF>MONITOR,  
209-2xxx-Cxx-00 Rx  
<CR><LF><CR><LF>  
SP:PS: x <CR><LF>  
ST:T1: x <CR><LF>  
ST:T2: x <CR><LF>  
ST:T3: x <CR><LF>  
SV:V1: x<CR><LF>  
SV:V2: x<CR><LF>  
SV:V3: x<CR><LF>  
SV:V4: x<CR><LF>  
SV:V5: x<CR><LF>  
SF:F1: x<CR><LF>  
SF:F2: x<CR><LF>  
SF:F3: x<CR><LF>  
SF:F4: x<CR><LF>  
Power supply status, x = OK or FAIL  
Temperature sensor #1, x = OK or FAIL  
Temperature sensor #2, x = OK or FAIL  
Temperature sensor #3, x = OK or FAIL  
+3.3VDC supply, x = OK or FAIL  
+5VDC supply, x = OK or FAIL  
+12VDC supply, x = OK or FAIL  
–12VCDC supply, x = OK or FAIL  
+5VDC VSB supply, x = OK or FAIL  
Fan #1, x = OK or FAIL  
Fan #2, x = OK or FAIL  
Fan #3, x = OK or FAIL  
Fan #4, x = OK or FAIL  
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Chapter 2  
Installation and Configuration  
Help Menu Requests  
Note This is not available on older SMM code versions.  
Command  
Response  
?
<CR><LF>Commands are 2 letters in length as follows:  
<CR><LF>VA - Report the 4 voltages defined as  
<CR><LF>  
<CR><LF>  
<CR><LF>  
<CR><LF>  
–V1 = +3.3 VDC  
–V2 = +5 VDC  
–V3 = +12 VDC  
–V4 = –12 VDC  
<CR><LF>FA - Report the 3 Fan speeds  
<CR><LF>SA - All status  
<CR><LF>TA - Report the 3 temperature sensors  
PXI System Configuration with MAX  
Configuration of the PXI system is handled through Measurement &  
Automation Explorer (MAX), included on the NI Driver CD-ROM  
packaged with your kit. MAX creates the pxisys.ini file which defines  
the layout and parameters of your PXI system. After installing the software  
on the NI Driver CD-ROM, the MAX icon will be present on the desktop.  
The configuration steps for single- or multiple-chassis systems are the  
same.  
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Installation and Configuration  
Figure 2-5. Multichassis Configuration in MAX  
Basic PXI System Configuration  
1. Launch MAX.  
2. In the Configuration tree, click on the Devices and Interfaces branch  
to expand it.  
3. If the PXI system controller has not yet been configured, it will be  
labeled “PXI System (Unidentified).” Right-click on this entry to  
display the popup menu, then select the appropriate controller model  
from the Identify As submenu.  
4. Click on the PXI System controller and the chassis (or multiple  
chassis, in a multi-chassis configuration) will be listed below it.  
Identify each chassis by right-clicking on its entry, then selecting the  
appropriate chassis model through the Identify As submenu. Further  
expanding the PXI System branch will show all of the devices in the  
system that can be recognized by NI-VISA. Once your controller and  
all of your chassis have been identified, the required pxisys.ini file  
will be complete.  
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Chapter 2  
Installation and Configuration  
5. Apply the chassis number labels (shown in Figure 2-6) included with  
your kit to each chassis in your PXI system, and write in the chassis  
number accordingly in the white space.  
Figure 2-6. Chassis Number Label  
Trigger Configuration in MAX  
Each chassis has one or more trigger buses, each with eight lines numbered  
0 through 7 that can be reserved and routed statically or dynamically. Static  
reservation “pre-allocates” a trigger line to prevent its configuration by a  
user program. Dynamic reservation/routing/deallocation is “on the fly”  
within a user program based upon National Instruments APIs such as  
NI-DAQmx. Static reservation of trigger lines can be implemented by the  
user in MAX through the Triggers tab. Reserved trigger lines will not be  
used by PXI modules dynamically configured by programs such as  
NI-DAQmx. This prevents the instruments from double-driving the trigger  
lines, possibly damaging devices in the chassis. In the default  
configuration, trigger lines on each bus are independent. For example,  
if trigger line 3 is asserted on trigger bus 0, by default it will not be  
automatically asserted on any other trigger bus.  
Complete the following steps to reserve these trigger lines in MAX.  
1. In the Configuration tree, click on the PXI chassis branch you want to  
configure.  
2. Then, in the right-hand pane, toward the bottom, click on the  
Triggers tab.  
3. Select which trigger lines you would like to statically reserve.  
4. Click the Apply button.  
PXI Trigger Bus Routing  
Some National Instruments chassis, such as the PXI-1045 and the  
PXI-1056, have the capability to route triggers from one bus to others  
within the same chassis using the Trigger Routing tab in MAX, as shown  
in Figure 2-5. This tab allows the routing of triggers from any single trigger  
bus to all of the other trigger buses in the chassis.  
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Note Selecting any non-disabled routing automatically reserves the line in all trigger  
buses being routed to. If you are using NI-DAQmx, it will reserve and route trigger lines  
for you, so you won’t have to route trigger lines manually.  
Complete the following steps to configure trigger routings in MAX.  
1. In the Configuration tree, select the chassis in which you want to route  
trigger lines.  
2. In the right-hand pane, select the Trigger Routing tab near the bottom.  
3. For each trigger line, select Route Right, Route Outward From  
Middle, or Route Left to route triggers on that line in the described  
direction, or select Disabled for the default behavior with no manual  
routing.  
4. Click the Apply button.  
Using System Configuration and Initialization Files  
The PXI specification allows many combinations of PXI chassis and  
system modules. To assist system integrators, the manufacturers of PXI  
chassis and system modules must document the capabilities of their  
products. The minimum documentation requirements are contained  
in .ini files, which consist of ASCII text. System integrators,  
configuration utilities, and device drivers can use these .ini files.  
The capability documentation for the PXI-1056 chassis is contained in the  
chassis.ini file on the software media that comes with the chassis. The  
information in this file is combined with information about the system  
controller to create a single system initialization file called pxisys.ini  
(PXI System Initialization). The system controller manufacturer either  
provides a pxisys.ini file for the particular chassis model that contains  
the system controller or provides a utility that can read an arbitrary  
chassis.ini file and generate the corresponding pxisys.ini file.  
System controllers from National Instruments use the Measurement &  
Automation Explorer (MAX) to generate the pxisys.ini file from the  
chassis.ini file.  
Device drivers and other utility software read the pxisys.ini file to  
obtain system information. Device drivers should have no need to directly  
read the chassis.ini file. For detailed information regarding  
initialization files, refer to the PXI specification at www.pxisa.org.  
© National Instruments Corporation  
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3
Maintenance  
This chapter describes basic maintenance procedures you can perform on  
the PXI-1056 chassis.  
Caution Disconnect the power cable prior to servicing the PXI-1056 chassis.  
Service Interval  
Clean the chassis fan filter at a maximum interval of six months.  
Depending on the amount of use and ambient dust levels in the operating  
environment, the filter may require more frequent cleaning.  
Clean dust from the chassis exterior (and interior) as needed, based on the  
operating environment. Periodic cleaning increases reliability.  
Preparation  
The information in this chapter is designed for use by qualified service  
personnel. Read the Read Me First: Safety and Radio-Frequency  
Interference document included with your kit before attempting any  
procedures in this chapter.  
Caution Many components within the chassis are susceptible to static discharge damage.  
Service the chassis only in a static-free environment. Observe standard handling  
precautions for static-sensitive devices while servicing the chassis. Always wear a  
grounded wrist strap, or equivalent, while servicing the chassis.  
Cleaning  
Caution Always disconnect the AC power cable before cleaning or servicing the chassis.  
Cleaning procedures consist of exterior and interior cleaning of the chassis  
and cleaning the fan filters. Refer to your module user documentation for  
information on cleaning individual CompactPCI or PXI modules.  
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Chapter 3  
Maintenance  
Interior Cleaning  
Use a dry, low-velocity stream of air to clean the interior of the chassis. Use  
a soft-bristle brush for cleaning around components.  
Exterior Cleaning  
Cautions Avoid getting moisture inside the chassis during exterior cleaning, especially  
through the top vents. Use just enough moisture to dampen the cloth.  
Do not wash the front- or rear-panel connectors or switches. Cover these components while  
cleaning the chassis.  
Do not use harsh chemical cleaning agents; they may damage the chassis. Avoid chemicals  
that contain benzene, toluene, xylene, acetone, or similar solvents.  
Clean the exterior surfaces of the chassis with a dry lint-free cloth or a  
soft-bristle brush. If any dirt remains, wipe with a cloth moistened in a mild  
soap solution. Remove any soap residue by wiping with a cloth moistened  
with clear water. Do not use abrasive compounds on any part of the chassis.  
A dirty fan filter can dramatically reduce the cooling performance of the  
PXI-1056 chassis. Clean the filter whenever they become visibly dirty. You  
can easily remove the chassis air filter from the rear of the chassis by  
removing the filter retainer. The filter cover and retainer are shown in  
Figure 1-2, Rear View of the PXI-1056 Chassis.  
Clean the fan filter by washing it in a mild soap solution and then  
vacuuming or blowing air through it. Rinse the filter with water and allow  
it to dry before reinstalling it on the chassis.  
If desired, you can replace the fan filter with part number 150139-C from  
Air Filtration Products, Inc., Tucson, AZ 85705.  
The same filter media can be purchased in sheets, and cut to the appropriate  
size.  
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Chapter 3  
Maintenance  
Resetting the AC Mains Circuit Breaker  
If the PXI-1056 is connected to an AC source and encounters an  
over-current condition, the circuit breaker on the rear panel will trip to  
prevent damage to the chassis. Complete the following steps to reset the  
circuit breaker.  
1. Set the front-panel power switch to the Off position.  
2. Disconnect the AC power cable.  
3. Depress the circuit breaker to reset it.  
4. Reconnect the AC power cable.  
5. Set the power switch to the On position.  
If the circuit breaker trips again, complete the following steps.  
1. Press the front-panel power switch to the Standby position.  
2. Disconnect the AC power cable.  
3. Remove all modules from the chassis.  
4. Complete the procedure described in the Connecting to Power Source  
section of Chapter 2, Installation and Configuration. If any of the  
monitoring LEDs are not a steady green, contact National Instruments.  
5. Verify that the PXI-1056 can meet the power requirements of your  
CompactPCI or PXI modules. Overloading the chassis can cause the  
breaker to trip. Refer to Appendix A, Specifications.  
6. The over-current condition that caused the circuit breaker to trip may  
be due to a faulty CompactPCI or PXI module. Refer to the  
documentation supplied with the modules for troubleshooting  
information.  
Replacing the Modular Power Supply  
This section describes how to remove, configure, and install the PXI-1056  
power-supply shuttle.  
Caution Disconnect the power cable prior to replacing the power supply shuttle.  
Before connecting the power-supply shuttle to a power source, read this  
section and the Read Me First: Safety and Radio-Frequency Interference  
document included with the kit.  
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Chapter 3  
Maintenance  
Removal  
The PXI-1056 power-supply shuttle is a replacement part for the PXI-1056  
chassis. Before attempting to replace the power-supply shuttle, verify that  
there is adequate clearance behind the chassis. Set the power switch on the  
front panel to the Off position. Disconnect the power cable and any other  
cables from the power-supply shuttle on the rear of the chassis. Identify the  
4 screws that attach the power-supply shuttle back cover to the chassis.  
Refer to Figure 1-2, Rear View of the PXI-1056 Chassis, for the screw  
locations. Using a number 1 Phillips screwdriver, remove the screws. Pull  
on the two rear handles of the power-supply shuttle cover to remove it.  
Unscrew the two thumbscrews on the bottom of the power supply shuttle  
and remove the shuttle from the rear of the chassis.  
Note The 4 power supply shuttle screws (4-40 × 1/4 in.) are not explicitly identified in  
Figure 1-2, Rear View of the PXI-1056 Chassis, but it can be used as a visual reference.  
There are four screws evenly spaced along the left and right edges.  
Installation  
Ensure that there is no visible damage to the new power-supply shuttle.  
Verify that the housing and connector on the new power-supply shuttle  
have no foreign material inside. Install the new power-supply shuttle into  
the opening on the rear of the chassis. Tighten the two thumbscrews with a  
flat-head screwdriver using 5 in. lbs of torque, install the back cover, and  
tighten the 4 screws with a Phillips screwdriver (maximum torque  
of 5 in. lbs).  
Configuration  
The fan-speed selector switch is on the rear panel of the power-supply  
shuttle. Refer to Figure 1-2, Rear View of the PXI-1056 Chassis, to locate  
the fan-speed selector. Select HIGH for maximum cooling performance  
(recommended) or AUTO for quieter operation. When set to AUTO,  
air-intake temperature determines the fan speed.  
Connecting Safety Ground  
Refer to the Connecting Safety Ground section of Chapter 2, Installation  
and Configuration.  
Refer to the Connecting to Power Source section of Chapter 2, Installation  
and Configuration.  
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A
Specifications  
Caution If the PXI-1056 chassis is used in a manner inconsistent with the instructions or  
specifications listed by National Instruments, the protective features of the chassis may be  
impaired.  
This appendix contains specifications for the PXI-1056 chassis.  
Electrical  
AC Input  
Input voltage range................................. 100–240 VAC  
Operating voltage range1........................ 90–264 VAC  
Input frequency ...................................... 50/60 Hz  
Operating frequency range1 ................... 47–63 Hz  
Input current rating................................. 10–5 A  
Over-current protection.......................... 12 A circuit breaker  
Line regulation  
3.3 V................................................ < 1%  
5 V................................................... < 1%  
12 V .............................................. < 1%  
Efficiency............................................... 70% minimum  
1
The operating range is guaranteed by design.  
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Appendix A  
Specifications  
Power disconnect....................................The AC power cable provides  
main power disconnect.  
Depressing the front-panel power  
switch controls the internal  
chassis power supply that  
provides DC power to the  
CompactPCI/PXI backplane.  
DC Output  
DC current capacity (IMP  
)
Voltage  
+3.3 V  
+5 V  
0–55 °C  
40 A  
59 A  
+12 V  
–12 V  
9 A  
4.5 A  
Load regulation  
Voltage  
+3.3 V  
Load Regulation  
<0.5%  
+12 V  
<0.5%  
+5 V  
<0.5%  
–12 V  
<0.5%  
Maximum ripple and noise (20 MHz bandwidth)  
Voltage  
+3.3 V  
+12 V  
+5 V  
Maximum Ripple and Noise  
50 mVpp  
120 mVpp  
50 mVpp  
120 mVpp  
–12 V  
Caution Be sure to limit DC output to 500 W above 50° C.  
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Specifications  
Over-current protection.......................... All outputs protected from short  
circuit and overload with  
automatic recovery when the  
short or overload is removed.  
Over-voltage protection1  
3.3 V, 5 V, +12 V, –12 V................ 130% above nominal output  
voltage  
Power-supply shuttle MTTR.................. Replacement in under 5 minutes  
Chassis Cooling  
Per slot cooling capacity ........................ Slot cooling capacity is 25 W  
with fan speed set to HIGH  
Slot airflow direction ............................. P1 to P2, bottom of module  
to top of module  
Module cooling  
System............................................. Forced air circulation (positive  
pressurization) through one  
220 cfm fan with HIGH/AUTO  
speed selector  
Intake .............................................. Right rear of chassis  
Exhaust............................................ Along left side of chassis  
Power supply cooling  
System............................................. Forced air circulation through  
integrated fan  
Intake .............................................. Right rear of chassis  
Exhaust............................................ Along left side of chassis  
1
To reset over-voltage protection, remove the mains for 30 seconds and then power back up.  
© National Instruments Corporation  
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Appendix A  
Specifications  
Safety  
The PXI-1056 was designed to meet the requirements of the following  
standards of safety for electrical equipment for measurement, control, and  
laboratory use:  
EN 61010-1, IEC 61010-1  
UL 61010-1  
CAN/CSA-C22.2 No. 61010-1  
Note For UL and other safety certifications, refer to the product label, or visit  
ni.com/certification, search by model number or product line, and click the  
appropriate link in the Certification column.  
Electromagnetic Compatibility  
EMC........................................................CE, C-Tick, and FCC Part 15  
(Class A) compliant  
Emissions................................................EN 55011 Class A @ 10 m  
FCC Part 15A above 1 GHz  
Immunity ................................................Evaluated to EN 61326:1997 +  
A2:2001, Table 1  
Note For EMC compliance, operate this device with shielded cabling.  
CE Compliance  
This product meets 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/certification, search by model number or product line, and click the  
appropriate link in the Certification column.  
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Appendix A  
Specifications  
Environmental  
Operating temperature............................ 0 to 55 °C  
Storage temperature ............................... –40 to 71 °C  
Relative humidity  
Operating ........................................ 10 to 90% non condensing  
Nonoperational (storage) ................ 5 to 95% non conducting  
Shock  
Operational1,2 .................................. 30 g peak, half sine, 11 ms pulse  
Nonoperational1,2 ............................ 30 g, half sine, 11 ms pulse  
Operating location.................................. Indoor use  
Random vibration  
Operational1,3 .................................. 5 to 500 Hz, 0.31 gRMS  
Nonoperational1,3 ............................ 5 to 500 Hz, 2.46 gRMS  
Altitude................................................... 2,000 m  
Measurement Category .......................... II  
Pollution Degree .................................... 2  
1
Ambient temperature 25 °C.  
2
Tested in accordance with IEC-60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.  
3
Tested in accordance with IEC-60068-2-64. Nonoperating test profile developed in accordance with MIL-PRF-28800F and  
MIL-STD-810E Method 514.  
© National Instruments Corporation  
A-5  
NI PXI-1056 User Manual  
 
 
Appendix A  
Specifications  
Backplane  
Size .........................................................3U/6U-sized; one 3U system slot  
(with three system expansion  
slots) and 17 3U peripheral slots,  
or any combination up to  
7 6U cards and 3U cards.  
Compliant with IEEE 1101.10  
mechanical packaging.  
PXI Hardware Specification,  
Revision 2.2 compliant.  
Accepts both PXI and  
CompactPCI (PICMG 2.0 R 3.0)  
3U and 6U modules.  
V(I/O)1 ....................................................+5 V  
Backplane bare-board material...............UL 94 V-0 Recognized  
Backplane connectors.............................Conforms to IEC 917 and  
IEC 1076-4-101, and are  
UL 94 V-0 rated  
10 MHz System Reference Clock (10 MHz REF)  
Maximum clock skew  
between slots...........................................250 ps  
Built-in 10 MHz clock  
Accuracy.......................................... 25 ppm (guaranteed over the  
range  
External clock sources  
Connectors.......................................Slot 2 J2 (pin D17; refer to  
Table B-4, P2 (J2) Connector  
Pinout for the Star Trigger Slot)  
Input frequency................................10 MHz 100 ppm or better  
Input amplitude  
Slot 2 ........................................5 V or 3.3 V, 10 MHz TTL signal  
1
V(I/O) is connected to the +5 V DC power plane, so the same specs apply to V(I/O) and +5 V.  
NI PXI-1056 User Manual  
A-6  
ni.com  
 
 
Appendix A  
Specifications  
Maximum jitter introduced  
by backplane circuitry..................... 1 ps RMS in 10 Hz to 1 MHz  
range  
Mechanical  
Overall dimensions (standard chassis)  
Height.............................................. 177.8 mm (7.0 in.)  
Note 14.5 mm (0.57 in.) is added to height when feet are installed.  
Width .............................................. 431.8 mm (17.0 in.)  
Depth............................................... 457.2 mm (18.0 in.)  
Weight............................................. 11 kg (24.3 lbs)  
Chassis materials.................................... Sheet Aluminum (5052-H32,  
3003-H14, and 6061-T6),  
Extruded Aluminum (6060-T6),  
Cold Rolled Steel, PC-ABS,  
Santoprene, Nylon  
Finish...................................................... Conductive Clear Iridite  
on Aluminum  
Clear Chromate Zinc Plating  
on Cold Rolled Steel  
Polyurethane Enamel  
Figures A-1 and A-2 show the PXI-1056 dimensions. The holes shown are  
for the installation of the optional rack-mount kits as shown in Figure A-3.  
Notice that the front and rear rack mounting holes (size M4) are  
symmetrical.  
© National Instruments Corporation  
A-7  
NI PXI-1056 User Manual  
 
 
Appendix A  
Specifications  
.98 (24.9)  
17.00 (431.8)  
6.98  
(177.4)  
.57  
(14.5)  
2.29 (58.2)  
18.00 (457.2)  
1.68 (42.7)  
Figure A-1. PXI-1056 Dimensions (Front and Side) in Inches (mm)  
NI PXI-1056 User Manual  
A-8  
ni.com  
 
   
Appendix A  
Specifications  
.74 (18.8)  
.85 (21.6)  
16.06 (407.9)  
15.28  
(388.1)  
Figure A-2. PXI-1056 Dimensions (Bottom) in Inches (mm)  
© National Instruments Corporation  
A-9  
NI PXI-1056 User Manual  
 
   
Appendix A  
Specifications  
Figure A-3 shows the PXI-1056 rack-mount kit components.  
2
1
2
1
PXI-1056 Chassis  
2
Rack Mount Brackets  
Figure A-3. PXI-1056 Rack Mount Components  
NI PXI-1056 User Manual  
A-10  
ni.com  
 
     
B
Pinouts  
This appendix describes the P1 and P2 connector pinouts for the PXI-1056  
backplane.  
Table B-1 shows the P1 (J1) connector pinout for the System  
Controller slot.  
Table B-2 shows the P2 (J2) connector pinout for the System  
Controller slot.  
Table B-3 shows the P1 (J1) connector pinout for the star trigger slot.  
Table B-4 shows the P2 (J2) connector pinout for the star trigger slot.  
Table B-5 shows the P1 (J1) connector pinout for the peripheral slots.  
Table B-6 shows the P2 (J2) connector pinout for the peripheral slots.  
Note PXI signals are shown in bold.  
For more detailed information, refer to the PXI Hardware Specification,  
Revision 2.1. Contact the PXI Systems Alliance for a copy of the  
specification or visit www.pxisa.org.  
© National Instruments Corporation  
B-1  
NI PXI-1056 User Manual  
 
       
Appendix B  
Pinouts  
Table B-1. P1 (J1) Connector Pinout for the System Controller Slot  
Pin  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
12–14  
11  
10  
9
Z
A
B
REQ64#  
5V  
C
ENUM#  
V(I/O)  
AD[3]  
3.3V  
D
E
F
GND  
5V  
3.3V  
5V  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[1]  
3.3V  
AD[0]  
5V  
ACK64#  
AD[2]  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[4]  
GND  
AD[7]  
3.3V  
AD[6]  
M66EN  
AD[11]  
GND  
AD[5]  
AD[9]  
GND  
AD[8]  
V(I/O)  
AD[14]  
3.3V  
C/BE[0]#  
AD[10]  
AD[13]  
C/BE[1]#  
PERR#  
LOCK#  
TRDY#  
AD[12]  
3.3V  
AD[15]  
GND  
SERR#  
3.3V  
PAR  
IPMB_SCL  
GND  
IPMB_SDA  
V(I/O)  
IRDY#  
Key Area  
AD[16]  
3.3V  
GND  
DEVSEL#  
3.3V  
STOP#  
GND  
FRAME#  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[18]  
AD[21]  
C/BE[3]#  
AD[26]  
AD[30]  
REQ0#  
BRSVP1A5  
IPMB_PWR  
INTA#  
AD[17]  
GND  
GND  
AD[20]  
GND  
AD[25]  
GND  
CLK0  
GND  
INTP  
5V  
C/BE[2]#  
AD[19]  
AD[22]  
AD[24]  
AD[27]  
AD[31]  
GNT0#  
INTS  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[23]  
V(I/O)  
AD[28]  
3.3V  
8
GND  
7
AD[29]  
GND  
6
5
BRSVP1B5  
HEALTHY#  
INTB#  
5V  
RST#  
4
V(I/O)  
INTC#  
TMS  
3
INTD#  
TDI  
2
TCK  
TDO  
1
5V  
–12V  
TRST#  
+12V  
5V  
NI PXI-1056 User Manual  
B-2  
 
ni.com  
   
Appendix B  
Pinouts  
Table B-2. P2 (J2) Connector Pinout for the System Controller Slot  
Pin  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
Z
A
B
C
D
E
F
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GA4  
GA3  
GND  
GND  
GND  
GA2  
RSV  
RSV  
GA1  
RSV  
GND  
GA0  
GND  
GND  
GND  
CLK6  
CLK5  
GND  
RSV  
RSV  
SMB_SDA  
PXI_TRIG5  
PRST#  
DEG#  
SMB_SCL  
GND  
SMB_ALERT# GND  
PXI_TRIG3  
PXI_TRIG2  
PXI_TRIG1  
PXI_BRSVA15  
BP(I/O)  
PXI_TRIG4  
GND  
PXI_TRIG6  
GNT6#  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
REQ6#  
GND  
PXI_TRIG0  
GND  
PXI_TRIG7  
GNT5#  
FAL#  
REQ5#  
GND  
BP(I/O)  
GND  
BP(I/O)  
V(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
BP(I/O)  
GNT4#  
BP(I/O)  
BP(I/O)  
GND  
BP(I/O)  
BP(I/O)  
GND  
BP(I/O)  
V(I/O)  
BP(I/O)  
BP(I/O)  
GND  
BP(I/O)  
BP(I/O)  
GND  
BP(I/O)  
V(I/O)  
BP(I/O)  
BP(I/O)  
GND  
8
BP(I/O)  
BP(I/O)  
GND  
BP(I/O)  
V(I/O)  
7
BP(I/O)  
BP(I/O)  
GND  
6
BP(I/O)  
BP(I/O)  
64EN#  
PXI_BRSVB4  
GND  
BP(I/O)  
V(I/O)  
5
BP(I/O)  
BP(I/O)  
GND  
4
V(I/O)  
BP(I/O)  
GNT3#  
SYSEN#  
REQ1#  
3
CLK4  
REQ4#  
GNT2#  
GNT1#  
2
CLK2  
CLK3  
REQ3#  
1
CLK1  
GND  
REQ2#  
© National Instruments Corporation  
B-3  
NI PXI-1056 User Manual  
 
   
Appendix B  
Pinouts  
Table B-3. P1 (J1) Connector Pinout for the Star Trigger Slot  
Pin  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
12–14  
11  
10  
9
Z
A
B
REQ64#  
5V  
C
ENUM#  
V(I/O)  
AD[3]  
3.3V  
D
E
F
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
5V  
3.3V  
AD[0]  
5V  
5V  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[1]  
3.3V  
AD[7]  
3.3V  
ACK64#  
AD[2]  
AD[4]  
GND  
AD[6]  
AD[5]  
AD[9]  
GND  
AD[8]  
V(I/O)  
AD[14]  
3.3V  
M66EN  
AD[11]  
GND  
C/BE[0]#  
AD[10]  
AD[13]  
C/BE[1]#  
PERR#  
LOCK#  
TRDY#  
AD[12]  
3.3V  
AD[15]  
GND  
SERR#  
3.3V  
PAR  
IPMB_SCL  
GND  
IPMB_SDA  
V(I/O)  
IRDY#  
Key Area  
AD[16]  
3.3V  
GND  
DEVSEL#  
3.3V  
STOP#  
BD_SEL#  
FRAME#  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[18]  
AD[21]  
C/BE[3]#  
AD[26]  
AD[30]  
REQ#  
AD[17]  
GND  
GND  
AD[20]  
GND  
AD[25]  
GND  
CLK  
C/BE[2]#  
AD[19]  
AD[22]  
AD[24]  
AD[27]  
AD[31]  
GNT#  
INTS  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
IDSEL  
GND  
AD[23]  
V(I/O)  
AD[28]  
3.3V  
8
7
AD[29]  
GND  
6
5
BRSVP1A5  
IPMB_PWR  
INTA#  
BRSVP1B5  
HEALTHY#  
INTB#  
5V  
RST#  
GND  
INTP  
5V  
4
V(I/O)  
INTC#  
TMS  
3
INTD#  
TDI  
2
TCK  
TDO  
+12V  
1
5V  
–12V  
TRST#  
5V  
NI PXI-1056 User Manual  
B-4  
ni.com  
 
   
Appendix B  
Pinouts  
Table B-4. P2 (J2) Connector Pinout for the Star Trigger Slot  
Pin  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
Z
A
B
C
D
E
F
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GA4  
GA3  
RSV  
GA2  
GA1  
GA0  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
PXI_LBR0  
PXI_LBR4  
PXI_STAR2  
PXI_TRIG3  
PXI_TRIG2  
PXI_TRIG1  
PXI_LBR1  
PXI_STAR0  
PXI_STAR3  
PXI_TRIG5  
RSV  
PXI_LBR2  
GND  
PXI_LBR3  
PXI_STAR1  
PXI_STAR5  
PXI_TRIG6  
PXI_CLK10  
PXI_TRIG7  
PXI_LBR6  
RSV  
PXI_LBR5  
RSV  
PXI_STAR4  
GND  
PXI_TRIG4  
GND  
PXI_CLK10_IN  
GND  
PXI_TRIG0  
RSV  
PXI_BRSVA15 GND  
RSV  
PXI_STAR6  
GND  
RSV  
RSV  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
RSV  
RSV  
GND  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
RSV  
RSV  
GND  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
8
RSV  
RSV  
RSV  
GND  
RSV  
7
RSV  
GND  
V(I/O)  
RSV  
RSV  
6
RSV  
RSV  
RSV  
GND  
RSV  
5
RSV  
GND  
V(I/O)  
RSV  
RSV  
4
V(I/O)  
PXI_LBR7  
PXI_LBR11  
PXI_STAR9  
PXI_BRSVB4  
GND  
RSV  
GND  
RSV  
3
PXI_LBR8  
UNC  
PXI_LBR9  
PXI_STAR7  
PXI_STAR11  
PXI_LBR10  
PXI_STAR8  
PXI_STAR12  
2
PXI_LBR12  
GND  
1
PXI_STAR10  
© National Instruments Corporation  
B-5  
NI PXI-1056 User Manual  
 
     
Appendix B  
Pinouts  
Table B-5. P1 (J1) Connector Pinout for the Generic Peripheral Slot  
Pin  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
12–14  
11  
10  
9
Z
A
B
REQ64#  
5V  
C
ENUM#  
V(I/O)  
AD[3]  
3.3V  
D
E
F
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
5V  
3.3V  
AD[0]  
5V  
5V  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[1]  
3.3V  
AD[7]  
3.3V  
ACK64#  
AD[2]  
AD[4]  
GND  
AD[6]  
AD[5]  
AD[9]  
GND  
AD[8]  
V(I/O)  
AD[14]  
3.3V  
M66EN  
AD[11]  
GND  
C/BE[0]#  
AD[10]  
AD[13]  
C/BE[1]#  
PERR#  
LOCK#  
TRDY#  
AD[12]  
3.3V  
AD[15]  
GND  
SERR#  
3.3V  
PAR  
IPMB_SCL  
GND  
IPMB_SDA  
V(I/O)  
IRDY#  
Key Area  
AD[16]  
3.3V  
GND  
DEVSEL#  
3.3V  
STOP#  
BD_SEL#  
FRAME#  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
AD[18]  
AD[21]  
C/BE[3]#  
AD[26]  
AD[30]  
REQ#  
AD[17]  
GND  
GND  
AD[20]  
GND  
AD[25]  
GND  
CLK  
C/BE[2]#  
AD[19]  
AD[22]  
AD[24]  
AD[27]  
AD[31]  
GNT#  
INTS  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
IDSEL  
GND  
AD[23]  
V(I/O)  
AD[28]  
3.3V  
8
7
AD[29]  
GND  
6
5
BRSVP1A5  
IPMB_PWR  
INTA#  
BRSVP1B5  
HEALTHY#  
INTB#  
5V  
RST#  
GND  
INTP  
5V  
4
V(I/O)  
INTC#  
TMS  
3
INTD#  
TDI  
2
TCK  
TDO  
+12V  
1
5V  
–12V  
TRST#  
5V  
NI PXI-1056 User Manual  
B-6  
ni.com  
 
   
Appendix B  
Pinouts  
Table B-6. P2 (J2) Connector Pinout for the Generic Peripheral Slot  
Pin  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
Z
A
B
C
D
E
F
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GA4  
GA3  
RSV  
GA2  
GA1  
GA0  
GND  
PXI_LBR0  
PXI_LBR4  
PXI_LBL2  
PXI_TRIG3  
PXI_TRIG2  
PXI_TRIG1  
PXI_BRSVA15  
RSV  
PXI_LBR1  
PXI_LBL0  
PXI_LBL3  
PXI_TRIG5  
RSV  
PXI_LBR2  
GND  
PXI_LBR3  
PXI_LBL1  
PXI_LBL5  
PXI_TRIG6  
PXI_CLK10  
PXI_TRIG7  
PXI_LBR6  
RSV  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
GND  
PXI_LBR5  
RSV  
PXI_LBL4  
GND  
PXI_TRIG4  
GND  
PXI_STAR  
GND  
PXI_TRIG0  
GND  
RSV  
RSV  
PXI_LBL6  
GND  
RSV  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
RSV  
RSV  
GND  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
RSV  
RSV  
GND  
RSV  
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
8
RSV  
RSV  
GND  
RSV  
7
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
6
RSV  
RSV  
GND  
RSV  
5
RSV  
GND  
V(I/O)  
RSV  
RSV  
RSV  
4
V(I/O)  
64EN#  
GND  
GND  
RSV  
3
PXI_LBR7  
PXI_LBR11  
PXI_LBL9  
PXI_LBR8  
UNC  
PXI_LBR9  
PXI_LBL7  
PXI_LBL11  
PXI_LBR10  
PXI_LBL8  
PXI_LBL12  
2
PXI_LBR12  
GND  
1
PXI_LBL10  
© National Instruments Corporation  
B-7  
NI PXI-1056 User Manual  
 
   
C
Technical Support and  
Professional Services  
Visit the following sections of the National Instruments Web site at  
ni.com for technical support and professional services:  
Support—Online technical support resources at ni.com/support  
include the following:  
Self-Help Resources—For answers and solutions, visit the  
award-winning National Instruments Web site for software drivers  
and updates, a searchable KnowledgeBase, product manuals,  
step-by-step troubleshooting wizards, thousands of example  
programs, tutorials, application notes, instrument drivers, and  
so on.  
Free Technical Support—All registered users receive free Basic  
Service, which includes access to hundreds of Application  
Engineers worldwide in the NI Developer Exchange at  
ni.com/exchange. National Instruments Application Engineers  
make sure every question receives an answer.  
For information about other technical support options in your  
area, visit ni.com/services or contact your local office at  
ni.com/contact.  
Training and Certification—Visit ni.com/training for  
self-paced training, eLearning virtual classrooms, interactive CDs,  
and Certification program information. You also can register for  
instructor-led, hands-on courses at locations around the world.  
System Integration—If you have time constraints, limited in-house  
technical resources, or other project challenges, National Instruments  
Alliance Partner members can help. To learn more, call your local  
NI office or visit ni.com/alliance.  
Declaration of Conformity (DoC)—A DoC is our claim of  
compliance with the Council of the European Communities using  
the manufacturer’s declaration of conformity. This system affords  
the user protection for electronic compatibility (EMC) and product  
safety. You can obtain the DoC for your product by visiting  
ni.com/certification.  
© National Instruments Corporation  
C-1  
NI PXI-1056 User Manual  
 
                     
Appendix C  
Technical Support and Professional Services  
Calibration Certificate—If your product supports calibration,  
you can obtain the calibration certificate for your product at  
ni.com/calibration.  
If you searched ni.com and could not find the answers you need, contact  
your local office or NI corporate headquarters. Phone numbers for our  
worldwide offices are listed at the front of this manual. You also can visit  
the Worldwide Offices section of ni.com/niglobal to access the branch  
office Web sites, which provide up-to-date contact information, support  
phone numbers, email addresses, and current events.  
NI PXI-1056 User Manual  
C-2  
ni.com  
 
 
Glossary  
Symbol  
Prefix  
pico  
Value  
10–12  
10–9  
10– 6  
10–3  
103  
p
n
nano  
micro  
milli  
kilo  
µ
m
k
M
G
T
mega  
giga  
106  
109  
tera  
1012  
Symbols  
°
Degrees.  
Equal or greater than.  
Equal or less than.  
Percent.  
%
Ohms.  
A
A
Amperes.  
AC  
Alternating current.  
ANSI  
AUTO  
AWG  
American National Standards Institute.  
Automatic fan speed control.  
American Wire Gauge.  
© National Instruments Corporation  
G-1  
NI PXI-1056 User Manual  
 
 
Glossary  
B
backplane  
An assembly, typically a printed circuit board, with connectors and signal  
paths that bus the connector pins.  
BNC  
Bayonet Neill Concelman connector; a commonly used coaxial connector.  
C
C
Celsius.  
cfm  
Cubic feet per minute.  
Code of Federal Regulations.  
Centimeters.  
CFR  
cm  
CompactPCI  
An adaptation of the Peripheral Component Interconnect (PCI)  
Specification 2.1 or later for industrial and/or embedded applications  
requiring a more robust mechanical form factor than desktop PCI. It uses  
industry standard mechanical components and high-performance  
connector technologies to provide an optimized system intended for rugged  
applications. It is electrically compatible with the PCI Specification, which  
enables low-cost PCI components to be utilized in a mechanical form factor  
suited for rugged environments.  
CSA  
Canadian Standards Association.  
D
daisy-chain  
A method of propagating signals along a bus, in which the devices are  
prioritized on the basis of their position on the bus.  
DB-9  
DC  
A 9-pin D-sub connector.  
Direct current.  
DoC  
D-sub  
Declaration of Conformity.  
Subminiature D connector.  
NI PXI-1056 User Manual  
G-2  
ni.com  
 
Glossary  
E
efficiency  
Ratio of output power to input power, expressed as a percentage.  
Electronic Industries Association.  
EIA  
Embedded system  
controller  
A module configured for installation in slot 1 of a PXI chassis. This device  
is unique in the PXI system in that it performs the system controller  
functions, including clock sourcing and arbitration for data transfers across  
the backplane. Installing such a device into any other slot can damage the  
device, the PXI backplane, or both.  
EMC  
EMI  
Electromagnetic Compatibility.  
Electromagnetic Interference.  
F
FCC  
Federal Communications Commission.  
filler panel  
A blank module front panel used to fill empty slots in the chassis.  
G
g
(1) grams; (2) a measure of acceleration approximately equal to 9.8 m/s2.  
General Purpose Interface Bus (IEEE 488).  
GPIB  
gRMS  
A measure of random vibration. The root mean square of acceleration  
levels in a random vibration test profile.  
H
hr  
Hours.  
Hz  
Hertz; cycles per second.  
© National Instruments Corporation  
G-3  
NI PXI-1056 User Manual  
 
Glossary  
I
IEC  
International Electrotechnical Commission; an organization that sets  
international electrical and electronics standards.  
IEEE  
IMP  
Institute of Electrical and Electronics Engineers.  
Mainframe peak current.  
Inches.  
in.  
inhibit  
To turn off.  
J
jitter  
A measure of the small, rapid variations in clock transition times from their  
nominal regular intervals. Units: seconds RMS.  
K
kg  
Kilograms.  
Kilometers.  
km  
L
lb  
Pounds.  
LED  
Light emitting diode.  
line regulation  
The maximum steady-state percentage that a DC voltage output will  
change as a result of a specified change in input AC voltage (step change  
from 90 to 132 VAC or 180 to 264 VAC).  
load regulation  
The maximum steady-state percentage that a DC voltage output will  
change as a result of a step change from no-load to full-load output current.  
NI PXI-1056 User Manual  
G-4  
ni.com  
 
Glossary  
M
m
Meters.  
MAX  
NI Measurement & Automation Explorer, the utility which allows you to  
configure and test your PXI system.  
MHz  
ms  
Megahertz. One million Hertz; one Hertz equals one cycle per second.  
Millisecond, one thousandth of a second (10–3).  
Mean time between failure.  
MTBF  
MTTR  
Mean time to repair.  
N
NEMA  
National Electrical Manufacturers Association.  
National Instruments.  
NI  
NI-DAQmx  
National Instruments driver which controls the operation of National  
Instruments data acquisition (DAQ) devices.  
NI-VISA  
National Instruments’ implementation of the VISA (Virtual Instrument  
System Architecture) I/O standard. NI-VISA provides support for the  
VISA API, and also provides VISAIC, a utility for instrument  
configuration and I/O function execution.  
ns  
Nanosecond, one billionth of a second (10–9).  
P
power-supply shuttle  
A removable module that contains the chassis power supply.  
Parts-per-million.  
ppm  
ps  
Picosecond, one trillionth of a second (10–12).  
© National Instruments Corporation  
G-5  
NI PXI-1056 User Manual  
 
Glossary  
PXI  
PCI eXtensions for Instrumentation. PXI is an implementation of  
CompactPCI with added electrical features that meet the high performance  
requirements of instrumentation applications by providing triggering, local  
buses, and system clock capabilities.  
PXI_CLK10  
10 MHz PXI system reference clock.  
R
RMS  
Root mean square.  
S
s
Seconds.  
skew  
Deviation in signal transmission times.  
slot blocker  
An assembly installed into an empty slot to improve the airflow in adjacent  
slots.  
ST  
Star trigger.  
standby  
The backplane is unpowered (off), but the chassis is still connected to  
AC power mains.  
star trigger slot  
This slot is located at slot 2 and has a dedicated trigger line between each  
peripheral slot. Use this slot for a module with ST functionality that can  
provide individual triggers to all other peripherals.  
system reference  
clock  
A 10 MHz clock, also called PXI_CLK10, that is distributed to all  
peripheral slots in the chassis, as well as a BNC connector on the rear of  
chassis labeled 10 MHz REF OUT. The system reference clock can be used  
for synchronization of multiple modules in a measurement or control  
system. The 10 MHz REF IN and OUT BNC connectors on the rear of the  
chassis can be used to synchronize multiple chassis to one reference clock.  
The PXI backplane specification defines implementation guidelines for  
PXI_CLK10.  
NI PXI-1056 User Manual  
G-6  
ni.com  
 
Glossary  
T
TTL  
Transistor-transistor logic.  
Underwriter’s Laboratories.  
U
UL  
V
V
Volts.  
VAC  
Vpp  
Volts alternating current, or Vrms  
Peak-to-peak voltage.  
.
W
W
Watts.  
© National Instruments Corporation  
G-7  
NI PXI-1056 User Manual  
 
Index  
A
filler panel installation, 2-3  
C
H
help  
cables, power (table), 1-2  
chassis initialization file, 2-17  
CompactPCI  
and operation  
connector pinouts. See pinouts  
conventions used in the manual, vii  
cooling  
installation, configuration, and operation  
configuration in MAX (figure), 2-15  
CompactPCI or PXI modules  
injector/ejector handle position  
D
Declaration of Conformity (NI resources), C-1  
diagnostic tools (NI resources), C-1  
dimensions (figure), A-8, A-9  
documentation  
remote voltage monitoring and inhibiting  
connector, 2-9  
site considerations, 2-2  
conventions used in manual, vii  
NI resources, C-1  
related documentation, viii  
instrument drivers (NI resources), C-1  
K
E
kit contents, 1-1  
electromagnetic compatibility, A-4  
EMC filler panel kit, 1-4  
KnowledgeBase, C-1  
examples (NI resources), C-1  
© National Instruments Corporation  
I-1  
NI PXI-1056 User Manual  
 
 
Index  
P2 (J2) connector  
peripheral slot (table), B-7  
L
local bus  
system controller slot (table), B-3  
M
maintenance of PXI-1056  
cleaning  
connector, 2-9  
replacing  
exterior cleaning, 3-2  
fan filter, 3-2  
interior cleaning, 3-2  
preparation, 3-1  
service interval, 3-1  
static discharge damage (caution), 3-1  
voltages at voltage monitoring connector  
programming examples (NI resources), C-1  
PXI controller, 2-5  
(figure), 2-7  
PXI_CLK10, 1-8  
N
P
P1 (J1) connector  
peripheral slot (table), B-6  
star trigger slot (table), B-4  
system controller slot (table), B-2  
P2 (J2) connector  
PXI_CLK10_IN pin, 1-8  
cooling air intake (figure), 2-3  
fan speed, setting, 2-3  
front view (figure), 1-3  
key features, 1-2  
peripheral slot (table), B-7  
star trigger slot (table), B-5  
system controller slot (table), B-3  
peripheral slots  
optional equipment, 1-4  
rack mount kits, 1-4  
rack mounting, 2-4  
P1 (J1) connector pinouts (table), B-6  
P2 (J2) connector pinouts (table), B-7  
pinouts, B-1  
rear view of chassis (figure), 1-4  
safety ground, connecting, 2-4  
PXI-1056 backplane  
D-sub connector (table), 2-9  
P1 (J1) connector  
peripheral slot (table), B-6  
star trigger slot (table), B-4  
interoperability with CompactPCI, 1-5  
local bus, 1-6  
overview, 1-5  
peripheral slots, 1-6  
specifications, A-6  
NI PXI-1056 User Manual  
I-2  
 
ni.com  
system reference clock, 1-8  
trigger bus, 1-8  
support  
technical, C-1  
system controller slot  
description, 1-5  
R
rack mount kit dimensions (figure), A-10  
related documentation, viii  
remote voltage monitoring and inhibiting  
connector  
technical support, C-1  
temperature measurement commands, 2-11  
training and certification (NI resources), C-1  
troubleshooting (NI resources), C-1  
fan speed measurement commands, 2-11  
help menu requests, 2-14  
request for all status, 2-13  
unpacking the PXI-1056, 1-1  
S
voltage monitoring connector. See D-sub  
connector  
safety and caution notices, 2-1  
safety specifications (table), A-4  
software (NI resources), C-1  
specifications  
chassis cooling, A-3  
dimensions (figure), A-8, A-9  
electrical  
Web resources, C-1  
AC input, A-1  
DC output, A-2  
electromagnetic compatibility, A-4  
environmental, A-5  
mechanical, A-7  
rack mount kit dimensions (figure), A-10  
safety, A-4  
star trigger (ST) slot  
P1 (J1) connector pinouts (table), B-4  
P2 (J2) connector pinouts (table), B-5  
© National Instruments Corporation  
I-3  
NI PXI-1056 User Manual  
 

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