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Discover the Power of PXI. Andrew Lyubenko FSE in Siberia. Instrumentation Timeline. Compact PCI. VXI. PXI. GPIB. 1965. 1987. 1995. 1997. What is PXI?. PXI = P CI e X tensions for I nstrumentation - PowerPoint PPT Presentation
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National Instruments Confidential
Discover the Power of PXI
Andrew LyubenkoFSE in Siberia
National Instruments Confidential 2
1965 1987 1995 1997
VXIGPIB Compac
t PCI
PXI
Instrumentation Timeline
National Instruments Confidential 3
What is PXI?• PXI = PCI eXtensions for Instrumentation• Open specification governed by the PXI Systems
Alliance (PXISA) and introduced in 1997• PC-based platform optimized for test,
measurement, and control• PCI electrical-bus with the rugged, modular,
Eurocard mechanical packaging of CompactPCI• Advanced timing and synchronization features
National Instruments Confidential 4
PXI Systems Alliance (PXISA)• Founded in 1998• PXISA Goals:
– Maintain the PXI specification– Ensure interoperability– Promote the PXI standard
• Currently 68+ Members Comprise PXISA• PXISA Website (www.pxisa.org)
– Specifications– Tutorials, Application Notes, and White Papers– Locate member companies and products
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Complete list at pxisa.org
Partial PXISA Member List
National Instruments Confidential 6
PXI SpecificationMechanical• High-performance connectors• Eurocard mechanical packaging• Forced-air cooling by chassis• Environmental testing• Electromagnetic testingElectrical• Industry-standard PC buses• System reference clocks• Star trigger buses• PXI trigger busSoftware• Microsoft Windows software frameworks • Software components that define HW configuration and capabilities• Virtual Instrument Software Architecture (VISA) implementation
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PXI Backplane•PCI/PCI Express bus•Synchronization
Peripheral Slots
Chassis
PXI Controller• Embedded PC, remote PC or remote laptop interface• Runs all standard software
PXI System Overview
National Instruments Confidential 8
Embedded PXI System Controllers
Windows-Based Embedded Controllers• High-performance• Integrated peripherals• Entire system in one chassis
Real-Time Embedded Controllers• Determinism and reliability with LabVIEW Real-Time • Select high-performance or low-cost/low-power• Headless operation
National Instruments Confidential 9
Remote PXI System ControllersPC Control of PXI• Use latest high-performance PCs
• PCI Express with MXI-Express• PCI with MXI-4
• High-speed, software transparent links• Up to 110 MB/s sustained throughput
• Build multi-chassis PXI systems• Copper and fiber-optic cabling options
Laptop Control of PXI• Use latest high-performance laptop computers
• ExpressCard with ExpressCard MXI• PCMCIA CardBus
• High-speed, software transparent links• Up to 110 MB/s sustained throughput
• PXI controllers for portable applications• Use with DC-powered chassis for mobile systems
National Instruments Confidential 10
PXI ChassisChassis Offering• 4, 6, 8, 14, and 18-slot• Portable, benchtop, and rack-mount• AC and DC options• PXI/SCXI combination chassis with integrated signal conditioning
National Instruments Confidential 11
Data Acquisition and Control
Multifunction I/O
Analog Input/Output
Digital I/O
Counter/Timer
FPGA/Reconfigurable I/O
Machine Vision
Motion Control
Signal Conditioning
Temperature
Strain/Pressure/Force/Load
Synchro/Resolver
LVDT/RVDT
Many More. . .
Modular Instrumentation
Digital Waveform Generator
Digital Waveform Analyzer
Digital Multimeter
LCR Meter
Oscilloscope/Digitizer
Source/Signal Generator
Switching
RF Signal Generator
RF Signal Analyzer
RF Power Meter
Frequency Counter
Programmable Power Supply
Many More. . .
Bus Interfaces
Ethernet, USB, FireWire
SATA, ATA/IDE, SCSI
GPIB
CAN, DeviceNet
Serial RS-232, RS-485
VXI/VME
Boundary Scan/JTAG
MIL-STD-1553, ARINC
PCMCIA/CardBus
PMC
Profibus
LIN
Many More. . .
Others
IRIG-B, GPS
Direct-to-Disk
Reflective Memory
DSP
Optical
Resistance Simulator
Fault Insertion
Prototyping/Breadboard
Graphics
Audio
Many More. . .
Wide Range of PXI Modules
National Instruments Confidential 12
What’s New in PXI?
PXI Express• Increases throughput with 2.0 GB/s per slot dedicated
bandwidth• Industry’s best synchronization and latency specification• Ensures compatibility with your existing software and all
1000+ PXI modules
National Instruments Confidential 13
Expanding Our PXI Portfolio
Good (PXI)• Low Cost• PCI based• General purpose data
acquisition, bus interfaces, motion control
• MXI-Express PXI-8184, PXI-8145, PXI-1036
Better (PXI) • High Performance &
Power• PCI based• General purpose
automated test, high channel count data acquisition
• Fiber-Optic MXI, PXI-8196, PXI-8196 RT, PXI-1045
Best (PXI Express)• High Performance,
Power, & Bandwidth• PCI Express based• High frequency or
resolution IF/RF, high speed digital interfaces, high speed imaging
• PXIe MXI-Express, PXIe-8103, PXIe-1062
Lowering Cost Improving Performance
National Instruments Confidential 14
Industry Bus Performance
Decreasing (Improving) Latency
Incr
easi
ng (I
mpr
ovin
g) B
andw
idth
1
10
100
1000
10000
0.1110100100010000Approximate Latency (usec)
Max
Ban
dw
idth
(M
byt
es/s
)
PCI (32/33)
PCI Express (x4)
HS-GPIB
Gigabit Enet
Fast EnetIEEE 1394a
USB 2.0
USB 1.1
Decreasing (Improving) Latency
Incr
easi
ng (I
mpr
ovin
g) B
andw
idth
GPIB (488.2)
VXI
National Instruments Confidential 15
Dedicated Bandwidth per Device
National Instruments Confidential 16
What’s New in PXI?
PXI Express• Increases throughput with 2.0 GB/s per slot dedicated
bandwidth• Industry’s best synchronization and latency specification• Ensures compatibility with your existing software and all
1000+ PXI modules
National Instruments Confidential 17
Increased BW Enables New Applications• PXI applications requiring PCI bandwidth
– General purpose automated test (DMMs, switching, baseband instruments, etc)
– General purpose data acquisition (AI, AO, DIO, etc)– Bus interfaces (CAN, 1553, ARINC, etc)– Motion control
• PXI applications requiring PCI Express bandwidth– High frequency, resolution IF / RF systems– High speed digital interfaces– High channel count data acquisition– High speed imaging
National Instruments Confidential 18
PXI Trigger Bus (8 TTL Triggers)
PXI E
xpre
ss
Sys
tem
Co
ntr
oll
er
Star Trigger
100 MHzDifferential CLK
Differential Star Triggers
PXI
PXI Express
SYNC Control
SYNC100
10 MHzCLK
PX
I E
xpre
ss S
yste
mT
imin
g S
lot
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
I P
erip
her
al
National Instruments Confidential 19
PXI Trigger Bus (8 TTL Triggers)
PXI E
xpre
ss
Sys
tem
Co
ntr
oll
er
Star Trigger
100 MHzDifferential CLK
Differential Star Triggers
PXI
PXI Express
SYNC Control
SYNC100
10 MHzCLK
PX
I E
xpre
ss S
yste
mT
imin
g S
lot
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
I Exp
ress
Hyb
rid
P
erip
her
al
PX
IP
erip
her
al
National Instruments Confidential 21
PXI and Hybrid Slots Ensure Compatibility
National Instruments Confidential 22
Key PXI Features• Eases system integration
– Current product offering >1000 PXI modules– Integrate with existing GPIB, Serial, VXI systems– Future expandability
• Modularity – “Buy only what you need”• PC-feel• Advanced Timing and Synchronization• Uses Standard Technology• User Defined Systems
Real Time Architectures on PXI
Non-Deterministic Deterministic
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HW-Timed I/O
Software Task 1
Clock
I/O ElementController
Data Bus
Non-Deterministic
Deterministic
DAC
FIFONon-RT OSWindows, Linux, etc.
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Clocked I/O
Software Task 1
Controller
Non-Deterministic
Deterministic
I/O Element
DAC
Non-RT OSWindows, Linux, etc.
PXI Timing Backplane
DAC ADC
PXI System
National Instruments Confidential 26
PXI System
RTOS
Software Task 1
Controller
Non-Deterministic
Deterministic
I/O Element
DAC
RTOSLVRT, RT Linux
PXI Timing Backplane
DAC ADC
National Instruments Confidential 27
Software Task 1
Non-RT OSWindows, Linux, etc.
On-Board Processing
Controller
Non-Deterministic
Deterministic
I/O Element
DAC
PXI Timing Backplane
ADC
FPGA
Task2
ADC
Smart I/O Element “RIO”
PXI System
National Instruments Confidential 28
PXI Products Serves Many Applications
Benchtop Rack-Mount Portable / Embedded•Manufacturing Test•Design Validation•Data Acquisition Systems•Hardware-in-the-Loop
•Manufacturing Test•Data Acquisition Systems•Machine Monitoring and Control
•In-Vehicle Systems•Design Validation•Rapid Control Prototyping
National Instruments Confidential 29
Additional Information:
www.pxisa.orgwww.ni.com/pxi